Predators are rare even when they are small

نویسندگان

  • Marissa A. Ahlering
  • James E. Carrel
چکیده

A recent review of published studies revealed that predators generally have lower population densities than non-predators in a variety of communities. We report here similar results for a highly replicated study of macroinvertebrates that colonized very uniform detrital microcosms in an old field. This pattern persisted even though predators usually were smaller than non-predators, as determined by body length and volume.

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تاریخ انتشار 2001