176 | Guardians of the water environment (bilingual document) |
177 | Pesticides in the aquatic environment 1996 |
178 | Constructive thinking : save water, save the environment |
179 | The Environment Agency navigations : Thames, Anglian, Southern |
180 | Sustainable water resources for the future |
181 | Pollution control on the River Alt |
182 | Ecology and the Water Framework Directive |
183 | 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 |
184 | Review of the microtox toxicity test |
185 | Silt - and its effects on the river |
186 | MCERTS : the Environment Agency's monitoring certification scheme |
187 | The effects of predation on salmon fisheries |
188 | Fisheries Assessment Software within the Environment Agency |
189 | Bewdley flood defences : the invisible defences |
190 | The story of a river : Ripples 1 |
191 | Recreation strategy for the River Thames |
192 | Navigations in the Anglian region (EA) |
193 | Holding back the sea - ripples 3 |
194 | Fish, fisheries and the Water Framework Directive |
195 | A history of the By Brook |
196 | Coastal flooding in the North West |
197 | Bioaccumulation of metals in the Thames Estuary |
198 | Environmental issues in the Midlands 1995/96 |
199 | Fish found in the tidal Thames |
200 | Invertebrate animals of the tidal Thames |