Ecological impacts of lead mining on Ozark streams: toxicity of sediment and pore water.

  title={Ecological impacts of lead mining on Ozark streams: toxicity of sediment and pore water.},
  author={John M. Besser and William G. Brumbaugh and Ann L. Allert and Barry C. Poulton and Christopher J Schmitt and Christopher G. Ingersoll},
  journal={Ecotoxicology and environmental safety},
  volume={72 2},
We studied the toxicity of sediments downstream of lead-zinc mining areas in southeast Missouri, using chronic sediment toxicity tests with the amphipod, Hyalella azteca, and pore-water toxicity tests with the daphnid, Ceriodaphnia dubia. Tests conducted in 2002 documented reduced survival of amphipods in stream sediments collected near mining areas and reduced survival and reproduction of daphnids in most pore waters tested. Additional amphipod tests conducted in 2004 documented significant… CONTINUE READING
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