He is an aquatic ecologist whose research focuses on limnology and food web ecology and has extensive experience working with First Nations within the Great Lakes basin. Currently he is collaborating with the Saugeen-Ojibway First Nations on cumulative effects assessment in their traditional territories, including the Lake Huron lake bed.Stressors addressed: Eutrophication (nutrients, nitrogen, phosphorus, sewage/CSOs), fisheries (non-native stocking, native stocking, chemical/ecological, commercial, recreational (non-charter), recreational (charter), aquaculture).