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901Impact of watercress cultivation on river water quality- Progress report for the period January- December 1987
902Invertebrates of Esthwaite in relation to development of fish farming in the South Basin
903Eutrophication in controlled waters in the Warwickshire Avon catchment (final report). Vol 2 : appendices
904Best Available Techniques For The Control Of Pollution In Inorganic Chemical Processes - Appendix
905Thames Environment 21. The Environment Agency strategy for land-use planning in Thames Region
906Bathing water quality in England and Wales in 1994 : report of the National Rivers Authority
907Interim guidelines on the ranges of enteric organism decay rates (T90s) under different marine conditions
908Trevone Bay beach EC bathing water guideline non-compliance : investigation into the Trevone Stream : final report
909Water pollution incidents in England and Wales 1994 : report of the National Rivers Authority
910Pesticides 1998 : a summary of monitoring of the aquatic environment in England and Wales
911Planning application for the proposed Maidenhead, Windsor and Eton flood alleviation scheme January 1991
912Database and atlas of aquatic vascular plants in the British Isles : part 1 species accounts
913The evaluation of a Partech model 5100 hand-held dissolved oxygen meter (220/26/T)
914Hope Cove : non-compliance in 1998 with the European Community bathing water directive (76/160/EEC)
915Catches of Brown Trout in the River Don - Preliminary analysis of Angler's Returns
916Front Cover of A Key to the British Freshwater Cyclopid and Calanoid Copepods, with Ecological Notes
917Manual for the use of herbicides in or near water : January 1993 : final draft report
918Nitrates in surface water, inputs and seasonality- Progress report for the period April- December 1987
919The development of a portable battery-powered telemetry system for use in water quality investigations
920Thames 21 - a planning perspective and a sustainable strategy for the Thames Region : consultation draft
921River Meavy salmon and sea trout populations : assessment of the impact of flows
922Problems and solutions in the management of open seas fisheries for Atlantic salmon
923Road transport and the environment risk assessment and options appraisal : final summary report
924Space to live, space to play : a recreation strategy for the River Thames : appendices
925Effects of suspended solids on salmon (Salmo salar, L.) in the Parrett stuary, Somerset, Draft