Department of Biology and Canadian Rivers Institute, University of New Brunswick Saint John, Saint John, New Brunswick E2L4L5, Canada;
Department of Biology, Forestry and Environmental Management, and Canadian Rivers Institute, University of New Brunswick, Fredericton, New Brunswick E3B4A3, Canada;
Department of Earth and Environmental Sciences, Acadia University, Wolfville, Nova Scotia B4P2R6, Canada;
Department of Biology and School of Geography & Earth Sciences, McMaster University, Hamilton, Ontario LSS 4K1, Canada;