251 | Constructive thinking : save water, save the environment |
252 | The Environment Agency navigations : Thames, Anglian, Southern |
253 | Sustainable water resources for the future |
254 | Pollution control on the River Alt |
255 | A Review of the Application of |
256 | Ecology and the Water Framework Directive |
257 | Snapshots of the environment : regulating major industry |
258 | 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 |
259 | Review of the microtox toxicity test |
260 | Silt - and its effects on the river |
261 | MCERTS : the Environment Agency's monitoring certification scheme |
262 | The effects of predation on salmon fisheries |
263 | Fisheries Assessment Software within the Environment Agency |
264 | Bewdley flood defences : the invisible defences |
265 | The story of a river : Ripples 1 |
266 | Recreation strategy for the River Thames |
267 | Information [on the NRA Anglian Region] |
268 | The river Aire conservation within the catchment : a summary of survey methods and information held on the wildlife of the river Aire catchment |
269 | Navigations in the Anglian region (EA) |
270 | The Atlantic Salmon Trust Journal 2011 |
271 | Environmental snapshot for the Anglian region 2002 |
272 | Holding back the sea - ripples 3 |
273 | Fish, fisheries and the Water Framework Directive |
274 | A history of the By Brook |
275 | Coastal flooding in the North West |