Threatened juvenile salmon get scientific ...( Highway Administration pooled funds to...)

Highway Administration pooled funds totaling $1.16 million to contract with PNNL to conduct the first phase of a five-year $3.4 million interdisciplinary program. Scientists with extensive natural resources and hydraulics expertise were selected from PNNL's Marine Sciences Laboratory in Sequim, Wash., and from PNNL's Hydrology Group in Richland, Wash., to design, install and operate the culvert test bed. PNNL recently completed installation of the test bed, has tested the mechanics of the device, and is currently performing hydraulic characterization.

Passage of juvenile salmon through culverts is a significant Endangered Species Act issue for Pacific states. Scientists recognize fish passage both up and downstream is crucial for the rearing and feeding of young salmon. The test bed enables controlled experiments that will yield the behavioral and hydraulics data to address this ESA issue.

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Contact: Geoffrey Harvey
geoffrey.harvey@pnl.gov
509-372-6083
DOE/Pacific Northwest National Laboratory
18-Aug-2003

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