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    Description

    A 90-cm-diameter culvert with off-set baffles was set at a 10-percent gradient in an artificial stream channel on Admiralty Island, Alaska. Coho salmon, Dolly Varden char, and cutthroat trout, all less than 120-mm fork length, were able to move up the 9-m culvert. Additional work is needed to determine an upper discharge limit and to evaluate field installations.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Bryant, Mason D. 1981. Evaluation of a small diameter baffled culvert for passing juvenile salmonids. Res. Note PNW-RN-384. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station. 8 p

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    Keywords

    Fish habitat, culvert construction, road building (forest/logging), salmonids

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https://www.fs.usda.gov/treesearch/pubs/7650