1. Centre of Excellence for Environmental Decisions School of Biological Sciences University of Queensland St Lucia Qld 4072 Australia
2. School of Geography, Planning and Environmental Management University of Queensland St Lucia Qld 4072 Australia
3. Global Conservation Program Wildlife Conservation Society Bronx NY 10460 USA
4. Betty and Gordon Moore Centre for Science and Oceans Conservation International Arlington VA 22202 USA
5. School of Biological and Biomedical Sciences University of Durham South Road Durham DH1 3LE UK
6. Department of Genetics, Evolution and Environment Centre for Biodiversity and Environment Research University College London Gower Street London WC1E 6BT UK