1. Institució Catalana de Recerca i Estudis Avançats (ICREA); Barcelona Spain
2. Institut de Ciència i Tecnologia Ambientals (ICTA); Universitat Autònoma de Barcelona; 08193 Bellatera, Barcelona Spain
3. Global Change and Conservation (GCC), Helsinki Institute of Sustainability Science (HELSUS), Faculty of Biological and Environmental Sciences; University of Helsinki; Helsinki Finland
4. Organismal and Evolutionary Biology Research Programme; University of Helsinki; Helsinki Finland
5. Department of Human Ecology; Rutgers University; New Brunswick, NJ U.S.A.
6. MTA Centre for Ecological Research; GINOP Sustainable Ecosystems Group; 8237, Tihany Hungary
7. Institute of Biology Bucharest, Romanian Academy; 060031, Bucharest Romania
8. PARTNERS Reforestation Network; University of Connecticut; Mansfield, CT U.S.A.
9. Department of Anthropology; Indiana University; Bloomington IN U.S.A.