Dave Halsing, Executive Project Manager Project History 2003 - - PowerPoint PPT Presentation

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Dave Halsing, Executive Project Manager Project History 2003 - - PowerPoint PPT Presentation

Jul 16, 2023 112 likes •399 views

Castro Valley Rotary Club April 7, 2020 Dave Halsing, Executive Project Manager Project History 2003 Transfer from Cargill to Federal and State agencies Public and private funds for purchase Cargill donated a portion

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Castro Valley Rotary Club – April 7, 2020 Dave Halsing, Executive Project Manager

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  • 2003 Transfer from

Cargill to Federal and State agencies

  • Public and private funds

for purchase

  • Cargill donated a portion
  • 16,500 acres total
  • 15,100 acres in South Bay

Project History

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Project Sites

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Ecological Trade-offs

Tidal marsh species vs. salt pond species

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Amount of tidal marsh restored Time 2008 2058 Phased implementation of Project 50:50 tidal marsh: ponds 90:10 tidal marsh: ponds

Adaptive Management Restoration

Phase 1 got us here. Phase 2 will get us here.

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Looking Back at Phase 1

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3,000 acres

  • f tidal &

muted tidal restoration; 700 acres enhanced managed ponds

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Public Access

7 miles of new trails Levee-top Boardwalk Viewing platforms Kayak launch

Pelican Media

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Looking Ahead

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Our Phase 2 Projects

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Phase 2 at Eden Landing

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Phase 2 at Eden Landing

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Phase 2 at Eden Landing

  • All of southern Eden Landing
  • Staged implementation
  • Connection to Alameda Creek Flood Control

Channel

  • Allows for reuse of dredged material
  • Final EIR certified May 2019
  • Design & permitting 2020 to mid-2021
  • Construction to follow
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Stage 1

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Stage 1

Up to 3 fish habitat connections with ACFCC; need Section 408 permit and ACFCD approval

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Stage 2

Pond- dependent wildlife permitting

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Alameda County Line

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Island Ponds

Construction this fall

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Thank You!

Dave Halsing

dave.halsing@scc.ca.gov 650-814-0588

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Sediment & Sea-Level Rise

Successful so far, but questions remain

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Bird Use of Ponds

  • Phase 1 actions not wholly successful
  • What else can we do?
  • Can we keep concentrating nests?
  • How can we effectively control predators?
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Ecotones