1. Marlboro Institute for Liberal Arts and Interdisciplinary Studies, Emerson College, Boston, MA, USA
2. Department of Geography, Dartmouth College, Hanover, NH, USA
3. Department of Geography, University of Oregon, Eugene, OR, USA
4. Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, NY, USA
5. Department of Earth, Energy, and Environment, University of Calgary, Calgary, Alberta, Canada