1. Department of Biogeography and Global Change; National Museum of Natural Sciences; CSIC; C/ José Gutiérrez Abascal, 2 28006 Madrid Spain
2. Forest Ecology and Restoration Group; Department of Life Sciences; University of Alcalá; Science Building 28871 Alcalá de Henares Madrid Spain
3. CEFE UMR 5175; CNRS - Université de Montpellier - Université Paul-Valéry Montpellier - EPHE; 1919 Route de Mende F-34293 Montpellier Cedex 5 France
4. Section for Ecoinformatics and Biodiversity; Department of Bioscience; Aarhus University; Ny Munkegade 114 DK-8000 Aarhus C Denmark
5. Computational Ecology and Environmental Science Group; Microsoft Research Cambridge; 7 J J Thomson Ave Cambridge CB3 0FB UK
6. CIBIO-InBIO; Universidade de Évora; Largo dos Colegiais 7000 Évora Portugal
7. Center for Macroecology, Evolution and Climate; The Natural History Museum of Denmark; University of Copenhagen; Copenhagen DK-2100 Denmark