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Distribution and food habits of young-of-the-year fishes in a backwater lake of the upper Mississippi River

Journal of Freshwater Ecology

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Abstract

The distribution patterns and food habits of young-of-the-year (YOY) fishes in a lentic area adjacent to the main channel of Pool 7 of the upper Mississippi River were studied. Habitats sampled grouped distinctly based on percent composition and abundance of YOY fishes with those having submergent vegetation dominated by a number of important sport species. In late spring, the grouping of stations depended on the presence or absence of newly transformed northern pike (Esox lucius). In early summer, stations did not differ as distinctly in composition, but in total abundance of young. Those stations with submergent vegetation had total catches which were more than double those elsewhere. By late summer, submergent and mixed vegetation stations formed a distinct assemblage influenced by the preponderance of three species of sunfishes. (DBO).

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Distribution and food habits of young-of-the-year fishes in a backwater lake of the upper Mississippi River
Series title:
Journal of Freshwater Ecology
Volume
3
Issue:
1
Year Published:
1985
Language:
English
Publisher:
U.S. Fish and Wildlife Service
Contributing office(s):
Upper Midwest Environmental Sciences Center
Description:
pp. 81-91
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Journal of Freshwater Ecology
First page:
81
Last page:
91
Number of Pages:
11