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Chesapeake Fish Passage Prioritization Project: Overview. Mary Andrews NOAA Julie Devers USFWS Erik Martin The Nature Conservancy Chesapeake Bay Fish Passage Work Group. Key Drivers. Agencies shift toward targeted restoration

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chesapeake fish passage prioritization project overview

Chesapeake Fish Passage Prioritization Project:Overview

Mary Andrews

NOAA

Julie Devers

USFWS

Erik Martin

The Nature Conservancy

Chesapeake Bay Fish Passage Work Group

key drivers
Key Drivers

Agencies shift toward targeted restoration

To target high priority dam removals and fish blockages based on our collective priorities

To have a consistent voice (Federal, State, local and non-profits) when advocating for bay-wide priority dam removals/passage projects

To justify additional funding

BEAN COUNTING

To act as a database for dam information, mileage opened and spatial tool to highlight our progress

chesapeake bay watershed anadromous scenario
Chesapeake Bay Watershed: Anadromous Scenario
  • Uses 1:24k high-resolution National Hydrography Dataset
    • 3,883 prioritized dams
  • Improved diadromous fish data
  • Ability to use tool for data management
    • Calculating miles opened
    • Map making
  • Ability to make changes to the prioritization
    • Select other ways to prioritize
cfppp metrics
CFPPP Metrics

Connectivity Status

  • Number of dams downstream to river mouth
  • Number of downstream fish passage facilities

Connectivity Improvement

  • Upstream functional network size.

Watershed and Local Condition Metric

  • Percent Impervious Surface in ARA of Upstream Functional Network
  • Percent Natural LC in ARA of Upstream Functional Network
  • Percent forested land cover in ARA of functional network (brook trout scenario)
  • Percent Impervious Surface in Contributing Watershed (potential)

Ecological Metrics

  • Number of anadromous species present downstream
  • American eel presence metric or American eel absence metric (exact metric TBD)
  • Stream Health

Size Metric

  • Number of upstream size classes >0.5 miles gained by removal
  • Small streams that connect directly to marine / estuarine habitat
decision support tool
Decision Support Tool
  • Web map application
    • Shows the overall Chesapeake Bay Fish Passage Prioritization – displays the consensus based ranking upfront
    • Query results and view in the context of other relevant data
    • Allow user to work at a different scale(subwatershed, state, etc)
    • Allow user to create custom weight scenarios
road crossings
Road Crossings
  • 144,788 total road crossings in Chesapeake Bay drainage
    • Vast majority of road crossings > 139,000 fall along small rivers and streams (drainages < 100 km2)
    • Field observations still the most reliable way to determine fish barriers
    • In Chesapeake, most road crossing barriers will impact resident species
    • Still a major issue for fish passage in general
addressing road crossings in cbfppp
Addressing Road Crossings in CBFPPP
  • Road and Railroad crossings are not “prioritized” in the current GIS tool
    • 37 times more roads crossings than dams
    • Select priority watershed based on dam ranking
    • Field assess road/railroad crossings in selected watershed