251 | Evaluation of the Close Season in Canals |
252 | Achieving the quality (Bilingual) : Sicrhau Ansawdd (Bilingual) |
253 | Factors affecting the dispersal of coarse fish |
254 | Sustainability examples from the USA and Canada |
255 | Site supervision of the Beach Nourishment Scheme |
256 | Changes to the water abstraction licensing system |
257 | The Tame catchment (NRA Severn-Trent 67) |
258 | Fishery survey of the Doniford Stream 1994 |
259 | Fishery survey of the Horner Water catchment |
260 | Fishery survey of the River Yeo catchment |
261 | Fishery survey of the Congresbury Yeo, 1994 |
262 | Fishery survey of the River Isle catchment |
263 | Determining The Freshwater Flow Needs Of Estuaries |
264 | The Trophic Diatom Index: A User's Manual; |
265 | River water quality in the Midlands 1997 |
266 | River water quality in the Midlands 1998 |
267 | Shoreline management plans in the Anglian region |
268 | The future of shoreline management : conference papers |
269 | Duties and powers of the Environment Agency |
270 | Biological investigation of the Common Lake Stream |
271 | 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 |
272 | The Ecology of Four Scarce Wetland Molluscs |
273 | Recreational waterway byelaws in the Anglian region |
274 | Endocrine Disruption in the Marine Environment |
275 | A brief guide to the medway |