Nebraska Game and Parks Commission

 

Document Type

Article

Date of this Version

January 1967

Comments

Published in Reservoir Fishery Resources Symposium, American Fisheries Society, Washington, 1967, p. 537-540.

Presented by the Reservoir Committee of the Southern Division, American Fisheries Society at the University of Georgia, Center for Continuing Education, Athens.

Copyright © 1967 American Fisheries Society. Used by permission.

Abstract

Physicochemical data from four reservoirs in Nebraska taken within a 30-hour period in August, revealed moderate thermal stratification, closely associated in two reservoirs with the functioning low-level outlet. The reservoirs with thermoclines exhibited greater temperature ranges and contained cooler waters than did reservoirs without thermoclines. The distribution of fish as detected on sonar often revealed the presence and location of a thermocline prior to physical or chemical data verification.

Without exception, the larger the reservoir and the lower the outlet, the better the reservoir fishery. Downstream fisheries ranked the same with one exception.

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