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251Fisheries of the middle and lower Wylye and factors affecting their performance
252Method for assessing the heritage value of net fisheries
253An Investigation of Ecological Change in the Rivers Kennet and Lambourn
254Macroinvertebrates in the Kennet catchment : Part 1 - water quality monitoring
255Alternative Methods For The Biological Classification Of Rivers
256Land Use and Fisheries Report of the Pilot Study
257Assessment of the distribution of Bembidion testaceum and reasons for its decline
258Continuous water quality monitoring results for the Carnon river
259Attenuation of nitrate in the sub-surface environment
260Ecotoxicology : a report of the NRA R and D Ecotoxicology Group
261Guardians of the water environment (NRA Thames Region)
262Instream Flow Requirements of the River Wissey, Norfolk, Annex C - April 1993
263The Test catchment southern : recommendations for statutory water quality objectives
264The Worcestershire Stour catchment : recommendations for statutory water quality objectives
265An assessment of river water quality in the River Kenn
266Dioxins and the River Doe Lea : plain English report
267Narrowboats on the Thames : useful hints and tips
268Locks and weirs on the river Thames : how do they work?
269Second annual review of the Lower Bristol Avon catchment management plan
270Second annual review of the Upper Bristol Avon catchment management plan
271The River Avon and its tributaries near Malmesbury : river management studies
272The quality of rivers and estuaries in Northumbria region 1990
273Pesticide residues in fish taken from the Newlyn River (1992)
274Investigation of salinity in the river Thurne catchment of North East Norfolk
275Water quality investigations in the Newlyn river catchment