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Nature 436, 919-920 (18 August 2005) | doi:10.1038/436919a; Published online 17 August 2005

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Biodiversity:  Turning up the heat on hotspots

Hugh P. Possingham1 & Kerrie A. Wilson1

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Different measures are used to define concentrations of biodiversity — so-called 'hotspots'. More rigorous, global-scale analyses of how they compare will be essential for efficient resource allocation to conservation.

The variety of life on Earth is in rapid decline1, and global spending on nature conservation is inadequate to arrest that decline2. Consequently, resources for conservation must be allocated to secure the 'biggest bang for our buck'.

  1. Hugh P. Possingham and Kerrie A. Wilson are at the Ecology Centre, University of Queensland, Brisbane, Queensland 4072, Australia.
    Email: h.possingham@uq.edu.au

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