1. Department of Microbiology, University of Manitoba, Winnipeg, Manitoba, R3T 2N2 Canada, Freshwater Institute, Department of Fisheries and Oceans, 501 University Crescent, Winnipeg, Manitoba, R3T 2N6 Canada, Department of Geography, McGill University, Montreal, Quebec, H3A 2K6 Canada, Institute of Ground Water Research, University of Waterloo, Waterloo, Ontario, N2L 3G1 Canada, Department of Botany, University of Manitoba, Winnipeg, Manitoba, R3T 2N2 Canada, Tetra Tech Incorporated, 180 Forestwood Drive,...