Affiliation: | (1) Department of Biological Sciences, University of Maine, Orono, ME, USA;(2) Present address: Department of Environmental Health, Harvard School of Public Health, Boston, MA, USA;(3) BioDiversity Research Institute, Gorham, ME, USA;(4) U.S. Geological Survey, Biological Resources Division, Maine Cooperative Fish and Wildlife Research Unit, University of Maine, Orono, ME, USA |