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726Impact of watercress cultivation on river water quality- Progress report for the period January- December 1987
727Invertebrates of Esthwaite in relation to development of fish farming in the South Basin
728Review of Literature on the Effect on Aquatic Communities of Particulate Copper in River Systems
729National marine baseline survey 1995 : littoral cell 2 : Flamborough Head to the Wash
730Thames Environment 21. The Environment Agency strategy for land-use planning in Thames Region
731Bathing water quality in England and Wales in 1994 : report of the National Rivers Authority
732Interim guidelines on the ranges of enteric organism decay rates (T90s) under different marine conditions
733Water pollution incidents in England and Wales 1994 : report of the National Rivers Authority
734Pesticides 1998 : a summary of monitoring of the aquatic environment in England and Wales
735Database and atlas of aquatic vascular plants in the British Isles : part 1 species accounts
736Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk D
737The evaluation of a Partech model 5100 hand-held dissolved oxygen meter (220/26/T)
738Catches of Brown Trout in the River Don - Preliminary analysis of Angler's Returns
739Front Cover of A Key to the British Freshwater Cyclopid and Calanoid Copepods, with Ecological Notes
740Manual for the use of herbicides in or near water : January 1993 : final draft report
741Survey of physical characteristics of salmon spawning riffles in the river North Tyne
742Nitrates in surface water, inputs and seasonality- Progress report for the period April- December 1987
743ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk A
744The development of a portable battery-powered telemetry system for use in water quality investigations
745Environmental protection - the waste management licensing regulations 1994 : amended and consolidated. Version 5
746Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk C
747ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk D
748Problems and solutions in the management of open seas fisheries for Atlantic salmon
749Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk M
750Road transport and the environment risk assessment and options appraisal : final summary report