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Corridors best facilitate functional connectivity across a protected area network.

Frances E C Stewart1,2, Siobhan Darlington3, John P Volpe3

  • 1School of Environmental Studies, University of Victoria, Victoria, BC, V8Z 2Y2, Canada. fecstewart@gmail.com.

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Animal movement is key to biodiversity conservation. This study shows animals naturally use self-similar corridors, challenging the "stepping stone" approach for protected area network design.

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Area of Science:

  • Ecology
  • Conservation Biology
  • Animal Behavior

Background:

  • Understanding animal movement is crucial for effective biodiversity conservation, especially within protected area networks.
  • Current conservation strategies often rely on assumptions about animal movement patterns that are difficult to test across large landscapes.

Purpose of the Study:

  • To investigate animal movement decisions in response to heterogeneous landscapes using advanced biologging technology.
  • To test common hypotheses about functional connectivity, including structural corridors, least cost paths, and stepping stones.

Main Methods:

  • Utilized a tractable protected area network mesocosm.
  • Employed cutting-edge biologging technology to collect fine-scale spatiotemporal movement data.
  • Analyzed movement data to evaluate functional connectivity hypotheses.

Main Results:

  • Animals consistently moved along structurally self-similar corridors.
  • Findings challenge the efficacy of the
  • stepping stone
  • model for protected area network objectives.

Conclusions:

  • Animal movement patterns favor structurally consistent corridors over fragmented 'stepping stone' habitats.
  • Conservation planning for protected area networks should prioritize maintaining corridor connectivity based on observed animal movement.