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326Alternative Methods For The Biological Classification Of Rivers
327Land Use and Fisheries Report of the Pilot Study
328Assessment of the distribution of Bembidion testaceum and reasons for its decline
329Continuous water quality monitoring results for the Carnon river
330Attenuation of nitrate in the sub-surface environment
331Ecotoxicology : a report of the NRA R and D Ecotoxicology Group
332Guardians of the water environment (NRA Thames Region)
333Further Validation of PHABSIM for the Habitat Requirements of Salmonid Fish
334Instream Flow Requirements of the River Wissey, Norfolk, Annex C - April 1993
335The Test catchment southern : recommendations for statutory water quality objectives
336The Worcestershire Stour catchment : recommendations for statutory water quality objectives
337An assessment of river water quality in the River Kenn
338Dioxins and the River Doe Lea : plain English report
339Narrowboats on the Thames : useful hints and tips
340Locks and weirs on the river Thames : how do they work?
341Second annual review of the Lower Bristol Avon catchment management plan
342Second annual review of the Upper Bristol Avon catchment management plan
343The River Avon and its tributaries near Malmesbury : river management studies
344The quality of rivers and estuaries in Northumbria region 1990
345Pesticide residues in fish taken from the Newlyn River (1992)
346Environmental statement for the River Wandle flood alleviation scheme contract one (C1)
347Investigation of salinity in the river Thurne catchment of North East Norfolk
348Water quality investigations in the Newlyn river catchment
349The River Alt/Crossens fish stock assessment 2001
350An assessment of water quality in the River Yarty catchment