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1995 annual status report: A summary of aquatic vegetation monitoring at fixed transects in Pools 4, 8, 13, 26 and La Grange Pool of the Upper Mississippi River System




Distribution and frequency of aquatic vegetation in the Upper Mississippi River System are monitored as part of the Long Term Resource Monitoring Program. This report summarizes results of sampling aquatic vegetation along fixed transects in Navigation Pools 4, 8, 13, and 26 in the Upper Mississippi River and La Grange Pool of the Illinois River in 1995. Pool 26 includes 12 miles of the Illinois River upstream of its confluence with the Mississippi River; all of the backwaters surveyed in this river reach are on the lower Illinois River. Plants were sampled using a modified rake technique along fixed transects. Data from additional qualitative surveys (or informals) was used to augment species records in each pool. Twenty-three submersed [...]



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  • Upper Midwest Environmental Sciences Center (UMESC)



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U.S. Geological Survey, Environmental Management Technical Center, Onalaska, Wisconsin

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