Philosophical Transactions of the Royal Society B: Biological Sciences
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Investing in evolutionary history: implementing a phylogenetic approach for mammal conservation

Ben Collen

Ben Collen

Institute of Zoology, Zoological Society of London, Regent's Park, London NW1 4RY, UK

[email protected]

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Samuel T. Turvey

Samuel T. Turvey

Institute of Zoology, Zoological Society of London, Regent's Park, London NW1 4RY, UK

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Carly Waterman

Carly Waterman

Conservation Programmes, Zoological Society of London, Regent's Park, London NW1 4RY, UK

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Helen M. R. Meredith

Helen M. R. Meredith

Conservation Programmes, Zoological Society of London, Regent's Park, London NW1 4RY, UK

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Tyler S. Kuhn

Tyler S. Kuhn

Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, BC, CanadaV5A 1S6

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Jonathan E. M. Baillie

Jonathan E. M. Baillie

Conservation Programmes, Zoological Society of London, Regent's Park, London NW1 4RY, UK

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Nick J. B. Isaac

Nick J. B. Isaac

Centre for Ecology and Hydrology, Maclean Building, Benson Lane, Crowmarsh Gifford, Wallingford, Oxfordshire OX10 8BB, UK

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Published:https://doi.org/10.1098/rstb.2011.0109

    Under the impact of human activity, global extinction rates have risen a thousand times higher than shown in the fossil record. The resources available for conservation are insufficient to prevent the loss of much of the world's threatened biodiversity during this crisis. Conservation planners have been forced to prioritize their protective activities, in the context of great uncertainty. This has become known as ‘the agony of choice’. A range of methods have been proposed for prioritizing species for conservation attention; one of the most strongly supported is prioritizing those species that maximize phylogenetic distinctiveness (PD). We evaluate how a composite measure of extinction risk and phylogenetic isolation (EDGE) has been used to prioritize species according to their degree of unique evolutionary history (evolutionary distinctiveness, ED) weighted by conservation urgency (global endangerment, GE). We review PD-based approaches and provide an updated list of EDGE mammals using the 2010 IUCN Red List. We evaluate how robust this method is to changes in phylogenetic uncertainty, knowledge of taxonomy and extinction risk, and examine how mammalian species that rank highly in EDGE score are representative of the collective from which they are drawn.

    Footnotes

    One contribution of 14 to a Theme Issue ‘Global strategies for the conservation of mammals’.

    References