1. Department of Environmental Biology, University of Guelph, Guelph, Ontario N1G 2W1, Canada, National Water Research Institute, Environment Canada, 867 Lakeshore Road, Burlington, L7R 4A6 Ontario, Canada, Chicago Zoological Society c/o Mote Marine Laboratory, 1600 Ken Thompson Parkway, Sarasota, Florida 34236, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Southeast Fisheries Science Center, 101 Pivers Island Road, Beaufort, North Carolina 28516, National Oceanic and...