1. Institute of Arctic and Alpine Research (INSTAAR), Department of Ecology and Evolutionary Biology and Environmental Studies Program, University of Colorado, Boulder, CO
2. Department of Ecosystem and Conservation Sciences, University of Montana, Missoula, MT
3. Department of Land, Air and Water Resources, University of California, Davis, Davis, CA
4. INSTAAR and Department of Geological Sciences, University of Colorado, Boulder, CO
5. INSTAAR, Department of Geological Sciences and Environmental Studies Program, University of Colorado, Boulder, CO