Folders: ROOT > ScienceBase Catalog > Upper Midwest Environmental Sciences Center (UMESC) > Upper Mississippi River Basin Data Portal ( Show direct descendants )
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The potential use of aquatic macrophytes as a bioindicator of the health of the Upper Mississippi River was assessed by analysis of submersed aquatic vegetation and water quality data collected through the Long Term Resource Monitoring Program (LTRMP) in Upper Mississippi River Pools 4, 8, and 13. Data from the main channel border and side channel strata were used because these strata are conducive to rapid data collection and are more susceptible to tributary influences than backwaters. Several aquatic macrophyte attributes were calculated by use of the LTRMP data set. These included percent frequency; relative frequency of exotic, sensitive, and tolerant species; plant abundance; species richness; Simpson’s Index...
The GIS technology revolution has come full circle for the U.S. Fish and Wildlife Service. In the late 1970s, the National Ecology Research Center initiated some of the boldest developments of that time by providing training and software support. Their efforts helped launch several federal and state agencies into a unified system of use and applications of GIS. Today, many Service facilities are utilizing GIS technology for a wide range of applications. Offices such as the Environmental Management Technical Center (EMTC) have developed state-of-the-art GIS technology centers. The EMTC GIS facility supports scientists studying the dynamics of the Nation's largest river, the Mississippi. Cause-and-effect relationships...
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