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  1. Crayfish species assemblages in softwater lakes in seven tertiary watersheds in south-central Ontario / report prepared by S. M. David ... [et al.].
    Publication info: [Toronto] :Ontario, Ministry of Environment and Energy,1997.
    Contributed by: Ontario Ministry of the Environment (
    Subjects: Crayfish  Effect of water quality on  Ontario, Southern  
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  2. The effect of altered streamflow on migratory birds of the Yellowstone River Basin, Montana / by Tom Hinz.
    By: Hinz, Tom. - Montana. - Old West Regional Commission.
    Publication info: Helena :Water Resources Division, Montana Dept. of Natural Resources & Conservation,1977.
    Contributed by: Montana State Library (
    Subjects: Birds  Effect of water levels on  Effect of water quality on  Streamflow  Water birds  Yellowstone River  Yellowstone River Watershed  
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  3. Framework for evaluating response of aquatic toxicity and fish habitat to water quality control in the Don River : supporting document #2 - strategy for improvement of Don River water quality / report prepared by Beak Consultants Limited and Paul Theil Associates Ltd.
    By: Beak Consultants. - Ontario. - Paul Theil Associates - Toronto Area Watershed Management Strategy Steering Committee (Ont.)
    Publication info: [Toronto, Ont.] :Environment Ontario,1991.
    Contributed by: Ontario Ministry of the Environment (
    Subjects: Don River  Don River (Ont.)  Effect of water quality on  Fishes  Ontario  Pollution  Toxicology  Water  Water quality management  
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  4. Preliminary technical report on the Niagara River Mussel Biomonitoring Survey, 1993 / report prepared by Lisa A. Richman.
    By: Richman, Lisa A. - Ontario.
    Publication info: [Toronto] :Ontario Ministry of Environment and Energy,1994.
    Contributed by: Ontario Ministry of the Environment (
    Subjects: Effect of water quality on  Environmental monitoring  Mussels  Niagara River (N.Y. and Ont.)  Niagara River (N.Y. and Ont.)'  Pollution  Water  Water quality  
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  5. The preservation of fish life in rivers by the exclusion of town sewage / by Hon. W.F.B. Massey Mainwaring.
    By: Mainwaring, W. F. B. Massey. - International Fisheries Exhibition (
    Publication info: London :W. Clowes and Sons,1883.
    Contributed by: Smithsonian Libraries
    Subjects: Conservation  Effect of water pollution on  Effect of water quality on  Fishes  
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