276 | Fishery survey of the Doniford Stream 1994 |
277 | Fishery survey of the Horner Water catchment |
278 | Fishery survey of the River Yeo catchment |
279 | Fishery survey of the Congresbury Yeo, 1994 |
280 | Fishery survey of the River Isle catchment |
281 | Determining The Freshwater Flow Needs Of Estuaries |
282 | The Trophic Diatom Index: A User's Manual; |
283 | Duties and powers of the Environment Agency |
284 | Hydropower developments and the National Rivers Authority |
285 | Biological investigation of the Common Lake Stream |
286 | 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 |
287 | The Ecology of Four Scarce Wetland Molluscs |
288 | Endocrine Disruption in the Marine Environment |
289 | A brief guide to the medway |
290 | A brief guide to the thames |
291 | Study of the River Stour, Kent |
292 | The source : a guide to NRA services |
293 | We care for the environment : could you? |
294 | What's happening in the North East |
295 | What's happening in the South West |
296 | The River Thame : catchment review : march 1996 |
297 | Phosphate in the cut-off channel |
298 | Determining The Causes Of 'Apparent Eutrophication' Effects |
299 | Public participation and the Water Framework Directive |
300 | Guide to the Medway navigation 1994 |