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9780887556784
Douglas A. Watkinson is a Fish Habitat Research Biologist with Fisheries and Oceans Canada, at the Freshwater Institute, in Winnipeg. He has done research on stock identification of walleye from Lake Winnipeg, species at risk in Western Canada, the pelagic fish community of Lake Winnipeg, instream flow needs of prairie river fishes, and the effects of habitat modification on fish community structure.Stewart, Kenneth W. is the author of 'Freshwater Fishes Of Manitoba', published 2004 under ISBN 9780887556784 and ISBN 0887556787.
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