1. Department of Biology McGill University 1205 Dr. Penfield Avenue Montreal H3A 1B1 Canada
2. Department of Zoology and Biodiversity Research Centre University of British Columbia Vancouver V6T 1Z4 Canada
3. Center for Forest Research Département Science et Technologie Université du Québec 5800 Saint-Denis, Téluq Montreal H2S 3L5 Canada
4. Department of Ecology and Evolutionary Biology University of Colorado Boulder Colorado 80309 USA
5. Département de biologie Université de Sherbrooke 2500 Boulevard de l'Université Sherbrooke J1K 2R1 Canada
6. Department of Ecology, Evolution, and Behavior University of Minnesota 1479 Gortner Avenue St. Paul MN 55108 USA
7. Institute of Ecology College of Urban and Environmental Science, and Key Laboratory for Earth Surface Processes of the Ministry of Education Peking University 100871 Beijing China
8. ISEM CNRS Univ. Montpellier IRD EPHE Montpellier France
9. Centre for Biodiversity Theory and Modelling, Theoretical and Experimental Ecology Station CNRS 2 route du CNRS, 09200 Moulis France