1. Institute of Ecology, Leuphana University Lueneburg, 21335 Lueneburg, Germany.
2. Department of Agroecology, Georg-August-University Goettingen, 37077 Goettingen, Germany.
3. Department of Biology, University of Massachusetts Boston, Boston, MA 02125, USA.
4. Graduate School for Production Ecology and Resource Conservation, Wageningen University, 6700 AA Wageningen, The Netherlands.
5. School of Earth and Environmental Sciences, Washington State University Vancouver, Vancouver, WA 98686, USA.
6. Department of Biology, Stanford University, Stanford, CA 94305-5020, USA.
7. CSIRO Sustainable Ecosystems, Canberra, ACT 2601, Australia.
8. Mihai Eminescu Trust, Sighisoara 545400, Romania.
9. Department of Land, Air, and Water Resources, University of California, Davis, CA 95616, USA.
10. Department of Environmental Science, Policy and Management, University of California, Berkeley, CA 94720-3114, USA.
11. Department of Geography, Humboldt-Universität zu Berlin, 10247 Berlin, Germany, and Potsdam Institute for Climate Impact Research, 14412 Potsdam, Germany.
12. Fenner School of Environment and Society, The Australian National University, Canberra, ACT 0200, Australia.
13. School of Natural Resources and Environment, University of Michigan, Ann Arbor, MI 48109, USA.
14. Department of Environmental Sciences, University of Toledo, Toledo, OH 43606-3390, USA.
15. Center for Methods, Leuphana University Lueneburg, 21335 Lueneburg, Germany.