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Catastrophe management and inter-reserve distance for marine reserve networks

Author

Listed:
  • Wagner, L.D.
  • Ross, J.V.
  • Possingham, H.P.

Abstract

We consider the optimal spacing between marine reserves for maximising the viability of a species occupying a reserve network. The closer the networks are placed together, the higher the probability of colonisation of an empty reserve by an occupied reserve, thus increasing population viability. However, the closer the networks are placed together, the higher the probability that a catastrophe will cause extinction of the species in both reserves, thus decreasing population viability. Using a simple discrete-time Markov chain model for the presence or absence of the species in each reserve we determine the distance between the two reserves which provides the optimal trade-off between these processes, resulting in maximum viability of the species.

Suggested Citation

  • Wagner, L.D. & Ross, J.V. & Possingham, H.P., 2007. "Catastrophe management and inter-reserve distance for marine reserve networks," Ecological Modelling, Elsevier, vol. 201(1), pages 82-88.
    • Handle: RePEc:eee:ecomod:v:201:y:2007:i:1:p:82-88
    DOI: 10.1016/j.ecolmodel.2006.07.030
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