376 | Conservation and recreation: the Wye challenge: volume 1: report of the River Wye project |
377 | A strategy for implementing the Environment Agency's contribution to the UK Biodiversity Action Plan |
378 | SERPLAN development scenarios : the potential impact upon water resources in the SERPLAN region |
379 | Towards the sustainable use of material resources : an evaluation using the natural step framework |
380 | Water resources for the future : a summary of the strategy for Wales (bilingual) |
381 | Water resources for the future : a summary of the strategy for North West Region |
382 | Water resources for the future : a summary of the strategy for South West region |
383 | Classification of listed substances for the purposes of the EC groundwater directive (80/68/EEC) : technical report |
384 | Running with the tide : reconciling development pressures with flood risk and the environment |
385 | Water for the future in Kent : NRA response to the issues and options report |
386 | Review of flood defence practices on the Somerset Levels and Moors : the appendices |
387 | Review of flood defence practices on the Somerset Levels and Moors : the report |
388 | Estuarine fish survey 1989 : inferences on the pollution status of the Thames estuary |
389 | Investigation of the water quality in the Buckland stream up and downstream of East/West Buckland |
390 | The Effect of Atrazine Exposure on the Timing of Salmon (Salmo salar L.) Smolt Emigration |
391 | Further surveys to elucidate the distribution of the fine-lined pea mussel Pisidium tenuilineatum Stelfox, 1918 |
392 | The physical character of rivers and streams in the UK and Isle of Man |
393 | The Distribution of Phytoplankton and Nutrients in the North East Irish Sea During 1998 |
394 | Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme |
395 | The impact of industrial discharges on metal levels in biota of the West Cumbrian coast - 1990 |
396 | Environmental monitoring of the Fal Estuary to support the Fal Swan study : final draft report |
397 | The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment |
398 | The behaviour of atrazine and simazine within the chalk aquifer : experimental results and interpretation |
399 | A unified information system to satisfy the NRA's requirement for ecotoxicology information: the specification study |
400 | A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989 |