1. Department of Biology University of Florida Gainesville FL USA
2. College of Forestry, Wildlife, and Environment Auburn University Auburn AL USA
3. USDA Forest Service Sparks NV USA
4. Department of Geography Colgate University Hamilton NY USA
5. Department of Biology Southwestern University Georgetown TX USA
6. Woodwell Climate Research Center Falmouth MA USA
7. Melnikov Permafrost Institute Siberian Branch of the Russian Academy of Sciences Yakutsk Russian Federation
8. Northeast Science Station Cherskiy Russian Federation