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Wayne G. Landis Expertise: Ecological risk analysis, Population biology, environmental toxicology Education: Ph. D. Zoology, Indiana University, Bloomington IN 1979

M. A. Biology, Indiana University, Bloomington IN 1978 B. A., cum laude with Honors in Biology, Wake Forest University, Winston-Salem, NC 1974

Experience:

Director and Professor, Institute of Environmental Toxicology, Huxley College of the Environment, Western Washington University, Bellingham, Washington (1 September 1989-present). Instituted a new research and educational program in environmental toxicology and risk assessment. Program areas currently include ecological risk assessment, environmental toxicology, and environmental management. Chair, Department of Environmental Sciences, Huxley College of the Environment. Western Washington University, Bellingham, Washington (June 2004-June 2008). Managed department of 14 faculty FTE, 60 graduate students and 150 majors. Duties included budgeting, staffing, curriculum, space management and the development of faculty. Research Biologist, Toxicologist, Environmental Toxicology Branch, Toxicology Division, Research Directorate, Chemical Research, Development and Engineering Center (CRDEC). Group leader, Ecological Toxicology Group (March 1982-September 1989). Planned, constructed and operated the aquatic toxicology laboratory and conducted basic and applied research. Duties included supervision of GS-9 through GS-12 scientists. Environmental and Health Scientist, Environmental and Health Studies, Group of the Franklin Research Center, Silver Spring, Maryland (September 1979-September 1981). I was responsible for studies in ecology, environmental health and genetic toxicology. Criteria Document Manager and Assistant Criteria Document Manager for National Institute for Occupational Safety and Health Criteria Documents.

Professional Society Memberships:

Society for Risk Analysis (SRA) American Association for the Advancement of Science (AAAS) Pacific Northwest Chapter SETAC (PNWSETAC) Society for Environmental Toxicology and Chemistry (SETAC) Sigma Xi

Awards and Honors: Hankins Scholarship, Wake Forest University 1972-1974 Dean's List Wake Forest University 1971-1974 NSF Undergraduate Research Project 1972 Nomination U. S. Army Research and Development Achievement Award 1983, 1984,

1985, 1987, 1988. U. S. Army Research and Development Achievement Award 1984 Outstanding ILIR Research Program 1983, 1984 Special Act Award, Oct. 1985 Exceptional Performance Award, Oct. 1986

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Meritorious Service Award, Committee E47, American Society for Testing and Materials, April 1995

Promotion to Professor, 1995 Elected to Board of Directors, SETAC North America 2000-2003 American Society for Testing and Materials International Committee on Publications

Service Award 2002. Best Paper Award, 2004 Society of Risk Analysis Annual Meeting, Palm Springs CA. Adjunct Professor, School of Natural Resources, University of Nebraska-Lincoln (2007-

2009) Fellow, Society for Risk Analysis 2007 Best Ecological Risk Assessment paper for 2007 Journal of Human and Ecological Risk

Assessment, Colnar and Landis (2007, see papers list). Elected Member: Puget Sound Partnership Science Panel. December 2010-2014,

reelected 2015-2019. Lifetime Achievement Award, Annual International Conference on Soils, Sediments,

Water, and Energy. October 2012 Fellow, Society for Environmental Toxicology and Chemistry, May 2016. Fellow, Salish Sea Studies Institute, Western Washington University, 2016.

Patents: Patent No. 4,965,202 Biodegradation of 1,4 Dibenz-oxazepine and related compounds

(1990). Patent No. 5,169,777 A column for the biodegradation of 1,4 Dibenz-oxazepine and

related compounds (1992). Principal Investigator and Institute Extramural Research Support: Title: Development of a Method for the Monitoring of Agroecosystem and Hazardous Waste Site Contamination Using Galliform Chicks (1990-92) Principal Investigator: W.G. Landis Sponsor: U.S. EPA-Corvallis Amount: $53,816 Title: Center for Environmental Quantitative Structure Activity Research (CEQSAR) - TOPKAT Program (1991-1993) Principal Investigator: W.G. Landis Sponsor: Health Designs, Inc. Amount: $50,000 Title: Habitat Analysis and Toxicological Evaluation of the Western Pond Turtle (1991) Principal Investigators: W.G. Landis, TA Storch Sponsor: Washington Department of Wildlife Amount: $10,000 Title: Development of Pattern Recognition Techniques for the Evaluation of Toxicant Impacts to Multispecies Systems (1991-1994) Principal Investigators: W.G. Landis, R.A. Matthews, G.B. Matthews Sponsor: U.S. Air Force Office of Scientific Research Amount: $337,000

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Title: SETAC 1991 Support (1991) Sponsor: Society of Environmental Toxicology & Chemistry Amount: $5,500 Title: Risk Assessment of Genetically Engineered Organisms (1992) Principal Investigator: W.G. Landis Sponsor: Beak Consultants Amount: $830 Title: Drayton Harbor Sediment Evaluation (1993) Principal Investigator: R.A. Matthews Sponsor: Department of Ecology Amount: $50,000 Title: Support of Washington State Toxics Program (1991-1993) Principal Investigator: W.G. Landis Sponsor: Washington State Department of Ecology Amount: $20,000 Title: Monitoring of Oil and Grease from Artificial Wetlands (1991-1993) Principal Investigator: W.G. Landis Sponsor: British Petroleum Oil Company Amount: $30,663 Title: Monitoring of Toxic Cleanups (1991-1993) Principal Investigator: W.G. Landis Sponsor: Washington State Department of Ecology Amount: $21,000 Title: Lake Whatcom Monitoring (‘92- ‘93) Principal Investigator: R.A. Matthews Sponsor: City of Bellingham, Public Works Dept. Amount: $59,748 Title: Cherry Point Vessel Traffic Risk Analysis (1994) Principal Investigator: W.G. Landis Sponsor: Lummi Indian Business Council Amount: $9,564 Title: Evaluation of Biomonitoring Data (1993) Principal Investigator: G.B. Matthews Sponsor: Amoco Amount: $30,000 Title: Literature Review and Protocol Development for Oil Spill Evaluation (1994) Principal Investigator: W. G. Landis Sponsor: Washington Department of Wildlife Amount: $40,000 Title: Risk Assessment Support (1994) Principal Investigator: W. G. Landis

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Sponsor: Sandia National Laboratory Amount: $5,000 Title: Cherry Point Vessel Traffic Risk Analysis (1994) Principal Investigator: W.G. Landis Sponsor: Lummi Indian Business Council Amount: $9,564 Title: Lake Whatcom Monitoring (‘93- ‘94) Principal Investigator: R.A. Matthews Sponsor: City of Bellingham, Public Works Dept. Amount: $66,565 Title: Multivariate Statistics Course (1994) Principal Investigator: R.A. Matthews Sponsor: NOAA Amount: $4,000 Title: NPDES Review for Brooks Manufacturing (1995) Principal Investigator: W.G. Landis, R.A. Matthews Sponsor: Brooks Manufacturing Amount: $16,000 Title: RADTRAN Risk Assessment (1994) Principal Investigators: W.G. Landis, R. Weiner Sponsor: Sandia National Laboratories Amount: $10,000 Title: Lake Whatcom Monitoring (‘94- ‘95) Principal Investigator: R.A. Matthews Sponsor: City of Bellingham, Public Works Dept. Amount: $79,858 Title: Data Analysis of the Impacts of the Exxon Valdez Spill (1994-1995) Principal Investigator: W.G. Landis Co-Principal Investigators: G.B. Matthews and R.A. Matthews Sponsor: NOAA Amount: $57,168 Title: Dimensionality Reduction for Visualization and Interpretation of Ecotoxicological Dynamics of Varying Physical and Temporal Scales (1994-1997) Principal Investigator: W. G. Landis Co-Principal Investigators: G.B. Matthews and R.A. Matthews Sponsor: U.S. Air Force Office of Scientific Research Amount: $485,416 Title: Novel Models for the Evaluation and Interpretation of Ecological Datasets Applied to the Ecological Risk Assessment of Biotechnological Products. (1994-1997) Principal Investigator: W.G. Landis Sponsor: USEPA Amount: $286,000

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Title: Port Valdez Environment Consultation & Testing (1995-1997) Principal Investigators: W.G. Landis, R.A. Matthews Sponsor: RCAC Amount: $172,000 Title: NPDES Permit Compliance Assessment (1995) Principal Investigators: W.G. Landis, R.A. Matthews Sponsor: Brooks Manufacturing Amount: $11,561 Title: Dynamics of Ecological Systems After Stressor Events (1995-1996) Principal Investigators: W.G. Landis Sponsor: Partners in Science Amount: $14,000 Title: Lake Whatcom Monitoring (‘95- ‘96) Principal Investigator: R.A. Matthews Sponsor: City of Bellingham, Public Works Dept. Amount: $82,000 Title: Training Course in Environmental Toxicology (1995-1996) Principal Investigators: W. G. Landis, M.-H. Yu. Sponsor: Region 10 USEPA Amount: $10,000 Title: British Columbia Risk Assessment Guidance (1996-1997) Principal Investigator: W. G. Landis Sponsor: BC Ministry of the Environment, Lands and Parks Amount: $65,000 Title: USEPA Ecological Risk Assessment Support (1996-1997) Principal Investigator: W. G. Landis Sponsor: Research Triangle Institute Amount: $25,000 Title: Kennecott Habitat and Toxics Study (1997-1998) Principal Investigator: W. G. Landis Sponsor: Kennecott Utah Mining Amount: $14,200 Title: WET data Evaluation (1998) Principal Investigator: W. G. Landis Sponsor: Amoco Amount: $18,000 Title: Short Course for the Tier-1 Ecological Risk Assessment for Contaminated Sites in British Columbia (August-November 1998) Principal Investigator: W. G. Landis Sponsor: BC Ministry of the Environment, Lands and Parks Amount: $27,666

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Title: Relative Risk Modeling of the Willamette River, OR and Codorus Creek, PA (1998-2001) Principal Investigator: L. Bodensteiner Sponsor: NCASI Amount: $210,000 Title: Toxicological Evaluation of Whatcom Creek (1999-2000) Principal Investigator: W. G. Landis Sponsor: City of Bellingham Amount: $48,000 Title: Risk Hypotheses for Cherry Point (2000-2001) Principal Investigator: W. G. Landis Sponsor: WA Department of Natural Resources Amount: $50,000 Title: Risk assessment guidance for mining sites in British Columbia (2001-Nov 2002) Principal Investigator: W. G. Landis

Sponsor: Ministry of the Environment, British Columbia subcontract from Goulder Associates.

Amount: $8,500 Title: Work Plan for Cherry Point Risk Assessment and the Formulation of Predictive

Environmental Management Tools (2002-2005) Principal Investigator: W. G. Landis Sponsor: BP Cherry Point and WA Department of Natural Resources Amount: $170,000 Title: Development of a conceptual model for non-indigenous species for the Mid-Atlantic States

(2002-2005) Principal Investigator: W. G. Landis Sponsor: USEPA-NCEA Amount: $129,007 Title: Regional scale ecological risk assessment of the Androscroggin River. 2004-2006. Principal Investigator: W. G. Landis Sponsor: National Council for Air and Stream Improvement Amount: $76,000. Title: Ecological risk assessment for the Lake Whatcom Watershed. 2005-2006. Principal Investigator: W. G. Landis Sponsor: City of Bellingham Amount: $49,000. Title: Risk Evaluation of Invasive Species Transport Across the United States-Canada Border in Washington State. 2006-2007. Principal Investigator: W. G. Landis Sponsor: Border Policy Research Institute-WWU Amount: $47,000. Title: Risk assessment review for Trail, BC (2001-2009)

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Principal Investigator: W. G. Landis Sponsor: Teckcominco Ltd. Amount: $283,000 Title: Risk Assessment for Whirling Disease to Salmonids in the Southwest (2008-2009) Principal Investigator W. G. Landis Sponsor: New Mexico State University/University of Montana Amount $67,000 Title: A Pilot Study for the Integration of Regional Scale Risk Assessment and GAP Analysis (2006-2009) Principal Investigator: W. G. Landis Sponsor: USGS GAP Program Amount: $69,000 Title: A Pilot Application of the relative Risk model to the Management of Landscape Change in the Interior Landscape Analysis System Project Area (2006-2010) Principal Investigator: W. G. Landis Sponsor: US Forest Service Amount: $107,000 Title: Whirling Disease and Bayesian networks Principal Investigator: W. G. Landis. Sponsor: USGS Cooperative unit, New Mexico State University Amount: $10,500 Title: Connecting Ecological and Human Health Risk Assessment-South River Risk Assessment Program (2009-2016) Principal Investigator W. G. Landis Sponsor: DuPont, Wilmington DE Amount $579,291 Title: Puyallup River Watershed Management and Restoration Initiative (2011-2012) Principal Investigator W. G. Landis Sponsor: Bullitt Foundation, Seattle Amount $50,000 Title: Estimating invasive species risk for the intermountain West (2012-2017) Principal Investigator: W. G. Landis Sponsor: US Forest Service Amount: $110,000 Title: Integrated Modeling Approaches to Support Systems-Based Ecological Risk Assessment (2015-2018)

Principal Investigators: Katherine von Stackelberg (Harvard), Elsie Sunderland (Harvard), Wayne Landis (WWU) , John Stark (WSU) Sponsor: USEPA Systems-Based Research for Evaluating Ecological Impacts of Manufactured Chemicals EPA-G2014-STAR-E1 Amount: $651,708 overall, 176,000 WWU.

Title: Training in the use of Bayesian networks for the evaluation of watersheds.

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Principal Investigator: W. G. Landis Sponsor: National Council for Air and Stream Improvement Amount: $20,000 Title: Climate Change Cause-Effect Model Principal Investigator: Wayne G. Landis Sponsor: Puget Sound Partnership Amount: $20,000

Extramural Committees, Reviews and Society Service:

Standard Methods Committee-Aquatic Toxicity Tests 1995-2003 Member and Section Chairman

National Oceanographic and Atmospheric Administration Peer Review Committee-Biotechnology Program Spring 1994

Department of Ecology-State of Washington Ecological Effects Subcommittee, Scientific Advisory Board September 1990-1995

United States Environmental Protection Agency Chairman, Section on Generic Microcosms for the workshop "Application of Microcosms to Risk Assessment Research" (January 23-27, 1989) Chairman, Task Group on Biomonitoring for the workshop "Fate and Effects of Pesticides in the Environment" (December 11-12, 1990) Peer Reviewer, U. S. EPA West Coast Ecological Risk Assessment Workgroup (December 1990-1992) Pesticides Monitoring Panel, Region 10 U. S. EPA (December 1990-present) Peer Reviewer, EPA EcoRisk Framework Document Peer Review Committee (March 1991-June 1991) Member, EPA Personnel Review Panel (June 1991) USEPA AREAL Peer Review Panel (March 1993) Member, EPA Workshop on the Ecological Risks of 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) (Sept 1993) Member, EPA Workshop on Ecological Risk Assessment of Watersheds (Sept 1994) Member, EPA Workshop on PCB TEFs (Jan 1998)

American Society for Testing and Materials and Committees E47, Environmental Toxicology and Fate.

Member, ASTM Committee on Publications 1997-2002 E47.01 Aquatic Toxicology Task Groups Co-chairman, Tenth Symposium on Aquatic Toxicology and Hazard Assessment Co-editor, Vol. 10 Aquatic Toxicology and Hazard Assessment 1986 Chairman, Thirteenth Symposium on Aquatic Toxicology and Risk Assessment Co-editor, Vol. 13 Aquatic Toxicology and Risk Assessment 1989 Organizational Chair, First Symposium in Environmental Toxicology and Risk

Assessment April 1991. Co-editor of Environmental Toxicology and Risk Assessment Vol. 1

Society for Environmental Toxicology and Chemistry and Pacific Northwest Chapter Society for Environmental Toxicology and Chemistry.

Editorial Board Environmental Toxicology and Chemistry - Hazard Assessment (1985-1990)

Organizational Chairman -1991 SETAC Annual Meeting, Nov. 1991 Seattle, WA Vice President - Pacific Northwest Chapter SETAC 1991

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President - Pacific Northwest Chapter SETAC 1992 Past President - Pacific Northwest Chapter SETAC 1993 SETAC Finance Committee - 1991 SETAC Annual Meetings Committee - 1992 SETAC Regional Chapters Committee - 1992 SETAC 96 and 97 Session Chair, Probabilistic Risk Assessment Program Chair-PNWSETAC 96 Annual Meeting, Corvallis, OR. SETAC Student Committee 1998 SETAC Short Course Committee 1998-2001 SETAC Nominations Committee 1999,2002 SETAC Membership Committee 1999-2002 SETAC 98 Session Chair, Whither environmental risk assessment SETAC 99 Session Chair, Spatially explicit risk assessment, Sustainability and

environmental risk assessment SETAC 2000 Session Chair, Landscape Toxicology Member SETAC Board of Directors 2000-2003 Chair, SETAC Technical Committee 2000-2002 SETAC 2002 Session Chair, Population level risk assessment SETAC 2003 Session Co-Chair Risk Assessment SETAC Europe 2006 Session Co-Chair Extrapolation in Ecological Risk Assessment Member, New Journal Task Force 2000-2002 Steering Committee Chair, Victoria BC Waste Treatment Evaluation July-August 2005 SETAC 2008 Session Co-chair Regional Scale Ecological Risk Assessment, 2008

SETAC World Congress, Sydney Australia. SETAC NA 2010 Annual Meeting, Portland OR November 2010. Member Steering

Committee and coordinator of Special Symposium and assisted in the organization of the Plenary Speakers.

SETAC NA 2011 Session co-chair. Regional scale ecological risk assessment. SETAC Europe and World Congress session co-chair. (1) Global climate change and

(2) Advanced Statistical Methods in Quantitative Ecotoxicology. SETAC NA 2014 Planning Committee. Plenary and Special Sessions committee. Founding Member Editorial Board, Integrated Environmental Assessment and

Management 2003-present Pellston Workshop Participation

Planning Committee - Workshop on Research Needs in Environmental Toxicology and Risk Assessment for 1987 Breckenridge, CO Pellston. SETAC/Conservation Foundation Microcosm Workshop, Virginia - October 1991 Sediment Risk Assessment Workshop, Asilomar, CA March 1995 Uncertainty Workshop, Pellston, MI, August 1995 Regional Risk Assessment Workshop, Pellston, MI September 1997 Revisiting of the Water Quality Criteria, Landsdown, Montana June 1998 Complex stressors, Pellston, MI, September 1999 Uncertainty in Pesticide Risk Assessment, Pensacola, FL March 2002 Steering Committee, Population Level Risk Assessment-Denmark August 2003 Steering Committee, Risk Assessment and the NRDA process, Held in Butte Montana August 18-22, 2008. Steering Committee, Influence of Global Climate Change (GCC) on the Scientific Foundations of Environmental Toxicology and Chemistry. August 2009-2013.

Science Advisory Boards-FACA Committees

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Science Advisory Board for Contaminated Sites in British Columbia Level 2 Screening Level Risk Assessment Workshop, Vancouver BC July 2004.

Department of Interior FACA Committee Evaluating the NRDA Process April 2005-June 2007

USEPA Science Advisory Board Ecological Processes and Effects Committee November 2005-2011

Expert Panel Canadian Department of Fisheries and Oceans for Horizontal Gene Transfer January 2006

USEPA Technology for Sustainability Review. October 2006-April 2007 Board of Scientific Councilors (BOSC) USEPA. Review of the USEPA Sustainability

Program. Jan 2007 Board of Scientific Councilors (BOSC) USEPA. Mid Program-Review of the USEPA

Sustainability Program. December 2008-May 2009. Ad Hoc USEPA Science Advisory Board committee- Improving EPA Scientific Assessment

Practices for Decision Making. May 2009-2012. 2010 Scientific and Technological Awards Science Advisory Board Committee, 2010-2011. Ad hoc committee member, USEPA Science Advisory Board Ecological Processes and

Effects Committee review of ecological risk assessment at EPA. 2012. 2012 Scientific and Technological Awards Science Advisory Board Committee 2012-2014 Puget Sound Partnership Science Panel. December 2010-December 2019. U. S. National Academy of Sciences U. S. National Academy of Science and Chinese Academy of Science Workshop on

Persistent Organic Pollutants, Beijing, China June 2004. Member NRC panel Gene Drives in Non-Human Organisms: Recommendations for

Responsible Conduct. June 2015-May 2016. Other Activities CCME Ecological Technical Advisory Committee for Soil Hydrocarbon Criteria 1998-2001 Science Advisory Committee for the Multiscale Experimental Ecosystem Research Center

1998-2001. Ongoing Activities Research Advisory Committee, Long-Term Receiving Water Study, and National Council for

Air and Stream Improvement 1998-present. Editorial Board Human and Ecological Risk Assessment 2001-2017 Editor Ecological Risk Assessment for Risk Analysis 2004-2014

Graduate Student Supervision: M. S. in Environmental Science Noellgen, Ruth - Characterization of the Aquatic Organophosphate Acid (OPA) Anhydrase in the Marine Mussel, Mytilus edulis, May 1991. Westra, Brian - Investigation and Characteristics of Organophosphate Acid Anhydrases in Chicken Liver and Kidney Tissue, August 1991. Hastings, Jennifer - Effects of Mercury on the Development and Behavior of Rat Pups, December 1991-defended September 1991. Farrow, Lori - Use of Nonforested Patches by Elk in a Western Washington Watershed, May 1992. Matz, Angela - Development of a Method for Monitoring Chemical Contamination Using Galliform Chicks, March 1992. Sandberg, Randy - Jet Fuel Toxicity with Sediments in Artificial Communities, December 1993.

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Keel, Lester - Anthopluera as a Monitor for the Environmental Impacts of Toxicants, March 1994. Cooke, Lennie Rae - Characterization and Management of Lake Serene, July 1994. Goulet, Joseph - Application of Monte Carlo Uncertainty Analysis to Ecological Risk Assessment, August 1995. Kelly, Sue A. - Effects of Multiple Stressors on a Multispecies System, July 1995. Rodgers, Sara - Comparison of Toxicant Response in Artificial and Natural Communities, Nov 1996. Mortensen, Linda - Phytochelatin Reaction to Multiple Toxicants. June 1997 Wilson, Valerie - Factors affecting the Apparent Toxicity of Jet Fuel to Earthworms. August 1997 Bliss, Barbara-The Effect of Nonylphenol, a suspected xenoestrogen, on fish development. June 1998. Macovsky, Louis-A Test of the Action at a Distance Hypothesis using insect metapopulations, March 1999 Luxon, Matt-Relative rank risk assessment applied to the Willamette and McKenzie Rivers, Oregon, March 2000 Anderson, Michael-Investigation of new detection methods for paralytic shellfish poisoning. August 2000 Obery, Angie-Relative risk assessment applied to the Codorus Creek Watershed, August 2000 Thomas, Jill-Comparison and confirmation of relative risk assessments for Codorus Creek, PA. August 2001 Chen, Joy-Relative risk assessment applied to the Squalicum Creek Watershed. March 2002 Hart Hayes, Emily-Cherry Point risk assessment using alternative endpoints December 2002 Colnar, Audrey-Regional risk assessment of the European green Crab, Carcinus maenas, in Cherry Point, Washington-2004 Kushima, Goro-Life Cycle Assessment for the waste treatment from smelter sites-June 2005 Amanda Pfingst –Ecological risk assessment of the Androscroggin River, Maine.-March 2006. Valerie C. Chen- Ecological risk assessment of the downstream sections of the Androscroggin River, Maine. -December 2006. Christina Maginnus-Screening level ecological risk assessment for Lake Whatcom, USA-December 2006 Suzanne Anderson-Risk Assessment for the INLAS area of Oregon-December 2007 Laurel Kaminski- Watershed Scale Assessment of Freshwater Salmonid Production in Western

Whatcom County-March 2008 Kim Kolb Ayre-Application of Bayesian statistics and networks to risk analysis-December 2009 Heather Summers-Risk Assessment at a Watershed Scale for the South River, VA-June 2012 Eleanor Hines- Risk assessment for the Puyallup Watershed-June 2013 Annie Johns-Application of Bayesian networks to evaluation management scenarios for the South River, VA-June 2014 Carlie Herring-Ecological risk assessment of non-indigenous species for the Padilla Bay National Estuary Reserve, WA.-August 2014 Meagan Harris-Integration of human health and ecological risk assessment for the South River-June 2015. Scarlet Graham-Use of Bayesian networks and genomics to build cause-effect networks. June 2016. Lara Gaasland-Tatro-Integration of climate change into the estimation of risk to the South River, VA. June 2016. Valerie Chu-Using AOPs to determine population level effects due to pesticide mixtures. On-going.

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Graduate Committees Klaver, Adrian-The Effect of Oxytetracycline on Nitrification in Water (Dr. Matthews-Huxley) Saban, Lisa -Analysis of Drayton Harbor Sediments Using Both Chemical Analysis and Various Bioassays (Dr. Matthews-Huxley) Irwin, Margaret-Factors Affecting the Maintenance of Immunoglobulin Polymorphisms (Dr. Stevenson-Anthropology) Vandersypen, Joan Pickens- Evaluation of the acid volatile sulfide approach for determining the toxicity of cadmium and copper in a freshwater sediment (Dr. Storch-Huxley) Post, Ruth -Degradation of leaf litter in deep water (Dr. Matthews-Huxley) Roze, Michael - Application of Computer Science to Environmental Assessment (Dr. Matthews-Computer Science) Martin, Karl Immunoglobulin polymorphisms and genetic distances among Anabaptist populations: Kansas and Nebraska Mennonites and Northern Indiana Amish (Dr. Stevenson-Anthropology) Wiegers, Janice - Distribution of Chromium, Copper, Lead and Zinc in the Sediments and Macrophytes of Claypit Pond (Dr. Matthews- Huxley) Zukowski, Annette - The Toxic Effects of Chlorine and Jet Fuel on the Fertilization and Development of the Echinoderm, Dendraster excentricus (Dr. Matthews- Huxley) Wild, Lorraine G. - Effect of Fluoride on Superoxide Dismutase (SOD) Activity in Germinating Mung Bean Seedlings (Dr. Yu-Huxley) McNair, Catherine M. - Dynamic Deep Chlorophyll Maxima and their Association with Environmental Gradients: A Multivariate Analysis (Dr. Matthews-Huxley) Whitney, Aileen- Immune system changes of the earthworm on toxicant addition (Dr. Yu, Huxley College). Klacan, Julie-Fish health and community structure in the Willamette and McKenzie Rivers (Dr. Bodensteiner, Huxley College). Zirbel, Marnie Jo Evidence for light-enhanced grazing and growth in two species of marine microzooplankton (Suzanne Strom, Shannon Point) Daniel Diedrich- An assessment of zinc toxicity on juvenile Salmo trutta (brown trout) of different chronological ages and sizes 2007. (Dr. Sofield Advisor). Catherine Bollinger - An assessment of the Biotic Ligand Model in the Columbia River, BC and WA. December 2008 (Dr. Sofield, Advisor). Jason Fortner-Phototoxicity of PAH contaminated groundwater 2009. (Dr. Sofield Advisor). Siana Wong-Nutrients, Algae and Water Quality. 2013.(Dr. Matthews Advisor) Chelsea Mitchell-Population modeling of Chinook Salmon in the Yakima River (Dr. John D. Stark, Washington State University) Marcos Krull- Interaction effects of fragmentation and mercury contamination on the movement behavior of the marsh periwinkle Littorina irrorata (Michael Newman advisor, Virginia Institute of Marine Science, College of William and Mary). Continuing Education and Professional Development Programs: Soil Toxicity Workshop - (Wayne G. Landis and Greg Linder) Soil toxicity testing and evaluation using the methods proposed by the State of Washington for examination of hazardous waste sites for environmental toxicity. (Summer 1993) Use of Nonmetric Clustering and Association Analysis and other Multivariate Analysis and Visualization Methods in Hazard and Risk Assessment - (G. B. Matthews, R. A. Matthews and W. G. Landis) Technology transfer of the methods developed here for the interpretation of ecological and eco-toxicological datasets and their relevance to hazard and risk assessment. (Society of Environmental Toxicology and Chemistry short course November 1993.

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Introduction to Environmental Toxicology and Risk Assessment- (with M-H. Yu). Professional Development Course for USEPA Region 10 and other state and Federal agencies in the Puget Sound area. November 1995-August 1996. Population and Community Ecology: Environmental Toxicology and Risk Assessment. Wayne G. Landis (Institute of Environmental Toxicology and Chemistry), Robin A. Matthews (Institute for Watershed Studies), and Lawrence A. Kapustka (Ecological Planning and Toxicology, Inc.) Society of Environmental Toxicology and Chemistry short course November 1996, 1997 and 1998 with John McLaughlin. Short Course for the Tier-1 Ecological Risk Assessment for Contaminated Sites in British Columbia. Presented the Tier-1 Risk Assessment Guidance for a mixed class of regulators, consultants and clients. The course reviewed the basics of ecological risk assessment, presented the framework and ended with an example worked by the students. The course was taught with Anne Fairbrother of ecological planning and toxicology, and Gary Mann and Valerie Wilson of EVS Consultants. October 1998. Regional Risk Assessment. Presented basic population and community ecology and methods for assessing risk at regional scales. This was a SETAC short course for 1999 with Bruce Duncan of USEPA Region 10. Introduction to Ecological Risk Assessment at the Regional/Landscape Scale. Introduction to the issues of doing environmental risk assessment at a regional scale presented for the Washington State Department of Natural Resources 2001. Landscape and Regional Ecological Risk Assessment. Wayne G. Landis and Jill Thomas. Short Course. This was a short course for the SETAC North America 24th 2003 Annual Meeting, November 9-11, Austin, TX. Ecological Risk Assessment for Skeptical Ecologists Making Decisions at Relevant Scales: Landscape and Regional Ecological Risk Assessment. Ecological Society of America Annual Meeting Portland, Oregon, Workshops (with Bruce Hope and Larry Kapustka). August 1, 2004. Introduction to the use of the Relative Risk Model for Environmental Management, Washington Department of Natural Resources, October 20-21 2004. Introduction to Regional Scale Ecological Risk Assessment. Northern California Chapter of the Society of Environmental Toxicology and Chemistry, May 9, 2007, Berkley CA. Introduction to Regional Scale Ecological Risk Assessment. Norwegian Institute for Water Research (NIVA). Oslo Norway. October 3, 2007 Introduction to Regional Scale Ecological Risk Assessment. Society for Risk Analysis annual meeting. San Antonio TX December 9, 2007. Regional Scale Ecological Risk Assessment with Bayesian Networks, with Meagan Harris and Lara Gaasland-Tatro. Annual Meeting of the Society for Risk Analysis, Arlington, VA. December 6, 2015.

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Introduction to Bayesian Networks for risk and impact assessment to support decision making, with Ullrika Sahlin, Lund University, Lund Sweden. March 28, 2017 Integrative Ecological and Human Well-being Risk Assessment. Pacific Northwest Chapter of the Society of Environmental Toxicology and Chemistry, Anchorage AK April 20, 2017 Academic Courses Taught: Population Biology; Aquatic Toxicology; Environmental Toxicology 2; Introduction to Environmental Risk Assessment; Introduction to Environmental Studies; Sustainability and Ecosystem Management; Darwin, Huxley and the Continuing Revolution, Darwin and the revolutionaries. Interaction between Science and Policy. Publications: Landis WG. Sofield RM, Yu M-H. 2018. Introduction to Environmental Toxicology: Molecular

Substructures to Ecological Landscapes: Fifth Edition. Taylor Francis/CRC Press. Boca Raton, FL.

Apitz, SE, Backhaus T, Chapman PM, Landis WG, Suter G. 2017. Reply to Callow: In Defense

of Science and Its Inclusion in Decision Making. Inter Environ Assess Manag 13:972-973 Apitz, SE, Backhaus T, Chapman PM, Landis WG, Suter G. 2017. Science, antiscience, and

environmental decision making: a call to action. Inter Environ Assess Manag 13: 557-559. Harris MJ, Stinson JM, Landis WG. 2017. A Bayesian approach to integrated ecological and

human health risk assessment for the South River, Virginia Mercury Contaminated Site. Risk Analysis. 37:1341-1357

Landis WG, Markiewicz AJ, Ayre KK, Johns AF, Harris MJ, Stinson JM, Summers HM. 2017. A

general risk-based adaptive management scheme incorporating the Bayesian network Relative Risk Model with the South River, Virginia, as case study. Integr Environ Assess Manag. 13:115-126

Johns, AF, Graham SE, Harris MJ, Markiewicz AJ, Stinson JM, Landis WG, 2017. Using the

Bayesian Network Relative Risk Model Risk Assessment Process to Evaluate Management Alternatives for the South River and Upper Shenandoah River, Virginia. Integr Environ Assess Manag. 13:100-114

Landis WG, Ayre KK, Johns AF, Summers HM, Stinson J, Harris MJ, Herring CE, Markiewicz

AJ. 2017. The Multiple Stressor Ecological Risk Assessment for the Mercury Contaminated South River and Upper Shenandoah River Using the Bayesian Network-Relative Risk Model. Integr Environ Assess Manag. 13:85-99

Kaebnick GE, Heitman L, Collins JP, Delborne JA, Landis WG, Sayer K, Taneyhill, LA,

Winickoff, DE. 2016. Precaution and governance of emerging technologies. Science 354:710-711.

Fox, D. R. and Landis, W. G. 2016, Don't be fooled—A no-observed-effect concentration is no

substitute for a poor concentration–response experiment. Environ Toxicol Chem. doi:10.1002/etc.3459

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Fox DR, Landis WG. 2016. Comments on ET&C Perspectives, November 2015. An holistic

view. Environ Toxicol Chem 35:1337-1339. Van den Brink P, Choung CB, Landis W, Pinto MM, Pettigrove V, Scanes P, Smith R, Stauber J.

2016. New approaches to the ecological risk assessment of multiple stressors. Marine and Freshwater Research. 67:393–413

Lane M and Landis WG. 2016. Chapter 10. An Evaluation of the Hydraulic Fracturing Literature

for the Determination of Cause– Effect Relationships and the Analysis of Environmental Risk and Sustainability. In Environmental and Health Issues in Unconventional Oil and Gas Development. http://dx.doi.org/10.1016/B978-0-12-804111-6.00010-8Copyright © 2016 Elsevier Inc.

Greenberg, M., Goldstein, B. D., Anderson, E., Dourson, M., Landis, W. and North, D. W. 2015.

Whither Risk Assessment: New Challenges and Opportunities a Third of a Century After the Red Book. Risk Analysis, 35: 1959–1968.

Herring CE, Stinson J and Landis WG. 2015. Evaluating Non-Indigenous Species Management

in a Bayesian Networks Derived Relative Risk Framework for Padilla Bay, Washington. Integr Environ Assess Manag. 11:640-652.

Ayre KK, Caldwell CA, Stinson J, Landis WG. 2014. Analysis of regional scale risk to whirling

disease in populations of Colorado and Rio Grande cutthroat trout using a Bayesian belief network model. Risk Analysis.34:1589-1605.

Landis WG, Rohr JR, Moe SJ, Balbus JM, Clements W, Fritz A, Helm R, Hickey C, Hooper M,

Stahl RG, Stauber J. 2014. Global climate change and contaminants, a call to arms not yet heard? Integr Environ Assess Manag 10:483-484.

Hines EE and Landis WG. 2014. Regional Risk Assessment of the Puyallup River Watershed

and the Evaluation of Low Impact Development in Meeting Management Goals. Integr Environ Assess Manag 10:269-278

Landis WG. 2013. Book review: Turing’s Cathedral by George Dyson. Integr Environ Assess

Manag 9:680-681

Landis WG. 2013. Book review: Modeling and simulation in ecotoxicology with applications in Matlab and Simulink by Kenneth R. Dickson. Integr Environ Assess Manag 9:542-543

Landis WG, Durda JL, Brooks ML, Chapman PM, Menzie CA, Stahl RG, Stauber JL. 2013.

Ecological risk assessment in the context of global climate change. Environmental Toxicology and Chemistry 31:1 79-92.

Stahl R, Hooper MJ, Balbus J, Clements W, Fritz A, Helm R, Hickey C, Landis WG, Moe, SL.

2013. The influence of global climate change on the scientific foundations and applications of environmental toxicology and chemistry: introduction to a SETAC international workshop. Environmental Toxicology and Chemistry 32:1 13-19.

Landis WG. 2012. Comments on Fox et al (2012): What to do with NOECs/NOELs?. Integr

Environ Assess Manag 8:76-77.

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Ayre KK, Landis WG. 2012. A Bayesian approach to landscape ecological risk assessment

applied to the Upper Grande Ronde watershed, Oregon. Human and Ecological Risk Assessment. 18:5 946-970

Anderson SA and Landis WG. 2012. A pilot application of regional scale risk assessment to the

forestry management of the Upper Grande Ronde watershed, Oregon. Human and Ecological Risk Assessment. 18:705-732.

Landis WG, Chapman PM. 2012. Author’s reply. Integr Environ Assess Manag 8:5.

Landis WG, Chapman PM. 2011. Well past time to stop using NOELS and LOELs. Integr

Environ Assess Manag 7:vi-viii. Peer reviewed editorial.

Landis, WG, Sofield RM, Yu M-H. 2011. Introduction to Environmental Toxicology: Molecular Substructures To Ecological Landscapes, 4th Edition. Lewis Publishers, CRC Press. Boca Raton.

Miller TK, Allen CR, Landis WG, Merchant JW. 2010. Risk assessment: Simultaneously

prioritizing the control of invasive plant species and the conservation of rate plant species. Biological Conservation 143:2070-2079.

Wenning RJ, Finger SE, Guilhermino L, Helm RC, Hooper MJ, Landis WG, Menzie CA, Munns

WR, Rombke J, Stahl RG. 2010. Global Climate Change and Environmental Contaminants: A SETAC Call for Research Integr Environ Assess Manag 6: 197-198.

Warren-Hicks WJ, Qian S. Toll J, Fischer DL, Fite E, Landis WG, Hamer M, Smith EP. 2010.

Monte Carlo, Bayesian Monte Carlo, and First Order Error Analysis. In Warren-Hicks WJ and Hart. A. Application of Uncertainty Analysis to Ecological Risks of Pesticides.

Kapustka, LA. and Landis WG. 2010. Environmental Risk Assessment and Management from a

Landscape Perspective. John Wiley & Sons, Inc. New York

Kapustka, LA and Landis WG. 2010. Chapter 1. Introduction. In Kapustka, LA. and Landis WG. Eds. Environmental Risk Assessment and Management from a Landscape Perspective. John Wiley & Sons, Inc. New York pp 1-9

Landis WG, Chen VC, Colnar, AM, Kaminski L., Kushima G., Seebach, A. 2010. Chapter 12:

Landscape non-indigenous Species Risk Assessment: Asian Oyster and Nun Moth Case Studies. In Kapustka LA. and Landis WG. Environmental Risk Assessment and Management from a Landscape Perspective. John Wiley & Sons, Inc. New York pp 245-278.

Seebach, A., Colnar AM, Landis WG. 2010. Chapter 13: Ecological Risk Assessment of the

Invasive Sargassum muticum for the Cherry Point Reach, Washington USA. In Kapustka, LA. and Landis WG. Eds. . Environmental Risk Assessment and Management from a Landscape Perspective. John Wiley & Sons, Inc. New York pp 279-301.

Landis WG and Bryant PT. 2010. Using weight of evidence characterization and modeling to

investigate the cause of the changes in Pacific Herring (Clupea pallasi) Population Dynamics in Puget Sound and at Cherry Point, Washington. Risk Analysis. 30:183-202

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Landis WG and Andersen MC. 2010. Ecological risk assessment: population scale and invasive

species. Risk Analysis 30:162-164.

Landis WG. 2009. Why Has Ecological Risk Assessment Found Such Limited Application? Human and Ecological Risk Assessment 15:849-857

Gala W, Lipton J, Cernera P, Ginn T, Haddad R, Henning M, Jahn K, Landis WG, Mancini E,

Nicoll J, Peters V, Peterson J. 2009. Ecological Risk Assessment (ERA) and Natural Resource Damage Assessment (NRDA): Synthesis Of Assessment Procedures. Integrated Environmental Assessment and Management. 5:515-522

Stahl, RG Jr., Gouget R, Charters D, Clements W, Gala W, Haddad R, Helm R, Landis WG,

Maki A, Munns WR, Young D. 2009. The Nexus Between Ecological Risk Assessment and Natural Resource Damage Assessment Under CERCLA: Introduction to a Society of Environmental Toxicology and Chemistry Technical Workshop. Integrated Environmental Assessment and Management. 5:496-499.

Landis WG. 2009. Context, Toxicity Reference Values and Risk. Integrated Environmental

Assessment and Management. Learned Discourse 5:719-720

Hall, TJ, Landis WG. 2009. Measurement and Analysis of the Potential Long Term Impact of

Pulp and Paper Mill Effluent on Receiving Waters. Integrated Environmental Assessment

and Management. 5: 186–188

Landis WG, Thomas JF. 2009. Regional Risk Assessment as a Part of the Long Term Receiving Water Study. Integrated Environmental Assessment and Management. 5: 234–247

Hall TJ, Fisher RP, Rodgers Jr, JH, Minshall GW, Landis WG, Kovacs TG, Firth BK, Dubé MG, Deardorff TL, Dennis L Borton DL. 2009. A long-term multi-trophic level study to assess pulp and paper mill effluent effects on aquatic communities in four United States receiving waters: background and status. Integrated Environmental Assessment and Management 5: 189–198

Hall TJ, Fisher RP, Rodgers Jr, JH, Minshall GW, Landis WG, Kovacs TG, Firth BK, Dubé MG,

Deardorff TL, Dennis L Borton DL. 2009. A long-term multi-trophic level study to assess pulp and paper mill effluent discharges on aquatic communities in four United States receiving waters: lessons learned. Integrated Environmental Assessment and Management. 5: 283–290

Dale VH, Biddinger GR, Newman MC, Oris JT, Suter GW, Thompson T, Armitage TM, Meyer

JL Allen-King RM, Burton GA, Chapman PM Conquest LL, Fernandez IJ, Landis WG, Master LL, Mitsch WJ, Mueller TC, Rabeni CF, Rodewald AD, Sanders JG, and van Heerden. 2008. Enhancing the Ecological Risk Assessment Process. Integrated Environmental Assessment and Management 4: 306–313. Received Award of Excellence in 2009 from the Society for Technical Communication, Washington, DC Chapter.

Landis WG. 2008. Article title: Assimilative Capacity, Jorgensen, S. E. (ed) Encyclopedia of

Ecology, Oxford: Elsevier Ltd. pp 264-268.

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Landis WG. 2008. Chapter 14. Application of population modeling using RAMAS® to a causal

analysis of the decline the Cherry Point Pacific herring (Clupea pallasi) stock. In Demographic Toxicity: Methods in Ecological Risk Assessment. Edited by Akçakaya, Stark & Bridges. Oxford University Press. Oxford pp 213- 228.

Landis WG and Deines AM. 2007. Chapter 6 The Spatial Structure of Populations and

Ecological Risk Assessment, In Population-Level Ecological Risk Assessment. L Barnthouse et al Eds. Taylor and Francis. Boca Raton FL pp 113-127.

Carlsen, TM, Moe SJ, Brasfield S, Chapman PF, Hoffman A. Landis WG, Nacci DE, Noel H,

Spromberg JA. 2007. Approaches to population level ecological risk assessment. In Population-Level Ecological Risk Assessment. L Barnthouse et al Eds. Taylor and Francis. Boca Raton FL pp 151-177.

Landis WG. 2007. The Exxon Valdez oil spill revisited and the dangers of normative science.

Integrated Environmental Assessment and Management. 3:439-441

Landis WG and Kaminski LA. 2007. Population scale assessment endpoints in ecological risk assessment part 2: selection of assessment endpoint attributes. Integrated Environmental Assessment and Management 3: 450-457

Landis WG and Wiegers JK.2007. Ten years of the relative risk model and regional scale

ecological risk assessment. Human and Ecological Risk Assessment.13: 25-38

Colnar, AM and Landis WG.2007. Conceptual model development for invasive species and a regional risk assessment case study: the European Green Crab, Carcinus maenas, at Cherry Point, Washington USA, Human and Ecological Risk Assessment. 13:120-155. Selected best Ecorisk paper for HERA 2007.

Barnthouse, LB, Harman C, Landis WG, Tannenbaum. 2006. Integrated Environmental

Assessment and Management’s commitment to scientific discourse. Integrated Environmental Assessment and Management 2:201.

Landis, W. G.2006. Population scale assessment endpoints in ecological risk assessment part

1: Reflections of stakeholders’ values. Integrated Environmental Assessment and Management 2:86-91

Deines, A.M., Chen, V, Landis WG. 2005. Modeling the risks of non-indigenous species

introductions using a patch-dynamics approach incorporating contaminant effects as a disturbance. Risk Analysis 6: 1637-1651

Landis, W. G. 2005. Regional Scale Ecological Risk Assessment Using the Relative Risk

Model. CRC Press Boca Raton pp 286. Edited Book.

Landis W. G., Wiegers, J. K. 2005. Chapter 2: Introduction to the regional risk assessment using the relative risk model. In W. G. Landis editor Regional Scale Ecological Risk Assessment Using the Relative Risk Model. CRC Press Boca Raton pp 11-36.

Wiegers, J. K., Landis W. G. 2005. Chapter 4 Application of the Relative Risk Model to the Fjord

of Port Valdez, Alaska. In W. G. Landis editor, Regional Scale Ecological Risk Assessment

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Using the Relative Risk Model. CRC Press Boca Raton pp 53-90.

Luxon, M., Landis W. G. 2005. Chapter 5 Application of the Relative Risk Model to the Upper Willamette River and Lower McKenzie River, Oregon. In W. G. Landis editor, Regional Scale Ecological Risk Assessment Using the Relative Risk Model. CRC Press Boca Raton pp 91-118.

Obery, A. M., Thomas, J. F., Landis W. G.2005. Chapter 6 Codorus Creek Watershed: A

Regional Ecological Risk Assessment with Field Confirmation of the Risk Patterns. In W. G. Landis editor Regional Scale Ecological Risk Assessment Using the Relative Risk Model. CRC Press Boca Raton pp 119-142.

Walker, R. Landis, W G. Brown, P. 2005. Chapter 8 Developing a Regional Ecological Risk

Assessment: A Case Study of a Tasmanian Agricultural Catchment. In W. G. Landis editor Regional Scale Ecological Risk Assessment Using the Relative Risk Model. CRC Press Boca Raton pp 159-178.

Moraes, R., Landis, W. G., and Molander, S. 2005. Chapter 9 Establishing Conservation

Priorities in a Rain Forest Reserve in Brazil: An Application of the Regional Risk Assessment Method. In W. G. Landis editor Regional Scale Ecological Risk Assessment Using the Relative Risk Model. CRC Press Boca Raton pp 179-194.

Chen, J. C., Landis W. G. 2005. Chapter 10 Using the Relative Risk Model for a Regional-Scale

Ecological Risk Assessment of the Squalicum Creek Watershed. In W. G. Landis editor Regional Scale Ecological Risk Assessment Using the Relative Risk Model. CRC Press Boca Raton pp 195-230

Landis W. G., Hart Hayes, E., Markiewicz, A. M. 2005. Chapter 12. Retrospective Regional

Risk Assessment Predictions and the Application of a Monte Carlo Analysis for the Decline of the Cherry Point Herring Stock. In W. G. Landis editor Regional Scale Ecological Risk Assessment Using the Relative Risk Model. CRC Press Boca Raton pp 245-256.

Hart Hayes, E., Landis W. G. 2005. Chapter 13. The Ecological Risk Assessment Using the

Relative Risk Model and Incorporating a Monte Carlo Uncertainty Analysis. In W. G. Landis editor Regional Scale Ecological Risk Assessment Using the Relative Risk Model. CRC Press Boca Raton pp 257-290

Landis W. G 2004. Ecological risk assessment conceptual model formulation for nonindigenous

species. Risk Analysis 24:847-858

Landis W. G. 2004. Individuals are not lost in a proper landscape risk assessment and a note about values. SETAC Globe 5:45-46.

Landis W. G, Bodensteiner LR, Obery AM and Thomas JF 2004. Ecological risk assessment as

the framework for the prediction, confirmation and management of the Codorus Creek watershed. Pulp and Paper Mill Effluent Environmental Fate and Effects Conference Proceedings 2003 pp 232-245.

Hart Hayes, E. and Landis W. G. 2004. Regional ecological risk assessment of a nearshore

marine environment: Cherry Point, WA. Human and Ecological Risk Assessment. 10: 299-325.

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Landis, W. G, P. B. Duncan, E. Hart Hayes, A. J. Markiewicz, J. F. Thomas. 2004. A regional

assessment of the potential stressors causing the decline of the Cherry Point Pacific herring run and alternative management endpoints for the Cherry Point Reserve (Washington, USA). Human and Ecological Risk Assessment 10: 271-297

Landis, W. G. and Yu, M-H 2004. Introduction to Environmental Toxicology 3rd Edition. Lewis

Press, Boca Raton FL.

Landis, W. G., E. Hart Hayes and A. M. Markiewicz. 2003. Weight of Evidence and Path Analysis Applied to the Identification of Causes of the Cherry Point Pacific Herring Decline.. Droscher, Toni and David A. Fraser (eds.) 2003 Georgia Basin/Puget Sound Research Conference, March 31-April 3, 2003, Vancouver, British Columbia -Proceedings (December 2003). http://www.psat.wa.gov/Publications/03_proceedings/PAPERS/ORAL/10f_landis.pdf

Landis W. G. 2003. The frontiers in ecological risk assessment at expanding spatial and

temporal scales. Human and Ecological risk assessment. 9: 1415-1424

Landis W. G 2003. Twenty years before and hence; ecological risk assessment at multiple scales with multiple stressors and multiple endpoints. Human and Ecological Risk Assessment.9:1317-1326

Landis, W.G. 2003. Taxonomic identification, the question and the required resolution. SETAC

Globe (Learned Discourse) 4:2 28-30

Landis, W. G. and J. F. McLaughlin. 2003. Establishing Specifications of Ecological Indicators for the Prediction of Sustainability. Managing for Healthy Ecosystems, Rapport DJ, WL Lasley, DE Rolston, NO Nielsen, CO Qualset, and AB Damania [Editors]. Lewis Press Boca Raton pp 243-254.

Moraes, R., W. G. Landis, S. Molander. 2002. Regional Risk Assessment of a Brazilian Rain

Forest Reserve. Human and Ecological Risk Assessment. 8:1779-1803.

Landis, W. G. 2002. Population is the appropriate unit of interest for a species-specific risk assessment. SETAC Globe 3:3132. (Learned Discourse)

Munns, Wayne R., Jr., W. Nelson Beyer, W. G. Landis, C. Menzie. 2002. What is a population?

SETAC Globe 3:29-31 (Learned Discourse).

Obery, A. M. and W. G. Landis. 2002. A regional multiple stressor risk assessment of the Codorus Creek watershed applying the relative risk model. Human and Ecological Risk Assessment. 8:405-428

Landis WG, Markiewicz, AJ, Thomas JF, Hart Hayes E. 2002. Regional risk assessment

predictions for the decline and future management of the Cherry Point Herring Stock and region. Proceedings of the 2001 Puget Sound Research Conference. T. Droscher, editor. Puget Sound Water Quality Action Team. Olympia, Washington. http://www.psat.wa.gov/Publications/01_proceedings/sessions/sess_5b.htm

Landis, W. G. 2002. Uncertainty in the extrapolation from individual effects to impacts upon

landscapes. Human and Ecological Risk Assessment. 8:193-204.

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Landis, W. G. and McLaughlin, J. F., 2001. “If Not Recovery, Then What?” Environmental

Toxicology and Risk Assessment: Science, Policy and Standardization-Implications for Environmental Decisions: Tenth Volume, ASTM STP 1403. B. M. Greenburg, R. N. Hull, M. H. Roberts Jr. and R. W. Gensemer, Eds., American Society for Testing and Materials, West Conshohocken, PA. pp. 283-292

Sandberg, R. and W. G. Landis. 2001. Persistence and the effects of jet-A in a sediment

microcosm. Environ. Toxicol. Chem 9:1942-1950

Walker, R., W. G. Landis and P. Brown. 2001. Developing a regional ecological risk assessment: A case study of a Tasmanian agricultural catchment. Human and Ecological Risk Assessment 7:417-439.

Landis, W. G., L. A. Lenart and J. A. Spromberg. 2000. Patch Dynamics of Horizontal Gene

Transfer with Application to the Ecological Risk Assessment of Genetically Engineered Organisms. Human and Ecological Risk Assessment, 6:875-899.

McLaughlin, J. F. and W. G. Landis. 2000. Effects of Environmental Contaminants in Spatially

Structured Environments. Environmental Contaminants in Terrestrial Vertebrates: Effects on Populations. Communities, and Ecosystems. Peter H. Albers et al., editors. Society of Environmental Toxicology and Chemistry, Pensacola.

Landis, W. G. and J. F. McLaughlin. 2000. Design criteria and derivation of indicators for

ecological position, direction and risk. Environ. Toxicol. Chem.19:1059-1065.

Landis, W. G., Luxon, M. and L. R, Bodensteiner. 2000. Design of a Relative Rank Method Regional-Scale Risk Assessment with Confirmational Sampling for the Willamette and McKenzie Rivers, Oregon. Ninth Symposium on Environmental Toxicology and Risk Assessment: Recent Achievements in Environmental Fate and Transport, ASTM STP1381 F. T. Price, K. V. Brix and N. K. Lane, Eds., American Society for Testing and Materials, West Conshohocken, PA, pp 67-88.

Landis, W. G., A. J. Markiewicz, R. A. Matthews and G. B. Matthews. 2000. Confirmation of the

community conditioning hypothesis: persistence of effects in model ecological structures dosed with the jet fuel JP-8. Environ. Toxicol. Chem. 19:327-336.

Gentile, J. H., K. R. Solomon, J. B. Butcher, M. Harrass, W. G. Landis, M. Power, B. A. Rattner,

W. J. Warren-Hicks, R. Wenger. 1999. Chapter 2, Linking stressors and ecological responses. In Multiple Stressors in Ecological Risk Assessment, J. A. Foran and S. A. Ferenc eds. SETAC Press, Pensacola, FL. pp 27-50.

Wiegers, J. K., H. M. Feder, L. S. Mortensen, D. G. Shaw, V. J. Wilson and W. G. Landis. 1998.

A regional multiple stressor rank-based ecological risk assessment for the fjord of Port Valdez, AK. Human and Ecological Risk Assessment 4:1125-1173

Landis, W. G. 1998. Paradigm lost, and maybe found: the risk assessment of dynamic,

nonlinear and historical ecological landscapes. From "Risk Assessment of Environmental Endpoints." Proceedings of a Workshop, University of Auckland, October 28-30. G. S. Lewis, N. G. Thom, J. W. Hay and K. Sukhia (eds). pp 22-29.

22

Landis, W. G., L. R. Bodensteiner and J. F. McLaughlin. 1998. The relative rank risk model for regional-scale risk assessment and potential applications in freshwater and terrestrial systems. From "Risk Assessment of Environmental Endpoints." Proceedings of a Workshop, University of Auckland, October 28-30. G. S. Lewis, N. G. Thom, J. W. Hay and K. Sukhia (eds), pp 54-67.

Landis, W. G., A. J. Markiewicz, G. B. Matthews, M. J. Roze and R. A. Matthews. 1998. Case

study #2: an exploration of uncertainty in the determination of environmental toxicity. In Uncertainty Analysis in Ecological Risk Assessment, W. J. Warren-Hicks and D. R. J. Moore Eds. SETAC Press, Pensacola pp 226-236.

Kapustka, L. A. and W. G. Landis. 1998. Ecology: the science versus the myth. Human and

Ecological Risk Assessment 4:829-838.

Landis, W. G., D, R. J. Moore and S. Norton. 1998. Ecological Risk Assessment: Looking In, Looking Out. In Pollution Risk Assessment and Management, Ed P. E. T. Douben. John Wiley and Sons Ltd., Chichester. pp. 273-310.

Spromberg, J. A., B. M. Johns and W. G. Landis. 1998. Metapopulation dynamics: indirect

effects and multiple discrete outcomes in ecological risk assessment. Environ. Toxicol. Chem. 17:1640-1649

Matz. A. J., R. S. Bennett and W. G. Landis. 1998. Effects of Azinphos-methyl on bobwhite: a

comparison of laboratory and field results. Environ. Toxicol. Chem. 17: 1364-1370

Matthews, R. A., G. B. Matthews and W. G. Landis. 1998. Application of community level toxicity testing to environmental risk assessment. M.C. Newman and C. L. Strojan Eds. Risk Assessment: Logic and Measurement. Ann Arbor Press, Ann Arbor. pp 225-253.

Landis, W. G. and M.- H. Yu. 1998. An Introduction to Environmental Toxicology: Impacts of

Chemicals on Ecological Systems Second Edition. Lewis Publishing, Boca Raton, FL.

Fairbrother, A., W. G. Landis, S. Dominguez, T. Shiroyama, P. Buchholz, M.J. Roze and G. B. Matthews. 1998. A novel nonmetric multivariate approach to the evaluation of biomarkers in terrestrial field studies. Ecotoxicology 7:1-10.

Landis, W. G., A. J. Markiewicz, G. B. Matthews, R. A. Matthews, and M. J. Roze. 1997.

Chapter 11. An exploration of uncertainty in the determination of environmental toxicity. Eds. C. G. Ingersoll, T. Dillon, and G. R. Biddinger. Ecological Risk Assessment of Contaminated Sediments. SETAC Press, Pensacola.

Landis, W. G. and J. A. Wiegers. 1997. Design considerations and a suggested approach for

regional and comparative ecological risk assessment. Human and Ecological Risk Assessment. 3:287-297.

Landis, W. G., R. A. Matthews and G. B. Matthews. 1997. Design and analysis of multispecies

toxicity tests for pesticide registration. Ecological Applications 7:1111-1116.

Matthews, R. A., W. G. Landis, G. B. Matthews. 1996. Community conditioning: an ecological approach to environmental toxicology. Environ. Toxicol. Chem. 15: 597-603.

23

Landis, W. G., R. A. Matthews and G. B. Matthews. 1996. The layered and historical nature of ecological systems and the risk assessment of pesticides. Environ. Toxicol. Chem. 15: 432-440.

Landis, W. G. and M. - H. Yu. 1995. An Introduction to Environmental Toxicology: Impacts of

Chemicals on Ecological Systems. Lewis Publishing, Boca Raton, FL.

Landis, W. G., R. A. Matthews, A. J. Markiewicz, and G. B. Matthews. 1995. Non-linear oscillations detected by multivariate analysis in microcosm toxicity tests with complex toxicants: Implications for biomonitoring and risk assessment. In Environmental Toxicology and Risk Assessment-Third Volume, ASTM 1218, J. S. Hughes, G. R. Biddinger, and E. Mones, Eds., American Society for Testing and Materials, Philadelphia. pp 133-156

Matthews, G. B., R. A. Matthews, and W. G. Landis. 1995. Nonmetric clustering and association

analysis: Implications for the evaluation of multispecies toxicity tests and field monitoring. Environmental Toxicology and Risk Assessment-Third Volume, ASTM 1218, J. S. Hughes, G. R. Biddinger, and E. Mones, Eds., American Society for Testing and Materials, Philadelphia. pp. 79-93

Matthews, G. B., R. A. Matthews, and W. G. Landis. 1995. Nonmetric conceptual clustering in

ecology and ecotoxicology. AI Applications 9:41-48.

Landis, W. G., R. A. Matthews, and G. B. Matthews. 1995. A contrast of human health risk and ecological risk assessment: risk assessment for an organism versus a complex non-organismal structure. Human and Ecological Risk Assessment. 1:485-488.

Matz, A. C., R. S. Bennett and W. G. Landis. 1994. Guidance for assessing the effects of

contaminants to juvenile gallinaceous birds using a cross-fostered brood method. U. S. Environmental Protection Agency EPA 600/R-94/083.

Landis, W. G. 1994. Book review. Ecological Risk Analysis by S. M. Bartell, R. H. Gardner and

R. V. O'Neill. Aquatic Toxicology 29:140-143.

Landis, W. G., G. B. Matthews, R. A. Matthews, and A. Sergeant. 1994. Application of multivariate techniques to endpoint determination, selection and evaluation in ecological risk assessment. Environ. Toxicol. Chem. 12: 1917-1927

Chester, N. A., M. V. Haley and W. G. Landis. 1994. The aquatic toxicology of isopropylamine:

Comparison of experimentally derived values with structure-activity predictions. In Animal Test Alternatives: Refinement, Reduction, Replacement. H. Salem and M. Decker, Eds., New York, pp. 37-46.

Landis, W. G., M. V. Haley, and N. A. Chester. 1993. The use of the standardized aquatic

microcosm in the evaluation of degradative bacteria in reducing impacts to aquatic ecosystems. In W. G. Landis, J. Hughes and M. Lewis, Environmental Toxicology and Risk Assessment ASTM STP -1167. American Society for Testing and Materials, Philadelphia, pp. 159-177

Landis, W.G. J. Hughes, and M. Lewis. 1993. Environmental Toxicology and Risk Assessment:

ASTM STP -1179. American Society for Testing and Materials, Philadelphia.

24

Landis, W. G., R. A. Matthews, A. J. Markiewicz, N. A. Shough, and G. B. Matthews. 1993. Multivariate analyses of the impacts of the turbine fuel Jet A using a microcosm toxicity test. J. Environ. Sci. 2:113-130.

Landis, W. G., R. A. Matthews, A. J. Markiewicz, and G. B. Matthews. 1993. Multivariate

analysis of the impacts of the turbine fuel JP-4 in a microcosm toxicity test with implications for the evaluation of ecosystem dynamics and risk assessment. Ecotoxicology 2:271-300.

Chester, N. A., M. V. Haley and W. G. Landis. 1992. The aquatic toxicology of Isopropylamine-

Comparison of experimentally derived values with structure activity predictions. Environmental Sciences 1:117-126.

Noellgen, R. M. and W. G. Landis. 1992. Identification and characterization of the

organophosphate acid anhydrase activity of the Blue Mussel, Mytilus edulis. Comp. Biochem. Physiol. 101C:615-623.

Westra, B. D. and W. G. Landis. 1992. Initial characterization of the organophosphate acid

anhydrase activity of the chicken, Gallus domesticus. Comp. Biochem. Physiol. 102C:253-265.

Landis, W. G. and N. J. Shough. 1992. Discovery, initial characterization and comparison of the organophosphate acid hydrolyzing activities of the bobwhite quail, stilt and mallard. Comp. Biochem. Physiol. 102C:527-535.

Landis, W. G. 1991. Biomonitoring, Myth or Miracle? In Pesticides in Natural Systems: How

Can Their Effects Be Monitored? Proceedings of the Conference December 11th and 12th, 1990. EPA 910/9-91-011, pp. 17-38.

Landis, W. G. 1991. Distribution and nature of the aquatic organophosphorus acid anhydrases:

enzymes for organophosphate detoxification. Reviews in Aquatic Sciences 5:267-285.

Landis, W. G. 1991. Pesticides and herbicides, fate and effects evaluation on non-target biological communities. Proceedings, 1991 Annual Meeting of the Air and Waste Management Association.

Dumas, D. P., H. D. Durst, W. G. Landis, F. M. Raushel and J. R. Wild. 1990. Inactivation of

organophosphorus nerve agents by the phosphotriesterase from Pseudomonas diminuta. Archives of Biochem and Biophysics. 277:155-159.

Haley, M. V., E. L. Vickers, T.- C. Cheng, J. J. DeFrank, T. A. Justus and W. G. Landis. 1990.

Biodegradation and reduction in aquatic toxicity of the persistent riot control material 1,4-dibenz oxazepine. In Aquatic Toxicology and Environmental Fate: Thirteenth Volume ASTM STP-1096 . W. G. Landis and W. H. van der Schalie, Eds., American Society for Testing and Materials, Philadelphia, pp 60-75.

Johnson, D. W., M. V. Haley, N. A. Chester, and W. G. Landis. 1990. The aquatic toxicity of

the sensory irritant, 1-4, dibenz oxazepine. In Aquatic Toxicology and Environmental Fate: Thirteenth Volume ASTM STP -1096 . W. G. Landis and W. H. van der Schalie, Eds., American Society for Testing and Materials, Philadelphia, pp. 176-188.

25

Landis, W. G. and W. H. van der Schalie, Eds. 1990 Aquatic Toxicology and Environmental Fate: Thirteenth Volume, ASTM STP -1096 . American Society for Testing and Materials, Philadelphia.

Enslein, K., T. M. Tuzzeo, B. W. Blake, J. B. Hart, and W. G. Landis. 1989. Prediction of

Daphnia magna EC50 values from rat oral LD50 and structure. In Aquatic Toxicology and Environmental Fate: Eleventh Volume ASTM STP -1007, G. Suter and M. Adams, Eds. American Society for Testing and Materials, Philadelphia, pp 397-409.

Landis, W. G., N. A. Chester, H. D. Durst, M. V. Haley, D. W. Johnson, R. M. Tauber, R. S.

Anderson, and B. C. Harper. 1989. The organophosphate acid anhydrase of the protozoan, Tetrahymena thermophila, and the clam, Rangia cuneata, and the role of eucaryotes in strategies of biological detoxification. Proceedings of the 1988 International Conference on Physiochemical and Biological Detoxification, Yuen C. Wu Ed. Technomic Publishing, Lancaster, pp. 645-655.

Landis, W. G., N. A. Chester, M. V. Haley, D. W. Johnson, W. T. Muse, Jr., R.M. Tauber. 1989. The utility of the standard aquatic microcosm as a standard method for ecotoxicological

evaluation. In Aquatic Toxicology and Environmental Fate: Eleventh Volume ASTM STP -1007, G. Suter and M. Adams, Eds. American Society for Testing and Materials, Philadelphia, pp. 353-367.

Landis, W. G., R. S. Anderson, N. A. Chester, H. D. Durst, M. V. Haley, D. W. Johnson, and R.

M. Tauber. 1989. The organofluorophosphate acid anhydrases of the protozoan, Tetrahymena thermophila, and the clam, Rangia cuneata. In Aquatic Toxicology and Environmental Fate: Twelfth Volume ASTM STP 1027, U. M. Cowgill and L. R. Williams Eds. American Society for Testing and Materials, Philadelphia, pp. 74-81

Landis, W.G., N.A. Chester, and R.S. Anderson. 1989. Identification and comparison of the

multiple organophosphate acid anhydrase activities of the clam, Rangia cuneata. Comp. Biochem. Physiol. 94C:365-371.

Haley, M. V. and W. G. Landis. 1988 Confirmation of multiple organofluorophosphate

hydrolyzing activities in the protozoan Tetrahymena thermophila. CRDEC-TR-88009.

Landis, W. G. 1988. Ecology. In Paramecium. H. D. Gortz, Ed. Springer-Verlag (Heildelberg). pp 419-436.

Landis, W. G. 1988. Book Review, Ecotoxicology by F. Ramade. J. Env. Qual. 17: 170

Johnson, D. W., M. V. Haley, N. A. Chester, and W. G. Landis. 1988. The aquatic toxicities of

two structurally similar compounds, 1-methoxy-1,3,5-cycloheptatriene and Dibenz(B, F)-1,4-oxazepine. Proceedings of the 1987 CRDEC Conference on Chemical Defense. M. D. Rausa, Ed. CRDEC-SP-88013, pp. 241-246.

Haley, M. V., D. W. Johnson and W. G. Landis. 1988. The aquatic toxicity of brass dust. In

Aquatic Toxicology and Environmental Fate: Tenth Volume ASTM STP -971. W. Adams, G. Chapman, and W.G. Landis, Eds. American Society for Testing and Materials, Philadelphia, pp. 468-479.

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Adams, W., G. Chapman and W. G. Landis. 1988. Aquatic Toxicology and Environmental Fate: Tenth Volume ASTM STP-971. American Society for Testing and Materials, Philadelphia.

578 pp.

Landis, W. G., N. A. Chester, M. V. Haley, D. W. Johnson, and W. T. Muse, Jr. 1988. Evaluation of the aquatic toxicity and fate of brass dust using the standard aquatic microcosm. CRDEC-TR-88116.

Anderson, R. S., H. D. Durst, and W. G. Landis. 1988. Initial characterization of the

organophosphate acid anhydrase activity in the clam, Rangia cuneata. Comp. Biochem Phys. 91C:575-578

Landis, W. G. 1987. Factors determining the frequency of the killer trait within populations of

the Paramecium aurelia complex. Genetics 115:197-205.

Landis, W. G. 1987. Biotechnology and Ecotoxicology: Partners of Necessity. Env.Tox. Chem. 6:415-416.

Landis, W. G., H. D. Durst, R. E. Savage, Jr., D. M. Haley, M. V. Haley, and D. W. Johnson.

1987. Discovery of multiple organofluorophosphate hydrolyzing activities in the protozoan Tetrahymena thermophila. J. Appl. Tox. 7:35-41.

Landis, W. G., R. S. Anderson, H. D. Durst, J. James, N. A. Chester, M. V. Haley, D. W.

Johnson, and R. M. Tauber. 1987. The organofluorophosphate hydrolases of Tetrahymena thermophila and Rangia cuneata. Proceedings of the CRDEC Conference on Chemical Defense. M. D. Rausa, Ed. CRDEC-SP-870007: 279-282.

Landis, W. G., N.A. Chester, M. V. Haley, D. W. Johnson, R. M. Tauber, and H. D. Durst. 1989.

Alternative substrates and an inhibitor of the organophosphate acid anhydrase activities of the protozoan, Tetrahymena thermophila. Comp. Biochem. Phys. 92C:211-216

Landis, W. G., M. V. Haley, and D. W. Johnson. 1986. Kinetics of the DFPase activity in

Tetrahymena thermophila. J. Protozool. 33:216-218.

Johnson, D. W., M. V. Haley, G. S. Hart, W. T. Muse, Jr., and W. G. Landis. 1986. Acute toxicity of brass particles to Daphnia magna. J. Appl. Tox. 6:281-285.

Landis, W. G., H. D. Durst, D. M. Haley, D. W. Johnson, R. M. Tauber, and R. E. Savage, Jr.

1986. Tetrahymena-DFPase: Activity, kinetics and separation. In Proceedings 1985 Scientific Conference on Chemical Defense, M. D. Rausa, Ed. CRDC-SP-860007:903-908.

Haley, M. V., D. W. Johnson, G. S. Hart, W. T. Muse, Jr. and W. G. Landis. 1986. The toxicity

of brass particles to the microalgae Ankistrodesmus falcatus and Selenastrum capricornutum. J. Appl. Tox. 6:281-285.

Landis, W. G. 1986. Resource competition modeling of the impacts of xenobiotics on biological

communities. Aquatic Toxicology and Environmental Fate: Ninth Volume ASTM STP 921. J. M. Poston and R. Purdy, Eds., American Society for Testing and Materials. Philadelphia, pp 55-72.

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Landis, W. G. 1986. The interplay among ecology, breeding system, and genetics in the Paramecium aurelia and Paramecium bursaria complexes. Progress in Protistology 1:225-245.

Landis. W. G., H. D. Durst, D. M. Haley, M. V. Haley, B. G. Harper, D. W. Johnson, R. E.

Savage, Jr., and R. M. Tauber. 1986. Tetrahymena-DFPases: characterization, production, and utilization. Proceedings Hazpro 86. R. A. Young, Ed. Pudan Publishing Co. Northbrook pp 362-372.

Munavalli, S., E. J. Poziomek, and W. G. Landis. 1986. Preparation and properties of

methylene bispyridinium derivatives. Int. J. Heterocycles 24:1883-1892.

Landis, W. G., R. E. Savage, Jr., and F. C. G. Hoskin. 1985. An organofluorophosphate hydrolyzing activity in Tetrahymena thermophila. J. Protozool. 32:517-519.

Landis, W. G., D. M. Satanek, G. S. Hart, M. V. Haley, D. W. Johnson, and R. E. Savage, Jr.

1985. Kinetics and purification of a diisopropylfluorophosphate hydrolyzing activity in the protozoan Tetrahymena thermophila. In Proceedings 1984 Scientific Conference on Chemical Defense, M. D. Rausa Editor. CRDC SP-850006:633-637.

Landis, W. G. 1985. Book Review,Vibrios in the Environment, Ed. R. R. Colwell. J. Appl. Tox.

5:343.

Savage, R. E., Jr., D. M. Satanek, M. V. Haley, G. S. Hart, D. W. Johnson, and W. G. Landis. 1985. Abst. Kinetics and purification of an organofluorophosphate hydrolyzing activity in Tetrahymena thermophila. Toxicologist 5:68.

Landis, W. G., M. V. Haley, D. W. Johnson, D. M. Satanek, and R. E. Savage, Jr. 1984. Abst.

Initial characterization of an organofluorophosphate hydrolyzing activity in Tetrahymena thermophila. Pharmacologist 26:228.

Enslein, K., T. R. Lander, M. E. Tomb, J. R. Strange, and W. G. Landis. 1984. Comparison of

teratogenesis, carcinogenesis, and mutagenesis in a database. Health Designs Inc. Special Report.

Landis, W. G. 1983. Abst. The relationship among breeding systems, spatial distribution and

genetic diversity in Paramecium. J. Protozool. 29:486.

Enslein, K., T. R. Lander, W. E. Tomb and W. G. Landis. 1983. Mutagenicity (Ames): A structure-activity model. Ter. Car. Mut. 4:503-513.

Landis, W. G. 1982. The spatial and temporal distribution of Paramecium bursaria in the littoral

zone. J. Protozool. 29:159-161.

Landis, W. G. 1981. The ecology, interactions, and the role of the killer trait in five species of the Paramecium aurelia complex inhabiting the littoral zone. Can. J. Zool. 9:1734-1743.

Landis, W. G. 1978. Abst. The role of natural selection and other factors in determining the

frequency of the killer trait in populations of the Paramecium aurelia complex. J. Protozool. suppl. 25: 25A.

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Landis, W. G. 1979. Abst. The population biology of Paramecium bursaria and the Paramecium aurelia complex. J. Protozool. suppl. 28: 28A.

Landis, W. G. 1979. The Population Biology of Five Species of the Paramecium aurelia

Complex and the Killer Trait. Ph. D. Thesis, Indiana University. Technical Reports Hart Hayes, E., A. J.. Markiewicz and W. G. Landis. 2002. Ecological Risk Assessment of Cherry Point,

WA Using the Relative Risk Model: Phase III Problem Formulation Report. Technical Report 0201,

Institute of Environmental Toxicology and Chemistry, Western Washington University Markiewicz, A. J. E. Hart Hayes and W. G. Landis. 2001. Ecological Risk Assessment of Cherry Point,

WA Using the Relative Risk Model: Phase II Problem Formulation Report. Technical Report 0101,

Institute of Environmental Toxicology and Chemistry, Western Washington University Landis, W. G., A. J. Markiewicz, J. A. Thomas and Bruce Duncan, 2000. Regional Risk

Assessment for the Cherry Point Herring Stock. Institute of Environmental Toxicology and Chemistry, Technical Report 0100, Institute of Environmental Toxicology and Chemistry, Western Washington University

Landis, W. G., V. J. Wilson, A. J. Markiewicz, A. Fairbrother, and G. Mann. 1997. Checklist for

the Tier-1 Ecological Risk Assessment of Contaminated Sites in British Columbia. Technical Report 9702. Institute of Environmental Toxicology and Chemistry, Western Washington University

Weigers, J. K., H. M. Feder, W. G. Landis, L. S. Mortensen, D. G. Shaw, and V. J. Wilson. 1997.

A Regional Multiple-Stressor Ecological Risk Assessment for Port Valdez, Alaska. Technical Report 9701. Institute of Environmental Toxicology and Chemistry, Western Washington University

Wiegers, J. K., L. S. Mortensen, V. J. Wilson and W. G. Landis. 1996. A Regional, Multiple

Stressor Ecological Risk Assessment for Port Valdez, AK. Technical Report 9602. Institute of Environmental Toxicology and Chemistry, Western Washington University.

Driver, C. J., M. W. Ligotke, W. G. Landis, J. L. Downs, B. L. Tiller, E. B. Moore, Jr., and D. A.

Cataldo. 1993. Environmental and Health Effects Review for Obscurant Graphite Flakes. Edgewood Research Development and Engineering Center Publication ERDEC-CR-056.

Cataldo, D. A., C. J. Driver, M. W. Ligotke, W. G. Landis and M. V. Norton. 1992.

Environmental and Health Effects Review for Obscurant Fibers/Filaments. CRDEC-CR-126. La Tier, A. J. and W. G. Landis. 1992. Plant Vigor Toxicity Test. Standard Protocol for

Department of Ecology Toxicity Evaluation. Contract Report. La Tier, A. J. and W. G. Landis. 1992. Daphnia Survival Toxicity Test. Standard Protocol for

Department of Ecology Toxicity Evaluation. Contract Report. La Tier, A. J. and W. G. Landis. 1992. Earthworm Toxicity Test. Standard Protocol for

Department of Ecology Toxicity Evaluation. Contract Report.

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La Tier, A. J. and W. G. Landis. 1992. Frog Embryo Teratogenesis Assay: Xenopus (FETAX). Standard Protocol for Department of Ecology Toxicity Evaluation. Contract Report.

La Tier, A. J. and W. G. Landis. 1992. Fathead Minnow Toxicity Test. Standard Protocol for

Department of Ecology Toxicity Evaluation. Contract Report. Landis, W. G. and T. A. Storch. 1991. Habitat Analysis of the Western Pond Turtle. Department

of Wildlife, Contract Report. Chester, N. A., H. D. Durst, M. V. Haley and W. G. Landis. 1989. Characterization of the

Mipafox hydrolyzing activity from the clam, Rangia cuneata. Proceedings of the 1988 CRDEC Conference on Chemical Defense Research. J. D. Williams, Jr. and M. D. Rausa, Eds. CRDEC-SP-013, pp 1091-1097.

Haley, M. V., E. Vickers, T. C. Cheng, and W. G. Landis. 1989. Naturally occurring organisms

resistant of dibenz 1,4-oxazepine. Proceedings of the 1988 CRDEC Conference on Chemical Defense Research. J. D. Williams, Jr. and M. D. Rausa Eds. CRDEC-SP-013, pp. 1085-1090.

Enslein, K., M. E. Tomb, J. B. Hart, and W. G. Landis. 1989. Structure-activity relationships:

fathead minnow LC50 predicted from rat oral LD50 and structure. Proceedings of the 1988 CRDEC Conference on Chemical Defense Research. J. D. Williams, Jr. and M. D. Rausa, Eds. CRDEC-SP-013, pp. 527-533.

Haley, M. V. and W. G. Landis. 1989. The acute toxicity of isopropylamine and 2-

methylcyclohexanol. CRDEC-TR-052. Haley, M. V. and W. G. Landis. 1989. The toxicity of jet A to selected aquatic organisms.

CRDEC-TR-047. Haley, M. V. and W. G. Landis. 1988 Confirmation of multiple organofluorophosphate

hydrolyzing activities in the protozoan Tetrahymena thermophila. CRDEC-TR-88009. Chester, N. A. and W. G. Landis. 1988. The organophosphate acid anhydrases of Rangia

cuneata. CRDEC-TR-88045. Landis, W. G., R.S. Anderson, N. A. Chester, M. V. Haley, and D. W. Johnson. 1988. The

organophosphate acid anhydrase systems of the clam, Rangia cuneata. Proceedings of the 1987 CRDEC Conference on Chemical Defense. M. D. Rausa, Ed. CRDEC-SP-88013, pp 139-144.

Haley, M. V., N. A. Chester, and W. G. Landis. 1988. The aquatic toxicity of O-(2-

diisopropylaminoethyl)O-ethylmethylphophonite (QL), methylphophonic difluoride (DF), methylphophonic dichloride (DC) and some of their degradation components. Proceedings of the 1987 CRDEC Conference on Chemical Defense. M. D. Rausa, Ed. CRDEC-SP-88013, pp 803-808.

Landis, W. G., N. A. Chester, M. V. Haley, D. W. Johnson, and R. M. Tauber. 1988. Evaluation

of the Aquatic Toxicity of Graphite Dust Using the Standard Aquatic Microcosm. CRDEC-TR-88133.

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Haley, M. V., N. A. Chester, and W. G. Landis. 1988. The Aquatic Toxicity of O-(2-Diisopropylaminoethyl) O-Ethylmethylphosphonite (QL), Methylphosphonic Difluoride (DF), Methylphosphonic Dichloride (DC) and some of their Degradation Components. CRDEC-TR-88152.

Chester, N. A., R. S. Anderson and W. G. Landis. 1988. Mipafox as a substrate for Rangia-

DFPase. CRDEC-TR-88153. Landis, W. G., R. S. Anderson, H. D. Durst, J. James, N. A. Chester, M. V. Haley, D. W.

Johnson, and R. M. Tauber. 1987. The organofluorophosphate hydrolases of Tetrahymena thermophila and Rangia cuneata. Proceedings of the CRDEC Conference on Chemical Defense. M. D. Rausa, Ed. CRDEC-SP-870007: 279-282.

Landis, W. G., H. D. Durst, R. E. Savage, Jr., and B. G. Harper. 1986. The Tetrahymena-

DFPases: Elucidation, characteristics, therapeutic potential, and utility as non-corrosive decontaminants. Proceedings 1986 Army Science Conference, ADA173639, pp217-231.

Harper, B. G., L. P. Midgley, I. G. Resnick, and W. G. Landis. 1986. Scale up, production and

purification of diisopropylfluorophosphatase from Tetrahymena thermophila. Proceedings 1986 Army Science Conference, ADA173639, pp17-26.

Haley, M. V., D. W. Johnson, W. T. Muse, Jr., and W. G. Landis. 1986. Aquatic toxicity of

Pinacolyl Alcohol. CRDEC-TR-86080. Johnson, D. W., M. V. Haley, G. S. Hart, and W. G. Landis. 1985. Toxicity of brass to Daphnia

magna. CRDC TR-85006. Landis, W. G. and R. E. Savage, Jr. 1984. Initial characterization of a soman hydrolyzing

DFPase in Tetrahymena thermophila. Proceedings 1984 Army Science Conference. Landis, W. G., M. V. Haley, D. W. Johnson, and R. W. Anderson. 1984. The Aquatic Toxicology

of EA4923. ARCRDC-TR-84035. Landis, W. G., D. W. Johnson, B. Infiesto, M. Lamb, and M. V. Haley. 1983. The Population

Dynamics of the Spotted Turtle, Clemmys gluttata, on Carroll Island. ARCSL-TR-83015. Anon. (Franklin Research Center byline) 1980. Criteria Document on the Secondary and

Tertiary Aliphatic Amines, Report 5. Prepared for the National Institute of Occupational Safety and Health.

Anon. (Franklin Research Center byline) 1980. Criteria Document on the Monohaloacetic

Acids, Report 5. Prepared for the National Institute of Occupational Safety and Health. Presentations: 2017 Stark, JD, Mitchell CJ, Landis WG, Graham SE, von Stackelberg K. Population Models for Use in Bayesian Networks and Adverse Outcome Pathways. Society of Environmental Toxicology and Chemistry Europe Annual Meeting. May 7-11., 2017. Brussels, Belgium. Landis WG, Graham S, Harris M, Mitchell CJ, Stark JD, von Stackelberg K. Molecular to Landscape, the integration of adverse outcome pathways into a regional scale pesticide driven

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risk assessment for Chinook salmon in Puget Sound watersheds. Society of Environmental Toxicology and Chemistry Europe Annual Meeting. May 7-11., 2017. Brussels, Belgium. Landis WG. Exposure-response in environmental toxicology and risk assessment, from receptors to ecological landscapes. Webinar for the Dose-response Specialty Group for the Society for Risk Analysis. May 2, 2017 Landis WG, Chu VR, Harris MJ, Mitchell CJ, Stark JD, von Stackelberg K, Wallis LK. Integrating Adverse Outcome Pathways into the Bayesian Network Relative Risk Model for Landscape Scale Ecological Risk Assessment. Annual Meeting of the Pacific Northwest Chapter of the Society of Environmental Toxicology and Chemistry. April 20-22, 2017. Anchorage Alaska Chu VR, Harris, MJ, Graham SE, Wallis LK, Mitchell CJ, Stark JD, von Stackelberg KE. Assessing the Effects of Chemical Mixtures using a Bayesian Network-Relative Risk Model (BN-RRM) Integrating Adverse Outcome Pathways (AOPs). Annual Meeting of the Pacific Northwest Chapter of the Society of Environmental Toxicology and Chemistry. April 20-22, 2017. Anchorage Alaska Wallis LK, Markiewicz AJ, Landis WG. Incorporating Climate Change into the Prediction of Risk to Pacific Herring and Estuary Habitat in Puget Sound. Annual Meeting of the Pacific Northwest Chapter of the Society of Environmental Toxicology and Chemistry. April 20-22, 2017. Anchorage Alaska Mitchell CJ, Harris MJ, Chu VR, Graham SE, Wallis LK, von Stackelberg KE, Landis WG, Stark JD. Incorporating Spatially Explicit Metapopulation Models as the Adverse Outcome Pathway Endpoint of a Bayesian Network- Relative Risk Model. Annual Meeting of the Pacific Northwest Chapter of the Society of Environmental Toxicology and Chemistry. April 20-22, 2017. Anchorage Alaska Landis WG. Environmental risk and uncertainty in governance: new technology and the precautionary principle. Gothenburg, Swedish Agency for Marine and Water Management (SwAM) Sweden. April 4, 2017 Landis WG. Adaptive management of ecological risks based on a Bayesian network - relative risk model. Chalmers University, Gothenburg Sweden April 3, 2017. Landis WG. Ecological risk assessment, management, uncertainty and data, closing the loop. Risk Assessment Department. Centre for Environmental and Climate Research Lund University, Lund Sweden, March 30, 2017. Landis WG. Bayesian tools to meet the challenges of uncertainty, climate change and integrating molecular toxicology to population management. Centre for Environmental and Climate Research, Lund University, Lund, Sweden. March 29, 2017. Landis WG. Bayesian tools to meet the challenges of uncertainty, climate change and integrating molecular toxicology to population management. Centre for Environmental and Climate Research, Lund University, March 28, 2017. 2016 Landis WG and Sayer K. Requirements and schemes for the ecological risk assessment and

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adaptive management of gene drive organisms. Annual meeting of the Society for Risk Analysis. December 11-15, 2016, San Diego, CA. Landis WG, Graham SE, Stark JD, von Stackelberg, K. Building a Predictive Adverse Outcome Pathway for Multiple Acetylcholinesterase Inhibitors to Predict Effects to Population Scale Endpoints. World Congress of the Society of Environmental Toxicology and Chemistry. November 6-10, 2016. Orlando FL Graham SE, Landis WG, Stark JD, von Stackelberg, K. Methods for Building a Quantitative Adverse Outcome Pathway for Acetylcholinesterase Inhibitors using Bayesian Networks. World Congress of the Society of Environmental Toxicology and Chemistry. November 6-10, 2016. Orlando FL Stark JD, Landis WG, von Stackelberg K. Why Point Estimates of Mortality May Result in Inaccurate Population Modeling and Pesticide Risk Assessment. World Congress of the Society of Environmental Toxicology and Chemistry. November 6-10, 2016. Orlando FL Landis WG, Ayre KK, Gaasland-Tatro L, Graham SE, Herring CR, Johns A, Markiewicz, Stinson SM, Summers H. Lessons Learned from the South River and Upper Shenandoah Series of Multiple Stressor Ecological and Human Well-being Risk. Assessments. World Congress of the Society of Environmental Toxicology and Chemistry. November 6-10, 2016. Orlando FL von Stackelberg K, Graham S, Stark JD, Landis WG. Quantitative Methods for Linking Adverse Outcome Pathways and Population Models World Congress of the Society of Environmental Toxicology and Chemistry. November 6-10, 2016. Orlando FL Landis WG, Graham S, Stark J, von Stackelberg K. Building a predictive adverse outcome pathway for mixtures of acetylcholinesterase inhibitors to estimate effects to population scale endpoints. Meeting of the Australian Chapter of the Society of Environmental Toxicology and Chemistry. Hobart, Australia 4-7 October 2016. Landis WG, Harris MJ, Graham SE, Markiewicz AJ. A Risk Based Adaptive Management Scheme for Ecological Systems Incorporating Bayesian Networks and Machine Learning. September 23, 2016. Hull University, Hull England. Landis WG, Graham SE, Stark JD, von Stackelberg KE. Building a predictive adverse outcome pathway for acetylcholinesterase Inhibitors for population scale endpoints. Annual meeting of the Pacific Northwest Chapter of SETAC. June 1-4, 2016. Bellingham WA 2016. Graham SE, Chariton AA, and Landis W.G. Predicting risk to estuary water quality and patterns of benthic environmental DNA in Queensland, Australia using Bayesian networks. Annual meeting of the Pacific Northwest Chapter of SETAC. June 1-4, 2016. Bellingham WA 2016. Gaasland-Tatro, L.A. and Landis, W.G. Ecological risk assessment for the future: using Bayesian networks to combine climate change projections in a multiple stressor risk assessment. Annual meeting of the Pacific Northwest Chapter of SETAC. June 1-4, 2016. Bellingham WA 2016. Landis WG. Black Swans, Adaptive Management and the Future of the Salish Sea. Salish Sea Ecosystem Conference 2016. April 13-15. Vancouver BC

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Graham SE, Chariton AA, and Landis W.G. Using Bayesian networks to predict water quality based on land use and climate stressors in Australia as a model for application to the Salish Sea. Salish Sea Ecosystem Conference 2016. April 13-15. Vancouver BC 2015 Harris M, Landis WG. Integrated ecological and human health risk assessment for the South River, VA. Annual Meeting of the Society for Risk Analysis. December 6-10, 2015. Arlington VA Gaasland-Tatro L, Landis WG. Integrating climate change into ecological risk assessment for contaminated sites. Annual Meeting of the Society for Risk Analysis. December 6-10, 2015. Arlington VA Landis WG, Markiewicz AJ. Wicked problems, black swans, and the use of ecological risk assessment in adaptive management Annual Meeting of the Society for Risk Analysis. December 6-10, 2015. Arlington VA Landis WG, Harris M, Stinson JM, Markiewicz AJ. Endpoints at war: using integrated human services and ecological risk assessment to evaluate trade-offs in ecological restoration and remediation. Annual Meeting of the Society of Environmental Toxicology and Chemistry. Salt Lake City, UT November 1-5, 2015 Harris M, Landis WG. Ecosystem services as risk assessment endpoints for the South River, VA. Annual Meeting of the Society of Environmental Toxicology and Chemistry. Salt Lake City, UT November 1-5, 2015. Harris M, Johns, A, Landis WG. Evaluating management actions as part of a quantitative ecological and human health risk assessment. Annual Meeting of the Society of Environmental Toxicology and Chemistry. Salt Lake City, UT November 1-5, 2015. Landis WG. Inherent bias in the terminology, guidance and methods used in environmental toxicology and risk assessment. Annual Meeting of the Society of Environmental Toxicology and Chemistry. Salt Lake City, UT November 1-5, 2015. Gaasland-Tatro, L. Landis WG. Climate Change and Ecological Risk Assessment for Contaminated Sites. Annual Meeting of the Society of Environmental Toxicology and Chemistry. Salt Lake City, UT November 1-5, 2015. Landis WG. Markiewicz AJ. One, two, too many; multiple stressors and the adaptive assessment, remediation and management of contaminated landscapes. Annual Meeting of the Society of Environmental Toxicology and Chemistry. Salt Lake City, UT November 1-5, 2015. Landis WG, Ayre, KK, Graham SE, Harris MJ, Herring C, Stinson C, Markiewicz AJ. The use of The Bayes net relative risk model as a central part of an adaptive Management program. World Congress of the Society for Risk Analysis. Singapore, Singapore. July 19-23. Landis WG, Markiewicz AJ. The Application of the Bayesian Network Relative Risk Model for Regional Risk Assessment into an Adaptive Management Scheme. Annual Meeting of the Pacific Northwest Chapter of the Society of Environmental Toxicology and Chemistry. Portland OR April 30-May 2, 2015.

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Harris MJ, Landis WG. Application of the Relative Risk Model to an Integrated Human Health and Ecological Risk Assessment for the South River, Virginia. Annual Meeting of the Pacific Northwest Chapter of the Society of Environmental Toxicology and Chemistry. Portland OR April 30-May 2, 2015. Gaasland-Tatro LA, Ahlvin TC, Landis WG. Integrating Climate Change and Toxicology in Ecological Risk Assessment for the Mercury Contaminated South River, Virginia. Annual Meeting of the Pacific Northwest Chapter of the Society of Environmental Toxicology and Chemistry. Portland OR April 30-May 2, 2015. Graham SE, Landis WG, Chariton AA. Using Benthic Community Environmental DNA in an Ecological Risk Assessment for Southeast Queensland Estuaries. Annual Meeting of the Pacific Northwest Chapter of the Society of Environmental Toxicology and Chemistry. Portland OR April 30-May 2, 2015. Kitsis G, Landis WG. Trophic Response to Multiple Stressors Using Species Sensitivity (SSD) Distribution Models. Annual Meeting of the Pacific Northwest Chapter of the Society of Environmental Toxicology and Chemistry. Portland OR April 30-May 2, 2015. 2014 Landis WG. Incorporating the reality of climate change into risk assessment, remediation, and the long-term management of ecosystem services. Annual meeting of the Society for Risk Analysis. Denver CO. December 7-10, 2014. Herring CE, Stinson J, Landis WG. Evaluating non-indigenous species eradication options in a Bayesian network derived adaptive management framework. Annual meeting of the Society for Risk Analysis. Denver CO. December 7-10, 2014. Ayre KK, Stinson JS, Landis WG. The role of risk analysis in species conservation. Annual meeting of the Society for Risk Analysis. Denver CO. December 7-10, 2014. Landis WG. Incorporating the reality of climate change into risk assessment, remediation, and the long-term monitoring of contaminated landscapes. Annual Meeting of the Society for Environmental Toxicology and Chemistry. Vancouver BC. November 9-13, 2014. Harris MJ, Landis WG. Integrating Ecological and Human Health Risk for the South River, Virginia. Annual Meeting of the Society for Environmental Toxicology and Chemistry. Vancouver BC. November 9-13, 2014. Landis WG, Ayre KK, Summers H, Herring C, Johns AF, Stingon J, Markiewicz AJ. Legacy of the South River, application of Bayesian networks to the integrated assessment and long term management of a contaminated watershed. . Annual Meeting of the Society for Environmental Toxicology and Chemistry. Vancouver BC. November 9-13, 2014. Landis WG, Ayre KK, Markiewicz. An introduction to the use of Bayesian networks in incorporating uncertainty and in facilitating water quality management. Annual Meeting of the Society for Environmental Toxicology and Chemistry. Vancouver BC. November 9-13, 2014. Landis WG. Using the relative risk model to put contaminants into context, lessons learned from twenty years. Annual Meeting of the Society for Environmental Toxicology and Chemistry. Vancouver BC. November 9-13, 2014.

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Landis WG, Harris, M. et al. Summary of the human health and ecological integrated risk assessment, South River and Upper Shenandoah. South River Science Team, Harrisonburg VA, October 8-9, 2014. Landis WG. Risk assessment applied to the long-term assessment and management of nickely mines in the tropical Pacific. Nickel Producers Environmental Research Association Advisory Group, Adelaide, Australia September 18, 2014 Landis WG, Johns AF. The use of probabilistic exposure-response in a Bayesian network regional scale risk assessment. Society of Environmental Toxicology and Chemistry Australia-Pacific 2014 meeting, Adelaide, Australia September 14-17, 2014 Landis WG, Ayre KK, Herring CE, Johns AF, Hines EE, Stinson J. Summers HA. A Tale of Two Rivers - Evaluating Restoration Methods with Bayesian Networks in the South River (VA) and Puyallup River (WA). Conference on Ecological and Ecosystem Restoration. New Orleans. LA July 28-August 1, 2014. Johns AF, Ayre KK, Stinson J, Summers HM, Landis WG. Calculating mercury risk and evaluating remediation actions using Bayesian networks for the South River, Virginia, USA. Society for Environmental Toxicology and Chemistry-Europe Annual Meeting. Basel, Switzerland May 11-15, 2014. Ayre KK, Johns AF, Stinson J, Summers HM, Landis WG. The use of Bayesian networks to calculate mercury risk to biotic and water quality endpoints of the South River, Virginia, USA . Society for Environmental Toxicology and Chemistry-Europe Annual Meeting. Basel, Switzerland May 11-15, 2014 Landis WG, Johns AF. The development and application of the probabilistic exposure-response space in describing toxicological interactions for ecological risk assessment. Society for Environmental Toxicology and Chemistry-Europe Annual Meeting. Basel, Switzerland May 11-15, 2014 Herring CE, Landis WG. Evaluating non-indigenous species eradication options in a Bayesian network derived adaptive management framework. Salish Sea Ecosystem Conference 2014. Seattle, WA. April 30-May 2, 2014 Landis WG. Transforming the weight of evidence estimation to a Bayesian network calculation. Pacific Northwest Chapter of the Society for Environmental Toxicology and Chemistry Annual meeting. Tacoma WA. April 11-12, 2014. Johns, AF; Ayre, KK, Stinson, J, Summers, HM; and Landis, WG. Calculating Mercury Risk and Evaluating Remediation Actions Using Bayesian Networks for the South River, Virginia, USA. Pacific Northwest Chapter of the Society for Environmental Toxicology and Chemistry Annual meeting. Tacoma WA. April 11-12, 2014. Herring, C.E., Stinson, J, Landis, WG. Evaluating Non-Indigenous Species Eradication Options in a Bayesian Network Derived Adaptive Management Framework. Pacific Northwest Chapter of the Society for Environmental Toxicology and Chemistry Annual meeting. Tacoma WA. April 11-12, 2014.

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Landis WG. Complex systems theory, describing ecological risk and evaluating restoration strategies using Bayesian networks: Case study of Hg contamination is the South River, Virginia, USA. JSED 2014. Muroran Institute of Technology, Muroran, Japan. March 7, 2014 2013 Johns AF, Landis WG. Analysis of the exposure-effects relationships from concentration-response curves for ecological risk assessment. Society for Risk Analysis Annual Meeting. Baltimore MD. December 8-11, 2013. Landis WG, Johns AF. No point estimates: analysis of distributions from concentration-response curves for understanding toxicity and in making risk management decisions. Society for Environmental Toxicology and Chemistry North America Annual Meeting. Nashville, TN. November 17-21, 2013. Landis WG, Ayre KK, Hines EE, Herring C, Stinson J, Summers H. A comparative approach to evaluating the risks due to multiple stressors and regional scales using Bayesian networks. Society for Environmental Toxicology and Chemistry North America Annual Meeting. Nashville, TN. November 17-21, 2013. Landis WG, Ayre KK, Markiewicz AJ, Stinson J. Quantitative risk assessment at mega-scales: lessons learned from case studies. Society for Environmental Toxicology and Chemistry North America Annual Meeting. Nashville, TN. November 17-21, 2013. Herring C, Landis WG. Evaluating Non-Indigenous Species Eradication Options in a Bayesian Network Derived Adaptive Management Framework. Society for Environmental Toxicology and Chemistry North America Annual Meeting. Nashville, TN. November 17-21, 2013. Landis WG. The exposure-response curve: a response to those advocating hypothesis testing or single point estimates. Pacific Northwest Chapter SETAC annual meeting, Spokane WA April 18-20 2013. Johns AF and Landis WG. Assessing uncertainty in response through dose-response model fitting. Pacific Northwest Chapter SETAC annual meeting, Spokane WA April 18-20 2013. Landis WG. Risk and Remediation. DuPont Risk Assessment Group. Wilmington DE. February 27, 2013 Landis WG. Regional scale risk assessment of watersheds in a landscape context. North-West University, Potchefstroom, South Africa. February 13, 2013. 2012. Landis WG. Application of the Bayesian network relative risk model to decision making for the Salish Sea. Puget Sound Partnership Science Panel Meeting, Edmonds WA December 11 2012. Ayre KK, Stinson J, Hines EE, Landis WG. Risk Assessment for a Rare Plant of the Intermountain Western United States. Society for Risk Analysis, San Francisco CA December 9-12 2012. Landis WG and Moore DRJ. The curve is the measure of toxicity. Debate: Should

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the NOEC be banned? SETAC North America, Long Beach CA, November 11-15 2012 Moore DRJ and Landis WG. Just Say No to NOELS. Debate: Should the NOEC be banned?

SETAC North America, Long Beach CA, November 11-15 2012. Landis WG. The future of risk assessment at regional scales with multiple sources, stressors and endpoints in the 21st century . SETAC North America, Long Beach CA, November 11-15 2012 Hines, EE and Landis WG. Regional risk assessment of the Puyallup River watershed and low impact development (LID) to meet management goals. SETAC North America, Long Beach CA, November 11-15 2012 Stiles, J., Landis WG. The effect of Atrazine and Roundup on Daphnia Magna. SETAC North America, Long Beach CA, November 11-15 2012. MacLeod, A, Markiewicz AJ, Landis WG. Investigation into toxicity of chemical mixtures involving organophosphate pesticides: malathion and diazinon toxicity to Daphnia Magna. SETAC North America, Long Beach CA, November 11-15 2012. Edwards, S, Hines E, Landis WG. Using a Bayesian network approach to evaluate the effectiveness of low impact development techniques in managing risk in the Puyallup River Watershed. SETAC North America, Long Beach CA, November 11-15 2012. Landis WG, Ayres KK, Summers H, The estimation, confirmation, and management of risk at multiple biological scales with multiple stressors for the South River watershed. Virginia USA. SETAC North America, Long Beach CA, November 11-15 2012 Landis WG, Ayre KK, Cains MG, Markiewicz AJ, Stinson J, Summers H, South River assessment and its use in management. South River Science Team. October 24-25, Harrisonburg VA 2012. Landis WG. Regional risk assessment applied to multiple stressors over landscapes. CSIRO Land and Water Division. Kirrawee NSW Australia. July 20, 2012. Landis WG. Application of the seven principles for ecological risk assessment under climate change to the Hg contamination and other factors of the South River watershed, Virginia USA. July 17-20 2012. Sydney Australia. Greenburg M, Haas C, Kane S, Siegrist, M. Landis WG. Risk Challenges, World Development, and Risk Analysis: An International Journal. World Congress on Risk 2012. July 17-20 2012. Sydney Australia. Landis WG. Regional risk assessment applied to multiple stressors over landscapes. July 12, 2012. Supervising Scientist Division, Department of the Environment, Water Heritage and the Arts. Darwin, Australia. Landis WG and Chapman PM. Way Past Time to Stop Using NOEL/LOELs. SETAC Australasia. Brisbane Australia. July 4-6, 2012.

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Landis WG, Ayre KK, Cains MG, Markiewicz AJ, Stinson J, Summers HM. The calculation of risks due to mercury other stressors, and climate change to multiple endpoints at a regional scale for the South River and Upper Shenandoah River, Virginia USA. SETAC Australasia. Brisbane Australia. July 4-6, 2012. Ayre KK, Summers H, Stinson J, Landis WG. Application of Bayesian networks for integrating multiple chemical and non-chemical stressors into a risk assessment using the South River, VA as a case study. 6th SETAC World Congress, Berlin Germany May 20-24, 2012. Moe SJ, Balbus J, Clements WH, Fritz A, Gouin T, Helm R, Hickey C, Hooper H, Landis WG, Stahl RG. The influence of global climate change on the scientific foundations and applications of environmental toxicology and chemistry: summary from a SETAC international workshop (July 2011). 6th SETAC World Congress, Berlin Germany May 20-24, 2012. Durda JL, Landis WG, Brooks ML, Chapman PM, Menzie CA, Stahl RG, Stauber JL. Ecological risk assessment in the context of global climate change. 6th SETAC World Congress, Berlin Germany May 20-24, 2012. Landis WG, Ayre KK, Cains MG, Markiewicz AJ, Stinson J, Summers H. The calculation of risks due to mercury and other stressors to multiple endpoints at a regional scale for the South River and Upper Shenandoah River, Virginia USA. 6th SETAC World Congress, Berlin Germany May 20-24, 2012. Chapman PM, Landis WG. Well past time to stop using NOELs and LOELs. 6th SETAC World Congress, Berlin Germany May 20-24, 2012. Landis W.G., Cains M.G., Markiewicz A.J., and Stinson J. Introduction to the calculation of risks due to mercury and other stressors to multiple endpoints for the South River and Upper Shenandoah River, Virginia and the projected outcomes of different management scenarios. Pacific Northwest Chapter of SETAC Annual Meeting. April 26-28. Vancouver, British Columbia Canada. Ayre, K.K., Summers, H.M., and Landis, W.G., The use of Bayesian network models to evaluate ecological risk from Hg contamination in the South River, Va. Pacific Northwest Chapter of SETAC Annual Meeting. April 26-28. Vancouver, British Columbia Canada. Ayre, K.K., Stinson, J, and Landis, W.G., An assessment of risk to water quality and ecological services for the South River, VA. Pacific Northwest Chapter of SETAC Annual Meeting. April 26-28. Vancouver, British Columbia Canada. Hines, E.E., Edwards, S.T., and Landis, W.G. Regional risk assessment of the Puyallup river watershed and low impact development (LID) to meet management goals. Pacific Northwest Chapter of SETAC Annual Meeting. April 26-28. Vancouver, British Columbia Canada. Brown, K.R., Landis, W.G., and Markiewicz A.J., Determining the additive, synergistic or antagonistic effects of chemical mixtures of carbaryl and malathion on Daphnia magna. Pacific Northwest Chapter of SETAC Annual Meeting. April 26-28. Vancouver, British Columbia Canada. Edwards, S.T., Hines, E.E., and Landis, W.G. Using a Bayesian network approach to evaluate the effectiveness of low impact development techniques in managing risk in the Puyallup River

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watershed. Pacific Northwest Chapter of SETAC Annual Meeting. April 26-28. Vancouver, British Columbia Canada. MacLeod, A.H. and Landis W.G. Toxicity of chemical mixtures at sub-lethal concentrations: malathion and diazinon toxicity to Daphnia magna . Pacific Northwest Chapter of SETAC Annual Meeting. April 26-28. Vancouver, British Columbia Canada. Stinson, J.M., Landis, W.G., Ayre, K.K., and Markiewicz A.J. Applications of geographic information systems to ecological risk assessment and modeling in the South River and Upper s Shenandoah River, Virginia. Pacific Northwest Chapter of SETAC Annual Meeting. April 26-28. Vancouver, British Columbia Canada. 2011 Ayre KK, Summers HM, Landis WG. The use of a Bayesian Network for the calculation of ecological risk for Hg Contamination in the South River, VA. Society for Risk Analysis Annual Meeting 2011. Charleston SC December 4-7, 2011. Landis WG, Durda J, Brooks M, Chapman PM, Menzie C., Stahl R, Stauber J. Ecological Risk Assessment in the context of global climate change. Society of Environmental Toxicology and Chemistry Annual Meeting. Boston MA November 13-17 2011. Cains MN, Landis WG. Toxicity of chemical mixtures in stormwater: malathion and benzene toxicity to Daphnia magna. Society of Environmental Toxicology and Chemistry Annual Meeting. Boston MA November 13-17 2011. Landis WG, Ayre KK, Summers H. The use of Bayesian networks to integrate population modeling, community interactions and ecosystem services. Society of Environmental Toxicology and Chemistry Annual Meeting. Boston MA November 13-17 2011. Landis WG, Chapman PM. Well past time to stop using NOELS and LOELS. Society of Environmental Toxicology and Chemistry Annual Meeting. Boston MA November 13-17 2011. Summers H. Ayre KK, Stinson J, Landis WG, Cains M. The use of Bayesian network to modeled the risk of mercury contamination to the fish and other vertebrates in the South River, VA. Society of Environmental Toxicology and Chemistry Annual Meeting. Boston MA November 13-17 2011. Landis WG, Ayre KK, Cains M, Markiewicz A, Stinson J, Summers H. Integrated multiple stressor regional risk assessment for the South River and Upper Shenandoah River, VA, Society of Environmental Toxicology and Chemistry Annual Meeting. Boston MA November 13-17 2011. Markiewicz AJ, Landis WG. Assessing ecological threats/risks at a basin scale to Puget Sound using the relative risk method. Salish Sea Conference, Vancouver BC. October 25-27, 2011. Landis WG, Ayre KK, Cains M, Markiewicz AJ, Stinson J, Summers H. The use of the relative risk model and Bayesian networks for the calculation of risk for the South River VA. South River Science Team fall meeting, Harrisonburg VA. October 10-11 2011.

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Landis WG, Ayre KK, Cains M, Markiewicz A, Stinson J, Summers H. The use of the relative risk model and Bayesian networks for the calculation of risk for the Hg contamination in the South River VA. 2011 Aquatic Toxicology Workshop, Winnipeg Manitoba October 2-5, 2011. Landis WG, Chapman PM. Well past time to stop using NOELs and LOELs. . 2011 Aquatic Toxicology Workshop, Winnipeg Manitoba October 2-5, 2011. 2010 Landis WG. Global Climate Change, Environmental Toxicology and Regional Risk Assessment Society of Environmental Toxicology and Chemistry Annual Meeting. Portland OR November 7-11 2010. Landis WG, Markiewicz, AM, Stinson S. Ayre KK, McCullough, S, Sloan-Evans ST, Gavin N, Greyell C. A watershed based regional risk assessment for the South River, VA using Bayesian networks. Society of Environmental Toxicology and Chemistry Annual Meeting. Portland OR November 7-11 2010. Ayre KK, Landis WG, Stinson J, Caldwell C. Population Scale Ecological Risk Assessment for Whirling Disease in Cutthroat trout of the American Southwest. Society of Environmental Toxicology and Chemistry Annual Meeting. Portland OR November 7-11 2010. Landis WG. Microplastics in the Marine Environment-Risk Assessment as an Organizational and Decision Making Framework. Second Research Workshop on Microplastic Debris. Tacoma WA, November 5-6, 2010. Landis WG, Markiewicz, AM, Stinson S. Ayre KK, McCullough, S, Sloan-Evans ST, Gavin N, Greyell C. The use of risk assessment to construct a watershed decision and management framework. South River Science Team Expert Panel Meeting, Harrisonburg, VA October 5-6, 2010 Landis WG, Ayre KK, Markiewicz AJ. Landscape risk assessment as a science-polity integrative tool for environmental management. 91st Annual Meeting of the Pacific Division of AAAS. Ashland OR June 15, 2010. Landis WG. Risk Business…Integrating science-policy to manage the environment. Louisiana State University, Department of Environmental Sciences 25th Anniversary talk, Baton Rouge LA April 30, 2010. Landis WG. Ayre, KK, Markiewicz AJ, Stinson J, McCullough S. South River Ecological Risk Assessment. South River Science Team conference, William and Mary College, Williamsburg VA April 23, 2010. 2009 Ayre KK, Caldwell C, Stinson J, Landis WG. A Bayesian network based risk assessment for whirling disease on populations of Colorado River cutthroat trout in watersheds of the southwestern United States. Annual Meeting Society for Risk Analysis, Baltimore MD December 6-9, 2009.

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Landis WG and Markiewicz AJ. Regional and Landscape Risk Assessment as a Science-Policy Integrative Tool for Managing Human-Dominated Systems. Society of Environmental Toxicology and Chemistry Annual Meeting. New Orleans LA November 13-17 2009. Landis WG. Regional Scale Integration of Human Health and Ecological Risk Assessment. Society of Environmental Toxicology and Chemistry Annual Meeting. New Orleans LA November 13-17 2009. Landis WG and Ayre KK. Risk Based Bayesian Networks as a Tool for Determining Environmental Conditions for Disaster Restoration. Society of Environmental Toxicology and Chemistry Annual Meeting. New Orleans LA November 13-17 2009. Landis WG. The Big Picture….and Natural Resource Assessment and Recovery. Society for Ecological Restoration International World Congress on Ecological Restoration, Perth Australia August 23-27, 2009 Landis WG. Kolb Ayre K , Bryant PT, Kaminski LA, Stinson J, Caldwell CA. Southwest regional risk assessment for whirling disease in native salmonids. American Fisheries Society Western Division Annual Meeting. Albuquerque NM May 3-7 2009. Landis WG. Beyond contaminated sites, the management/reconstruction of ecological structures. Dupont Company, Wilmington DE April 27, 2009. Landis WG and Markiewicz AJ. Regional Risk Assessment as an Organizational and Decision Making Tool for Managing Puget Sound. 2009 Puget Sound Georgia Basin Ecosystem Conference. Seattle WA February 9-11 2009. Seebach A. and Landis WG. Ecological Risk Assessment Uncertainty Reduction by Mapping the Nearshore Habitats of Cherry Point, Washington. 2009 Puget Sound Georgia Basin Ecosystem Conference. Seattle WA February 9-11 2009. Landis WG. Kolb Ayre K , Bryant PT, Kaminski LA, Stinson J, Caldwell CA. An ecological risk assessment tool for calculating the risk of infection by whirling disease on imperiled populations of cutthroat trout. 15th Annual Whirling Disease Symposium, Denver, Colorado, February 4-5, 2009 2008 Landis WG. Beyond contaminated sites, ecological risk assessment as the default environmental evaluation and management tool. Society for Risk Analysis Annual Meeting. Boston MA December 8-11, 2008. Landis WG, Kaminski LA, Bryant PT and Caldwell, CA. An ecological risk assessment of the impact of whirling disease on populations of Rio Grande cutthroat trout in the southwestern United States. Society for Risk Analysis Annual Meeting. Boston MA December 8-11, 2008. Landis WG. The Big Picture….and NRDAR. Society of Environmental Toxicology and Chemistry North America annual meeting. Tampa FL, November 17-20 2008. Landis WG, Peter T. Bryant and Laurel A. Kaminski. No Eco in Ecotoxicology without Context: Alterations in Population Age Structure, Dynamics and Spatial interactions. Society of

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Environmental Toxicology and Chemistry North America annual meeting. Tampa FL, November 17-20 2008. Maginnis CM and Landis WG. Using the Relative Risk Model for Managing Water Quality with Multiple Types of Stressors and Sources using Lake Whatcom, Washington as a Case Study. Society of Environmental Toxicology and Chemistry North America annual meeting. Tampa FL, November 17-20 2008. Landis WG. Can ASTM Standard Methods be Applied to Managing Cherry Point, WA and the Marine Reserve? Society of Environmental Toxicology and Chemistry North America annual meeting. Tampa FL, November 17-20 2008. Landis WG Jessica A. Ellis,, Amy Jewel, Laurel A. Kaminski, April J. Markiewicz and Laura Sellens. Regional Ecological Risk Assessment at Landscape Scales for the Management of Native and Invasive Species. Society of Environmental Toxicology and Chemistry World Congress, Sydney Australia, August 4, 2008. Landis WG. Regional Scale Ecological Risk Assessment Applied to Natural Resource Management. CSIRO Division of Mathematical and Information Sciences, Hobart Tasmania, Australia, August 1, 2008. Landis WG. Regional Scale Ecological Risk Assessment Applied to Natural Resource Management. CSIRO Cleveland, Hobart, Australia, July 31 2008 Landis WG Uncertainty and the RRM model. Australian Center for Environmental Risk Assessment Uncertainty Analysis Workshop. University of Melbourne, Melbourne Australia July 26, 2008 Landis WG. Regional scale risk assessment in a landscape context. Joint Society for Risk Analysis, Society of Environmental Toxicology, Harvard School of Risk Analysis seminar, School of Public Health, Harvard University Boston MA. February 14, 2008. Landis WG. Regional scale risk assessment of watersheds in a landscape context. Dupont. Wilmington DE February 13, 2008. Landis WG. Regional Scale Ecological Risk Assessment. University of Nevada Reno. February 4, 2008. Used Distance Learning Center for presentation. Landis WG, J Ellis, L. Kaminski and A. Markiewicz. Regional scale risk assessment of watersheds in a landscape context. National Center for Environmental Assessment and Synthesis Workshop on USGS Aquatic Gap Analysis Program Santa Barbara CA January 14-17 2008 2007 Landis WG and Bryant PT. Application of population modeling to establish causality using Pacific herring in Puget Sound as a model system. Society for Risk Analysis Annual Meeting, San Antonio TX, December 9-12, 2007. Sellens LJ, Jewell AT, Markiewicz AJ and Landis WG. Risk Evaluation of Invasive Species Transport Across the U.S. – Canada Border in Washington State. Society for Risk Analysis Annual Meeting, San Antonio TX, December 9-12, 2007.

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Landis WG, Bryant PF, Hershberger PK. Analysis of the Decline of Puget Sound Pacific Herring Stocks: Toxics, Urbanization, Climate Change or Disease? Society of Environmental Toxicology and Chemistry North America Annual Meeting, Milwaukee, WI. November 11-15, 2007 Landis WG. Ellis JE, Kaminski LA and Maginnis CM. Regional assessments of adjacent urbanized watersheds surrounding Bellingham, Washington USA. Society of Environmental Toxicology and Chemistry North America Annual Meeting, Milwaukee, WI. November 11-15, 2007 Landis WG, Bryant PF, Hershberger PK. Application of causal analysis and population modeling to evaluate the decline of the Pacific herring (Clupea pallasi) stocks in Puget Sound, USA. Norwegian Institute for Water Research, Oslo, Norway, October 3 2007. Landis WG. Landscape and regional ecological level risk assessment using the relative risk model. University of Oslo, Oslo Norway October 3, 2007. Maginnis C, Landis WG. An Integrated Ecological and Human Health risk model for Lake Whatcom, a multiple-use water supply in Whatcom County WA. 2007 Georgia Basin Puget Sound Research Conference, Vancouver, British Columbia March 26–29, 2007. Best Graduate Student Platform presentation Sellens LJ. , Jewell A, Markiewicz AJ, Landis WG, Risk evaluation of invasive species transport across the U.S. -- Canada border in Washington State. 2007 Georgia Basin Puget Sound Research Conference, Vancouver, British Columbia March 26–29, 2007

Landis WG. Application of population modeling to identify the Eastern Pacific Decadal Oscillation as a factor in the decline the Cherry Point Pacific herring (Clupea pallasi) stock. 2007 Georgia Basin Puget Sound Research Conference, Vancouver, British Columbia March 26–29, 2007 Kaminski LA, Ellis JA, Landis WG. Integration of Ecological Risk Assessment and the Gap Analysis Project to Assess Risk to Smolt Production in Developed Watersheds. 2007 Georgia Basin Puget Sound Research Conference, Vancouver, British Columbia March 26–29, 2007 Anderson S. Christensen S. Markiewicz AJ, Landis WG. Ecological Risk Assessment of the Interior Landscape Analysis System Project Area (INLAS): A Pilot Study. 2007 Georgia Basin Puget Sound Research Conference, Vancouver, British Columbia March 26–29, 2007 Landis WG. The Application of Population Modeling to Establish Causality Using Puget Sound Pacific Herring (Clupea Pallasi) as a Model System. Pacific Northwest Chapter of SETAC, Port Townsend WA, April 12, 2007 Landis WG. New Paradigms, Old Problems and Normative Science in Ecological Toxicology and Risk Assessment. Keynote address Joint Midwest Chapter of SETAC and Chicago Regional Chapter of SRA Annual Meeting. Argonne IL March 15, 2007. 2006 Landis WG. Anderson SM, Sellens LJ, Markiewicz AJ. The adaptation of regional scale ecological risk assessment for natural resource decision making. Society for Risk Analysis Annual Meeting, Baltimore MD, December 3-6, 2006.

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Maginnis C, Landis WG. Screening level integrated ecological and human health risk assessment for Lake Whatcom. Society for Risk Analysis Annual Meeting, Baltimore MD, December 3-6, 2006. Landis WG, Sellens LJ. Interplay between contamination and the establishment of invasive species or genetically modified organisms at population and landscape scales. Society of Environmental Toxicology and Chemistry North America Annual Meeting, Montreal, Canada November 6-9 2006. Landis WG, Markiewicz AJ. The future of risk assessment, the modeling of risk landscapes and the management of ecological structures. Society of Environmental Toxicology and Chemistry North America Annual Meeting, Montreal, Canada November 6-9, 2006. Landis WG, Markiewicz AJ. Causative pathway-weight of evidence as a quantifiable process tied to the analysis of causality and scalable across biological and landscape scales. Society of Environmental Toxicology and Chemistry North America Annual Meeting, Montreal, Canada, November 6-9, 2006. Landis WG, Kaminski LA. Patterns of population dynamics as important endpoints for ecological risk assessments. Society of Environmental Toxicology and Chemistry North America Annual Meeting, Montreal Canada November 6-9, 2006.

Landis WG. Receptors to populations as parts of complex systems. Arkansas State University, Jonesboro, AK. October 11, 2006. Landis WG, Measuring sustainability for the long-term management of ecological services. Third International Conference on Environmental Enhancement and Sustainable Development. Hohhot, Inner Mongolia, PR China. August 4-8, 2006. Landis WG. Codorus Creek to the Androscoggin River, a comparison of risk assessments in the LTRWS Program. National Council for Air and Stream Improvement Northeastern Regional Meeting, Portland ME May 16, 2006. Landis WG, Kaminski, LA, Patterns in age structure, the normalized effects vector, and the application to diagnostic and predictive population scale risk assessments. Society of Environmental Toxicology and Chemistry-Europe Annual Meeting, The Hague Netherlands, May 7-11, 2006 Chen VC, Landis WG, Preliminary Ecological Risk Assessment of the Lower Androscoggin River Watershed in Maine. Pacific Northwest Chapter of Society of Environmental Toxicology and Chemistry Annual Meeting, April 14-15, 2006 Port Townsend, WA. Kaminski LA, Landis WG. Small Scale Landscape Risk Assessment for Freshwater Salmonid Production in Whatcom County. Pacific Northwest Chapter of Society of Environmental Toxicology and Chemistry Annual Meeting, April 14-15, 2006 Port Townsend, WA. Landis WG, Chen VC, Colnar AM, Deines AM, Kushima G, Markiewicz AJ, Pfingst A, Ananda Seebach A and Sellens LJ. Ecological Risk Assessment and Decision Making for Large Spatial

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and Temporal Scales. New Mexico State University Invited Seminar, Las Cruces NM. Feb 13 2006. 2005 Pfingst, AJ, Chen VC, Landis WG. Relative Risk Assessment of the Androscoggin River Watershed in Maine and New Hampshire. Annual Meeting Society for Risk Analysis. Orlando FL December 6-9 2005. Landis WG, Colnar AJ, Kaminski A, Kushima G, Seebach, A. Ecological Risk Assessment of Four Invasive Species at Landscape Scales. Annual Meeting Society for Risk Analysis. Orlando FL December 6-9 2005. Landis, WG, Colnar, A, Kaminski, A, Kushima, G, Seebach, A, Invasive species ecological risk assessment methodology at landscape scales. Annual Meeting Society of Environmental Toxicology and Chemistry, November 13-17, 2005. Baltimore, MD

Sellens, L, Landis, WG. Environmental risk assessment of genetic drift in genetically modified creeping bentgrass (Agrostis stolonifera L.). Annual Meeting Society of Environmental Toxicology and Chemistry, November 13-17, 2005. Baltimore, MD

Kaminski, L, Landis, WG. An alternative population level endpoint for use in ecological risk assessment. Annual Meeting Society of Environmental Toxicology and Chemistry, November 13-17, 2005. Baltimore, MD. Landis, W G., Markiewicz, A. Ecological risk assessment comparison, British Columbia Canada and the Northwestern United States. Annual Meeting Society of Environmental Toxicology and Chemistry, November 13-17, 2005. Baltimore, MD. Pfingst, A, Chen, V, Landis WG. Relative Risk Assessment of the Androscoggin River Watershed in Maine and New Hampshire. Annual Meeting Society of Environmental Toxicology and Chemistry, November 13-17, 2005. Baltimore, MD. Landis, WG. Overview, update and discussion on landscape and regional ecological risk assessment using the relative risk model. State-Of-The-Science Review of Probabilistic Regional Risk Assessment Methodologies for Eastern and Western Wildlands sponsored by the USFS. Portland, Oregon September 20, 2005. Landis, WG, Pfingst A, and Chen V. Update on the Androscoggin River Risk Assessment Project. NCASI LTRWS Science Advisory Panel meeting, September 15, 2005. Alexandria VA. Landis WG and Sellens, L. Ecological risk assessment for glyphosate resistant bentgrass. Invited talk USEPA ORD Corvallis, September 1, 2005. Landis, W. G., A. J. Markiewicz, A. Colnar, G. Kushima, A. Pfingst, A. Seebach. Ecological Risk Assessment and Decision Making for Large Spatial and Temporal Scales. British Columbia Ministry of Water, Land and Air Protection, April 20, 2005. Victoria, BC. Landis, W. G. The Selection of Assessment Endpoints for Population and Regional Scale Ecological Risk Assessments and Restoration. Pacific Northwest Chapter of Society of

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Environmental Toxicology and Chemistry Annual Meeting, April 14-16, 2005 Port Townsend, WA. Sellens, L., W. G. Landis. Conceptual Model for Environmental Risk Assessment of Genetic Drift in GM Creeping Bentgrass (Agrostis stolonifera) in Eastern Oregon. Pacific Northwest Chapter of Society of Environmental Toxicology and Chemistry Annual Meeting, April 14-16, 2005 Port Townsend, WA. Pfingst, A. and Landis, W. G. Relative Risk Assessment of the Androscoggin River Watershed in Maine and New Hampshire: Conceptual Model and Preliminary Results Pacific Northwest Chapter of Society of Environmental Toxicology and Chemistry Annual Meeting, April 14-16, 2005 Port Townsend, WA. Seebach, A. W. G. Landis. ERA Uncertainty Reduction by Mapping the Nearshore Habitats of Cherry Point, Washington, U.S.A. 2005 Puget Sound Georgia Basin Research Conference, March 29-31, 2005. Seattle, WA Colnar, A.,W. G. Landis. Regional risk assessment of the European green crab, Carcinus maenas, in Cherry Point, Washington. 2005 Puget Sound Georgia Basin Research Conference, March 29-31, 2005. Seattle, WA

2004 M. Deines, V. Chen, W. G. Landis. Modeling the risks of non-indigenous species introductions using a patch dynamics approach incorporating contaminant effects. Annual Meeting of the Society of Risk Analysis, December 6-8 2004. Palm Springs, CA. Selected best paper for the meeting. Landis, W. G., A. M. Colnar, A. M. Deines, A. J. Markiewicz. Landscape scale ecological risk assessment of invasive species. Annual Meeting of the Society of Risk Analysis, December 6-8 2004. Palm Springs, CA. Landis, W. G. Landscape and regional ecological risk assessment using the relative risk model. Annual Meeting of the Society of Risk Analysis, December 6-8 2004. Palm Springs, CA. Harper-Arabie, R.M. and Landis, W.G. Environmental Toxicology at Western Washington University. Annual Meeting and World Congress Society of Environmental Toxicology and Chemistry, November 14-18, 2004. Portland, OR. Seebach, A. and Landis, W.G. ERA Uncertainty Reduction by Mapping the Nearshore Habitats of Cherry Point, Washington, U.S.A. Annual Meeting and World Congress Society of Environmental Toxicology and Chemistry, November 14-18, 2004. Portland, OR. Landis, W.G., Colnar, A.M. and Markiewicz, A.J. Conceptual model for the regional and landscape risk assessment of invasive species. Annual Meeting and World Congress Society of Environmental Toxicology and Chemistry, November 14-18, 2004. Portland, OR. Landis, W.G. Indirect effects, patch dynamics and complexity theory and their application to landscape scale ecological risk assessment. Annual Meeting and World Congress Society of Environmental Toxicology and Chemistry, November 14-18, 2004. Portland, OR. Deines, A.M. and Landis, W.G. Modeling non-indigenous species introductions using a patch-

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dynamics approach incorporating contaminant effects. Annual Meeting and World Congress Society of Environmental Toxicology and Chemistry, November 14-18, 2004. Portland, OR. Kushima, G., Markiewicz, A., Schuler, A., Hayes, E.H. and Landis, W.G. Cherry Point Regional Risk Assessment Model: A Risk Management Tool. Annual Meeting and World Congress Society of Environmental Toxicology and Chemistry, November 14-18, 2004. Portland, OR. Kushima, G., Markiewicz, A. and Landis, W.G. Application of Life Cycle Assessment to Wastewater Treatment Systems. Annual Meeting and World Congress Society of Environmental Toxicology and Chemistry, November 14-18, 2004. Portland, OR. Pfingst, A.J. and Landis, W.G. Conceptual model development for a multiple stressor landscape scale ecological risk assessment for the Androscoggin River, Maine. Annual Meeting and World Congress Society of Environmental Toxicology and Chemistry, November 14-18, 2004. Portland, OR Colnar, A.M. and Landis, W.G. Regional risk assessment of the European green crab (Carcinus maenas) in Cherry Point, Washington. Annual Meeting and World Congress Society of Environmental Toxicology and Chemistry, November 14-18, 2004. Portland, OR Landis, WG. My Most Annoying Things; NOEC, Reference Sites and the Misunderstanding of Man’s Place in Nature. 13th Annual PNW-SETAC Meeting on. April 15-17, 2004. Fort Worden, Port Townsend, WA Landis WG, Deines A, Colnar A. General Conceptual Model for the Regional and Landscape Risk Assessment for Invasive Species. 13th Annual PNW-SETAC Meeting on. April 15-17, 2004. Fort Worden, Port Townsend, WA Landis WG, Deines A, Colnar A. Regional and Landscape Risk Assessment for Invasive Species. 19th Annual Symposium of the United States Regional Association of the International Association for Landscape Ecology: March 30-April 2 2004. Las Vegas, NV. 2003 Landis, W. G., E. Hart Hayes, A. Schuler and A.J. Markiewicz. Use of the relative risk model regional risk assessment as a predictive tool for environmental decision-making. SETAC North America 24th 2003 Annual Meeting, November 9-11, Austin TX Landis, W. G. The hierarchical patch dynamics paradigm (HPDP) as a multiscale framework for landscape and regional and scale ecological risk assessment. SETAC North America 24th 2003 Annual Meeting, November 9-11, Austin TX Landis, W. G. Assignment of causality using a probabilistic weight-of-evidence approach in retrospective assessments. SETAC North America 24th 2003 Annual Meeting, November 9-11, Austin TX Chapman, P F; Brassfield, S; Carlsen, T; Elmegaard, N; Landis, WG; Moe, S; Nacci, D; Spromberg, J; Noel, H. Empirical Approaches to Population Level Ecological Risk Assessment and its Relationship to Mathematical Modeling. Interactive poster discussion presentation. SETAC North America 24th 2003 Annual Meeting, November 9-11, Austin TX Landis, W. G., E. Hart Hayes and A.J. Markiewicz. Regional Ecological Risk Assessment as an

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Interactive Management Tool Applied to the Coastal Region of Cherry Point, WA. Estuarine Research Federation Biannual Meeting 2003, September 14-18, Seattle WA. Landis, W. G. Quantitative Weight of Evidence Approach in Establishing Causal Linkages for the Decline Of The Cherry Point, WA Pacific Herring. 12th Annual PNW-SETAC Meeting on “Contributions of Environmental Toxicology and Chemistry to Pacific Northwest Resource Management”. April 17-19, 2003. Fort Worden, Port Townsend, WA Landis, W. G. Location, habitat spatial context and history in the evaluation of causation. ASTM Symposium on Landscape Ecology and Wildlife Habitat Evaluation: Critical Information for Ecological Risk Assessment, Land-Use Management Activities, and Biodiversity Enhancement Practices. April 7-9, 2003. Kansas City, KS. Landis, W. G., E. Hart Hayes and A.J. Markiewicz. Weight of Evidence and Path Analysis Applied to the Identification of Causes of the Cherry Point Pacific Herring Decline. 2003 Georgia Basin-Puget Sound Research Conference. May 31-April 3.Vancouver, BC. 2002 Landis, W. G. Population is the Necessary Unit of a Species Specific Risk Assessment. Landis, WG. SETAC North America 23rd Annual Meeting, November 15-20, 2002, Salt Lake City, Utah. Landis, W. G, Hart Hayes, E., and Markiewicz, AM. Overlapping Spatial and Temporal Scales in Modeling Landscape Risk. SETAC North America 23rd Annual Meeting, November 15-20, 2002, Salt Lake City, Utah. Landis, W. G. Landscape level risk assessment and confirmation. Seminar USEPA Corvallis Laboratory, October 28, 2002, Corvallis, OR Landis, W. G. E. Hart Hayes, and A. M. Markiewicz Overlapping Spatial and Temporal Scales in Modeling Landscape Risk. Aquatic Toxicity Workshop, October 20-23, 2002, Whistler, BC Canada Landis, W. G. Quantitative Weight of Evidence Approach in Estimating Causal Linkages in Aquatic Systems. Aquatic Toxicity Workshop, October 20-23, 2002, Whistler, BC Canada Landis, W. G. Invited Speaker. Ecological risk assessment conceptual model formulation for non-indigenous species. Annual Meeting Ecological Society of America. August 4-8,2002. Tucson, AZ. Landis, W. G. A Monte Carlo Approach to herring weight of evidence. 2002 Herring Summit And Pacific Coast Herring Workshop June 11-13, 2002 Bellingham, Washington Landis, W. G. Keynote Address: The Western Frontier-The future of risk prediction and the management of ecological systems. SETAC Europe 12th Annual Meeting, 12-16 May 2002, Vienna, Austria. Landis, W. G. Appropriate landscape scales for ecological risk assessments. SETAC Europe 12th Annual Meeting, 12-16 May 2002, Vienna, Austria. Markiewicz, A.J., Hart Hayes, E. and Landis, W.G. Regional risk assessment of a marine habitat: Cherry Point, Washington. SETAC Europe 12th Annual Meeting, 12-16 May 2002,

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Vienna, Austria Landis, W.G. Chen, J.C., Duncan, A.B., Luxon, M.A., Markiewicz, A.J., Moraes, R., Obery, A.M., Thomas, J.F., Walker, R., and Wiegers, J.K. Assessing landscape level ecological risks using the relative risk model. SETAC Europe 12th Annual Meeting, 12-16 May 2002, Vienna, Austria Landis, W. G. Space, Time and Landscape in Environmental Toxicology. Invited seminar speaker, UC Davis Toxicology Program, March 6, 2002. 2001 Landis, W. G., Markiewicz, April J., Thomas, Jill F., Hart Hayes, Emily and Duncan, Bruce. 2001. What Scales Count? The Cherry Point Case Study. Society for Risk Analysis Annual Meeting, December 2-5, 2001, Seattle, WA. Thomas, Jill F., Obery, Angie M and Landis, W. G. 2001. Use of a Relative Risk Model Ecological Risk Assessment as a Predictive Model for Decision-making. Society for Risk Analysis Annual Meeting, December 2-5, 2001, Seattle, WA.

Thomas, Jill F., Bodensteiner, Leo R., Hall, Tim J., Obery, Angie M. and Landis, W. G. 2001. Confirmation of a Relative Risk Model Ecological Risk Assessment Using Multivariate Statistics. Society for Risk Analysis Annual Meeting, December 2-5, 2001, Seattle, WA. Landis, W.G. Chen, J.C., Duncan, A.B., Luxon, M.A., Markiewicz, A.J., Moraes, R., Obery, A.M., Thomas, J.F., Walker, R., * and Wiegers, J.K. Assessing landscape level ecological risks using the relative risk model. Society for Risk Analysis Annual Meeting, December 2-5, 2001, Seattle, WA. Landis, W. G., Markiewicz, April J., Thomas, Jill F., Hart Hayes, Emily and Duncan, Bruce. 2001. What Scales Count? The Cherry Point Case Study. Platform Presentation at the 22nd Annual Meeting in North America of the Society of Environmental Toxicology and Chemistry (SETAC), November 11-15, 2001, Baltimore, MD. Markiewicz, April J., Hart Hayes, Emily, and Landis, W. G. 2001. Ecological Risk Assessment of a Marine Environment: Cherry Point, WA. Poster Presentation at the 22nd Annual Meeting in North America of the Society of Environmental Toxicology and Chemistry (SETAC), November 11-15, 2001, Baltimore, MD. Chen, Joy C. and Landis, W. G. 2001. Multiple Physical and Chemical Stressor Risk Assessment for the Squalicum Creek Watershed. Platform Presentation at the 22nd Annual Meeting in North America of the Society of Environmental Toxicology and Chemistry (SETAC), November 11-15, 2001, Baltimore, MD.

Thomas, Jill F., Obery, Angie M and Landis, W. G. 2001. Use of a Relative Risk Model Ecological Risk Assessment as a Predictive Model for Decision-making. Poster Presentation at the 22nd Annual Meeting in North America of the Society of Environmental Toxicology and Chemistry (SETAC), November 11-15, 2001, Baltimore, MD.

Thomas, Jill F., Bodensteiner, Leo R., Hall, Tim J., Obery, Angie M. and Landis, W. G. 2001. Confirmation of a Relative Risk Model Ecological Risk Assessment Using Multivariate Statistics.

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Platform Presentation at the 22nd Annual Meeting in North America of the Society of Environmental Toxicology and Chemistry (SETAC), November 11-15, 2001, Baltimore, MD. Landis, W. G. Modeling the population dynamics of the Pacific herring in the context of toxic and other stressors. Pacific Northwest Chapter of the Society of Environmental Toxicology and Chemistry Annual Meeting, Coer de Lane, ID. April 13, 2001. Landis, W. G. April J. Markiewicz, Jill F. Thomas, Emily Hart Hayes and P. Bruce Duncan. Regional Risk Assessment Predictions for the Decline and Future Management of the Cherry Point Herring Stock and Region. Puget Sound Research Conference, Bellevue, WA. February 12-14, 2001. 2000 Obery, A. M. and W. G. Landis. Application of the relative risk model for Codorus Creek watershed relative ecological risk assessment: an approach for multiple stressors. 21st Annual Meeting of the Society of Environmental Toxicology and Chemistry, Nashville, TN November 11-16, 2000. Markiewicz, A. J., R. LaCroix, M. A. Macrander, and W.G. Landis, Derivation of site-specific BTEX action levels for Whatcom Cr, Bellingham, WA. 21st Annual Meeting of the Society of Environmental Toxicology and Chemistry, Nashville, TN November 11-16, 2000. Landis, W. G., Lenart, L. A. The Effects of Patch Size, Arrangement and Configuration on the Propagation of Toxicant Effects in a Landscape. 21st Annual Meeting of the Society of Environmental Toxicology and Chemistry, Nashville, TN November 11-16, 2000. Landis, W. G., Obery, A. M., Thomas, J. F., Walker, R. Landscape Toxicology and the Development of Regional Risk Assessment. 21st Annual Meeting of the Society of Environmental Toxicology and Chemistry, Nashville, TN November 11-16, 2000. Landis, W. G., Lenart, L. A., Spromberg, J. A. Risks Due to Horizontal and Vertical Transfer of Novel Genetic Elements. 21st Annual Meeting of the Society of Environmental Toxicology and Chemistry, Nashville, TN November 11-16, 2000. Landis, W. G. Eulogy for the reference site. 21st Annual Meeting of the Society of Environmental Toxicology and Chemistry, Nashville, TN November 11-16, 2000. Landis, W. G. Eulogy for the reference site. Pacific Northwest Chapter of the Society of Environmental Toxicology and Chemistry Annual Meeting, Olympia, WA. May 12, 2000. Landis, W. G., Matt Luxon, Angela Obery Leo Bodensteiner and John F. McLaughlin. Development of a Relative Risk Methodology for Multiple Stressors at Regional Scales. International Association for Landscape Ecology Annual Meeting, Ft. Lauderdale, FL. April 16-19, 2000 Landis, W. G. and J. F. McLaughlin, If Not Recovery, Then What? Tenth ASTM Symposium Environmental Toxicology and Risk Assessment: Science, Policy and Standardization-Implications for Environmental Decisions. Toronto, Canada April 10-12, 2000. Luxon, M. A. and W. G. Landis. Development and utility of the relative risk model in the assessment and management of freshwater systems. Tenth ASTM Symposium

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Environmental Toxicology and Risk Assessment: Science, Policy and Standardization-Implications for Environmental Decisions. Toronto, Canada April 10-12, 2000 Landis, W. G. Biomarkers and Bio-indicators: Extrapolation from molecular markers to population and ecological effects. Symposium on the Use of Biomarkers in Environmental Risk Assessment. Portland, Oregon, January 10, 2000. 1999 McLaughlin, J.F. and W.G. Landis. Forecasting Ecological Sustainability Using Dynamic Risk Models. Society for Risk Analysis 1999 Meeting. Atlanta, GA December 5-8, 1999 Landis, W. G., L. M. Oakes, L. M. Macovsky. Spatially Explicit Population Models for Risk Assessment. Society for Risk Analysis 1999 Meeting. Atlanta, GA December 5-8, 1999 Oakes, L. M., L. M. Macovsky, W. G. Landis, and J. F. McLaughlin. Three Spatially Explicit Patch Dynamic Models, the Incorporation of Life Stages and Regional Risk Assessment. 1999 SETAC Annual Meeting, Philadelphia, PA. November 14-18, 1999. Landis, W. G., M. Luxon, M., J. Klacan, L. R. Bodensteiner, Regional-Scale Risk Assessment with Confirmational Sampling for the Willamette and McKenzie Rivers, Oregon. 1999 SETAC Annual Meeting, Philadelphia, PA. November 14-18, 1999. Landis, W. G., J. F. McLaughlin, Sustainability Defined in a Risk Assessment Framework for Multiple Scales. 1999 SETAC Annual Meeting, Philadelphia, PA. November 14-18, 1999. McLaughlin, J.F. And W. G. Landis. A Quantitative Framework For Predicting Ecological Sustainability. Annual Meeting of the Ecological Society of America. Spokane, WA. August 1999. Landis, W. G. and J. F. McLaughlin. Risky Sustainability. 1999 Pacific Northwest SETAC Meeting, Vancouver, BC. May 1999. Landis, W. G. Paradigm Lost, and Maybe Found: The Risk Assessment of Dynamic, Nonlinear and Historical Ecological Landscapes. Department of Zoology, Michigan State University, An Arbour, February 1999. 1998 Lenart, L.A, W. G. Landis, Dose-response curves and patch arrangement: implications for field extrapolations and risk assessment. SETAC Annual Meeting, Charlotte, NC November 14-18, 1998. Landis, W. G. Application and significance of nonequilibrium ecological dynamics in ecological risk assessment. . SETAC Annual Meeting, Charlotte, NC November 14-18, 1998. McLaughlin, J.F., W. G. Landis, Applying Ecosystem Valuation to Regional Ecological Risk Assessment and Management. SETAC Annual Meeting, Charlotte, NC November 14-18, 1998 Landis, W. G. Application and significance of nonequilibrium ecological dynamics in ecological risk assessment. SETAC Annual Meeting, Charlotte, NC November 14-18, 1998.

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Landis, W.G., Lenart, L., Macovsky, L.R., Institute of Environmental Toxicology and Chemistry, McLaughlin, J.F., Application of patch and metapopulation dynamics to the understanding of risks at a landscape level. SETAC Annual Meeting, Charlotte, NC November 14-18, 1998. Anderson, M.S., and W. G. Landis ,Interaction between landscape forms, the impacts of contaminants, and other stresses. . SETAC Annual Meeting, Charlotte, NC November 14-18, 1998. Landis, W. G. Keynote Address-Paradigm Lost, and Maybe Found; The Risk Assessment of Dynamic, Non-linear and Historical Ecological Landscapes. Symposium on the Ecological Risk Assessment of Environmental Endpoints, University of Auckland, Auckland, New Zealand. October 28-29, 1998. Landis, W. G., L. R. Bodensteiner and J. F. McLaughlin. The Relative Rank Risk Model for Regional-Scale Risk Assessment and Potential Applications in Freshwater and Terrestrial Systems. Symposium on the Ecological Risk Assessment of Environmental Endpoints, University of Auckland, Auckland, New Zealand. October 28-29, 1998. Lenart, A. and W. G. Landis. Dose response curves and patch arrangement: implications for field and risk assessment. SETAC Symposium on Ecosystem Vulnerability, Bel Harbor, WA. August 17-20, 1998. Landis, W. G., L. Lenart, L. R. Macovsky and J. F. McLaughlin. Application of patch and metapopulation dynamics to understanding toxicant impacts at a landscape level. SETAC Symposium on Ecosystem Vulnerability, Bel Harbor, WA. August 17-20, 1998. Macovsky, L. M. and W. G. Landis. The effect of toxicant related mortality upon metapopulation dynamics: a laboratory model. SETAC Symposium on Ecosystem Vulnerability, Bel Harbor, WA. August 17-20, 1998. Landis, W. G., L. R. Bodensteiner and J. F. McLaughlin. The Relative Rank Risk Model for Regional-Scale Risk Assessment and Potential Applications in Freshwater and Terrestrial Systems. SETAC Symposium on Ecosystem Vulnerability, Bel Harbor, WA. August 17-20, 1998. McLaughlin, J. F. and W. G. Landis. Integrating stressor impacts from local to landscape levels using field tests of metapopulation models. SETAC Symposium on Ecosystem Vulnerability, Bel Harbor, WA. August 17-20, 1998. Landis, W, G. and J. F. McLaughlin. Design criteria and derivation of indicators for ecological position, direction and risk. SETAC Symposium on Ecosystem Vulnerability, Bel Harbor, WA. August 17-20, 1998. Landis, W. G. Paradigm Lost: and maybe found. USEPA Duluth, MN. July 23, 1998. Landis, W. G., L. R. Bodensteiner and J. F. McLaughlin. The Relative Rank Risk Model for Regional-Scale Risk Assessment and Potential Applications in Freshwater and Terrestrial Systems. Pacific Northwest SETAC Annual Meeting, Bellingham, WA May 15, 1998.

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Landis, W. G. Uncertainty in the Extrapolation from Individuals to Landscapes in Ecological Risk Assessment. National Health and Ecological Effects Laboratory Symposium on Extrapolation in Risk Assessment, April 27-30, 1998, Research Triangle Park, North Carolina. Landis, W. G. The consequences of population and community dynamics in the assessment of ecological risk at the regional-scale. Invited Seminar, U.S. EPA Newport, OR. March 19, 1998. Landis, W. G. New paradigms for ecological assessing risks. Invited Seminar, Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR. March 16, 1998 1997 J. Wiegers, H. M. Feder, W G. Landis, L. Mortensen, D. G. Shaw and V. J. Wilson. The Use of a Habitat Based, Ranking Ecological Risk Assessment Technique for the Prediction of Environmental Risk In Port Valdez, Alaska. Pacific Northwest Society of Environmental Toxicology and Chemistry Annual Meeting, Richmond, WA May 15-16 1997. Fairbrother, A., W. G. Landis, V. J. Wilson, A. J. Markiewicz, and G. Mann. Development of a checklist for the tier-1 ecological risk assessment of contaminated sites in British Columbia. Pacific Northwest Society of Environmental Toxicology and Chemistry Annual Meeting, Richmond, WA May 15-16 1997. J. K. Weigers, W. G. Landis, H. M. Feder and D. G. Shaw. Rank-Based Ecological Risk Assessment for Port Valdez, Alaska. American Association for the Advancement of Science Arctic Conference, September 22-25, 1997. Mortensen, L. S. and W. G. Landis Evaluation of Phytochelatin Production as an Exposure Biomarker for Metals Through Laboratory Testing of Algae. Society of Environmental Toxicology and Chemistry 18th Annual Meeting, San Francisco, CA November 16-20, 1997. Wilson, V. J. and W. G. Landis The Impact of Soil Composition on the Earthworm, Eisenia foetida, Response to a Hydrocarbon Toxicant. Society of Environmental Toxicology and Chemistry 18th Annual Meeting, San Francisco, CA November 16-20, 1997. J. Wiegers, H. M. Feder, W G. Landis, L. Mortensen, D. G. Shaw and V. J. Wilson. The Use of a Habitat Based, Ranking Ecological Risk Assessment Technique for the Prediction of Environmental Risk In Port Valdez, Alaska. Society of Environmental Toxicology and Chemistry 18th Annual Meeting, San Francisco, CA November 16-20, 1997. Fairbrother, A., W. G. Landis, V. J. Wilson, A. J. Markiewicz, and G. Mann. Development of a checklist for the tier-1 ecological risk assessment of contaminated sites in British Columbia. Society of Environmental Toxicology and Chemistry 18th Annual Meeting, San Francisco, CA November 16-20, 1997. 1996 Landis, W. G., R. A. Matthews, and G. B. Matthews. The Layered and Historical Impacts of Xenobiotics to Ecological Structures. Department of Biology, Oklahoma State University, Stillwater, OK February 9, 1996.

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Landis, W. G., R. A. Matthews, and G. B. Matthews. The Stability Myth, and An Alternative: Community Conditioning. Department of Biology, University of Victoria, Victoria BC, Canada, March 8, 1996. Landis, W. G., R. A. Matthews, and G. B. Matthews. After Remediation: The Metapopulation Dynamics of Organisms After Cleanup. Second Annual Meeting of the Environmental Management Association. Bloomington, IN March 23, 1996. Landis, W. G. and J. A. Spromberg. The Use of Metapopulation Models in Ecological Risk Assessment: Impacts of Toxicants Throughout an Ecological Landscape. Sixth Symposium on Environmental Toxicology and Risk Assessment: Modeling and Risk Assessment. Orlando, FL, April 16, 1996. Landis, W. G. Are Indirect Effects Important in Risk Assessment? Annual Meeting of the Pacific Northwest Chapter of SETAC. Corvallis, OR, May 18, 1996. Landis, W. G., R. A. Matthews and G. B. Matthews. The Layered and Historical Impacts of Xenobiotics to Ecological Structures. Oregon Graduate Institute, Beaverton, OR, May 31, 1996. Landis, W. G., R. A. Matthews and G. B. Matthews. The Recovery Myth and Implications for Environmental Management. US Geological Survey, Tacoma, WA. September 13, 1996. Landis, W. G. and M. Fellows. The Introduction of Community Conditioning, Non-Equilibrium Dynamics, and Island Biogeography into a High School Curriculum. 1996 Annual Meeting of the Society for Environmental Toxicology and Chemistry, Washington, D. C. November 17-21, 1996. Landis, W. G. , B. John , and J. A. Spromberg. Metapopulation Dynamics, Indirect Effects, Multiple Discrete Outcomes and Uncertainty in Ecological Risk Assessment. 1996 Annual Meeting of the Society for Environmental Toxicology and Chemistry, Washington, D. C. November 17-21, 1996. Landis, W. G., A. J. Markiewicz, S. A. Kelly , R. A. Matthews, and G. B. Matthews. The Impacts of Multiple Stressors to Model Ecological Structures. 1996 Annual Meeting of the Society for Environmental Toxicology and Chemistry, Washington, D. C. November 17-21, 1996. Matthews, R. A. A. J. Markiewicz, V. L. Harter, and W. G. Landis , Incorporating Detrital Conditioning In Outdoor Microcosms Dosed With JP-8 Jet Fuel. 1996 Annual Meeting of the Society for Environmental Toxicology and Chemistry, Washington, D. C. November 17-21, 1996. Wiegers, J. K., W. G. Landis, L. S. Mortensen, and V. J. Wilson, A Framework for Assessing Relative Risks Associated with Multiple Stressors in Port Valdez, Alaska. 1996 Annual Meeting of the Society for Environmental Toxicology and Chemistry, Washington, D. C. November 17-21, 1996. 1995 Landis, W. G. Chaos, Complexity and Environmental Toxicology. Fisheries Seminar, University of Washington, January 23, 1995

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Landis, W. G., G. Mobus, G. B. Matthews, R. A. Matthews C. J. Pickreign and J. Spromberg. Artificial Intelligence Based Data Analysis, Visualization Tools and Computer Simulation Models for the Ecological Risk Assessment of Biotechnology Based Products U. S. EPA, Corvallis, OR, February 23, 1995. Kelly, S. A. and W. G. Landis. Evaluation of patterns in aquatic community dynamics following multiple stress events using the Standard Aquatic Microcosm. ASTM Fifth Symposium on Environmental Toxicology and Risk Assessment: Biomarkers and Risk Assessment Denver, CO, April 3-5, 1995. Markiewicz, A. J., R. A. Matthews, and W. G. Landis. Comparison of degradative rate responses in two generic microcosms: the standardized aquatic microcosm and the mixed flask culture microcosm. ASTM Fifth Symposium on Environmental Toxicology and Risk Assessment: Biomarkers and Risk Assessment Denver, CO, April 3-5, 1995. Zukowski, A., K. Davies, R. A. Matthews, and W. G. Landis. The synergistic effects of chlorine and water soluble fraction of the turbine fuel, JP-8, on the sand dollar, Dendraster excentricus. ASTM Fifth Symposium on Environmental Toxicology and Risk Assessment: Biomarkers and Risk Assessment Denver, April 3-5, 1995. Landis, W. G., R. A. Matthews and G. B. Matthews. Extrapolation from the laboratory to the field: community conditioning, spatial heterogeneity and nonlinear dynamics as unifying themes. ASTM Fifth Symposium on Environmental Toxicology and Risk Assessment: Biomarkers and Risk Assessment Denver, April 3-5, 1995. Landis, W. G., R. A. Matthews, and G. B. Matthews. Non-equilibrium Dynamics and Alternatives to the Recovery Model in Ecological Risk Assessment of Contaminated Sediments. SETAC Sediment Risk Assessment Workshop, Asilomar, CA, April 24-28, 1995. Landis, W. G., R. M. Matthews and G. B. Matthews. Organismal and Non-organismal Structures in Environmental Toxicology and Risk Assessment. PNWSETAC Annual Meeting, University of Washington, Seattle, WA, May 11-12, 1995. Kelly, S. A. and W. G. Landis. Community Conditioning Confirmed in a Multiple Stressor Microcosm. . PNWSETAC Annual Meeting, University of Washington, Seattle, WA, May 11-12, 1995. Spromberg, J. A. and W. G. Landis. Metapopulation Dynamics as a Model for Toxicant Impact in Patchy Environments. PNWSETAC Annual Meeting, University of Washington, Seattle, WA. May 11-12, 1995. Pickreign, C. J., G. B. Matthews, R. A. Matthews, and W. G. Landis. Riggle: A Program for the Dynamic Conceptual Time Series Analysis of Hypervariate Data and Its Application to Ecotoxicology. PNWSETAC Annual Meeting, University of Washington, Seattle, WA. May 11-12, 1995. Landis, W. G., J. A. Spromberg, G. Mobus, C. Pickreign, and G. B. Matthews. Non-equilibrium Models, the Patch Dynamics of Horizontal Gene Transfer, Competitive Interactions and Implications for the Risk Assessment of Biotechnology-based Products. USEPA Biotechnology Risk Assessment Symposium, Pensacola, FL, June 6-9, 1995.

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Spromberg, J. A. and W. G. Landis. Metapopulation Dynamics As a Model For Toxicant Impact in Patchy Environments. SETAC Annual Meeting, Vancouver BC, Canada, November 5-11, 1995. S.A. Kelly, A.J. Markiewicz, W.G. Landis, R.A. Matthews, and G.B. Matthews. Community Conditioning Confirmed In a Multiple Stressor Microcosm. SETAC Annual Meeting, Vancouver BC, Canada, November 5-11, 1995. Landis, W. G. Laboratory to Field Extrapolations: Organismal and Non-organismal Structures in Environmental Toxicology and Risk Assessment. SETAC Annual Meeting, Vancouver BC, Canada November 5-11, 1995. Pickreign, C. J., G. B. Matthews, R. A. Matthews, and W. G. Landis. Riggle: A program for the dynamic conceptual time series analysis of hypervariate data and its application to ecotoxicology. SETAC Annual Meeting, Vancouver BC, Canada, November 5-11, 1995. 1994 Landis, W. G. , R. A. Matthews, and G. B. Matthews. Community Conditioning as an Alternative to the Stability and Recovery of Ecosystem Hypothesis in Ecological Risk Assessment. ASTM Symposium on Environmental Toxicology and Risk Assessment, Montreal, Quebec, Canada, April 12, 1994. Matthews, G. B., R. A. Matthews and W. G. Landis. Artificial Intelligence Based Data Analysis and Visualization Tools for Ecological Risk Assessment. ASTM Symposium on Environmental Toxicology and Risk Assessment, Montreal, Quebec, Canada, April 12, 1994 Landis, W. G., R. A. Matthews, A. J. Markiewicz, and G. B. Matthews. Structural and Community Level Comparison of Turbine Fuel Test Results Using the Standardized Aquatic Microcosm (SAM) and the Mixed Flask Culture (MFC) Protocols. ASTM Symposium on Environmental Toxicology and Risk Assessment, Montreal, Quebec, Canada, April 12, 1994. Landis, W. G., R. A. Matthews, and G. B. Matthews. The Recovery Myth and an Alternative-Community Conditioning. Annual Meeting of the Pacific Northwest Chapter of the Society for Environmental Toxicology and Chemistry, University of Victoria, Victoria, British Columbia, Canada, May 21, 1994. Landis, W. G., R. A. Matthews, G. B. Matthews, and A. M. Markiewicz. The Community Conditioning Hypothesis and the Dynamics of Stressed Ecological Systems. Ecological Society of America Workshop Relevancy of Ecological Data to Pesticide Registration. Knoxville, TN, August 7, 1994. Landis, W. G. Chaos, Complexity and Environmental Policy. Sequim Lecture and Discussion Club, Sequim, WA, Sept 2, 1994. Landis, W. G., R. A. Matthews, and G. B. Matthews. The Balance of Nature Myth: Alternatives and Implications for Environmental Policy. Sigma Xi Lecture, Western Washington University, Bellingham, WA October 13, 1994. Landis, W. G., R. A. Matthews, M. A. Roze. and G. B. Matthews. The Stability Myth and the Dynamics and Patterns of Xenobiotic Impacts to Ecological Systems. SETAC 94, Denver, CO, October 1994.

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Landis, W.G., M.J. Roze, G.B. Matthews, S. Dominguez, A. Fairbrother. A Multivariate Artificial Intelligence Approach to the Evaluation of Biomarkers Under Field Conditions II. SETAC 94, Denver, CO October 1994. Matthews, R.A. , W.G. Landis, and G.B. Matthews. Application of the Community Conditioning Hypothesis to the Design of Multispecies Toxicity Tests. SETAC 94, Denver, CO, October 1994. Landis, W.G., R.A. Matthews, and G.B. Matthews. The Inherent Limitations of Population Modeling in Environmental Risk Assessment and an Alternative: Community Conditioning. SETAC 94, Denver, CO, October 1994. Landis, W. G. Chaos, Complexity and Environmental Policy. Sequim Association of Retired Scientists and Engineers, Sequim, WA , November 11, 1994. 1993 Landis, W. G., R. A. Matthews and G. B. Matthews. Community level responses to toxicant stress as evaluated by nonmetric clustering and multivariate projections, implications for resource damage and risk assessment. U. S. EPA ERL Corvallis, Corvallis, OR, January 1993. Landis, W. G., R. A. Matthews, and G. B. Matthews. Ecosystem dynamics: wormspace, chaos and the implications for ecological risk assessment. Keynote Address, Ecological Risk Assessment. USEPA Regional Risk Assessment Annual Meeting, Atlanta, GA, March 4, 1993. Landis, W. G., Matthews, R. A. and Matthews, G. B. Ecosystem Dynamics: Wormspace, chaos and the implications for ecological risk assessment. Lecture, Classic Papers in Aquatic Science Course, University of Washington, Seattle, WA, March 6, 1993. Landis, W. G., R. A. Matthews and G. B. Matthews. Ecosystem dynamics: wormspace, chaos and the implications for ecological risk assessment. USEPA Region 10 Risk Assessment Seminar Series. Seattle, WA, March 24, 1993. Matz, A. C., R.S. Bennett and W.G. Landis. Effects of azinphos-methyl on bobwhite: a comparison of laboratory and field results. Society of Environmental Toxicology and Chemistry World Congress, Lisbon, Portugal, March 29, 1993. Landis, W. G., R. A. Matthews and G. B. Matthews. Oscillations detected by multivariate analysis in microcosm toxicity tests with complex toxicants: implications for risk assessment. Society of Environmental Toxicology and Chemistry World Congress, Lisbon, Portugal, March 30, 1993. Matthews, G. B., W. G. Landis, and R. A. Matthews. Nonmetric clustering and association analysis: risk assessment implications for the interpretation of multispecies toxicity tests and field monitoring. Society of Environmental Toxicology and Chemistry World Congress, Lisbon, Portugal, March 30, 1993. Grue, C. and W. G. Landis. Indirect effects of contaminants on aquatic wildlife. Society of Environmental Toxicology and Chemistry World Congress, Lisbon, Portugal, March 30, 1993.

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G. B. Matthews, W.G. Landis, and R. A. Matthews. Nonmetric clustering and association analysis: implications for the evaluation of multispecies toxicity tests and field monitoring. April 23, 1993. Landis, W. G., R. A. Matthews, G. B. Matthews. Oscillations detected by multivariate analysis in microcosm toxicity tests with complex toxicants: implications for biomonitoring and risk assessment. ASTM Symposium Environmental Toxicology and Risk Assessment, Atlanta, GA, April 27, 1993. Matthews, G. B., W. G. Landis and R. A. Matthews. Nonmetric clustering and association analysis: implications for the evaluation of multispecies toxicity tests and field monitoring. ASTM Symposium Environmental Toxicology and Risk Assessment, Atlanta, GA, April 27,1993. Sandberg, R. S. and W. G. Landis. Use of the mixed flask culture (MFC) microcosm protocol to investigate the effects of a pulsed release of Jet-A turbine fuel from sediments. 1993 Annual Meeting Pacific Northwest Chapter of the Society of Environmental Toxicology and Chemistry, Newport OR, May 20-22, 1993. Rodgers, S. C. and W. G. Landis. Evaluation of community structures vs. community function after exposure to the turbine fuel Jet-A. 1993 Annual Meeting Pacific Northwest Chapter of the Society of Environmental Toxicology and Chemistry, Newport OR, May 20-22, 1993. Markiewicz, A. J., R. A. Matthews, and W. G. Landis. Comparison of the degradation of water soluble components in jet fuel using the standardized aquatic microcosm (SAM) and the mixed flask microcosm (MFC). 1993 Annual Meeting Pacific Northwest Chapter of the Society of Environmental Toxicology and Chemistry, Newport, OR, May 20-22, 1993. Landis, W. G., A. J. Markiewicz, R. A. Matthews, and G. B. Matthews. Non-linear Dynamics of Microcosm Experiments after Toxicant Stress Evaluated by Response Volume Projections (Space-Time Worms). 1993 Annual Meeting Pacific Northwest Chapter of the Society of Environmental Toxicology and Chemistry, Newport, OR, May 22, 1993 Landis, W. G., R. A. Matthews, and G. B. Matthews. Use of Novel Methods and the Application of Non-linear Dynamics to the Evaluation of Ecosystem Impacts. Seminar National Oceanic and Atmospheric Administration Hazardous Materials Team, Seattle, WA , June 21, 1993. Landis, W. G. First you Have to Have Exposure. Reporting on Environmental Risk: a Conference for Journalists. Foundation for American Communications. Columbus, OH, September 11, 1993. Matthews, G. B., R. A. Matthews, and W. G. Landis. Nonmetric Clustering and Association Analysis and its Use in Hazard Assessment. SETAC Short Course. Houston, TX, November 1993. Landis, W. G., R. A. Matthews, and A.J. Markiewicz, and G. B. Matthews. Comparison of Test Results in the Evaluation of the WSF of Several Jet Fuels Using the Standardized Aquatic Microcosm and the Mixed Flask Culture Protocols. Annual Meeting Society of Environmental Toxicology and Chemistry, Houston, TX, November 1993.

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Matthews, G. B. , W. G. Landis, and R. A. Matthews. Response Volumes (Space-time Worms) as a Method for the Visualization of Ecosystem Dynamics and Indirect Effects. Annual Meeting Society of Environmental Toxicology and Chemistry, Houston, TX, November 1993. Landis, W. G., R. A. Matthews, and G. B. Matthews. Non-linear Dynamics of Microcosm Ecosystems and the Inherent Limitations of Risk Assessment. Annual Meeting Society of Environmental Toxicology and Chemistry, November 1993, Houston, TX Landis, W. G., R. A. Matthews, and G. B. Matthews. Characterization and Classification of Direct and Indirect Effects at the Community and Ecosystem Levels. Annual Meeting Society of Environmental Toxicology and Chemistry, Houston, TX, November 1993. Markiewicz, A. J., R. A. Matthews, and W. G. Landis. Comparison of the Degradation of Water Soluble Components in Jet Fuel Using the Standard Aquatic Microcosm (SAM) and the Mixed Flask Microcosm (MFC). Annual Meeting Society of Environmental Toxicology and Chemistry, Houston, TX, November 1993. Rodgers, S. C. and W. G. Landis. Evaluation of Community Structure and Community Function After Exposure to the Turbine Fuel Jet-A. Annual Meeting Society of Environmental Toxicology and Chemistry, Houston, TX, November 1993. Sandberg, R. S., M. J. Roze, and W. G. Landis. Use of the Mixed Flask Culture (MFC) Microcosm Protocol to Investigate the Effects of a Pulsed Release of Jet-A. Annual Meeting Society of Environmental Toxicology and Chemistry, Houston, TX, November 1993. 1992 Matz, A. C., R. S. Bennett, W. L. Griffis, and W. G. Landis. Development of a method for the monitoring of agroecosystem and hazardous waste site contamination using galliform chicks. ASTM Environmental Toxicology and Risk Assessment Symposium, Pittsburgh, PA, April 27, 1992. Landis, W. G., G. B. Matthews, R. A. Matthews, and N.J. Shough. Evaluation of the aquatic toxicity of the turbine fuel Jet-A using single species and microcosm toxicity tests. ASTM Environmental Toxicology and Risk Assessment Symposium, Pittsburgh, PA, April 27, 1992. G. B. Matthews, R. A. Matthews, and W. G. Landis. Multivariate analyses of data from aquatic toxicity microcosm studies: a comparison of three statistical tests. ASTM Environmental Toxicology and Risk Assessment Symposium, Pittsburgh, PA, April 27, 1992. Landis, W. G. Risk assessment of degradative elements and organisms. EPA-Corvallis Biotechnology Team, Corvallis, OR, May 15, 1992. Landis, W. G., G. B. Matthews and R. A. Matthews. The use of multispecies toxicity tests and their role in environmental risk assessment. School of Fisheries Seminar, University of Washington, Seattle, WA, May 21, 1992. Matthews, G. B., R. A. Matthews, and W. G. Landis. Multivariate analyses of data from aquatic toxicity microcosm studies: a comparison of three statistical tests. Pacific Northwest SETAC Annual Meeting, Bellingham, WA, June 26-27, 1992.

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Matz, A. C., R. S. Bennett, and W. G. Landis. Development of a method for monitoring chemical contamination using galliform chicks. Pacific Northwest SETAC Annual Meeting, Bellingham, WA, June 26-27, 1992. Landis, W. G., G. B. Matthews, R. A. Matthews, and N.J. Shough. Evaluation of the aquatic toxicity of the turbine fuel Jet-A using single species and microcosm toxicity tests. Pacific Northwest SETAC Annual Meeting, Bellingham, WA, June 26-27, 1992. Keel, L. W. and W. G. Landis. Sublethal toxicity of copper to the sea anemone Anthropleura elegantissima. Pacific Northwest SETAC Annual Meeting, Bellingham, WA, June 26-27, 1992. Landis, W. G., Comparison and contrast of the organophosphorus acid anhydrases from eucaryotic sources. Wildlife Disease Association Annual Meeting, University of Texas, El Paso, TX, August 10, 1992. Landis, W. G., R. Sahakian, F. B. Taub and J. H. Taub. Population effects and community dynamics in the standardized aquatic microcosm-modeling compared to historical data sets. Annual Meeting Society of Environmental Toxicology and Chemistry, Cincinnati, OH, November 1992. Landis, W. G. , R. A. Matthews, A. J. Markiewicz, N. J. Shough and G. B. Matthews. Evaluation of the aquatic toxicity of two turbine fuels using microcosm toxicity tests. Annual Meeting Society of Environmental Toxicology and Chemistry, Cincinnati, OH, November 1992. Matthews, G. B., W. G. Landis, and R. A. Matthews. Replicability of the control group response in the SAM. Annual Meeting Society of Environmental Toxicology and Chemistry, Cincinnati, OH, November 1992. Landis, W. G., Comparison and contrast of the organophosphorus acid anhydrases from eucaryotic sources. Annual Meeting Society of Environmental Toxicology and Chemistry, Cincinnati, OH, November 1992. Matz, A. C., R. S. Bennett and W. G. Landis. Effects of azinphos-methyl on bobwhite: a comparison of laboratory and field results. Annual Meeting Society of Environmental Toxicology and Chemistry, Cincinnati, OH, November 1992. Landis, W. G. and A. Sergeant, Incorporation of multivariate techniques to the performance of ecological risk assessments. Annual Meeting Society of Environmental Toxicology and Chemistry, Cincinnati, OH, November 1992. Landis, W. G., R. A. Matthews, and G. B. Matthews, Endpoints: art or artifact? Annual Meeting Society of Environmental Toxicology and Chemistry, Cincinnati, OH, November 1992. Matthews, G. B., W. G. Landis and R. A. Matthews. Nonmetric clustering and association analysis: an artificial intelligence approach to multispecies data. Annual Meeting Society of Environmental Toxicology and Chemistry, Cincinnati, OH, November 1992. 1991 Landis, W. G. Factors in the risk assessment of degradative plasmids in bacterial populations. Northwest Chapter of the Society for Risk Assessment. University of Washington, Seattle, WA, January 18, 1991.

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Landis, W. G. Chemical weapons and the environment. Bellingham Rotary Club, Bellingham, WA. February 11, 1991. Landis, W. G. Environmental pollution, the view of an environmental toxicologist. 1991 AG-Forestry study group, Bellingham, WA, April 4, 1991. Landis, W. G. Environmental effects of the gulf war-chemical weapons. WWU Symposium Series on the Persian Gulf War. Western Washington University, Bellingham, WA, April 10, 1991. Landis, W. G., N. A. Chester and M. V. Haley. Utility of the standardized aquatic microcosm in the risk assessment of degradative bacteria. ASTM First Symposium on Environmental Toxicology and Risk Assessment, Atlantic City, NJ, April 14, 1991. Landis, W. G. Chemical weapons and the environment. Bellingham Bay Rotary Club, Bellingham, WA, May 28, 1991. Landis, W. G. Review of the risk assessment of selenium and Kesterson reservoir. USEPA West Coast Risk Assessment Workshop. Seattle, WA, June 12, 1991. Landis, W. G. Pesticides and herbicides, fate and effects evaluation on non-target biological communities. Proceedings, 1991 Annual Meeting of the Air and Waste management Association, Vancouver, BC, Canada June 18, 1991. Landis, W. G. Limnological and toxicological evaluation of the habitat of the western pond turtle. Conference on the Western Pond Turtle, Seattle, WA June 24, 1991 Landis, W. G., B. D. Westra and N. J. Shough. Discovery and initial characterization of the organophosphate hydrolyzing activities of the bobwhite quail, stilt, mallard and domestic chicken. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Seattle, WA, November 6, 1991. Landis, W. G. Environmental risk assessment framework incorporating ecosystem level factors. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Seattle, WA, November 5, 1991. Westra, B. D., N.J. Shough and W.G. Landis. Characterization of organophosphate acid anhydrases in the chicken. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Seattle, WA, November 7, 1991. Noellgen, R. N. and W.G. Landis. Organophosphate-hydrolyzing activity in the Mytilus edulis. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Seattle, WA, November 7, 1991. Enslein, K. and W. G. Landis. Food and drug administration/national environmental policy act: QSAR predictions. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Seattle, WA, November 5, 1991.

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Matz, A. C. , R. S. Bennett, and W. G. Landis. Development of a method for monitoring chemical contamination using galliform chicks. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Seattle, WA, November 7, 1991. 1990 Landis, W. G., M. V. Haley, N. A. Chester, and N. Shough. The organophosphate acid anhydrases, hydrolytic enzymes for organophosphate pesticide detoxification. Battelle Northwest Laboratories, Richland, WA, February 16, 1990. Landis, W. G. Environmental pollution, the view of an environmental toxicologist. AG-Forestry study group, Bellingham, WA, March 18, 1990. Landis W. G., M. V. Haley and N. A. Chester. Utility of the standardized aquatic microcosm in the evaluation of degradative bacteria in reducing impacts to aquatic ecosystems. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Arlington, VA, November 13-16, 1990. Landis W. G. The movement and population genetics of degradative and other plasmids through bacterial populations: implications for field research. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Arlington, VA, November 13-16, 1990. Landis W. G., N. J. Shough and B. Westra. Discovery of an organophosphate hydrolyzing activity in the bobwhite quail. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Arlington, VA, November 13-16, 1990. Matthews, G. B., R. A. Matthews, and W. G. Landis. Applications of nonmetric clustering (NMC) to pattern analysis in aquatic toxicology. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Arlington, VA, November 13-16, 1990. Landis, W. G. Biomonitoring: myth or miracle. Fate and Effects of Pesticides in the Environment. Corvallis, OR, December 11-12, 1990. Landis, W. G. Summary of the biomonitoring working group. Fate and Effects of Pesticides in the Environment. U. S. EPA. Corvallis, OR, December 11-12, 1990. 1989 Landis, W. G. The organophosphate acid anhydrases, hydrolytic enzymes for organophosphate detoxification. Texas A and M University, College Station, TX, January 18, 1989. Landis, W. G. Opening remarks. 13th Symposium on Aquatic Toxicology and Risk Assessment, Atlanta, GA, April 16, 1989. Haley, M. V., E. J. Vickers and W. G. Landis. Biodegradation and aquatic toxicity reduction of the persistent riot control material, 1,4 dibenz oxazepine. 13th Symposium on Aquatic Toxicology and Risk Assessment, Atlanta, GA, April 17, 1989. Johnson, D. W., M. V. Haley, N. A. Chester, and W. G. Landis. The aquatic toxicity of the sensory irritant, 1-4, dibenz oxazepine. 13th Symposium on Aquatic Toxicology and Risk Assessment, Atlanta, GA, April 17, 1989.

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Landis, W. G., N. A. Chester, H. D. Durst, A. J. Mueller, D. P. Dumas, F. M. Raushel and J.R. Wild. The organophosphate acid anhydrases, hydrolytic enzymes for organophosphate detoxication. National Research Conference: Pesticides in Terrestrial and Aquatic Environments, Brookfield, VA, May 11-12, 1989. Landis, W. G. An investigation of the strategies of in situ bioremediation using resource competition models, Drexel University, Philadelphia, PA, May 25, 1989. Landis, W. G., N. A. Chester, and H. D. Durst. Enzymatic Decontamination of Toxic Military Materials. Third International Symposium on Protection Against Chemical Warfare Agents, Umea, Sweden, June 15, 1989. Landis, W. G. The OP anhydrases, enzymes for the degradation of acetylcholinesterase inhibitors. Invited Seminar, USEPA ERL Corvallis, Corvallis, OR, Oct. 20, 1989. Landis, W. G., N. A. Chester, and M. V. Haley. Degradation of 1,4 dibenz oxazepine by Alcaligenes denitrificans denitrificans CR-1 in the Standardized Aquatic Microcosm. Annual Meeting Society for Environmental Toxicology and Chemistry, Toronto, Ont., October 30, 1989. Haley, M. V. and W. G. Landis. The application of Alcaligenes denitrificans denitrificans in packed bed continuous flow bioreactors for the degradation of 1,4 dibenz oxazepine. Annual Meeting Society for Environmental Toxicology and Chemistry, Toronto, Ont., October 30, 1989. Landis, W. G. Evolution and movement of degradative genetic elements in microbial populations. Annual Meeting Society for Environmental Toxicology and Chemistry, Toronto, Ont. October 31, 1989. Chester, N. A., M. V. Haley, D. W. Johnson, and W. G. Landis. The aquatic toxicology of a mixture of isopropylamine, 2-methylcyclohexanol and pinacolyl alcohol. Annual Meeting Society for Environmental Toxicology and Chemistry, Toronto, Ont., November 2, 1989. 1988 Landis, W. G., R. S. Anderson, N. A. Chester, H. D. Durst, M. V. Haley, D. W. Johnson, and R. M. Tauber. The organofluorophosphate acid anhydrases of the protozoan, Tetrahymena thermophila, and the clam, Rangia cuneata. 12 Symposium on Aquatic Toxicology and Environmental Fate, Reno NV, April 10, 1988. Landis, W. G., N. A. Chester, H. D. Durst, M. V. Haley, D. W. Johnson, R. M. Tauber, R. S. Anderson, and B. C. Harper. The organophosphate acid anhydrase of the protozoan, Tetrahymena thermophila, and the clam, Rangia cuneata, and the role of eucaryotes in strategies of biological detoxification. 1988 International Conference on Physiochemical and Biological Detoxification, Atlantic City, NJ, May 5, 1988. Landis, W. G. and N. A. Chester. Identification of a mipafox hydrolyzing OPA anhydrase from the clam, Rangia cuneata. Second OPA anhydrase Workshop, National Academy of Sciences Study Center, Woods Hole, MA June 9, 1988. Landis, W. G. The use of the Standardized Aquatic Microcosm in the evaluation of materials. Annual Meeting Society for Environmental Toxicology and Chemistry, Arlington, VA, November 13, 1988.

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Chester, N. A., M. V. Haley and W. G. Landis. Characterization of the mipafox hydrolyzing activity from the clam, Rangia cuneata. Annual Meeting Society for Environmental Toxicology and Chemistry, Arlington, VA, November 15, 1988. Haley, M. V., E. Vickers, T. C. Cheng, and W. G. Landis. Naturally occurring organisms resistant of dibenz 1,4-oxazepine. Annual Meeting Society for Environmental Toxicology and Chemistry, Arlington, VA, November 15, 1988. Landis, W. G. An investigation of the strategies of in situ bioremediation using resource competition models. Annual Meeting Society for Environmental Toxicology and Chemistry, Arlington, VA, November 16, 1988. Chester, N. A., H. D. Durst, M. V. Haley and W. G. Landis. Characterization of the Mipafox hydrolyzing activity from the clam, Rangia cuneata. 1988 CRDEC Scientific Conference on Chemical Defense Research, November 14, 1988. Haley, M. V., E. Vickers, T. C. Cheng, and W. G. Landis. Naturally occurring organisms resistant of dibenz 1,4-oxazepine. 1988 CRDEC Scientific Conference on Chemical Defense Research, November 14, 1988. 1987 Landis, W. G., N. A. Chester, M. V. Haley, D. W. Johnson, W. T. Muse, Jr., and R. M. Tauber. The utility of the standard aquatic microcosm as standard method for ecotoxicological investigation. Eleventh Annual ASTM Symposium Aquatic Toxicology and Risk Assessment. Cincinnati, OH, May 12, 1987. Enslein, K., B. W. Blake, M. E. Tomb, J. E. Hart, and W. G. Landis. Prediction of Daphnia magna EC50 values from rat oral LD50 and structure. Eleventh Annual ASTM Symposium Aquatic Toxicology and Risk Assessment. Cincinnati, OH May 12, 1987. Landis, W. G. The DFPases, a phylogenetically widespread group of organophosphate hydrolyzing enzymes. Seminar Biotechnology Club, USEPA Cincinnati, OH, May 13, 1987. Landis, W. G. Welcome and Introduction-Where we've been and what are we doing here? First DFPase Workshop, Marine Biological Laboratory, Woods Hole, MA, June 7, 1987. Landis, W. G. Multiple DFPases and their substrate/ inhibitor specificity. First DFPase Workshop, Marine Biological Laboratory, Woods Hole, MA, June 7, 1987. Durst, H. D. and W. G. Landis. Development, use and selectivity of DFPase chromogenic assays. First DFPase Workshop, Marine Biological Laboratory, Woods Hole, MA, June 7, 1987. Landis, W. G., N. A. Chester, M. V. Haley, D. W. Johnson and R. M. Tauber. The organoflurophosphate hydrolases of Tetrahymena thermophila and Rangia cuneata. Symposium: Reducing Risks from Environmental Chemicals Through Biotechnology. University of Washington, Seattle, WA, July 19, 1987. Landis, W. G. Research needs in aquatic toxicology. Workshop on Research Needs in Environmental Toxicology and Risk Assessment. Breckenridge, CO, August 17, 1987

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Landis, W. G. and N. A. Chester. The organofluorophosphate hydrolase systems of the clam, Rangia cuneata. Annual Meeting Society for Environmental Toxicology and Chemistry, Pensacola FL, November 10, 1987. Johnson, D. W., M. V. Haley, N. A. Chester, and W. G. Landis. The aquatic toxicities of two structurally similar compounds, 1-methoxy-1,3,5-cycloheptatriene and Dibenz(B, F)-1,4-oxazepine. Annual Meeting Society for Environmental Toxicology and Chemistry, Pensacola FL, November 10, 1987. Haley, M. V., N. A. Chester, and W. G. Landis. The aquatic toxicity of O-(2-diisopropylammoethyl) O-ethylmethylphophonite (QL), methylphophonic difluoride (DF), methylphophonic dichloride (DC) and some of their degradation components. Annual Meeting Society for Environmental Toxicology and Chemistry, Pensacola FL, November 10, 1987. Enslein, K. B. W. Blake, M. E. Tomb, J. B. Hart, T. M. Tuzzeo and W. G. Landis. Estimation of ecotoxicological endpoints with Topkat. Annual Meeting Society for Environmental Toxicology and Chemistry, Pensacola FL, November 10, 1987. Haley, M. V., N. A. Chester, and W. G. Landis. The aquatic toxicity of O-(2-diisopropylammoethyl) O-ethylmethylphophonite (QL), methylphophonic difluoride (DF), methylphophonic dichloride (DC) and some of their degradation components. 1987 CRDEC Scientific Conference on Chemical Defense Research. November 18, 1987. Johnson, D. W., M. V. Haley, N. A. Chester, and W. G. Landis. The aquatic toxicities of two structurally similar compounds, 1-methoxy-1,3,5-cycloheptatriene and Dibenz(B, F)-1,4-oxazepine. 1987 CRDEC Scientific Conference on Chemical Defense Research. November 18, 1987. Landis, W. G. and N. A. Chester. The organophosphate acid anhydrase systems of the clam, Rangia cuneata. 1987 CRDEC Scientific Conference on Chemical Defense Research. November 18, 1987. 1986 Harper, B. G., L. P. Midgeley, I. G. Resnick, and W. G. Landis. Scale-up production and purification of diisopropylfluorophatase from Tetrahymena thermophila. American Society for Microbiology, Washington, D. C., March 1986. Landis, W. G., H. D. Durst, D. M. Haley, M. V. Haley, D. W. Johnson, R. M. Tauber, and R. E. Savage, Jr. Discovery of multiple DFPases in Tetrahymena thermophila. Society of Toxicology Annual Meeting, New Orleans, LA, March 5, 1986. Landis, W. G. Discovery of multiple DFPases in Tetrahymena thermophila. Department of Chemistry, University of Alabama, Huntsville, AL, February 21, 1986. Landis, W. G. Discovery of multiple DFPases in Tetrahymena thermophila. Department of Biochemistry, University of Kansas, Lawrence, KS, March 7, 1986. Haley, M. V., D. W. Johnson, W. T. Muse, Jr., and W. G. Landis. The aquatic toxicity and fate of brass dust. Tenth Annual ASTM Symposium on Aquatic Toxicology and Environmental Fate. New Orleans, LA, May 5, 1986.

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Landis, W. G., H. D. Durst, R. E. Savage, Jr., and B. G. Harper. Tetrahymena-DFPases: elucidation, characteristics, therapeutic potential and utility as non-corrosive decontaminants. Fifteenth Army Science Conference, West Point, NY, June 18, 1986 Harper, B. G., L. P. Midgley, I. G. Resnick, and W. G. Landis. Scale-up, production and purification of diisopropylfluorophosphatases from Tetrahymena thermophila. Fifteenth Army Science Conference, West Point, NY, June 18, 1986 Landis, W. G., H. D. Durst, M. V. Haley, and D. W. Johnson. Characterization and role of the organofluorophosphate hydrolases in Tetrahymena thermophila. Annual Meeting Society of Protozoologists, Kingston, RI, June 25, 1986. Landis, W. G. The organofluorophosphate hydrolases of Tetrahymena thermophila. Seminar U. S. Army Biomedical Research and Development Laboratory, Fort Detrick, MD, July 24, 1986. Landis, W. G., N. A. Chester, M. V. Haley, D. W. Johnson, W. T. Muse, Jr., and R. M. Tauber. Aquatic toxicity of metals: comparison of brass dust and copper sulfate using the standard aquatic microcosm. Annual Meeting Society for Environmental Toxicology and Chemistry, Alexandria, VA, November 3, 1986. Landis, W. G. Degradation of xenobiotics by engineered organisms. Invited presentation entitled: “Biotechnology: Whither the Ecotoxicologist?” Annual Meeting Society for Environmental Toxicology and Chemistry. Alexandria, VA, November 4, 1986. Anderson, R. S., H. D. Durst, and W. G. Landis. DFP hydrolysis by tissue extracts of the clam Rangia cuneata. Annual Meeting Society for Environmental Toxicology and Chemistry. Alexandria, VA, November 4, 1986. Enslein, K., B. W. Blake, M. E. Tomb, J. E. Hart, and W. G. Landis. SAR model of rat oral LD50

based on Daphnia LD50 and structural parameters. Annual Meeting Society for Environmental

Toxicology and Chemistry. Alexandria, VA, November 5, 1986. Landis, W. G., R. S. Anderson, H. D. Durst, J. James, N. A. Chester, M. V. Haley, D. W. Johnson, and R. M. Tauber. The organofluorophosphate hydrolases of Tetrahymena thermophila and Rangia cuneata. Chemical Research, Development and Engineering Center Conference on Chemical Defense Research, November 17, 1986. 1985 Savage, R. E. Jr., D. M. Satanek, M.V. Haley, D. W. Johnson, G. S. Hart, and W. G. Landis. Kinetics and purification of an organophosphate hydrolyzing activity in Tetrahymena thermophila. Society of Toxicology, San Diego, CA, March 19, 1985. Landis, W. G. Resource competition modeling of the impacts of xenobiotics on biological communities. Ninth Annual ASTM Symposium on Aquatic Toxicology and Environmental Fate. Philadelphia, PA, April 16, 1985. Landis, W. G. Introduction to session "Evaluating the Impact of Genetically Engineered Microorganisms on Aquatic Ecosystems" Ninth Annual ASTM Symposium on Aquatic Toxicology and Environmental Fate. Philadelphia, PA, April 16 1985.

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Landis, W. G. Aquatic toxicology, the gnotobiotic microcosm. National Capital Area Chapter Society of Toxicology. Washington, D. C., September 13, 1985. Landis, W. G., M. V. Haley, and D. W. Johnson. The toxicity of brass particles to aquatic ecosystems. Society for Environmental Toxicology and Chemistry, St. Louis, MO, November 7, 1985. Landis, W. G., H. D. Durst, D. M. Haley, M. V. Haley, D. W. Johnson, R. M. Tauber, and R. E. Savage, Jr. Tetrahymena-DFPase: Activity, kinetics, and separation. Scientific Conference on Chemical Defense, Chemical Research and Development Center, Aberdeen Proving Ground, MD, November 19, 1985. 1984 Landis, W. G. Aquatic toxicity of EA5763. U. S. Army Environmental Hygiene Agency, Aberdeen Proving Ground, MD, February 17, 1984. Landis, W. G. Initial characterization of a nerve agent hydrolyzing enzyme. French delegation to CRDC, Aberdeen Proving Ground, MD June 19, 1984. Landis, W. G. and R. E. Savage, Jr. Initial characterization of a soman hydrolyzing DFPase in Tetrahymena thermophila. Fourteenth Army Science Conference, West Point, NY, June 20, 1984. Landis, W. G., M. V. Haley, D. W. Johnson, D. M. Satanek and R. E. Savage, Jr. Initial characterization of an organofluorophosphate hydrolyzing activity in Tetrahymena thermophila. American Society of Pharmacologists and Experimental Therapeutics, Indianapolis, IN, August 22 1984. Johnson, D. W., M. V. Haley, W. T. Muse, Jr., and W. G. Landis. Two routes of exposure to brass dust to Daphnia magna and aquatic ecosystems. Society for Environmental Toxicology and Chemistry, Arlington, VA, November 5, 1984. Haley, M. V., D. W. Johnson, and W. G. Landis. The aquatic toxicity of 3,3-dimethyl-2-butanol, pinacolyl alcohol. Society for Environmental Toxicology and Chemistry, Arlington, VA, November 5, 1984. Landis, W. G. Modeling the impacts of xenobiotics of biological communities: effects of genetic diversity and impacts on trophic interactions. Society for Environmental Toxicology and Chemistry, Arlington, VA, November 5, 1984. Landis, W. G., D. M. Satanek, M.V. Haley, D. W. Johnson, G. S. Hart, and R. E. Savage, Jr. Kinetics and purification of a diisopropylfluorophosphate hydrolyzing activity in the protozoan, Tetrahymena thermophila. Scientific Conference on Chemical Defense Research, Chemical Research and Development Center, November 16, 1984. 1983 Landis, W. G. Invited lecture: ecological toxicology. Environmental Toxicology Course, Mary Washington College, Fredericksburg, VA, March 1983.

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Landis, W. G. Resource competition modeling of the response of biological communities to toxins. Seminar series, School of Public and Environmental Affairs, Indiana University, Bloomington, IN, April 1983. Landis, W. G. Resource competition modeling of the response of biological communities to chemical insults. 4th Annual Meeting Society for Environmental Toxicology and Chemistry, Arlington, VA, November 9, 1983. Landis, W. G. Characterization of Tetrahymena-DFPase. Scientific Conference on Chemical Defense Research, Chemical Research and Development Center, Aberdeen Proving Ground, MD, November 17, 1983. 1982 Landis, W. G. The relationship among breeding systems, spatial distribution, and genetic diversity in Paramecium. International Meeting of Ciliate Genetics and Molecular Biology, University of Wyoming, Laramie, WY, July 1982. Landis, W. G. The relationship among breeding systems, spatial distribution, and genetic diversity in Paramecium. 35th Annual Meeting Society of Protozoologists, San Francisco State University, San Fransisco, CA, July 1982. 1981 Landis, W. G. and M. L. Bass. An assessment of the impact on the periphyton community of oil product spills in two watersheds in Northern Virginia. Second Annual Meeting Society of Environmental Toxicology and Chemistry, Alexandria, VA, November 1981. 1980 Landis, W. G. The genetics and ecology of the killer trait in Paramecium aurelia. Protozoology Course, Georgetown University, Washington, D. C., April 1980. 1978 Landis, W. G. The role of natural selection and other factors in determining the frequency of the killer trait in populations of the Paramecium aurelia complex. 31st Annual meeting Society of Protozoologists, University of Georgia, Athens, GA, August 1978. 1976 Landis, W. G. The role of natural selection and other factors in determining the frequency of the killer trait in populations of paramecium. International meeting of Ciliate Genetics and Molecular Biology, University of Wisconsin, Madison, WI, July 1976.