The quality and isolation of habitat patches both determine where butterflies persist in fragmented landscapes

  title={The quality and isolation of habitat patches both determine where butterflies persist in fragmented landscapes},
  author={J. A. Thomas and Nigel A. D. Bourn and R. T. Clarke and K. Elaine Stewart and David J. Simcox and Geoff Pearman and Robin J. Curtis and Brian Christopher Goodger},
  journal={Proceedings of the Royal Society of London. Series B: Biological Sciences},
  pages={1791 - 1796}
  • J. Thomas, N. Bourn, B. Goodger
  • Published 7 September 2001
  • Environmental Science
  • Proceedings of the Royal Society of London. Series B: Biological Sciences
Habitat quality and metapopulation effects are the main hypotheses that currently explain the disproportionate decline of insects in cultivated Holarctic landscapes. The former assumes a degradation in habitat quality for insects within surviving ecosystems, the latter that too few, small or isolated islands of ecosystem remain in landscapes for populations to persist. These hypotheses are often treated as alternatives, and this can lead to serious conflict in the interpretations of… 

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