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176Results of the NRA Welsh regional marine bioaccumulation programme 1991-1993 : SE/EAU/94/8
177Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9
178A second stage evaluation of the Grant YSI3815 Water Logger
179The identification and investigation of a dinoflagellate bloom in Mounts Bay, Cornwall
180The Test catchment southern : recommendations for statutory water quality objectives
181The Worcestershire Stour catchment : recommendations for statutory water quality objectives
182An assessment of river water quality in the River Kenn
183Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report
184The quality of rivers and estuaries in Northumbria region 1990
185Estuarial migration of Atlantic salmon in the river Dee (North Wales)
186The NRA in business : annual review and summary accounts 1993-94
187Cyanobacteria (blue-green algae) in the south west region 1989
188Toxic blue-green algae : a report by the National Rivers Authority
189Investigation of salinity in the river Thurne catchment of North East Norfolk
190Water quality investigations in the Newlyn river catchment
191An assessment of water quality in the River Yarty catchment
192Report on monitoring of environmental quality in the Severn Estuary
193Artificial recharge to groundwater in the Otter valley
194Investigation to determine the cause of the long-term BOD failure at Higher Weaver routine monitoring site (70532960) for 1995 and 1997
195Water Quality and Freshwater Flow in the Thames Tideway in Relation to Salmon Migration, with particular reference to the effects of low flow in 1990
196Wimbleball pumped storage scheme : review of environmental statement (appendix B3) : implications for water quality in Wimbleball Reservoir, the River Exe (non QUASAR) parameters) and the Exe estuary
197The quality of rivers and canals in England and Wales (1990 to 1992) : as assessed by a new general quality assessment scheme : report of the National Rivers Authority
198Tamar Lakes project 2001 : initial assessment of nutrient data to identify pollution sources, assess the effect of Tamar Lakes on the downstream water quality and to recommend future monitoring requirements
199Report for Anglian Water, plc on the use of the Orwell Estuary mathematical model to derive long term consent limits for Cliff Quay STW
200Results of the oyster (Crassostrea gigas) embryo-larval biassay on samples taken during the winter phase of national maritime monitoring programme 1997 : interim report