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Taking the Pulse of a River System: Research on the Upper Mississippi River System

Short summaries of long-term research projects concerning the biological health of this section of the Mississippi river.

by Sauer, Jennifer S. and Johnson, Barry L.
U.S. Geological Survey Fact Sheet 2009-3045
This publication is available only as a PDF document.
Related topics:
Animal and plant census, Aquatic biology, Aquatic vegetation, Ecology, Invasive species, Migratory species, River systems, Rivers
Hydrologic units
Upper Mississippi,
States or counties
Illinois, Iowa, Minnesota, Missouri, Wisconsin

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