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Introduction

The Long Term Resource Monitoring Program (LTRMP), a component of the Environmental Management Program for the Upper Mississippi River System (UMRS), is administered by the U.S. Geological Survey’s Upper Midwest Environmental Sciences Center (UMESC) in La Crosse, Wisconsin. The LTRMP supports six field stations operated by state agencies in Illinois, Iowa, Minnesota, Missouri, and Wisconsin (Figure 1) to collect most of the monitoring data. Information on important ecosystem components, including water quality, fish, vegetation, and macroinvertebrates are obtained annually using standardized procedures. Other data such as land cover/land use and bathymetry are gathered and analyzed periodically. Monitoring activities focus primarily on six study areas: Navigation Pools 4, 8, 13, and 26 and the Open River Reach on the Mississippi River and the La Grange Pool on the Illinois River. Information from monitoring activities and a variety of other sources are available at the Center’s Data Library Web site http://www.umesc.usgs.gov/
data_library/data_library.html. This report summarizes activities, results, and highlights from the LTRMP during 2002 for hydrology, sedimentation, bathymetry, land cover/land use, water quality, fish, vegetation, and macroinvertebrates.