| 1 | The effect of the voluntary initiative on water quality |
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| 2 | Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change |
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| 3 | Biological investigation of the Common Lake Stream |
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| 4 | Bioaccumulation of metals in the Thames Estuary |
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| 5 | A demonstration of the use of a framework for the ecological risk assessment of land contamination |
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| 6 | Biological investigation into the impact of the storm overflow at Middle Marwood Sewage Treatment Works |
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| 7 | Using Macrophytes for the Environmental Assessment of Rivers: The Role of Sediment Nutrients |
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| 8 | The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment |
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| 9 | The influence of zinc sulphate solution on the fauna of chalk stream channels
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| 10 | Report on the control of discharges of titanium dioxide waste to the Humber Estuary : appendices |
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| 11 | Biological Assessment Methods: Controlling the Quality of Biological Data. Package 1 The variability of data used for assessing the biological condition of rivers |
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| 12 | Identification of Blue Green Algae of the British Isles Guide to the Genera and Use of the Interactive CD-ROM for Identification of Species |
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| 13 | Report on the results of a comparison of data from two surveys of the microfauna of the wash carried out in 1991 and 1993 |
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| 14 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
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| 15 | Assessment of the feasibility of using image analysis in the oyster embryo-larval development and daphnia magna growth tests |
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| 16 | An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys |
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| 17 | Biological investigation of the impact of Ivybridge sewage treatment works discharge to the River Erme, May 1991 |
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| 18 | Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide |
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| 19 | Guidance on the use of Bioassays in Ecological Risk Assessment |
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| 20 | Assessing and controlling the ecotoxicity of complex effluents |
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| 21 | Quality audit of biological samples for the 1990 river quality survey |
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| 22 | The quality of rivers in England and Wales (1990 to 1995) |
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| 23 | Method for the assessment of river water quality using benthic macroinvertebrates |
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| 24 | Quality audit of biological samples for the 1991 river quality survey |
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| 25 | The drought of 1988-1992 in Anglia : a review |
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