1. Institute of Biological & Environmental Science; University of Aberdeen; Zoology Building, Tillydrone Avenue Aberdeen AB24 2TZ UK.
2. Department of Ecology; Swedish University of Agricultural Science, Grimso Wildlife Research Station; SE-730 91 Riddarhyttan Sweden
3. Norwegian institute for nature research; P.O. Box 5685 Sluppen NO-7485 Trondheim Norway
4. Département de biologie; Faculté des Sciences, Université de Sherbrooke; 2500, boulevard de l'Université Sherbrooke J1K 2R1 Canada
5. Department of Biology and Biotechnologies; University of Rome ‘La Sapienza’; Piazzale Aldo Moro, 5 00185 Roma Italy
6. Faculty of Natural Sciences, Department of Biological and Environmental Sciences; University of Stirling; Stirling FK9 4LA U.K.
7. Wildlife Conservation Research Unit, Zoology Department; University of Oxford, The Recanati-Kaplan Centre; Abingdon OX13 5QL U.K.
8. Department of Fisheries and Wildlife; University of Minnesota; St. Paul MN 87102 U.S.A.
9. The James Hutton Institute, Craigiebuckler; Aberdeen AB15 8QH UK
10. Environmental Psychology, Department of Architecture and Built Environment; Lund University; PO Box 118 221 Lund Sweden
11. Biotechnical Faculty, Biology Department; SI-1000 Ljubljana Slovenia
12. UCD School of Agriculture & Food Science; University College Dublin Belfield; Dublin 4 Ireland
13. Department of Geography, Environment and Development Studies; Birkbeck, University of London; London WC1H 9EZ U.K.
14. Department of Political Science; Umeå University; SE-901 87 Umeå Sweden
15. Gothenburg Research Institute; University of Gothenburg; Box 603 405 30 Göteborg Sweden
16. Norwegian institute for nature research; Gaustadalléen 21 NO-0349 Oslo Norway
17. Faculty of Environmental Sciences and Natural Resource Management; Norwegian University of Life Sciences; PO Box 5003 NO - 1432 Ås Norway
18. Department of European and International Public Law; Tilburg University; PO Box 90153 5000 LE Tilburg The Netherlands
19. NERFC Centre for Ecology & Hydrology, Bush Estate; Penicuik, Midlothian EH26 0QB UK
20. Department of Zoology and Merton College, Tasso Leventis Professor of Biodiversity; University of Oxford; Oxford OX1 3PS U.K.