1. Department of Biological Sciences, University of Alberta, Edmonton, Alberta T6G 2E9, Canada
2. Department of Geography, University of Toronto Mississauga, Mississauga, Ontario L5L 1C6, Canada
3. NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109, United States
4. Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Alberta T6G 2E3 Canada
5. Environment and Climate Change Canada, Canadian Centre for Inland Waters, Burlington, Ontario, L7S 1A1, Canada
6. Department of Biology, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada