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Document Type

Article

Publication Date

1962

Keywords

Gizzard shad--Growth

Abstract

This investigation was part of a general study aimed at shedding light upon the role of the gizzard shad (Dorosoma cepedianum) as a forage fish of certain game fish species. Recent changes in the populations of such game fish species as the walleye ( Stizastedion vitreum), northern pike ( Esox lucius) , and largemouth bass (Micropterus salmoides) in the upper Mississippi River suggest that the gizzard shad population might have an important bearing on the present situation. The purpose of this investigation was to study the growth rates of the gizzard shad in the Upper Mississippi River during their first summer of life. The observations and collections of the fish were limited largely to certain areas of the Trempealeau Pool on either side of the city of Winona.

First Page

22

Last Page

25

Primo Type

Article

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