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Yale Environment 360: In most major rivers in the U.S., maintaining some semblance of the integrity of migratory fish runs past hydropower dams is dependent upon the fish using ladders and elevators as freely as do two-legged humans. But is this asking too much?
Six colleagues and I undertook a study of the success -- or, rather, failure -- of Atlantic salmon, American shad, river herring, and other species in migrating from the sea to their spawning grounds past a gauntlet of dams on three rivers in the northeastern......
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Blocked Migration: Fish Ladders On U.S. Dams Are Not Effective
Posted by Yale Environment 360: John Waldman on April 4th, 2013
Posted in Water Conservation