| 51 | Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme |
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| 52 | SERPLAN development scenarios : the potential impact upon water resources in the SERPLAN region |
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| 53 | Review of flood defence practices on the Somerset Levels and Moors : the report |
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| 54 | Rising groundwater levels in the chalk-basal sands aquifer of the Central London basin : April 2000 |
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| 55 | Salmon and sea trout fishing in the estuary of the River Tavy : a review |
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| 56 | Investigation into the chemicals present and entering the Stover Lake, Stover Country Park |
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| 57 | A review of the use of multifunction wardens in the Devon Area of the South Western Region of the National Rivers Authority, with particular reference to their use within the fisheries function |
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| 58 | A study of the mayfly parasite Spiriopsis adipophila, Arvy and Peters (1972) (=Sprininella adipophila, Arvy and Delage 1966) in Ephemera danica from the River Pang, a tributary of the River Thames |
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| 59 | Assessment of Ivybridge mobile monitoring station and investigation of the water quality of the River Erme and the effect of Ivybridge Sewage Treatment works final effluent |
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| 60 | An investigation to determine the source of high levels of gamma-HCH in the Newlyn River during summer 1989 |
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| 61 | An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96 |
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| 62 | Investigation into the 1999 failure of the European Community bathing waters directive at Teignmouth Town Beach (2001) |
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| 63 | A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994 |
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| 64 | Bioccumulation of halogenated compounds by limpets and fucoid seaweeds in the vicinity by the Black Rock sewage outfall, Weston-Super-Mare |
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| 65 | A desk top study into the probable causes of poor water quality at Higher Hollacombe Farm (RO5K013) on the Hollacombe Lake |
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| 66 | A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89 |
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| 67 | Evaluation of FRONTIERS accumulation forecasts in the NRA Thames and North West regions : final report of the Joint Met |
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| 68 | An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95] |
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| 69 | An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge |
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| 70 | An assessment of the causes of non-compliance with river quality standards within the River Tiddy catchment (1989-1991) |
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| 71 | A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock |
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| 72 | An investigation to determine the water quality of Churchstanton Stream |
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| 73 | The Test catchment southern : recommendations for statutory water quality objectives |
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| 74 | Quality audit of biological samples for the 1991 river quality survey |
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| 75 | Rivers of the Isle of Wight fact file |
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