401 | Conservation and recreation: the Wye challenge: volume 1: report of the River Wye project |
402 | A strategy for implementing the Environment Agency's contribution to the UK Biodiversity Action Plan |
403 | SERPLAN development scenarios : the potential impact upon water resources in the SERPLAN region |
404 | Towards the sustainable use of material resources : an evaluation using the natural step framework |
405 | Water resources for the future : a summary of the strategy for Wales (bilingual) |
406 | Water resources for the future : a summary of the strategy for North West Region |
407 | Water resources for the future : a summary of the strategy for South West region |
408 | Running with the tide : reconciling development pressures with flood risk and the environment |
409 | Review of flood defence practices on the Somerset Levels and Moors : the appendices |
410 | Review of flood defence practices on the Somerset Levels and Moors : the report |
411 | Estuarine fish survey 1989 : inferences on the pollution status of the Thames estuary |
412 | Investigation of the water quality in the Buckland stream up and downstream of East/West Buckland |
413 | Planning for the rising tides : the Humber estuary shoreline management plan. Summary of proposals |
414 | Further surveys to elucidate the distribution of the fine-lined pea mussel Pisidium tenuilineatum Stelfox, 1918 |
415 | The Distribution of Phytoplankton and Nutrients in the North East Irish Sea During 1998 |
416 | Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme |
417 | The impact of industrial discharges on metal levels in biota of the West Cumbrian coast - 1990 |
418 | Environmental monitoring of the Fal Estuary to support the Fal Swan study : final draft report |
419 | The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment |
420 | A unified information system to satisfy the NRA's requirement for ecotoxicology information: the specification study |
421 | A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989 |
422 | A collation of the environmental impact work carried out following the Rosebay oil spill, May 1990 |
423 | The application of toxicity-based criteria for the regulatory control of wastewater discharges: a consultation document |
424 | An investigation into the effects of Alton sewage works on the River Wey North |
425 | Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon |