Can vertebrate predators regulate their prey?

  • Erlinge S
  • Goransson G
  • Hogstedt G
 et al. 
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Abstract

Whether vertebrate predators can regulate their prey or not has long been a controversial question. At the one extreme it has been claimed that predators have no impact on prey numbers but consume only a doomed surplus (Errington 1946), and at the other that predators strongly interact with their prey causing either stable equilibria or cycles (Tanner 1975; Keith et al. 1977). However, there are no field studies showing a regulatory effect of predation among vertebrates. Here we report on such a study.

Author-supplied keywords

  • population regulation
  • predator-prey

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Authors

  • Sam Erlinge

  • Gorgen Goransson

  • Goran Hogstedt

  • Goran Jansson

  • Olof Liberg

  • Jon Loman

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