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The Long-Term Illinois River Fish Population Monitoring Program
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Excerpt from The Long-Term Illinois River Fish Population Monitoring Program: F-101-R Segments 6-10, Final Report to Be Submitted to the Illinois Department of Natural Resources and the U. S. Fish and Wildlife Service During late August and September each year 1994-1998, we sampled 26 sites on the Illinois River Waterway and one site on Reach 26 of the Mississippi River by electrofishing to monitor fish communities. From 1994-1998, we collected a total of fish representing 62 species (plus five hybrids) from fourteen families during hours of sampling at 26 sites on the Illinois Waterway and a single site on the Mississippi River. Of these fishes, individuals were collected from the Illinois Waterway sites, and 643 were collected from Brickhouse Slough of the Mississippi River. The year with the greatest overall catch of fishes was 1995 (7941 individuals, cpuen 325 fish per hour) and the year with the lowest overall catch of fishes was 1994 (3421 individuals, cpuen 131 fish per hour). For all stations combined, the greatest number of species were collected in 1995 (48 species plus 3 hybrids) and the least were in 1997 (38 species plus 4 hybrids). The number of species collected from upper waten/vay reaches ranged from 12 for Starved Rock in 1996 to 24 for Marseilles in 1995. The number of species collected from middle river reaches ranged from 23 for La Grange Reach in 1997 to 34 for Peoria Reach in 1996. The number of species collected from the lower river (alton Reach) ranged from 18 in 1994 to 25 in 1995. The Peoria Reach consistently had highest species richness during all years (1994-1998) of sampling for this project. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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