Documenting and Halting Declines of Nongame Fishes in Southern Wisconsin

David W. Marshall and John Lyons

in The Vanishing Present: Wisconsin's Changing Lands, Waters, and Wildlife

Published by University of Chicago Press

Published in print September 2008 | ISBN: 9780226871714
Published online February 2013 | e-ISBN: 9780226871745 | DOI:
Documenting and Halting Declines of Nongame Fishes in Southern Wisconsin

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Our knowledge of the distribution of most Wisconsin nongame fishes is limited because they have not been frequently surveyed. Between 1974 and 1980, the Wisconsin Department of Natural Resources (WDNR) conducted the Fish Distribution Study. More recently, the WDNR began a new statewide fish survey in part to allow a rewrite of the landmark Fishes of Wisconsin book. This chapter compares the results of these two surveys to examine how nongame fishes have declined in selected small streams and lakes in the southernmost quarter of Wisconsin. This region is generally the most densely populated with a landscape dominated by intensive agriculture and urbanization. Although some high-quality aquatic ecosystems remain, findings suggest that, if current trends continue, the future of these ecosystems is precarious. A conservation strategy is proposed to help protect these ecosystems and their fish faunas.

Keywords: nongame fishes; distribution; agriculture; aquatic ecosystems; urbanization

Chapter.  3578 words.  Illustrated.

Subjects: Biodiversity and Conservation Biology

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