1. Department of Biology, Duke University, Durham, NC 27708 USA.
2. University of Wisconsin Center for Limnology, Madison, WI 53706, USA.
3. Ecological Society of America, 1707 H Street NW, Suite 400, Washington, DC 20006, USA.
4. Division of Biology, Kansas State University, Manhattan, KS 66506, USA.
5. Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA.
6. Center for Sustainability and the Global Environment, University of Wisconsin, Madison, WI 53706, USA.
7. Department of Biological Sciences, University of Notre Dame, Notre Dame, IN 46556, USA.
8. Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI 48109, USA.
9. Environmental and Societal Impacts Group/National Center for Atmospheric Research, 3250 Mitchell Lane, Boulder, CO 80301, USA.
10. Resources for the Future, 1616 P Street NW, Washington, DC 20036, USA.
11. Department of Ecology, University of Georgia, Athens, GA 30602, USA.
12. Millennium Ecosystem Assessment, 731 North 79th Street, Seattle, WA 98103, USA.
13. Coastal Fisheries Institute and Department of Oceanography and Coastal Sciences, Louisiana State University, Baton Rouge, LA 70803, USA.
14. Department of Ecology, Faculty of Agronomy–IFEVA, University of Buenos Aires–CONICET, Buenos Aires 1417, Argentina.
15. Nicholas School of Environment and Earth Sciences, Duke University, Durham, NC 27708, USA.
16. Natural Resource Ecology Laboratory, Colorado State University, Fort Collins, CO 80523, USA.
17. United States Department of Agriculture Forest Service, Post Office Box 12254, Research Triangle Park, NC 27709, USA.