Population dynamics of house mice without mammalian predators and competitors

Authors:
  • JIJohn Innes
    John Innes
  • NFNeil Fitzgerald
    Neil Fitzgerald
  • SBScott Bartlam
    Scott Bartlam
  • CWCorinne Watts
    Corinne Watts
  • MSMark Smale
    Mark Smale
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Abstract
Mesopredator and competitor release can lead to population increases of invasive house mice (Mus musculus) after larger introduced mammals are controlled or eradicated. In New Zealand, mammal-resistant fences have enabled multi-species mammal eradications in order to protect indigenous species. When house mice are the only mammals remaining in these biodiversity sanctuaries, they may reach a high population density, with potential consequences for their indigenous prey.