226 | The River Ogmore action plan support document |
227 | About the North West region : factfile |
228 | On duty round the clock : fact file |
229 | The National Rivers Authority : fact file |
230 | Evaluation of the Close Season in Canals |
231 | Achieving the quality (Bilingual) : Sicrhau Ansawdd (Bilingual) |
232 | Factors affecting the dispersal of coarse fish |
233 | Sustainability examples from the USA and Canada |
234 | Changes to the water abstraction licensing system |
235 | Determining The Freshwater Flow Needs Of Estuaries |
236 | The Trophic Diatom Index: A User's Manual; |
237 | Duties and powers of the Environment Agency |
238 | Hydropower developments and the National Rivers Authority |
239 | Biological investigation of the Common Lake Stream |
240 | The Ecology of Four Scarce Wetland Molluscs |
241 | Endocrine Disruption in the Marine Environment |
242 | Study of the River Stour, Kent |
243 | The source : a guide to NRA services |
244 | The River Thame : catchment review : march 1996 |
245 | Phosphate in the cut-off channel |
246 | Determining The Causes Of 'Apparent Eutrophication' Effects |
247 | Public participation and the Water Framework Directive |
248 | Guide to the Medway navigation 1994 |
249 | Agriculture and the Water Framework Directive |
250 | 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 |