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226The Conservation of Atlantic Salmon Habitat
227Protecting native crayfish in the Midlands
228Monitoring the trophic state of reservoirs
229Flood defences : the Lower Witham strategy
230Water Quality of the Humber Estuary 1986
231Freshwater Algal Flora of the British Isles
232Green Household Index - The Eco-Cal
233Guardians of the water environment (bilingual document)
234Pesticides in the aquatic environment 1996
235Constructive thinking : save water, save the environment
236Sustainable water resources for the future
237Pollution control on the River Alt
238A Review of the Application of
239Ecology and the Water Framework Directive
240Snapshots of the environment : regulating major industry
241The 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
242Review of the microtox toxicity test
243Silt - and its effects on the river
244MCERTS : the Environment Agency's monitoring certification scheme
245The effects of predation on salmon fisheries
246Fisheries Assessment Software within the Environment Agency
247Bewdley flood defences : the invisible defences
248The story of a river : Ripples 1
249Information [on the NRA Anglian Region]
250The river Aire conservation within the catchment : a summary of survey methods and information held on the wildlife of the river Aire catchment