Conserving Biodiversity Efficiently: What to Do, Where, and When

Kerrie A Wilson, Emma C Underwood, Scott A Morrison, Kirk R Klausmeyer, William W Murdoch, Belinda Reyers, Grant Wardell-Johnson, Pablo A Marquet, Phil W Rundel, Marissa F McBride, Robert L Pressey, Michael Bode, Jon M Hoekstra, Sandy Andelman, Michael Looker, Carlo Rondinini, Peter Kareiva, M Rebecca Shaw and Hugh P Possingham

PLOS Biology, 2007, vol. 5, issue 9, 1-12

Abstract: Conservation priority-setting schemes have not yet combined geographic priorities with a framework that can guide the allocation of funds among alternate conservation actions that address specific threats. We develop such a framework, and apply it to 17 of the world's 39 Mediterranean ecoregions. This framework offers an improvement over approaches that only focus on land purchase or species richness and do not account for threats. We discover that one could protect many more plant and vertebrate species by investing in a sequence of conservation actions targeted towards specific threats, such as invasive species control, land acquisition, and off-reserve management, than by relying solely on acquiring land for protected areas. Applying this new framework will ensure investment in actions that provide the most cost-effective outcomes for biodiversity conservation. This will help to minimise the misallocation of scarce conservation resources. : Given limited funds for biodiversity conservation, we need to carefully prioritise where funds are spent. Various schemes have been developed to set priorities for conservation spending among different countries and regions. However, there is no framework for guiding the allocation of funds among alternative conservation actions that address specific threats. Here, we develop such a framework, and apply it to 17 of the world's 39 Mediterranean-climate ecoregions. We discover that one could protect many more plant and vertebrate species by investing in a sequence of conservation actions targeted towards specific threats, such as invasive species control and fire management, rather than by relying solely on acquiring land for protected areas. Applying this new framework will ensure investment in actions that provide the most cost-effective outcomes for biodiversity conservation. A new framework applied to 17 of the world's Mediterranean ecoregions reveals that investing in a sequence of conservation actions targeted towards specific threats will protect more species than just acquiring land for protected areas.

Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pbio00:0050223

DOI: 10.1371/journal.pbio.0050223

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