Ecological Overview of Riparian Areas in the Blue...
Transcript of Ecological Overview of Riparian Areas in the Blue...
![Page 1: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/1.jpg)
Blues Coalition of CollaborativesJohn Day, Oregon
17 August 2016
Ecological Overview of Riparian Areasin the Blue Mountains
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S Trent SeagerScience Advisor, Blue Mountains Forest Partners
PhD candidate, Oregon State University
Bob HassmillerHydrologist, Blue Mountains Ranger District, Malheur National Forest
![Page 3: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/3.jpg)
Ecological Overview of Riparian Areas
1. Why riparian areas?
2. Their ecological role & our social values:
• function & process• aquatic food webs
• wildlife & fire
3. Landscape scale
4. Watershed scale
5. Project and Unit scale
6. Next Steps
![Page 4: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/4.jpg)
Ecological Overview of Riparian Areas
1. Why riparian areas?
2. Their ecological role & our social values:
• function & process• aquatic food webs
• wildlife & fire
3. Landscape scale
4. Watershed scale
5. Project and Unit scale
6. Next Steps
![Page 5: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/5.jpg)
Riparian areas have different Processes and Functions than the dry-mixed-moist conifer forests we otherwise work in
Why Riparian Areas?
In these settings…Collaboratives may have different Social ValuesForest Service may have different Purpose & Need
• entirely different food webs• aquatic & terrestrial wildlife• different role in fire behavior & recovery• connectivity-permeability on the landscape
![Page 6: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/6.jpg)
Data and research shows that some riparian areas are not functioning properly and would benefit from restoration
Why Riparian Areas?
Which ones? How? When? and Why?
Answer some but not all of those questions today. We’ll be giving: new tools, new tech, and new insights so you can work to find those answers with our collaborative partners!
![Page 7: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/7.jpg)
Ecological Overview of Riparian Areas
1. Why riparian areas?
2. Their ecological role & our social values:
• function & process• aquatic food webs
• wildlife & fire
3. Landscape scale
4. Watershed scale
5. Project and Unit scale
6. Next Steps
![Page 8: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/8.jpg)
Riparian areas have different Processes and Functions than the dry-mixed-moist conifer forests we otherwise work in
Ecological Role
Watershed Scale Processes
• Runoff and stream flow• interception• snow melt• surface runoff• subsurface flow• hyporheic flow• groundwater flow
![Page 9: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/9.jpg)
Riparian areas have different Processes and Functions than the dry-mixed-moist conifer forests we otherwise work in
Ecological Role
Watershed Scale Processes
• Runoff and stream flow• interception• snow melt• surface runoff• subsurface flow• hyporheic flow• groundwater flow
![Page 10: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/10.jpg)
Riparian areas have different Processes and Functions
Watershed Scale Processes
• Erosion and sediment supply• surface erosion, mass
wasting, soil creep• Nutrient delivery
Ecological Role
![Page 11: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/11.jpg)
Reach Scale Processes• Riparian vegetation
§ shading, bank, wood supply, sediment retention, litter fall• Stream flow and flood storage• Sediment transport and storage• Channel, floodplain, and habitat dynamics• Organic matter transport and storage• Instream biological processes
Ecological Role
![Page 12: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/12.jpg)
Function• Hydrology and sediment dynamics
§ surface water storage, high water table, sediment accumulation & transportation
• Biochemistry and nutrient cycling
• Habitat and food web maintenance§ streamside vegetation maintenance, terrestrial vertebrate
populations, aquatic vertebrate populations
Ecological Role
![Page 13: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/13.jpg)
Ecological Role & Social Values
Social Values
• While Ecological Role influences some social values, diverse backgrounds and diverse places emphasize or highlight values important to us
• This is done in the context of the FS Purpose & Need, which usually captures Ecological Role
• Cover some social values for examples
![Page 14: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/14.jpg)
Aquatic Food Webs• Listed fish species• Covered by PACFISH/INFISH• NOAA/NMFS and USFWS become their voices• Listed fish are protected by not harming habitat
(stream temperature, disturbance, etc.)
Social Values
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Aquatic Food Webs• Listed fish species• Insects and inputs from terrestrial system• Nutrient delivery upstream for downstream habitat• Management decisions impact these positives
Social Values
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Aquatic Food Webs• Listed fish species• Insects and inputs from terrestrial system• Nutrient delivery upstream for downstream habitat• Management decisions impact these positives
Social Values
![Page 17: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/17.jpg)
Terrestrial Wildlife• Woodpeckers (multiple MIS)• Marten (MIS)• Goshawk (ES screens)
Social Values
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Terrestrial Wildlife• Beaver• Cavity nesters: passerines, small mammals• Ungulates: elk and deer• Carnivores: cougar, bobcat, bear, wolf
Social Values
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Social Values
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Fire
• May help some of our social values• Restoration can ID how to decrease impact on those values
Social Values
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Fire
• Natural fire break (moisture, plants, trees)
• Recovery post-fire to keep key functions and processes
• Keep habitat stable or quickly recover for listed species
Social Values
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Economics
• If removal of trees helps ecological processes and doesn’t impact wildlife (or helps)
• Reduction in fuels allows systems to recover more quickly post-fire
• Then ecological framework has been met• Economics are important for local communities and
keeping mills open for further restoration• Economics helps funds projects, especially NFs that don’t
have CFLRP
Social Values
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Fire Return Intervals
• Some burned same as adjacent uplands (conifer forest type)
• Some burned less frequently (and severity)• Some burned more frequently (and severity)
Luce et al. 2012. Climate change, forests, fire, water, and fish (GTR).
Social Values
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Social Values
• So which sites were burning historically?• When do we know that it is ecologically important?• When is it ecologically valid for our wildlife social values?• Is it economically viable?• Are we sure it is going to do good?• What about not doing bad?
• These are the key questions many collaboratives have –here in the Blues – also in Washington and Idaho
• The science is still looking into fuels & fire behavior, but much of the other information if available, and today we’ll discuss key pieces and where to get more information
Social Values
![Page 25: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/25.jpg)
Ecological Overview of Riparian Areas
1. Why riparian areas?
2. Their ecological role & our social values:
• function & process• aquatic food webs
• wildlife & fire
3. Landscape scale
4. Watershed scale
5. Project and Unit scale
6. Next Steps
![Page 26: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/26.jpg)
Landscape Scale
![Page 27: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/27.jpg)
![Page 28: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/28.jpg)
![Page 29: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/29.jpg)
Ecological Overview of Riparian Areas
1. Why riparian areas?
2. Their ecological role & our social values:
• function & process• aquatic food webs
• wildlife & fire
3. Landscape scale
4. Watershed scale
5. Project and Unit scale
6. Next Steps
![Page 30: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/30.jpg)
Watershed Scale
1. Function and Processes?✔Watershed Scale Processes
![Page 31: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/31.jpg)
Watershed Scale
1. Function and Processes?
2. Aquatic Food Webs?✔ Listed fish species ✔ Insects and inputs from
terrestrial system✔ Nutrient delivery for
downstream insects
![Page 32: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/32.jpg)
Watershed Scale
1. Functions and Processes?2. Aquatic Food Webs?
3. Terrestrial Wildlife?✔ Corridors, Connectivity✔Wildlife movement
• Ungulates • Carnivores• Avian dispersal and migration
![Page 33: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/33.jpg)
Watershed Scale
1. Functions and Processes?2. Aquatic Food Webs?
3. Terrestrial Wildlife?✔ Corridors, Connectivity✔Wildlife movement
• Ungulates • Carnivores• Avian dispersal and
migration
![Page 34: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/34.jpg)
Watershed Scale
1. Functions and Processes?2. Aquatic Food Webs?3. Terrestrial Wildlife?4. Fire (desired effect/HRV)?✔ History, current✔ Depends (NetMap can help!)✔Modeling fire behavior
![Page 35: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/35.jpg)
Watershed Scale
1. Functions and Processes?2. Aquatic Food Webs?3. Terrestrial Wildlife?4. Fire (desired effect/HRV)?5. Economics✔Unknown, scale up from units
and projects
![Page 36: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/36.jpg)
Ecological Overview of Riparian Areas
1. Why riparian areas?
2. Their ecological role & our social values:
• function & process• aquatic food webs
• wildlife & fire
3. Landscape scale
4. Watershed scale
5. Project and Unit scale
6. Next Steps
![Page 37: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/37.jpg)
Project or Unit Scale
1. Functions and Processes?✔ Reach Scale Processes
• Riparian vegetation • Stream flow and flood storage• Sediment transport and storage• Channel, floodplain, and habitat dynamics• Organic matter transport and storage• Instream biological processes
![Page 38: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/38.jpg)
Project or Unit Scale
1. Functions and Processes?2. Aquatic Food Webs?✔ Key habitat; key inputs; direct =/- impact
![Page 39: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/39.jpg)
Project or Unit Scale
1. Functions and Processes?2. Aquatic Food Webs?3. Terrestrial Wildlife?✔ Core habitat; breeding habitat
![Page 40: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/40.jpg)
Project or Unit Scale
1. Functions and Processes?2. Aquatic Food Webs?3. Terrestrial Wildlife?
![Page 41: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/41.jpg)
Project or Unit Scale
1. Functions and Processes?2. Aquatic Food Webs?3. Terrestrial Wildlife?
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Project or Unit Scale
1. Functions and Processes?2. Aquatic Food Webs?3. Terrestrial Wildlife?4. Fire (desired effect/HRV)?✔ History, current✔ Depends (NetMap can help!)✔ Local data for local effect
![Page 43: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/43.jpg)
Project or Unit Scale
1. Functions and Processes?2. Aquatic Food Webs?3. Terrestrial Wildlife?4. Fire (desired effect/HRV)?5. Economics✔Start with pilot project✔Tie into larger projects to help assure restoration
is affordable to meet social values
![Page 44: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/44.jpg)
Ecological Overview of Riparian Areas
1. Why riparian areas?
2. Their ecological role & our social values:
• function & process• aquatic food webs
• wildlife & fire
3. Landscape scale
4. Watershed scale
5. Project and Unit scale
6. Next Steps
![Page 45: Ecological Overview of Riparian Areas in the Blue Mountainssustainablenorthwest.org/uploads/general/Seager_Blues.pdfEcological Overview of Riparian Areas 1. Why riparian areas? 2.](https://reader033.fdocuments.us/reader033/viewer/2022060422/5f18828d946a7c7d9e19a1ee/html5/thumbnails/45.jpg)
Take what we’re discussing and learning today back to our collaboratives, our FS partners, and into the field
Next Steps
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Consider formalizing it to capture your values
Next Steps
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Questions?