276 | The Trophic Diatom Index: A User's Manual; |
277 | River water quality in the Midlands 1997 |
278 | River water quality in the Midlands 1998 |
279 | Shoreline management plans in the Anglian region |
280 | The future of shoreline management : conference papers |
281 | Duties and powers of the Environment Agency |
282 | Biological investigation of the Common Lake Stream |
283 | Devon area internal report - the kingsbridge estuary - survey of the benthic microinvertebrate infauna (october 1990) for the proposed classification of estuaries in the south western region |
284 | The Ecology of Four Scarce Wetland Molluscs |
285 | Recreational waterway byelaws in the Anglian region |
286 | Endocrine Disruption in the Marine Environment |
287 | A brief guide to the medway |
288 | A brief guide to the thames |
289 | Study of the River Stour, Kent |
290 | The source : a guide to NRA services |
291 | We care for the environment : could you? |
292 | What's happening in the North East |
293 | What's happening in the South West |
294 | The River Thame : catchment review : march 1996 |
295 | Phosphate in the cut-off channel |
296 | Determining The Causes Of 'Apparent Eutrophication' Effects |
297 | Public participation and the Water Framework Directive |
298 | Guide to the Medway navigation 1994 |
299 | Agriculture and the Water Framework Directive |
300 | Achieving the quality : annex : programme of environmental obligations agreed by the Secretary of State for the Environment, Transport and the Regions and for Wales for individual water companies |