A summary of fish data in six reaches of the Upper Mississippi River System, 1999

Burkhardt, R. W., S. DeLain, E. Kramer, A. Bartels, M. C. Bowler, E. Ratcliff, D. P.
Herzog, K. S. Irons, and  T. M. O'Hara. 2001. 1999 Annual Status Report: A summary
of fish data in six reaches of the Upper Mississippi River System. U.S. Geological
Survey, Upper Midwest Environmental Sciences Center, La Crosse, Wisconsin, July
2001. LTRMP 2001-P002. 14 pp. + Chapters 1 6

ABSTRACT

The Long Term Resource Monitoring Program (LTRMP) completed 2,692 collections
of fishes from stratified random and permanently fixed sampling locations in six study
reaches of the Upper Mississippi River System during 1999. Collection methods
included day and night electrofishing, hoop netting, fyke netting (two net sizes), gill
netting, seining, anchored trammel netting, and bottom trawling in selected aquatic
area classes. The six LTRMP study reaches are Pools 4 (excluding Lake Pepin), 8, 13,
and 26 of the Upper Mississippi River, an unimpounded reach of the Mississippi River
near Cape Girardeau, Missouri, and the La Grange Pool of the Illinois River. A total of
66 76 fish species were detected in each study reach. For each of the six LTRMP
study reaches, this report contains summaries of (1) sampling efforts for each
combination of gear type and aquatic area class, (2) total catches of each species from
each gear type, (3) mean catch-per-unit of effort statistics and standard errors for
common species from each combination of aquatic area class and selected gear type,
and (4) length distributions of common species from selected gear types.

KEYWORDS

1999 annual report, fish, LTRMP, Mississippi River