1. University of Maryland, College Park, MD
2. Duke University, Durham, NC
3. University of California, Santa Cruz, CA
4. University of New Mexico, Albuquerque, NM
5. Princeton University, Princeton, NJ
6. Ecological Society of America, Washington, DC
7. David and Lucile Packard Foundation, Los Altos, CA
8. U.S. Geological Survey, Columbia, MO
9. Johns Hopkins University, Baltimore, MD
10. University of Calgary, Alberta, Canada
11. Instituto de Ecologia, Xalapa, Mexico
12. Stanford University, Pacific Grove, CA
13. Institute of Ecosystem Studies, Millbrook, NY
14. University of Michigan, Ann Arbor, MI
15. University of California, Santa Barbara, CA
16. COMPASS, Washington, DC
17. University of Colorado, Boulder, CO
18. University of Wisconsin, Madison, WI.