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    Author(s): Bret C. HarveyRodney J. Nakamoto
    Date: 1996
    Source: Transactions, American Fisheries Society 125(2): 237-243.
    Publication Series: Miscellaneous Publication
    PDF: Download Publication  (76 KB)


    Abstract - Weight change in age-0 coho salmon, Oncorhynchus kisutch at about natural density was negatively related to the density of juvenile steelhead (anadromous rainbow trout O. mykiss) in a 6-week experiment conducted in July-August 1993 in the north and south forks of Caspar Creek, California. The experiment used 12 enclosed stream sections, each containing a pool and a portion of upstream riffle, with two replicates of three steelhead densities-zero, natural density (1X), and twice the natural density (2X)-on both the north and south forks. The natural density of coho salmon was about one-sixth the density of steelhead. Coho salmon survival was high (87% overall) and not related to treatments.

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    Harvey, Bret C.; Nakamoto, Rodney J. 1996. Effects of steelhead density on growth of Coho salmon in a small coastal California stream. Transactions, American Fisheries Society 125(2): 237-243.


    PSW4351, Caspar Creek, coho salmon, steelhead density, salmonids, habitat partitioning

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