Departmental Reports


Title:

Investigations of Management Techniques for Public fishing Lakes: Study XII Key Limnological Factors Related to Fish Management in Large Impoundments
Study XIII Developing Crappie Fisheries on Alabama Reservoirs



Author(s):

Reeves, W., D. Bayne and M. Maceina



Date: 1991



Funding Agency: Alabama Department of Conservation and Natural Resources



Keywords: impoundment, fisheries, management, water quality, crappie, fishing, limnology



Category: Domestic Funded Research Report



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Summary/Recommendations/Objectives:

Managing recreational fisheries in Alabama;s reservoirs requires
information including biological, societal and economic factors.

 

By


considering the biological potential as well as fisherman attitudes for a
particular water body, specific management alternatives can be investigated.
It is generally believed that increases in fertility of lake waters
result in increased fish biomass and sportfish harvest (reviewed by Carline
1986). Whether this increase occurs over the entire trophic range
(oligotrophy to hypereutrophy) or only over a portion of it and the identity
of limnological variables which influence fish response to increased fertility
are both pertinent questions in view of coday's increased demands and more
intensive management of large river impoundments. A portion of the rising
demand on lake use comes from sporcfishing enthusiasts, but other interests
(e.g" recreation, municipal-industrial, hydropower and irrigation) are also
intensifying their uses of these resources. In response, the U.s.
Environmental Protection Agency is encouraging all states to develop
numerical, lake-specific water quality standards to control eutrophication and
other pollution problems.

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