Upstream Changes in Fish Populations following Impoundment of Sagehen Creek, California
- 1 July 1973
- journal article
- Published by Oxford University Press (OUP) in Transactions of the American Fisheries Society
- Vol. 102 (3) , 626-629
- https://doi.org/10.1577/1548-8659(1973)102<626:ucifpf>2.0.co;2
Abstract
Fish populations were compared before (1952–1961) and after (1970–1972) construction of Stampede Reservoir in a mile of Sagehen Creek above the reservoir. Relative abundance and species composition were quite different after reservoir construction. Suckers (Catostomus platyrhynchus and C. tahoensis) are now numerically dominant (79% of all fish); whereas, formerly they made up 18% (by numbers) of the fish composition. Rainbow trout have increased, but brown trout and whitefish have decreased; and brook trout have not been collected since impoundment. Reservoir construction is the only major change in the Sagehen Creek watershed.Keywords
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