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Environment


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November 10, 2009

New antenas will let biologists track fish throughout life cycle

  • Researchers are eager to find out if the millions spent each year on habitat improvements and managing stream flow really make a difference.
    • By TODD DVORAK
    Associated Press Writer

    WARREN, Idaho — Biologists studying salmon in the Pacific Northwest have for decades lost track of the fish just as they set out on life's last leg, that final upstream lunge to spawn and die in the remote, backcountry streams and creeks in Oregon, Washington and central Idaho.

    In many ways, an inability to track the fish has taught them even less about the first year of life, forcing researchers to make assumptions about salmon behavior and the influence habitat restoration and other expensive recovery programs are having on the threatened and endangered species.


     
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