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6251Herbarium Image: Ranunculus peltatus
6252Herbarium Image: Veronica anagallis-aquatica
6253Herbarium Image: Zannichellia palustris
6254Herbarium Image: Veronica scutellata
6255Herbarium Image: Veronica filiformis
6256Herbarium Image: Veronica anagallis-aquatica
6257Herbarium Image: Zannichellia palustris
6258Land use practices and pathways of pesticide residues in the Mount's Bay catchment, Cornwall
6259A macroinvertebrate survey of the Releath stream and associated tributaries within the vicinity of Trevethan Farm : final draft report - Water Quality section, Cornwall area
6260Achieving positive gains from watercourses in new development
6261An investigation into the bathing water quality at Porthallow
6262An investigation of the water quality in three Plymouth catchment streams
6263River stretch quality : part 1 : river stretch reference information
6264Determining The Freshwater Flow Needs Of Estuaries
6265Gorran Haven (Little Perhaver) EC bathing waters directive failure 1996 : an investigation of the Gorran Haven Stream
6266Hartsbourne Stream : proposed flood alleviation scheme
6267Investigation of the water quality in the Buckland stream up and downstream of East/West Buckland
6268Lands End streams river water quality classification 1990
6269Lizard Peninsular streams and Helford River catchment river water quality classification 1990
6270Malodours and discolouration on the Wool Brook Sidmouth
6271Millendreath Stream EC Bathing Waters bacterial contamination investigation 1995
6272National Rivers Authority (Thames Region) : Bridge Mill, Wheathampstead, survey and analysis of culverts
6273South Cornwall coastal streams : catchment action plan
6274The Status of Headwater Stream Fish Populations and their Tolerance to Low-Level Habitat Degradation
6275The Trophic Diatom Index: A User's Manual;