201 | A Laboratory in the River Lab |
202 | Lake Mutanda in the Kigezi District |
203 | The Conservation of Atlantic Salmon Habitat |
204 | Protecting native crayfish in the Midlands |
205 | Monitoring the trophic state of reservoirs
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206 | Water Quality of the Humber Estuary 1986 |
207 | Freshwater Algal Flora of the British Isles |
208 | Green Household Index - The Eco-Cal |
209 | Guardians of the water environment (bilingual document) |
210 | Pesticides in the aquatic environment 1996 |
211 | Constructive thinking : save water, save the environment |
212 | The Environment Agency navigations : Thames, Anglian, Southern |
213 | Sustainable water resources for the future |
214 | A Review of the Application of |
215 | Ecology and the Water Framework Directive |
216 | Snapshots of the environment : regulating major industry |
217 | Review of the microtox toxicity test |
218 | Silt - and its effects on the river |
219 | MCERTS : the Environment Agency's monitoring certification scheme |
220 | The effects of predation on salmon fisheries |
221 | Fisheries Assessment Software within the Environment Agency |
222 | The story of a river : Ripples 1 |
223 | Recreation strategy for the River Thames |
224 | Information [on the NRA Anglian Region] |
225 | The river Aire conservation within the catchment : a summary of survey methods and information held on the wildlife of the river Aire catchment |