251 | Ecology and the Water Framework Directive |
252 | Snapshots of the environment : regulating major industry |
253 | 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 |
254 | Review of the microtox toxicity test |
255 | Silt - and its effects on the river |
256 | MCERTS : the Environment Agency's monitoring certification scheme |
257 | The effects of predation on salmon fisheries |
258 | Fisheries Assessment Software within the Environment Agency |
259 | The story of a river : Ripples 1 |
260 | Recreation strategy for the River Thames |
261 | Information [on the NRA Anglian Region] |
262 | The river Aire conservation within the catchment : a summary of survey methods and information held on the wildlife of the river Aire catchment |
263 | Navigations in the Anglian region (EA) |
264 | Environmental snapshot for the Anglian region 2002 |
265 | Holding back the sea - ripples 3 |
266 | Fish, fisheries and the Water Framework Directive |
267 | A history of the By Brook |
268 | Coastal flooding in the North West |
269 | Bioaccumulation of metals in the Thames Estuary |
270 | Environmental issues in the Midlands 1995/96 |
271 | Fish found in the tidal Thames |
272 | Humber estuary : state of the environment 1998 |
273 | Invertebrate animals of the tidal Thames |
274 | Marine safety in the Harbour of Rye |
275 | Drought in the South : in depth |