Living Shoreline Projects: 2009ccrm.vims.edu › education › seminarpresentations › fall... ·...

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Living Shoreline Projects: 2009 Updates Karen A. Duhring Marine Advisory Scientist Center for Coastal Resources Management Virginia Institute of Marine Science College of William & Mary September 17, 2009

Transcript of Living Shoreline Projects: 2009ccrm.vims.edu › education › seminarpresentations › fall... ·...

Page 1: Living Shoreline Projects: 2009ccrm.vims.edu › education › seminarpresentations › fall... · Living Shoreline Projects: 2009 Updates Karen A. Duhring Marine Advisory Scientist

Living Shoreline Projects:  2009 Updates

Karen A. Duhring

Marine Advisory ScientistCenter for Coastal Resources Management

Virginia Institute of Marine ScienceCollege of William & Mary

September 17, 2009

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Grant‐Funded Demonstration SitesGrant Funded Demonstration Sites

• Holly Point Nature ParkHolly Point Nature Park

• Reedville Fishermen’s Museum

• Hermitage Foundation Museum

• Virginia Zoological Park

• Longwood University’s Hull Springs FarmLongwood University s Hull Springs Farm

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Partially Funded by Middlesex County Wetlands Board

HOLLY POINT NATURE PARK ATGrant‐Funded and Public Demonstration Sites

HOLLY POINT NATURE PARK AT DELTAVILLE MARITIME MUSEUM

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Holly Point Nature ParkDeltaville, VA

2007Before

High tide at bulkhead     too deep for natural marsh Wide gentle slope visible at low tidep

Proposed sand fill and planting areaExisting marsh visible in background used to design height and width of 

created tidal marsh

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Holly Point Nature ParkDeltaville, VA

2007

LESSON LEARNED

DuringInstalling fiber logs is much easier at low tide, but not impossible at high tide

H l d ill d dHoles pre‐drilled and stakes tied together

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Holly Point Nature ParkDeltaville, VA

2007During

Sand fill containedSand fill contained by fiber logs

Tidal marsh planted byplanted by volunteers

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Holly Point Nature ParkDeltaville, VA

2007After 2 months

August 2007   2 months after planting

W kl i ti d l t l tWeekly inspections and plant replacement

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Holly Point Nature ParkDeltaville, VA

2009After 2 yrs

September 2009 

Less than 100% cover, shade – limited ?

h f b lMarsh grasses growing into fiber logs 

Will the sand fill persist after the logs p gdecay  ???

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Featured on Public Television

“Virginia Homegrown”

Grant‐Funded and Public Demonstration Sites

REEDVILLE LIVING SHORELINES TEACHING GARDENTEACHING GARDEN

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Reedville Fishermen’s Museum, Northumberland County

2005Before

I i i l l d id l h ll illInvasive species control + planted tidal marsh + small sill + riparian buffer restoration

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Reedville Fishermen’s Museum Northumberland County, VA

2009After 4 yrs

Photo by S. Tipton

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Reedville Fishermen’s Museum Northumberland County, VA

2009

LESSON LEARNED Ch ti l t f i i b ff t ti b d

Photos by S. Tipton

Choose native plants for riparian buffer restoration area based on variable site conditions

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Elizabeth River Project River Star

HERMITAGE MUSEUM & GARDENSGrant‐Funded and Public Demonstration Sites

HERMITAGE MUSEUM & GARDENSNORFOLK, VA

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Hermitage Museum and Gardens Norfolk, VA 2006 Before

Small toe scour revetment at historic wall sand fill planted marsh

Photo by W. Priest

Small toe scour revetment at historic wall, sand fill, planted marsh, gapped sills

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Hermitage Museum, Norfolk VA2009

After 3 yrs

Photo by W. Priest

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Hermitage Museum, Norfolk VA2009LESSON LEARNED

Wide gap between sills created erosion area in 

planted marsh

Photo by W. Priest

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Hermitage Museum, Norfolk VA2009

Curator Yolima Carr showing riparian buffer g prestoration area, including native plants, walking paths and interpretive signs

Heirloom and Native Plant Sale – Saturday, September 26  8 am – 1 pm

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VIRGINIA ZOOLOGICAL PARKGrant‐Funded and Public Demonstration Sites

NORFOLK, VA

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Virginia ZooNorfolk, VA

2007Before

Upland excavation, existing marsh enhancement, upland buffer restoration Beforeupland buffer restoration

Photo by W. Priest Photo by K. DuBois

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Virginia ZooNorfolk, VA

2009After 1 growing seasonAfter 1 growing season

LESSONS LEARNED

Photo by W. Priest

Ideal planting times don’t always coincide with construction schedule, but project can still be successful

LESSONS LEARNED

Goose fencing essential until plants are established

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Virginia ZooNorfolk, VA

2009

LESSON LEARNEDPlanted marshes make excellent traps for floating garbage

LESSON LEARNED

Another filtering service provided by living shoreline projects

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Virginia ZooNorfolk, VA

2009

Wetland Restoration Project Fact Sheet

www.virginiazoo.org/documents/WetlandsFactSheet.pdf

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Award Winner

LONGWOOD UNIVERSITY’S Grant‐Funded and Public Demonstration Sites

HULL SPRINGS FARMWESTMORELAND COUNTYWESTMORELAND COUNTY

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Longwood University’s Hull Springs Farm Westmoreland County, VA

2005BeforeBefore

VIMS coastal geologist Scott Hardaway surveying shoreline conditions for 

project designp j g

Natural marsh limitNatural marsh limit

View looking south

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Longwood University’s Hull Springs Farm Westmoreland County, VA

2008DuringDuring

Marsh sill with tidal gap + sand fill 

installed June 2008Natural marsh limit

installed June 2008 

Tid l h l ti b l tTidal marsh planting by volunteers 

August 2008

View looking south View looking north

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Longwood University’s Hull Springs Farm Westmoreland County, VA

June 2009After 1 growing seasonAfter 1 growing season

Photos by W. Priest

View looking south View looking north

Coming Soon – undergraduate research findings 

What ecological effects did the marsh sill project have on 

benthic and shallow water habitats?

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Longwood University’s Hull Springs Farm Westmoreland County, VALESSONS LEARNED

C bbl t b hi d tid l t h li th tCobblestone behind tidal gap prevents shoaling that interferes with tidal inundation 

Volunteers work well with planning and close supervision

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Longwood University’s Hull Springs Farm Westmoreland County, VA

2009LESSONS LEARNED 

Contractor Recognition

2008 Ecological Excellence Award for Construction 

g

Awarded to project contractor Earth Resources, Inc. 

by Virginia Chapter Soil and Water Conservation Society

From left: Bobbie Burton executiveFrom left: Bobbie Burton, executive director of Hull Springs Farm; Dan Brown, president of Earth Resources; Katie Register, Hull Springs Farm's program director; and Dr. Alix Fink, a Longwood conservation biologist and member of the Hull Springs Farm Board.

Photo courtesy Longwood University e‐news 

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Thanks for Sharing Interest in Living Shoreline Projects

Contact Info:Contact Info:Karen Duhring

[email protected](804) 684‐7159