1251 | Aldrin and dieldrin concentrations in the Newlyn catchment during 1991 an interim report |
1252 | Scenarios for the operational implementation of remote sensing of snow by satellites : interim report (207/3/N) |
1253 | Macrophyte status of the Rivers Test and Itchen - Hampshire : summary report - October 1998 |
1254 | Nutrient export modelling on the River Bure, Norfolk : progress report 2 : June-July 1995 |
1255 | An audit of performance in the processing of macro-invertebrate samples in 1992 |
1256 | Development of the Acid Water Indicator Community (AWIC) Macroinvertebrate Family and Species Level |
1257 | The application and validation of in situ ecotoxicological assays at biologically and chemically incongruous sites (379/2/T) |
1258 | A report on a baseline survey of the subtidal benthic communities within Portland Harbour (January 1997) |
1259 | Linking hydrology and ecology : River Wissey : Annex B aquatic macrophytes of the River Wissey |
1260 | Policy and practice for the protection of groundwater : regional appendix South West region |
1261 | The available resource methodology : a framework for assessing water resources and abstraction availability : final report |
1262 | Controlling the inputs of persistent chemical to marine waters from land-based sources |
1263 | An environmental assessment of mercury in mussels (Mytilus edulis L.) in the Mersey Estuary : final report |
1264 | The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1 |
1265 | Heavy metal contaminants in fish caught from the Mersey Estuary and inshore Liverpool Bay |
1266 | A review of the industrial uses of continuous monitoring systems : minerals industry processes |
1267 | Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development |
1268 | Manual for the use of herbicides in or near water : April 1993 : final draft report |
1269 | Direct toxicity assessment : a step towards better environmental protection within the UK : business strategy |
1270 | Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales |
1271 | Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd |
1272 | Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model |
1273 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |
1274 | Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996 |
1275 | The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T) |