276 | Investigation to determine if the soakaway from the Stowford Farm caravan site is having an impact on the biological community of the Colam stream |
277 | Lake restoration : the role of biomanipulation : a one day seminar held in the Broads 18th March 1993 : organised by the National Rivers Authority and the Broads Authority |
278 | Shrewsbury flood defences : the next steps |
279 | The Restoration of Vegetation on Saltmarshes |
280 | Lake Mutanda in the Kigezi District |
281 | A user's guide to the River Thames |
282 | The River Ogmore action plan support document |
283 | About the North West region : factfile |
284 | On duty round the clock : fact file |
285 | The National Rivers Authority : fact file |
286 | Evaluation of the Close Season in Canals |
287 | Sustainability examples from the USA and Canada |
288 | Site supervision of the Beach Nourishment Scheme |
289 | Changes to the water abstraction licensing system |
290 | The Tame catchment (NRA Severn-Trent 67) |
291 | Fishery survey of the Doniford Stream 1994 |
292 | Fishery survey of the Horner Water catchment |
293 | Fishery survey of the River Yeo catchment |
294 | Fishery survey of the Congresbury Yeo, 1994 |
295 | Fishery survey of the River Isle catchment |
296 | Determining The Freshwater Flow Needs Of Estuaries |
297 | The Trophic Diatom Index: A User's Manual; |
298 | Shoreline management plans in the Anglian region |
299 | Biological investigation of the Common Lake Stream |
300 | 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 |