176 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9 |
177 | The identification and investigation of a dinoflagellate bloom in Mounts Bay, Cornwall |
178 | The Worcestershire Stour catchment : recommendations for statutory water quality objectives |
179 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
180 | The quality of rivers and estuaries in Northumbria region 1990 |
181 | Estuarial migration of Atlantic salmon in the river Dee (North Wales) |
182 | The NRA in business : annual review and summary accounts 1993-94 |
183 | Toxic blue-green algae : a report by the National Rivers Authority |
184 | Investigation of salinity in the river Thurne catchment of North East Norfolk |
185 | An assessment of water quality in the River Yarty catchment |
186 | Report on monitoring of environmental quality in the Severn Estuary |
187 | Artificial recharge to groundwater in the Otter valley |
188 | Water quality in Anglian Region : the first five years |
189 | Changes in the phosphorus content of the sediment of Esthwaite Water and water quality in response to a decreasing input of sewage-borne phosphorus |
190 | Water Quality and Freshwater Flow in the Thames Tideway in Relation to Salmon Migration, with particular reference to the effects of low flow in 1990 |
191 | The 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 |
192 | Tamar 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 |
193 | Report for Anglian Water, plc on the use of the Orwell Estuary mathematical model to derive long term consent limits for Cliff Quay STW |
194 | Assessment of the water quality before, during and post commissioning of the interim Falmouth sewage treatment scheme - Report No. TWQ/98/02- September 1998 |
195 | Results of the oyster (Crassostrea gigas) embryo-larval biassay on samples taken during the winter phase of national maritime monitoring programme 1997 : interim report |
196 | Assessment of the water quality before, during and post commissioning of the interim Falmouth sewage treatment scheme - Report No. TWQ/98/01- May 1998 |
197 | A macroinvertebrate survey of the Releath stream and associated tributaries within the vicinity of Trevethan Farm : final draft report - Water Quality section, Cornwall area |
198 | An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2002 : The Environment Agency (CEH Report Ref: C00158/31) |
199 | The Management of blue-green algal blooms in South-East Australia : a report on the visit to Australia by MJ Pearson and AJD Ferguson in January/February 1993 |
200 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk D in 2013 |