176 | The Conservation of Atlantic Salmon Habitat |
177 | Protecting native crayfish in the Midlands |
178 | Monitoring the trophic state of reservoirs
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179 | Water Quality of the Humber Estuary 1986 |
180 | Freshwater Algal Flora of the British Isles |
181 | Green Household Index - The Eco-Cal |
182 | Guardians of the water environment (bilingual document) |
183 | Pesticides in the aquatic environment 1996 |
184 | Constructive thinking : save water, save the environment |
185 | The Environment Agency navigations : Thames, Anglian, Southern |
186 | Sustainable water resources for the future |
187 | Pollution control on the River Alt |
188 | A Review of the Application of |
189 | Ecology and the Water Framework Directive |
190 | Review of the microtox toxicity test |
191 | Silt - and its effects on the river |
192 | MCERTS : the Environment Agency's monitoring certification scheme |
193 | Fisheries Assessment Software within the Environment Agency |
194 | The story of a river : Ripples 1 |
195 | Recreation strategy for the River Thames |
196 | Navigations in the Anglian region (EA) |
197 | Holding back the sea - ripples 3 |
198 | Fish, fisheries and the Water Framework Directive |
199 | A history of the By Brook |
200 | Coastal flooding in the North West |