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776Front Cover of Some Methods for the Statistical Analysis of Samples of Benthic Invertebrates
777Assessment of the nutrient status and associated algal productivity of Malham Tarn, Yorkshire
778Impact of watercress cultivation on river water quality- Progress report for the period January- December 1987
779Invertebrates of Esthwaite in relation to development of fish farming in the South Basin
780National marine baseline survey 1995 : littoral cell 2 : Flamborough Head to the Wash
781Thames Environment 21. The Environment Agency strategy for land-use planning in Thames Region
782Bathing water quality in England and Wales in 1994 : report of the National Rivers Authority
783Interim guidelines on the ranges of enteric organism decay rates (T90s) under different marine conditions
784Trevone Bay beach EC bathing water guideline non-compliance : investigation into the Trevone Stream : final report
785Water pollution incidents in England and Wales 1994 : report of the National Rivers Authority
786Pesticides 1998 : a summary of monitoring of the aquatic environment in England and Wales
787Planning application for the proposed Maidenhead, Windsor and Eton flood alleviation scheme January 1991
788Database and atlas of aquatic vascular plants in the British Isles : part 1 species accounts
789The evaluation of a Partech model 5100 hand-held dissolved oxygen meter (220/26/T)
790Hope Cove : non-compliance in 1998 with the European Community bathing water directive (76/160/EEC)
791Catches of Brown Trout in the River Don - Preliminary analysis of Angler's Returns
792Front Cover of A Key to the British Freshwater Cyclopid and Calanoid Copepods, with Ecological Notes
793Manual for the use of herbicides in or near water : January 1993 : final draft report
794Nitrates in surface water, inputs and seasonality- Progress report for the period April- December 1987
795The development of a portable battery-powered telemetry system for use in water quality investigations
796Thames 21 - a planning perspective and a sustainable strategy for the Thames Region : consultation draft
797Environmental protection - the waste management licensing regulations 1994 : amended and consolidated. Version 5
798Road transport and the environment risk assessment and options appraisal : final summary report
799Space to live, space to play : a recreation strategy for the River Thames : appendices
800Effects of suspended solids on salmon (Salmo salar, L.) in the Parrett stuary, Somerset, Draft