Effects of Destratification on Depth Distribution of Fish

by Glen E. Gebhart, Research Asst.; Oklahoma Cooperative Fishery Research Unit, Oklahoma State Univ., Stillwater, Okla.,
Robert C. Summerfelt, Leader; Oklahoma Cooperative Fishery Research Unit, Oklahoma State Univ., Stillwater, Okla.,


Serial Information: Journal of the Environmental Engineering Division, 1976, Vol. 102, Issue 6, Pg. 1215-1228


Document Type: Journal Paper

Abstract: The writers' observations in Lake of the Arbuckles, Oklahoma, in 1973-1975 indicate that depth distributions of gizzard shad, white crappie, freshwater drum, and black bullhead were markedly affected by conditions of stratification. During stratification the distribution of all species except the bullhead was limited largely to oxygenated water above the hupolimnion. Fish depth distribution increased substantially after the fall overturn. Operation of an axial flow pump in the summers of 1974-1975 appeared to cause turnover 1 month earlier than shown by the writers' for 1973, and data of other workers for 1969-1970.

Subject Headings: Fish management | Water stratification | Labor | Lakes | Fresh water | Pumps | Oxygen | North America | Oklahoma | United States

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