276 | The National Rivers Authority : fact file |
277 | Evaluation of the Close Season in Canals |
278 | Achieving the quality (Bilingual) : Sicrhau Ansawdd (Bilingual) |
279 | Factors affecting the dispersal of coarse fish |
280 | Sustainability examples from the USA and Canada |
281 | Changes to the water abstraction licensing system |
282 | The Tame catchment (NRA Severn-Trent 67) |
283 | Fishery survey of the Doniford Stream 1994 |
284 | Fishery survey of the Horner Water catchment |
285 | Fishery survey of the River Yeo catchment |
286 | Fishery survey of the Congresbury Yeo, 1994 |
287 | Fishery survey of the River Isle catchment |
288 | Determining The Freshwater Flow Needs Of Estuaries |
289 | The Trophic Diatom Index: A User's Manual; |
290 | River water quality in the Midlands 1997 |
291 | River water quality in the Midlands 1998 |
292 | Duties and powers of the Environment Agency |
293 | Hydropower developments and the National Rivers Authority |
294 | Biological investigation of the Common Lake Stream |
295 | 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 |
296 | The Ecology of Four Scarce Wetland Molluscs |
297 | Endocrine Disruption in the Marine Environment |
298 | A brief guide to the thames |
299 | Study of the River Stour, Kent |
300 | We care for the environment : could you? |