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1992 annual status report: A summary of aquatic vegetation monitoring at selected locations in Pools 4, 8, 13, and 26 and La Grange Pool of the Upper Mississippi River System


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Aquatic vegetation of the Upper Mississippi River System is monitored as part of the Long Term Resource Monitoring Program. This report summarizes the 1992 effort of monitoring submersed aquatic vegetation (SAV) along transects permanently established in vegetated locations within four navigation pools of the Upper Mississippi River and one navigation pool of the Illinois River. More species of submersed aquatic macrophytes were found along transects in lower Pool 4 than in any other reach. La Grange Pool and Pool 26 transects had the fewest species. Across all pools, sago pondweed (Potamogeton pectinatus) and coon's tail (Ceratophyllum demersum) were the species most frequently found. Several species of SAV were seasonally dynamic [...]


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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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