1. Department of Biology and Graduate Degree Program in Ecology Colorado State University Fort Collins CO USA
2. Environmental Sciences Division and Climate Change Science Institute Oak Ridge National Laboratory Oak Ridge TN USA
3. Earth Systems Research Center Institute for the Study of Earth, Oceans, and Space University of New Hampshire Durham NH USA
4. Division of Geological and Planetary Sciences California Institute of Technology Pasadena CA USA
5. NASA Jet Propulsion Lab California Institute of Technology Pasadena CA USA