R. Davinroy, R. Rapp, Roger E. Myhre
Dec 9, 1998
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Abstract
An intensified hydroacoustic study of fishes in Bendway Weir fields of the Middle Mississippi River was conducted by the St. Louis District Corps of Engineers. The study focused on determining the positive impacts that Bendway Weirs have had on aquatic species, in particular; macro and micro invertebrates and fish. This paper will summarize the effort that has been set forth on the river. Several new data collection techniques will be discussed, including the hydroacoustics used for determining fish location and size, and a new methodology to collect actual fish specimens in deep, sediment laden water.