Showing 1 - 5 results of 5 for search 'Severn-Trent Water Authority. Directorate of Scientific Services' Refine Results
  1. 1
    The ecology of the River Severn at Bewdley.
    Published 1980
    “...Severn-Trent Water Authority. Directorate of Scientific Services...”
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  2. 2
    The ecology of the Afon Vyrnwy.
    Published 1980
    “...Severn-Trent Water Authority. Directorate of Scientific Services...”
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  3. 3
    An ecological study of the Afon Dulas with special reference to the effects of the drought of 1976.
    Published 1980
    “...Severn-Trent Water Authority. Directorate of Scientific Services...”
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  4. 4
    The effects of regulation on the freshwater invertebrates of the Afon Clywedog.
    Published 1980
    “...Severn-Trent Water Authority. Directorate of Scientific Services...”
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  5. 5
    Studies of the benthic invertebrates of the lower River Severn.
    Published 1979
    “...Severn-Trent Water Authority. Directorate of Scientific Services...”
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