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Showing 1 to 4 of 4 for “"Illinois streams"”.
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Crayfish: Scavenger or deadly predator? Examining a potential predator-prey relationship between crayfish and benthic fish in aquatic food webs
… between crayfish and Percid benthic fish in Illinois streams, for food resources and refuge from larger predators. Previous research, though, has ignored a potential predator-prey interaction between these two groups. I examined a possible relationship between crayfish and benthic fish …
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The Importance of Cover and Other Habitat Features to The Distribution and Abundance of Illinois Stream Fishes (Sunfish, Cyprinids)
… results. Fish distributions in several small Illinois streams were related to the availability of depth and cover features using survey data and cover manipulations. Large fish were more often associated with deep areas and cover than small fish; centrarchids were more often associated with …
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Predicting suspended sediment in Illinois rivers using dimensionless rating curves
Suspended sediment concentrations in Illinois are a serious concern to the environment and navigability of Illinois rivers, the Mississippi River and the Gulf of Mexico. Therefore, understanding the amount of sediment in a river is important. Measuring the sediment, though, can be a lengthy, …
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Sampling adequacy of freshwater mussel surveys and variation of mussel species richness in Illinois wadeable streams
… 18 wadeable-stream sites mainly in east-central Illinois, selected based on watershed size, dominant-substrate type, and historic species diversity. With 16 man-hour search per site, my sampling crew collected 27-942 individuals and 5-18 species per site. I estimated the total species richness at …