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5251Fisheries statistics 1996 : salmonid and freshwater fisheries statistics for England and Wales
5252Managing water resources NRA
5253Mean Trophic Rank: A User's Manual
5254National Rivers Authority annual report and accounts 1990/91
5255River Severn upper reaches catchment management plan : first annual review : July 1995 - June 1996
5256Technical Summary - Quantifying Point Source Inputs of Pesticides to River Catchments
52571996 Hit Lists, Final Draft Annex 1A High Load Hit List
5258Rhyzophydium
5259North West recreation, biology and conservation annual report 2000-2001
5260River Welland navigation
5261The effects of ammonia in discharges from Hogsmill Valley sewage treatment works on the water quality of the River Thames at Teddington
5262The Identification of Oestrogenic Effects in Wild Fish
5263Environmental appraisal of Derwentwater low water levels : Volume 1 : hydrological and geological study
5264Social impacts of stormwater management techniques including river management and SUDS
5265Ecdyonurus dispar
5266Annual N2O measurements and associated data: AC0213, Devon, 2011
5267Rhodochorton (Audouinella),
5268Environment Agency Anglian region : Central area business plan 2001/02
5269Guidance on the assessment and interrogation of subsurface analytical contaminant fate and transport models (NC/99/38/1)
5270NRA corporate plan 1994/95 : catchment management planning 5 year programme and timetable
5271Technical and economic review of cement and lime process : a report to the Environment Agency
5272Regional water quality monitoring and surveillance programme for 1992 : quality assessment of enclosed waters
5273River Cole fisheries survey 1992
5274River Teme catchment management plan : third annual review, April 1998 - March 1999
5275The Restoration of Vegetation on Saltmarshes