Jennifer Adkins, Executive Director
Partnership for the Delaware Estuary

Upstream-Downstream
Connections Delaware
River W...
Partnership for the
Delaware Estuary
• Non-profit organization
• Leading science-based and
collaborative efforts to improv...
Upstream – Downstream
Connections…
… A Story About Sediment,
Shellfish, and Friends
Sediment is Born Upstream
• Wants to stay in the bossum of the Forest
• Picks up a couple of friends
• Nutrients
• Contami...
Sediment Grows Up
• Gets together with flow
• Forms powerful alliance, attracts new
members from vulnerable areas
• Storm ...
Biofiltration Potential
Start
No mussels

8 adult mussels

Slide from Dick Neves, VA Tech
Biofiltration Potential
Later
No mussels

8 adult mussels

Slide from Dick Neves, VA Tech
Sediment & the City
• Makes it to the big city
• Gets into it with the law
• Philadelphia Water Department
• Army Corps of...
Sediment Has Mid-Life Crisis
• Turbid Middle Age
• Legal issues
• Relationship with flow
• Army Corps of Engineers

• Runs...
Sediment Retires at the Beach!
• Settles down (by choice or coersion)
• Runs into old friends
• Ribbed mussels

• Finds a ...
Tidal Wetlands
Status:
•421,137 acres of wetlands
• 39.9% tidal (165,500 acres)

Trends:
• 2.2% loss 1996-2006
• Largest l...
Next
Generation
Sediment On
Its Way ?!
• New Friends &
Partners Needed!

State of the
Estuary 2012
In This Story…
Sediment is the
main character
Shelfish are our
heroes, but there
are others too:
• forests
• macros
• wetl...
Questions?
Thanks!
Jadkins@DelawareEstuary.org
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Upstream-Downstream Connections in the Delaware River Watershed by Jennifer Adkins

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Upstream-Downstream Connections in the Delaware River Watershed by Jennifer Adkins

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Upstream-Downstream Connections in the Delaware River Watershed by Jennifer Adkins

  1. 1. Jennifer Adkins, Executive Director Partnership for the Delaware Estuary Upstream-Downstream Connections Delaware River Watershed in the Jennifer Adkins Executive Director 110 S. Poplar St, Suite 202, Wilmington, DE  (302)655-4990  Jadkins@DelawareEstuary.org
  2. 2. Partnership for the Delaware Estuary • Non-profit organization • Leading science-based and collaborative efforts to improve the tidal Delaware River and Bay • One of 28 National Estuary Programs MOU with EPA, DRBC, PA, NJ, DE,PWD • Working together for clean water, thriving fish and wildlife, and abundant recreational activities in and around the tidal Delaware River and Bay to support communities and a robust economy
  3. 3. Upstream – Downstream Connections… … A Story About Sediment, Shellfish, and Friends
  4. 4. Sediment is Born Upstream • Wants to stay in the bossum of the Forest • Picks up a couple of friends • Nutrients • Contaminants • Others try to get it back • Schuylkill Action Network • Christina Basin Partnership
  5. 5. Sediment Grows Up • Gets together with flow • Forms powerful alliance, attracts new members from vulnerable areas • Storm water runoff • In stream erosion • But makes new friends • Freshwater mussels • Macroinvertibrates • Forests
  6. 6. Biofiltration Potential Start No mussels 8 adult mussels Slide from Dick Neves, VA Tech
  7. 7. Biofiltration Potential Later No mussels 8 adult mussels Slide from Dick Neves, VA Tech
  8. 8. Sediment & the City • Makes it to the big city • Gets into it with the law • Philadelphia Water Department • Army Corps of Engineers • Runs into old friends • Mussel beds
  9. 9. Sediment Has Mid-Life Crisis • Turbid Middle Age • Legal issues • Relationship with flow • Army Corps of Engineers • Runs into friends of friends • Oysters
  10. 10. Sediment Retires at the Beach! • Settles down (by choice or coersion) • Runs into old friends • Ribbed mussels • Finds a good home • Tidal wetlands Wish You Were Here!
  11. 11. Tidal Wetlands Status: •421,137 acres of wetlands • 39.9% tidal (165,500 acres) Trends: • 2.2% loss 1996-2006 • Largest loss in lower bayshore (NJ 7%!)
  12. 12. Next Generation Sediment On Its Way ?! • New Friends & Partners Needed! State of the Estuary 2012
  13. 13. In This Story… Sediment is the main character Shelfish are our heroes, but there are others too: • forests • macros • wetlands
  14. 14. Questions? Thanks! Jadkins@DelawareEstuary.org

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