Predicting Depth Distribution of Fish in Three TVA Storage-Type Reservoirs
- 1 January 1948
- journal article
- Published by Oxford University Press (OUP) in Transactions of the American Fisheries Society
- Vol. 75 (1) , 65-71
- https://doi.org/10.1577/1548-8659(1945)75[65:pddofi]2.0.co;2
Abstract
Depths at which largemouth bass (Huro salmoides), walleye (Stizostedion vitreum), and sauger (S. canadense) were most abundant in Norris, Douglas, and Cherokee Reservoirs were predicted on a weekly or bi-weekly basis during summer of 1946. Information was released through local newspapers. Predictions were based on relation of temperature and dissolved oxygen to distribution of fish taken in gill nets in 1943, 1944, and 1945. On June 2 the prediction was the same for all three reservoirs. Because of changes in thermal stratification and in supply of dissolved oxygen, fish distribution could not be expected to remain similar in any two reservoirs. Field analyses and a method of presenting predictions are described. Managers and guides at five out of the six fishing docks felt this service improved the fishing success, especially of individuals unaccustomed to storage reservoirs. With refinements and evaluations for specific applications such a program might pay good dividends on private or public waters.Keywords
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