176 | Development of an Estuarine Classification Scheme for the Water Framework Directive |
177 | Summary of monitoring activities on the blackwater estuary |
178 | Guide to the use of control charts in water analysis |
179 | A Review of Methods for Assessing the Hydromorphology of Lakes |
180 | A survey of trace metals in biota of the Mersey estuary 1993 |
181 | An assessment of the NRA algal growth inhibition test : 1993/4 |
182 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1993 : SE/EAU/94/8 |
183 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9 |
184 | The Worcestershire Stour catchment : recommendations for statutory water quality objectives |
185 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
186 | The quality of rivers and estuaries in Northumbria region 1990 |
187 | Estuarial migration of Atlantic salmon in the river Dee (North Wales) |
188 | The NRA in business : annual review and summary accounts 1993-94 |
189 | Toxic blue-green algae : a report by the National Rivers Authority |
190 | Investigation of salinity in the river Thurne catchment of North East Norfolk |
191 | An assessment of water quality in the River Yarty catchment |
192 | Report on monitoring of environmental quality in the Severn Estuary |
193 | Artificial recharge to groundwater in the Otter valley |
194 | The Ely Ouse catchment management plan : final plan : January 1994 |
195 | Water quality in Anglian Region : the first five years |
196 | Changes in the phosphorus content of the sediment of Esthwaite Water and water quality in response to a decreasing input of sewage-borne phosphorus |
197 | 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 |
198 | 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 |
199 | 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 |
200 | Report for Anglian Water, plc on the use of the Orwell Estuary mathematical model to derive long term consent limits for Cliff Quay STW |