Upper Midwest Environmental Sciences Center
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Figures| Figure 12. | Estimated mean density of zebra mussels (Dreissena polymorpha; number m-2) by study area, weighted by areas of strata from 1995 to 2000, Upper Mississippi River System |
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U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.umesc.usgs.gov/reports_publications/ltrmp/2000/summary_findings/figure12.html
Page Contact Information: Contacting the Upper Midwest Environmental Sciences Center
Page Last Modified:
October 2, 2007
