| 301 | The potential for the use of Willow in buffer zones for reducing nitrate and atrazine pollution |
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| 302 | Swords water quality study - phase 1 : modelling the water quality of the River Thames |
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| 303 | The Nuclear Energy Agency Database of Features, Events and Processes. Application by the Environment Agency |
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| 304 | Rising groundwater levels in the chalk - basal sands aquifer of the central london basins |
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| 305 | Ponds in Partnership Phase 1 Final Report: Establishing the Framework for the National Pond Monitoring Network |
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| 306 | Investigation of the Relationship between the LIFE Index and RIVPACS: Putting LIFE into RIVPACS |
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| 307 | Conservation and recreation: the Wye challenge: volume 1: report of the River Wye project |
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| 308 | A strategy for implementing the Environment Agency's contribution to the UK Biodiversity Action Plan |
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| 309 | Towards the sustainable use of material resources : an evaluation using the natural step framework |
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| 310 | Water resources for the future : a summary of the strategy for Wales (bilingual) |
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| 311 | Classification of listed substances for the purposes of the EC groundwater directive (80/68/EEC) : technical report |
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| 312 | Running with the tide : reconciling development pressures with flood risk and the environment |
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| 313 | Water for the future in Kent : NRA response to the issues and options report |
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| 314 | Estuarine fish survey 1989 : inferences on the pollution status of the Thames estuary |
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| 315 | The Effect of Atrazine Exposure on the Timing of Salmon (Salmo salar L.) Smolt Emigration |
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| 316 | Planning for the rising tides : the Humber estuary shoreline management plan. Summary of proposals |
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| 317 | Further surveys to elucidate the distribution of the fine-lined pea mussel Pisidium tenuilineatum Stelfox, 1918 |
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| 318 | The influence of agriculture on the quality of natural waters in England and Wales |
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| 319 | The physical character of rivers and streams in the UK and Isle of Man |
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| 320 | The Distribution of Phytoplankton and Nutrients in the North East Irish Sea During 1998 |
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| 321 | Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme |
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| 322 | The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment |
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| 323 | The behaviour of atrazine and simazine within the chalk aquifer : experimental results and interpretation |
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| 324 | A unified information system to satisfy the NRA's requirement for ecotoxicology information: the specification study |
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| 325 | A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989 |
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