976 | Front Cover of Some Methods for the Statistical Analysis of Samples of Benthic Invertebrates |
977 | Assessment of the nutrient status and associated algal productivity of Malham Tarn, Yorkshire
|
978 | Impact of watercress cultivation on river water quality- Progress report for the period January- December 1987 |
979 | Invertebrates of Esthwaite in relation to development of fish farming in the South Basin |
980 | Review of Literature on the Effect on Aquatic Communities of Particulate Copper in River Systems
|
981 | National marine baseline survey 1995 : littoral cell 2 : Flamborough Head to the Wash |
982 | Best Available Techniques For The Control Of Pollution In Inorganic Chemical Processes - Appendix |
983 | Thames Environment 21. The Environment Agency strategy for land-use planning in Thames Region |
984 | Water pollution incidents in England and Wales 1994 : report of the National Rivers Authority |
985 | Pesticides 1998 : a summary of monitoring of the aquatic environment in England and Wales |
986 | Planning application for the proposed Maidenhead, Windsor and Eton flood alleviation scheme January 1991 |
987 | Database and atlas of aquatic vascular plants in the British Isles : part 1 species accounts |
988 | Hope Cove : non-compliance in 1998 with the European Community bathing water directive (76/160/EEC) |
989 | Catches of Brown Trout in the River Don - Preliminary analysis of Angler's Returns |
990 | Front Cover of A Key to the British Freshwater Cyclopid and Calanoid Copepods, with Ecological Notes |
991 | Manual for the use of herbicides in or near water : January 1993 : final draft report |
992 | Investigation into the storm overflow discharge regime of Hill Barton Seawage Treatment Works Okehampton |
993 | Survey of physical characteristics of salmon spawning riffles in the river North Tyne
|
994 | Nitrates in surface water, inputs and seasonality- Progress report for the period April- December 1987 |
995 | The development of a portable battery-powered telemetry system for use in water quality investigations |
996 | Thames 21 - a planning perspective and a sustainable strategy for the Thames Region : consultation draft |
997 | River Meavy salmon and sea trout populations : assessment of the impact of flows |
998 | Environmental protection - the waste management licensing regulations 1994 : amended and consolidated. Version 5 |
999 | Problems and solutions in the management of open seas fisheries for Atlantic salmon |
1000 | Road transport and the environment risk assessment and options appraisal : final summary report |