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6276Herbarium Image: Veronica anagallis-aquatica
6277Herbarium Image: Zannichellia palustris
6278Land use practices and pathways of pesticide residues in the Mount's Bay catchment, Cornwall
6279A macroinvertebrate survey of the Releath stream and associated tributaries within the vicinity of Trevethan Farm : final draft report - Water Quality section, Cornwall area
6280Achieving positive gains from watercourses in new development
6281An investigation into the bathing water quality at Porthallow
6282An investigation of the water quality in three Plymouth catchment streams
6283River stretch quality : part 1 : river stretch reference information
6284Determining The Freshwater Flow Needs Of Estuaries
6285Hartsbourne Stream : proposed flood alleviation scheme
6286Lands End streams river water quality classification 1990
6287Lizard Peninsular streams and Helford River catchment river water quality classification 1990
6288Malodours and discolouration on the Wool Brook Sidmouth
6289National Rivers Authority (Thames Region) : Bridge Mill, Wheathampstead, survey and analysis of culverts
6290South Cornwall coastal streams : catchment action plan
6291The Status of Headwater Stream Fish Populations and their Tolerance to Low-Level Habitat Degradation
6292The Trophic Diatom Index: A User's Manual;
6293Transport velocities in Lincoln division : streams I report
6294Transport velocities in Lincoln division streams : II diagrams
6295West and Mid Cornwall review
6296An investigation into the water quality of a treated effluent from Hambleton Dairy, Todber, Dorset
6297Great Brook fisheries survey
6298Schedule of main rivers (Midlands) booklet
6299A desk study to assess the compliance of the River Fowey with the EC Surface Water Abstraction Directive : June 1997 COR/97/024
6300A guide to monitoring water levels and flows at wetland sites