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Technology Improves Salmon Passage At Hydropower Dams

Achilles Tang

By Achilles Tang,
in General Reefkeeping_

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Achilles Tang

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Acoustic tags and numerical river models are two technologies that are helping improve salmon passage at the Columbia Basin's hydroelectric dams. An average of 76 percent of juvenile Chinook salmon that pass through the lower 100 miles of the Snake River and its three hydroelectric dams survived the trek in the spring of 2008, according to a joint study between PNNL and the U.S. Army Corps of Engineers' Portland District.

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