1. Canada Research Chair in Ecosystem Health Assessment, Department of Biology, University of New Brunswick, Saint John, New Brunswick E2L 4L5
2. Department of Biology, University of New Brunswick, Fredericton, New Brunswick E3B 5A3
3. National Water Research Institute, Environment Canada, 867 Lakeshore Road, Burlington, Ontario L7R 4A6
4. Fisheries and Oceans Canada, Maritimes Region, Gulf Fisheries Centre, 343 University Avenue, P.O. Box 5030, Moncton, New Brunswick E1C 9B6