Replacement of the Indigenous Amphipod Gammarus duebeni celticus by the Introduced G. pulex: Differential Cannibalism and Mutual Predation

Authors:
  • JDJaimie T. A. Dick
    Jaimie T. A. Dick
  • IMIan Montgomery
    Ian Montgomery
  • RERobert W. Elwood
    Robert W. Elwood
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Abstract
1. Following introductions in the 1950s, Gammarus pulex has replaced the native Irish freshwater amphipod G. duebeni celticus in several river systems. We show ...