226 | Water Quality of the Humber Estuary 1986 |
227 | Freshwater Algal Flora of the British Isles |
228 | Green Household Index - The Eco-Cal |
229 | Guardians of the water environment (bilingual document) |
230 | Pesticides in the aquatic environment 1996 |
231 | Constructive thinking : save water, save the environment |
232 | The Environment Agency navigations : Thames, Anglian, Southern |
233 | Sustainable water resources for the future |
234 | Pollution control on the River Alt |
235 | A Review of the Application of |
236 | Ecology and the Water Framework Directive |
237 | Snapshots of the environment : regulating major industry |
238 | 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 |
239 | Review of the microtox toxicity test |
240 | Silt - and its effects on the river |
241 | MCERTS : the Environment Agency's monitoring certification scheme |
242 | The effects of predation on salmon fisheries |
243 | Fisheries Assessment Software within the Environment Agency |
244 | Bewdley flood defences : the invisible defences |
245 | The story of a river : Ripples 1 |
246 | Recreation strategy for the River Thames |
247 | Information [on the NRA Anglian Region] |
248 | Navigations in the Anglian region (EA) |
249 | The Atlantic Salmon Trust Journal 2011 |
250 | Holding back the sea - ripples 3 |