David Fastovich, University of Georgia, Geography, Athens, GA, United States, Tripti Bhattacharya, Syracuse University, Department of Earth and Environmental Science, Syracuse, NY, United States, Chijun Sun, University of California Davis, Department of Earth and Planetary Sciences, Davis, United States, Stephen Jackson, University of Wyoming, Department of Botany, Laramie, United States, Teresa Krause, Augsburg College, Biology, Minneapolis, United States, James M Russell, Brown University, Department of Earth, Environmental, and Planetary Sciences, Providence, United States and John W. Williams, University of Wisconsin Madison, Department of Geography and Center for Climatic Research, Madison, United States