Colonization, variability, and the use of substratum-filled trays for biomonitoring benthic communities

  title={Colonization, variability, and the use of substratum-filled trays for biomonitoring benthic communities},
  author={William H Clements and John H. Van Hassel and Donald S. Cherry and John M. Cairns},
Sampling variability and colonization rate of introduced substrates (plastic trays filled with pebble and cobble) in two southwestern Virginia streams are described. Substrates were rapidly colonized by aquatic macroinvertebrates, but colonization rates differed between years, possibly due to annual variability in macroinvertebrate abundance. To examine the applicability of using these substrates for biomonitoring benthic communities, trays were placed at several locations in a river receiving… CONTINUE READING
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