176 | The Conservation of Atlantic Salmon Habitat |
177 | Monitoring the trophic state of reservoirs
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178 | Flood defences : the Lower Witham strategy |
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 | A Review of the Application of |
188 | Ecology and the Water Framework Directive |
189 | Snapshots of the environment : regulating major industry |
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 | The effects of predation on salmon fisheries |
194 | Fisheries Assessment Software within the Environment Agency |
195 | The story of a river : Ripples 1 |
196 | Recreation strategy for the River Thames |
197 | The river Aire conservation within the catchment : a summary of survey methods and information held on the wildlife of the river Aire catchment |
198 | Navigations in the Anglian region (EA) |
199 | The Atlantic Salmon Trust Journal 2011 |
200 | Holding back the sea - ripples 3 |