226 | Freshwater Algal Flora of the British Isles |
227 | Green Household Index - The Eco-Cal |
228 | Guardians of the water environment (bilingual document) |
229 | Pesticides in the aquatic environment 1996 |
230 | Constructive thinking : save water, save the environment |
231 | The Environment Agency navigations : Thames, Anglian, Southern |
232 | Sustainable water resources for the future |
233 | Pollution control on the River Alt |
234 | A Review of the Application of |
235 | Ecology and the Water Framework Directive |
236 | Snapshots of the environment : regulating major industry |
237 | 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 |
238 | Review of the microtox toxicity test |
239 | Silt - and its effects on the river |
240 | MCERTS : the Environment Agency's monitoring certification scheme |
241 | The effects of predation on salmon fisheries |
242 | Fisheries Assessment Software within the Environment Agency |
243 | Bewdley flood defences : the invisible defences |
244 | The story of a river : Ripples 1 |
245 | Recreation strategy for the River Thames |
246 | Information [on the NRA Anglian Region] |
247 | The river Aire conservation within the catchment : a summary of survey methods and information held on the wildlife of the river Aire catchment |
248 | Navigations in the Anglian region (EA) |
249 | The Atlantic Salmon Trust Journal 2011 |
250 | Environmental snapshot for the Anglian region 2002 |