| 426 | Ponds in Partnership Phase 1 Final Report: Establishing the Framework for the National Pond Monitoring Network |
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| 427 | Investigation of the Relationship between the LIFE Index and RIVPACS: Putting LIFE into RIVPACS |
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| 428 | Water resources for the future : a summary of the strategy for Thames Region |
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| 429 | Water resources for the future : a summary of the strategy for Thames Region Summary |
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| 430 | Conservation and recreation: the Wye challenge: volume 1: report of the River Wye project |
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| 431 | A strategy for implementing the Environment Agency's contribution to the UK Biodiversity Action Plan |
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| 432 | SERPLAN development scenarios : the potential impact upon water resources in the SERPLAN region |
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| 433 | Towards the sustainable use of material resources : an evaluation using the natural step framework |
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| 434 | Water resources for the future : a summary of the strategy for Wales (bilingual) |
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| 435 | Water resources for the future : a summary of the strategy for North West Region |
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| 436 | Water resources for the future : a summary of the strategy for South West region |
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| 437 | Classification of listed substances for the purposes of the EC groundwater directive (80/68/EEC) : technical report |
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| 438 | Water for the future in Kent : NRA response to the issues and options report |
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| 439 | Review of flood defence practices on the Somerset Levels and Moors : the appendices |
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| 440 | Review of flood defence practices on the Somerset Levels and Moors : the report |
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| 441 | Estuarine fish survey 1989 : inferences on the pollution status of the Thames estuary |
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| 442 | Investigation of the water quality in the Buckland stream up and downstream of East/West Buckland |
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| 443 | The Effect of Atrazine Exposure on the Timing of Salmon (Salmo salar L.) Smolt Emigration |
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| 444 | Planning for the rising tides : the Humber estuary shoreline management plan. Summary of proposals |
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| 445 | Further surveys to elucidate the distribution of the fine-lined pea mussel Pisidium tenuilineatum Stelfox, 1918 |
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| 446 | The influence of agriculture on the quality of natural waters in England and Wales |
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| 447 | The physical character of rivers and streams in the UK and Isle of Man |
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| 448 | The Distribution of Phytoplankton and Nutrients in the North East Irish Sea During 1998 |
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| 449 | Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme |
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| 450 | The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment |
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