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Study seeks to determine how descent from dams affects fry

 

July 21, 2015

YOUNG STEELHEAD swim in a tank at Green Peter Dam.

For a young salmon or steelhead, going over a 450-foot dam can be a big problem.

Green Peter Dam may hold the solution for spring Chinook and winter steelhead trying to do that at Cougar and Detroit dams.

The U.S. Army Corps of Engineers has conducted experiments, most recently at the end of June, to find out just what juvenile fish may face sliding through a pipe down the face of a dam, what the likelihood of injury is and what kind of injuries the young fish might sustain.

“We are exploring ways to move the fish from a trap above the dam to the river below it with little to no human...



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