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Emergence of the midge chironomus tentans when exposed to heavy metal contaminated sediment

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Abstract

This experiment tested the effects of heavy metal contaminated sediment on emergence of chironomids. The number of adults emerging from test chambers containing an uncontaminated sediment and ones with sediment containing 1030 ppm cadmium (Cd), 17,300 ppm zinc (Zn), and 1640 ppm chromium (Cr) were observed for 14 days. It was found that emergence was reduced by over three times and delayed for two days in the heavy metal contaminated sediment.

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References

  • Macek, K., Buxton, K., Derr, S., Dean, J. & Saunter, S. 1976.Chronic toxicity of lindane to selected aquatic invertebrates and fishes. Eco. Res. Ser. EPA-600 J 3–76–046. 58 p.

  • Wentsel, R., McIntosh, A. & Atchison, G. 1977a. Sublethal effects of heavy metal contaminated sediment on midge larvae (Chironomus tentans). Hydrobiologipa. In press.

  • Wentsel, R., McIntosh, A., McCafferty, W. P., Atchison G. & Anderson, V.. 1977b. Avoidance response of midge larvae (Chironomus tentans) to sediments containing heavy metals. Hydrobiologia. In press.

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Authors and Affiliations

  1. Bionucleonics Department, School of Pharmacy and Pharmacal Sciences, Purdue University, 47907, W. Lafayette, IN

    R. Wentsel, A. McIntosh & W. P. McCafferty

  2. Entomology Department, Purdue University, 47907, W. Lafayette, IN

    W. P. McCafferty

Authors
  1. R. Wentsel
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  2. A. McIntosh
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  3. W. P. McCafferty
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Wentsel, R., McIntosh, A. & McCafferty, W.P. Emergence of the midge chironomus tentans when exposed to heavy metal contaminated sediment. Hydrobiologia 57, 195–196 (1978). https://doi.org/10.1007/BF00014573

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  • DOI: https://doi.org/10.1007/BF00014573

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