201 | Freshwater Algal Flora of the British Isles |
202 | Green Household Index - The Eco-Cal |
203 | Guardians of the water environment (bilingual document) |
204 | Pesticides in the aquatic environment 1996 |
205 | Constructive thinking : save water, save the environment |
206 | The Environment Agency navigations : Thames, Anglian, Southern |
207 | Sustainable water resources for the future |
208 | Pollution control on the River Alt |
209 | A Review of the Application of |
210 | Ecology and the Water Framework Directive |
211 | Snapshots of the environment : regulating major industry |
212 | Review of the microtox toxicity test |
213 | Silt - and its effects on the river |
214 | MCERTS : the Environment Agency's monitoring certification scheme |
215 | The effects of predation on salmon fisheries |
216 | Fisheries Assessment Software within the Environment Agency |
217 | The story of a river : Ripples 1 |
218 | Recreation strategy for the River Thames |
219 | Information [on the NRA Anglian Region] |
220 | The river Aire conservation within the catchment : a summary of survey methods and information held on the wildlife of the river Aire catchment |
221 | Navigations in the Anglian region (EA) |
222 | The Atlantic Salmon Trust Journal 2011 |
223 | Fish, fisheries and the Water Framework Directive |
224 | A history of the By Brook |
225 | Stock assessment review on the River Teign |