fish passage

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  • Anadromous Salmonid Fish Passage Facility Design

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    Anadromous Salmonid Fish Passage Facility Design

    National Marine Fisheries Service | July 26, 2011...
    Summary

    The primary effect of barriers (e.g., hydroelectric dams, water storage projects, irrigation diversions, impassable culverts, etc.) on Pacific salmonids is the reduction in...

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  • Bulletin 250: Fish Passage Improvement: An Element of CALFED’s Ecosystem Restoration Program

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    Bulletin 250: Fish Passage Improvement: An Element of CALFED’s Ecosystem Restoration Program

    Department of Water Resources | June 16, 2005...
    Summary

    Since the 1800s, salmon and steelhead spawning habitat in California has declined 95 percent, from 6,000 miles of rivers and streams to 300...

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  • Guidelines for salmonid passage at stream crossings

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    Guidelines for salmonid passage at stream crossings

    National Marine Fisheries Service | August 20, 2013...
    Summary

    This document provides guidelines for design of stream crossings to aid upstream and downstream passage of migrating salmonids. It is intended to facilitate...

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  • Technologies for Passing Fish at Large Dams

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    Technologies for Passing Fish at Large Dams

    Department of Water Resources | June 1, 2013...
    Summary

    Given the possible conditions that may exist in Central Valley streams as the climate warms, many researchers and agencies have recognized the need...

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  • Yolo Bypass Salmonid Habitat Restoration and Fish Passage Implementation Plan

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    Yolo Bypass Salmonid Habitat Restoration and Fish Passage Implementation Plan

    | September 21, 2012...
    Summary

    Significant modifications have been made to the historic floodplain of California‘s Central Valley for water supply and flood damage reduction purposes. The resulting...

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