6151 | Herbarium Image: Veronica scutellata |
6152 | Herbarium Image: Veronica filiformis |
6153 | Herbarium Image: Veronica anagallis-aquatica |
6154 | Herbarium Image: Zannichellia palustris |
6155 | Land use practices and pathways of pesticide residues in the Mount's Bay catchment, Cornwall |
6156 | A macroinvertebrate survey of the Releath stream and associated tributaries within the vicinity of Trevethan Farm : final draft report - Water Quality section, Cornwall area |
6157 | Achieving positive gains from watercourses in new development |
6158 | An investigation into the bathing water quality at Porthallow |
6159 | An investigation of the water quality in three Plymouth catchment streams |
6160 | River stretch quality : part 1 : river stretch reference information |
6161 | Determining The Freshwater Flow Needs Of Estuaries |
6162 | Hartsbourne Stream : proposed flood alleviation scheme |
6163 | Lands End streams river water quality classification 1990 |
6164 | Lizard Peninsular streams and Helford River catchment river water quality classification 1990 |
6165 | Malodours and discolouration on the Wool Brook Sidmouth |
6166 | National Rivers Authority (Thames Region) : Bridge Mill, Wheathampstead, survey and analysis of culverts |
6167 | South Cornwall coastal streams : catchment action plan |
6168 | The Status of Headwater Stream Fish Populations and their Tolerance to Low-Level Habitat Degradation |
6169 | The Trophic Diatom Index: A User's Manual; |
6170 | Transport velocities in Lincoln division : streams I report |
6171 | Transport velocities in Lincoln division streams : II diagrams |
6172 | West and Mid Cornwall review |
6173 | An investigation into the water quality of a treated effluent from Hambleton Dairy, Todber, Dorset |
6174 | Great Brook fisheries survey |
6175 | Schedule of main rivers (Midlands) booklet |