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1 September 2006 Evaluation of Cinygmula (Ephemeroptera: Heptageniidae) Drift Behavior as an Indicator of Aqueous Copper Contamination
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Abstract

We designed an in situ assay for investigating macroinvertebrate drift behavior in response to a point source of environmental pollution. As a model, we used Cinygmula nymphs to assess both the presence and level of copper contamination in a stream that was polluted with effluent from an abandoned copper mine. The study showed that Cinygmula exhibited increased tendency to drift with increased exposure to aqueous copper. Cinygmula drift behavior exhibited graded responses to increasing concentrations of aqueous copper up to and including 78 ppb. The results indicated that a simple yet sensitive in situ bioassay could be used to detect environmentally important levels of copper contamination in Haggarty Creek.

Ryan P. Stitt, Richard W. Rockwell, David E. Legg, and Jeffrey A. Lockwood "Evaluation of Cinygmula (Ephemeroptera: Heptageniidae) Drift Behavior as an Indicator of Aqueous Copper Contamination," Journal of the Kentucky Academy of Science 67(2), 102-108, (1 September 2006). https://doi.org/10.3101/1098-7096(2006)67[102:EOCEHD]2.0.CO;2
Published: 1 September 2006
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