1. Department of Biology, Canadian Rivers Institute University of New Brunswick Fredericton New Brunswick Canada
2. Department of Biology, Faculty of Forestry and Environmental Management, Canadian Rivers Institute University of New Brunswick Fredericton New Brunswick Canada
3. School of Geography University of Nottingham Nottingham UK
4. Centre Eau Terre Environnement Institute National de la Recherche Scientifique Québec Québec Canada
5. Department of Geography McGill University Montreal Québec Canada