1. University of Groningen Nijenborg 7 9747AGGroningen The Netherlands
2. Princeton University 106A Guyot Ln Princeton NJ08544USA
3. Leiden University Einsteinweg 2 2333CCLeiden The Netherlands
4. Tanzania National Parks Arusha Tanzania
5. Department of Wildlife, Fish and Environmental Studies Swedish University of Agricultural Sciences Umeå901 83 Sweden
6. Centre for African Conservation Ecology, Department of Zoology Nelson Mandela University PO Box 77000 Port Elizabeth6031 South Africa
7. Environmental Sciences group Copernicus Institute of Sustainable Development, Utrecht University PO Box 80115 3508 TCUtrecht The Netherlands
8. University of Hohenheim, Institute of Crop Science, Biostatistics Unit Fruwirthstrasse 23 70599Stuttgart Germany
9. University of Glasgow GlasgowG128QQUK
10. Centre for African Ecology, School of Animal, Plant and Environmental Sciences University of the Witwatersrand Wits2050South Africa