176 | Water Quality of the Humber Estuary 1986 |
177 | Freshwater Algal Flora of the British Isles |
178 | Green Household Index - The Eco-Cal |
179 | Guardians of the water environment (bilingual document) |
180 | Pesticides in the aquatic environment 1996 |
181 | Constructive thinking : save water, save the environment |
182 | The Environment Agency navigations : Thames, Anglian, Southern |
183 | Sustainable water resources for the future |
184 | A Review of the Application of |
185 | Ecology and the Water Framework Directive |
186 | Snapshots of the environment : regulating major industry |
187 | Review of the microtox toxicity test |
188 | Silt - and its effects on the river |
189 | MCERTS : the Environment Agency's monitoring certification scheme |
190 | The effects of predation on salmon fisheries |
191 | Fisheries Assessment Software within the Environment Agency |
192 | Bewdley flood defences : the invisible defences |
193 | The story of a river : Ripples 1 |
194 | Recreation strategy for the River Thames |
195 | The river Aire conservation within the catchment : a summary of survey methods and information held on the wildlife of the river Aire catchment |
196 | Navigations in the Anglian region (EA) |
197 | The Atlantic Salmon Trust Journal 2011 |
198 | Holding back the sea - ripples 3 |
199 | Fish, fisheries and the Water Framework Directive |
200 | A history of the By Brook |