201 | Protecting native crayfish in the Midlands |
202 | Diffuse pollution and the water framework directive |
203 | Fish, fisheries and the Water Framework Directive |
204 | A user's guide to the River Thames |
205 | Recreation strategy for the River Thames |
206 | Biological investigation of the Common Lake Stream |
207 | Monitoring the trophic state of reservoirs
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208 | Evaluation of the Close Season in Canals |
209 | Invertebrate animals of the tidal Thames |
210 | Water Quality of the Humber Estuary 1986 |
211 | The story of a river : Ripples 1 |
212 | Endocrine Disruption in the Marine Environment |
213 | About the North West region : factfile |
214 | Drought in the South : in depth |
215 | Duties and powers of the Environment Agency |
216 | Evaluating The Benefits Of Hydrometric Networks |
217 | Fisheries Assessment Software within the Environment Agency |
218 | Freshwater Algal Flora of the British Isles |
219 | Green Household Index - The Eco-Cal |
220 | Guardians of the water environment (bilingual document) |
221 | On duty round the clock : fact file |
222 | Pesticides in the aquatic environment 1996 |
223 | The Restoration of Vegetation on Saltmarshes |
224 | Constructive thinking : save water, save the environment |
225 | River water quality in the Midlands 1997 |