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USGS · 85658

Biota of the upper Mississippi River ecosystem

James G. Wiener·Teresa J. Naimo·Carl E. Korschgen·Robert Dahlgren·Jennifer S. Sauer·Kenneth S. Lubinski·Sara J. Rogers·Sandra Brewer
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Abstract

The Mississippi River is one of the world's major river systems in size, habitat and biotic diversity, and biotic productivity. The navigable Upper Mississippi River, extending 1,370 km (850 mi) from St. Anthony Falls (Minnesota) to the confluence with the Ohio River, has been impounded by 27 locks and dams to enhance commercial navigation. The reach between two consecutive locks and dams is termed a "pool." The upstream portions of many pools are similar to the unimpounded river, whereas the downstream reaches are similar to reservoirs.

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James G. Wiener, Teresa J. Naimo, Carl E. Korschgen, Robert Dahlgren, Jennifer S. Sauer, Kenneth S. Lubinski, Sara J. Rogers, Sandra Brewer. 1995. Biota of the upper Mississippi River ecosystem. https://pubs.usgs.gov/publication/85658

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