251 | Method for the assessment of river water quality using benthic macroinvertebrates |
252 | The National Groundwater and Contaminated Land Centre (NGWCLC) |
253 | The greening of Grasmere: its plankton periodicity in 1988 |
254 | 'Sea Vigil' water quality monitoring : the Wash 1992-1993 |
255 | The Yarrow catchment : recommendations for statutory water quality objectives |
256 | Targeted Monitoring Programme for Pharmaceuticals in the Aquatic Environment |
257 | The Louth coastal catchment management plan : final report |
258 | The Loddon catchment, Thames : recommendations for statutory water quality objectives |
259 | Uses of the water environment: factsheet number six |
260 | River basin planning and the Water Framework Directive |
261 | First annual review of the River Exe catchment management plan |
262 | First annual review of the Taw/Torridge estuary catchment management plan (1996) |
263 | Biological water quality monitoring in the Midlands region |
264 | Environmental protection and pollution control : in the North West |
265 | Impact of breakwaters on the water quality of Sidmouth beach |
266 | First annual review of the River Taw catchment management plan (1996) |
267 | Investigation of mercury contamination in the Red River catchment, West Cornwall |
268 | Groundwater-surface Water Interactions in the Hyporheic Zone |
269 | River water quality in the Midlands 1994/95 : water quality summary data |
270 | Applications Of Artificial Intelligence For The Biological Surveillance Of River Quality |
271 | Strategy for the use of field instrumentation in water quality monitoring |
272 | Anthropogenic Influences on the temperature regime in a chalk river |
273 | Macroinvertebrates of the River Nar : Great Ouse catchment : draft report |
274 | Water and the environment in times of drought |
275 | Wash zone report. Part 1 : the Wash NRA monitoring review |