1. School
of Environment and Sustainability, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5CB, Canada
2. Department
of Animal and Poultry Science, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5AB, Canada
3. Watershed
Hydrology and Ecology Research Division, Water Science and Technology
Directorate, Environment Canada, Saskatoon, Saskatchewan S7N 3H5, Canada
4. Department
of Biology, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5E2, Canada