Upper Midwest Environmental Sciences Center
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Gutreuter, S. (1997). Fish Monitoring by the Long Term Resource Monitoring Program on the Upper Mississippi River System: 1990-1994. United States Geological Survey, Report LTRMP-97-T004.
The Long Term Resource Monitoring Program (LTRMP) of the Upper Mississippi River System (UMRS) conducts highly standardized monitoring of fishes in Pools 4, 8, 13, and 26, in a segment of the unimpounded Mississippi River, and in the La Grange Pool of the Illinois River. The mission of the LTRMP is to provide decision makers with information for managing the UMRS as a sustainable large river ecosystem given its multiple-user character. In the report, the author summarizes the initial 5 years of fish monitoring by the LTRMP. The report documents temporal variability that will be critical to interpretation of future events and trends (consistent temporal changes), and documents important spatial patterns.