Juvenile salmon heading upstream to grow and increase their
chances of survival often meet a sizable obstacle -- a poorly
designed road cuvlert blocking the way.
Northwest and Alaska will use the scientific data gathered from
the new culvert test bed at Skookumchuck to retrofit existing
culverts and design new ones that ease fish passage.
Consider the test culvert bed an aquatic version of a wind
tunnel: it allows researchers to see how salmon handle a culvert
design before its installation.
Gary Johnson of the Pacific Northwest National Laboratory lowers juvenile coho salmon into a new culvert testing system to demonstrate its effectiveness. Skookumchuck hatchery manager Jim Dills is beside him during the dedication tour of the Tenino area facility Tuesday.
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