1. Département de Sciences Biologiques; Université de Montréal; Montréal H2V 2J7 Canada
2. Québec Centre for Biodiversity Sciences; McGill University; Montréal H3A 1B1 Canada
3. Department of Ecology; Montana State University; Bozeman MT 59715 U.S.A.
4. Beaty Biodiversity Research Centre; University of British Columbia; Vancouver V6T 1Z4 Canada
5. Department of Ecology and Evolutionary Biology; University of Toronto; Toronto M5S 3B2 Canada
6. Département de Biologie; Université de Sherbrooke; Sherbrooke J1K 2R1 Canada
7. Departamento de Ecologia, Instituto de Biociências; Universidade de São Paulo; São Paulo 05508-090 Brazil
8. Department of Ecology and Evolutionary Biology; University of Arizona; Tucson AZ 85721 U.S.A.
9. School of Natural Resources and Environment; University of Arizona; Tucson AZ 85721 U.S.A.
10. Pacific Wildland Fire Sciences Laboratory; USDA Forest Service; Seattle WA 98103 U.S.A.
11. Department of Bioscience; Aarhus University; Aarhus 8000 Denmark
12. Departamento de Biologia Animal, Instituto de Biologia; Universidade Estadual de Campinas (UNICAMP); Campinas 13083-862 Brazil
13. Life & Environmental Sciences; University of California Merced; Merced CA 95343 U.S.A.
14. Santa Fe Institute; Santa Fe NM 87501 U.S.A.