1. Global Conservation Program; Wildlife Conservation Society; Bronx NY 10460 U.S.A
2. School of Geography, Planning and Environmental Management; The University of Queensland; St. Lucia QLD 4072 Australia
3. Department of Biology; University of North Carolina at Chapel Hill; Chapel Hill NC 27599 U.S.A
4. School of Biological Sciences; The University of Queensland; St. Lucia QLD 4072 Australia
5. University of Northern British Columbia; School of Ecosystem Sciences and Management; Prince George Canada
6. Equilibrium Research; 47 The Quays, Cumberland Road Bristol BS1 6UQ United Kingdom
7. International Union for Conservation of Nature; Gland Switzerland
8. World Agroforestry Center; University of the Philippines Los Baños; Laguna Philippines
9. School of Geography and Environmental Studies; University of Tasmania; Hobart Australia