376 | Rising groundwater levels in the chalk - basal sands aquifer of the central london basins |
377 | Ponds in Partnership Phase 1 Final Report: Establishing the Framework for the National Pond Monitoring Network |
378 | Investigation of the Relationship between the LIFE Index and RIVPACS: Putting LIFE into RIVPACS |
379 | Water resources for the future : a summary of the strategy for Thames Region |
380 | Water resources for the future : a summary of the strategy for Thames Region Summary |
381 | Conservation and recreation: the Wye challenge: volume 1: report of the River Wye project |
382 | Running with the tide : reconciling development pressures with flood risk and the environment |
383 | Water for the future in Kent : NRA response to the issues and options report |
384 | Review of flood defence practices on the Somerset Levels and Moors : the appendices |
385 | Review of flood defence practices on the Somerset Levels and Moors : the report |
386 | Investigation of the water quality in the Buckland stream up and downstream of East/West Buckland |
387 | The Effect of Atrazine Exposure on the Timing of Salmon (Salmo salar L.) Smolt Emigration |
388 | Planning for the rising tides : the Humber estuary shoreline management plan. Summary of proposals |
389 | Further surveys to elucidate the distribution of the fine-lined pea mussel Pisidium tenuilineatum Stelfox, 1918 |
390 | The physical character of rivers and streams in the UK and Isle of Man |
391 | Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme |
392 | Environmental monitoring of the Fal Estuary to support the Fal Swan study : final draft report |
393 | The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment |
394 | The behaviour of atrazine and simazine within the chalk aquifer : experimental results and interpretation |
395 | A unified information system to satisfy the NRA's requirement for ecotoxicology information: the specification study |
396 | A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989 |
397 | An investigation into the effects of Alton sewage works on the River Wey North |
398 | A brief history of the River Stour navigation : 1705 to the present day |
399 | The Investigation and Specification of Flow Measurement Structure Design Features that Aid the Migration of Fish |
400 | Protecting your future : tackling flooding in the Thames Estuary through the 21st century |