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Species diversity of benthic macroinvertebrates in salt creek oklahoma usa


, : Species diversity of benthic macroinvertebrates in salt creek oklahoma usa. Proceedings of the Oklahoma Academy of Science 70: 9-12

Forty-four taxa of benthic macroinvertebrates were collected from July 1986 to November 1987 in rock-filled baskets placed at five stations in Salt Creek, Osage County, Oklahoma. Number of taxa was lowest at the upstream stations, exhibited little change at the three middle stations and increased abruptly at the downstream station. No consistent spatial pattern in numbers of individuals was observed. Mean Shannon-Weiner diversity () ranged from 1.23 at the upstream station in May 1987 to 2.73 at the downstream station in September 1987. Diversity increased downstream during all seasons. Two mayflies, Stenonema and Caenis, and one caddisfly, Hydropsyche, were the most abundant genera collected.

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