1. Department of Biology; McGill University; Montréal Québec Canada H3A 1B1
2. Interuniversity Research Group in Limnology; McGill University; Montréal Québec Canada H3A 1B1
3. Department of Biology; University of Regina; Regina Saskatchewan Canada S4S 0A2
4. Centre for Advanced Studies of Blanes CEAB-CSIC; Blanes Catalonia 17300 Spain
5. CREAF, Cerdanyola del Vallès; Catalonia 08193 Spain
6. INRA UMR 42 CARRTEL Alpine Center for Research on Trophic Networks of Limnetic Ecosystems; Thonon-les-bains Cedex 74203 France
7. National Research Council; Institute of Ecosystem Study; 28922 Verbania-Pallanza Italy
8. School of Geography; University of Nottingham; University Park; Nottingham NG7 2RD UK
9. School of Geography; University of Nottingham Malaysia Campus; Jalan Broga Selangor Darul Ehsan Malaysia
10. Department of Biology; University of Ottawa; Ottawa Ontario Canada K1N 6N5
11. Department of Biological Sciences; University of Alberta; Edmonton Alberta Canada T6G 2R3