1. Department of Environmental, Earth and Ocean Sciences; University of Massachusetts; Boston; MA; USA
2. School of Natural Resources; University of Michigan; Ann Arbor; MI; USA
3. Rangeland Resources Research Unit; USDA Agricultural Research Service; Fort Collins; CO; USA
4. Department of Ecology, Evolution, and Marine Biology; University of California; Santa Barbara; CA; USA
5. Hopkins Marine Station; Stanford University; Pacific Grove; CA; USA
6. Department of Environmental Science and Policy; University of California; Davis; CA; USA
7. Institute of Integrative Biology; ETH; Zurich; Switzerland
8. School of Aquatic and Fishery Sciences; University of Washington; Seattle; WA; USA
9. Department of Biological Sciences; University of South Carolina; Columbia; SC; USA
10. Department of Forestry and Natural Resources and Department of Biological Sciences; Purdue University; West Lafayette; IN; USA