University of New Hampshire, Institute for the Study of Earth, Oceans and Space, Durham, NH 03824 United States ; University of New Hampshire, Department of Natural Resources, Durham, NH 03824 United States
Department of Geography, University of Maryland, College Park, MD 20742 United States
D. B. Warnell School of Forest Resources, University of Georgia, Athens, GA 30602 United States
Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138 United States
University of New Hampshire, Institute for the Study of Earth, Oceans and Space, Durham, NH 03824 United States