| 76 | The development of biomanipulation techniques and control of phosphorus release from sediments (475/1/A) : LIFE project : restoration of the Norfolk Broads |
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| 77 | An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96 |
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| 78 | 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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| 79 | Assessment of the feasibility of using image analysis in the oyster embryo-larval development and daphnia magna growth tests |
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| 80 | Final report of the controlled cohort investigations into the health effects of bathing in sewage contaminated coastal waters |
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| 81 | Procedure for quality assurance for RIVPACS compatible macro-invertebrate samples analysed to the taxonomic level needed for the BMWP-score system |
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| 82 | An assessment of the causes of non-compliance with river quality standards within the River Tiddy catchment (1989-1991) |
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| 83 | Guidance notes for local planning authorities on the methods of protecting the water environment through development plans |
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| 84 | A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock |
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| 85 | Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994 |
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| 86 | (3) The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England; |
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| 87 | The River Eden Demonstration Test Catchment (DTC) Data |
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| 88 | Toxic blue-green algae : a report by the National Rivers Authority |
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| 89 | Conservation in the Severn-Trent Region (NRA Severn-Trent 57)
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| 90 | Anthropogenic Impacts on the Hydrology of Rivers and Lochs |
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| 91 | The identification and investigation of a dinoflagellate bloom in Mounts Bay, Cornwall |
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| 92 | Environmental snapshot for the East of England [1999] |
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| 93 | Malodours and discolouration on the Wool Brook Sidmouth |
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| 94 | Macroinvertebrates in the Kennet catchment : Part 1 - water quality monitoring |
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| 95 | The Tame catchment management plan : consultation report summary : January 1996 |
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| 96 | Environmental protection and pollution control : in the North West |
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| 97 | Quality audit of biological samples for the 1990 river quality survey |
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| 98 | The Hartland Streams catchment management plan : action plan |
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| 99 | The quality of rivers in England and Wales (1990 to 1995) |
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| 100 | Water quality in Anglian Region : the first five years |
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