276 | Catches of migratory fish in the River Don, Aberdeenshire |
277 | Stream survey and assessment in the Ashford and Folkestone areas |
278 | Lakes, Ponds and Reservoirs in the Southern Region (NRA) |
279 | The 1990 river and estuary classification survey of England and Wales |
280 | The evaluation of an orion ammonium ion selective electrode (220/15/T) |
281 | Anthropogenic Impacts on the Hydrology of Rivers and Lochs |
282 | Model For Investigating The Impacts Of Groundwater Abstraction |
283 | Operational mechanisms for the protection and enhancement of headwaters |
284 | The Impact of Grazing and Upland Management on Erosion and Runoff |
285 | Water resources for the future : a strategy for Midlands Region |
286 | Water resources for the future : a strategy for Southern region |
287 | The feasibility of biomanipulation in reservoirs and deeper lakes : draft final report |
288 | Distribution of Azolla in the Great Ouse catchment |
289 | Investigation into the cause of high phenols in Budleigh Brook (1998) |
290 | Non-compliance of the Bidwell Brook with river quality objectives |
291 | An investigation into the sewage system and storm overflow at Beer (1997) |
292 | River Axe Fish Study - Evaluation of Fish Movements in the Estuary |
293 | Sustainable urban drainage : an introduction : protecting the quality of our environment |
294 | Identification of water quality problems in the Strat and Neet catchments |
295 | Method for the assessment of river water quality using benthic macroinvertebrates |
296 | The National Groundwater and Contaminated Land Centre (NGWCLC) |
297 | The greening of Grasmere: its plankton periodicity in 1988 |
298 | Policy and practice for the protection of groundwater - Thames region appendix |
299 | 'Sea Vigil' water quality monitoring : the Wash 1992-1993 |
300 | The Yarrow catchment : recommendations for statutory water quality objectives |