176 | Macroinvertebrates in the Kennet catchment : Part 1 - water quality monitoring |
177 | Guide to the use of control charts in water analysis |
178 | A Review of Methods for Assessing the Hydromorphology of Lakes |
179 | Continuous water quality monitoring results for the Carnon river |
180 | An assessment of the NRA algal growth inhibition test : 1993/4 |
181 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1993 : SE/EAU/94/8 |
182 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9 |
183 | A second stage evaluation of the Grant YSI3815 Water Logger |
184 | The identification and investigation of a dinoflagellate bloom in Mounts Bay, Cornwall |
185 | An investigation of sewage on the beach at Porthcothan |
186 | The Test catchment southern : recommendations for statutory water quality objectives |
187 | The Worcestershire Stour catchment : recommendations for statutory water quality objectives |
188 | An assessment of river water quality in the River Kenn |
189 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
190 | Estuarial migration of Atlantic salmon in the river Dee (North Wales) |
191 | The NRA in business : annual review and summary accounts 1993-94 |
192 | Cyanobacteria (blue-green algae) in the south west region 1989 |
193 | Toxic blue-green algae : a report by the National Rivers Authority |
194 | Water quality investigations in the Newlyn river catchment |
195 | An assessment of water quality in the River Yarty catchment |
196 | Artificial recharge to groundwater in the Otter valley |
197 | The Ely Ouse catchment management plan : final plan : January 1994 |
198 | Investigation to determine the cause of the long-term BOD failure at Higher Weaver routine monitoring site (70532960) for 1995 and 1997 |
199 | Changes in the phosphorus content of the sediment of Esthwaite Water and water quality in response to a decreasing input of sewage-borne phosphorus |
200 | 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 |