| 226 | Freshwater Algal Flora of the British Isles |
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| 227 | Guardians of the water environment (bilingual document) |
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| 228 | Constructive thinking : save water, save the environment |
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| 229 | The Environment Agency navigations : Thames, Anglian, Southern |
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| 230 | Sustainable water resources for the future |
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| 231 | Pollution control on the River Alt |
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| 232 | A Review of the Application of |
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| 233 | Ecology and the Water Framework Directive |
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| 234 | Snapshots of the environment : regulating major industry |
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| 235 | The introduction of an effective market testing programme for the flood defence function of the National Rivers Authority in the North West Region : certificate in management |
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| 236 | Review of the microtox toxicity test |
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| 237 | Silt - and its effects on the river |
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| 238 | MCERTS : the Environment Agency's monitoring certification scheme |
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| 239 | The effects of predation on salmon fisheries |
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| 240 | Fisheries Assessment Software within the Environment Agency |
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| 241 | Bewdley flood defences : the invisible defences |
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| 242 | The story of a river : Ripples 1 |
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| 243 | Recreation strategy for the River Thames |
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| 244 | The river Aire conservation within the catchment : a summary of survey methods and information held on the wildlife of the river Aire catchment |
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| 245 | Navigations in the Anglian region (EA) |
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| 246 | The Atlantic Salmon Trust Journal 2011 |
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| 247 | Holding back the sea - ripples 3 |
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| 248 | Fish, fisheries and the Water Framework Directive |
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| 249 | A history of the By Brook |
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| 250 | Coastal flooding in the North West |
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