326 | Ponds in Partnership Phase 1 Final Report: Establishing the Framework for the National Pond Monitoring Network |
327 | Investigation of the Relationship between the LIFE Index and RIVPACS: Putting LIFE into RIVPACS |
328 | Water resources for the future : a summary of the strategy for Thames Region Summary |
329 | A strategy for implementing the Environment Agency's contribution to the UK Biodiversity Action Plan |
330 | SERPLAN development scenarios : the potential impact upon water resources in the SERPLAN region |
331 | Towards the sustainable use of material resources : an evaluation using the natural step framework |
332 | Water resources for the future : a summary of the strategy for Wales (bilingual) |
333 | Water resources for the future : a summary of the strategy for North West Region |
334 | Water resources for the future : a summary of the strategy for South West region |
335 | Classification of listed substances for the purposes of the EC groundwater directive (80/68/EEC) : technical report |
336 | Running with the tide : reconciling development pressures with flood risk and the environment |
337 | Water for the future in Kent : NRA response to the issues and options report |
338 | Review of flood defence practices on the Somerset Levels and Moors : the appendices |
339 | Review of flood defence practices on the Somerset Levels and Moors : the report |
340 | Further surveys to elucidate the distribution of the fine-lined pea mussel Pisidium tenuilineatum Stelfox, 1918 |
341 | The influence of agriculture on the quality of natural waters in England and Wales |
342 | The physical character of rivers and streams in the UK and Isle of Man |
343 | The Distribution of Phytoplankton and Nutrients in the North East Irish Sea During 1998 |
344 | The impact of industrial discharges on metal levels in biota of the West Cumbrian coast - 1990 |
345 | The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment |
346 | The behaviour of atrazine and simazine within the chalk aquifer : experimental results and interpretation |
347 | A unified information system to satisfy the NRA's requirement for ecotoxicology information: the specification study |
348 | A collation of the environmental impact work carried out following the Rosebay oil spill, May 1990 |
349 | The application of toxicity-based criteria for the regulatory control of wastewater discharges: a consultation document |
350 | A brief history of the River Stour navigation : 1705 to the present day |