1. National Center for Ecological Analysis & Synthesis; 735 State Street; Santa Barbara; CA; 93101; USA
2. Division of Biological Sciences, University of California - San Diego; 9500 Gilman Drive #0116; La Jolla; CA; 92130; USA
3. NASA Goddard Institute for Space Studies; 2880 Broadway; New York; NY; 10025; USA
4. Department of Biology, McGill University; 1205 ave Docteur Penfield; Montreal; Quebec; H3A 1B1; Canada
5. Biodiversity Research Centre; University of British Columbia; 6270 University Blvd; Vancouver; BC; V6T 1Z4; Canada
6. Department of Biology; Lund University; Ecology Bldg; SE-223 62; Lund; Sweden
7. U.S. Geological Survey; National Research Program; 1955 E. 6th Street; Tucson; AZ; 85719; USA