Biological survey: River Teign and tributaries with references to the discharge of ball clay wastes
This is the Biological survey of River Teign and tributaries with references to the discharge of ball clay wastes, document produced by South West Water Authority in 1973. This report focuses on on-site assessment of the benthic macro-invertebrates of the lower River Teign, River Bovey, Ugbrooke Stream and Blatchford Brook was undertaken on 19th and 22nd August 1977 to assess the effects of discharges from ball clay mining premises. Inspection of aquatic fauna in the field is of necessity, less extensive than laboratory identification of sorted samples, so that the resulting data underestimates the water quality. This is more pronounced in the Chandler Score than in the Trent Biotic Index which does not take account of species abundance. Chandler should thus be interpreted by the trends described rather than by absolute values calculated.
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| Format: | monograph biblioteca |
| Language: | English |
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South West Water Authority
1973
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| Subjects: | Ecology, Limnology, Pollution, England, River Teign, Inland waters, Invertebrates, Environmental assessment, Freshwater pollution, Water quality, Fishery surveys, |
| Online Access: | http://hdl.handle.net/1834/27390 |
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