201 | General introduction to the Water Framework Directive |
202 | Pesticides in the aquatic environment 1995 |
203 | Garden with care and protect the environment |
204 | Navigations in the Anglian Region (NRA) |
205 | Canoeist guide to the River Severn |
206 | 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 |
207 | The Restoration of Vegetation on Saltmarshes |
208 | Lake Mutanda in the Kigezi District |
209 | A user's guide to the River Thames |
210 | About the North West region : factfile |
211 | On duty round the clock : fact file |
212 | The National Rivers Authority : fact file |
213 | Evaluation of the Close Season in Canals |
214 | Achieving the quality (Bilingual) : Sicrhau Ansawdd (Bilingual) |
215 | Factors affecting the dispersal of coarse fish |
216 | Sustainability examples from the USA and Canada |
217 | Changes to the water abstraction licensing system |
218 | Determining The Freshwater Flow Needs Of Estuaries |
219 | The Trophic Diatom Index: A User's Manual; |
220 | Hydropower developments and the National Rivers Authority |
221 | Biological investigation of the Common Lake Stream |
222 | The Ecology of Four Scarce Wetland Molluscs |
223 | Endocrine Disruption in the Marine Environment |
224 | Study of the River Stour, Kent |
225 | The source : a guide to NRA services |