| 351 | Investigation of the Relationship between the LIFE Index and RIVPACS: Putting LIFE into RIVPACS |
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| 352 | Conservation and recreation: the Wye challenge: volume 1: report of the River Wye project |
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| 353 | A strategy for implementing the Environment Agency's contribution to the UK Biodiversity Action Plan |
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| 354 | Towards the sustainable use of material resources : an evaluation using the natural step framework |
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| 355 | Water resources for the future : a summary of the strategy for Wales (bilingual) |
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| 356 | Water resources for the future : a summary of the strategy for South West region |
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| 357 | Classification of listed substances for the purposes of the EC groundwater directive (80/68/EEC) : technical report |
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| 358 | Running with the tide : reconciling development pressures with flood risk and the environment |
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| 359 | Water for the future in Kent : NRA response to the issues and options report |
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| 360 | Review of flood defence practices on the Somerset Levels and Moors : the appendices |
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| 361 | Review of flood defence practices on the Somerset Levels and Moors : the report |
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| 362 | Estuarine fish survey 1989 : inferences on the pollution status of the Thames estuary |
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| 363 | Investigation of the water quality in the Buckland stream up and downstream of East/West Buckland |
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| 364 | The Effect of Atrazine Exposure on the Timing of Salmon (Salmo salar L.) Smolt Emigration |
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| 365 | Further surveys to elucidate the distribution of the fine-lined pea mussel Pisidium tenuilineatum Stelfox, 1918 |
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| 366 | The influence of agriculture on the quality of natural waters in England and Wales |
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| 367 | The physical character of rivers and streams in the UK and Isle of Man |
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| 368 | The Distribution of Phytoplankton and Nutrients in the North East Irish Sea During 1998 |
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| 369 | Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme |
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| 370 | Environmental monitoring of the Fal Estuary to support the Fal Swan study : final draft report |
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| 371 | The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment |
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| 372 | The behaviour of atrazine and simazine within the chalk aquifer : experimental results and interpretation |
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| 373 | A unified information system to satisfy the NRA's requirement for ecotoxicology information: the specification study |
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| 374 | A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989 |
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| 375 | A collation of the environmental impact work carried out following the Rosebay oil spill, May 1990 |
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