5151 | Herbarium Image: Veronica anagallis-aquatica |
5152 | Herbarium Image: Zannichellia palustris |
5153 | Land use practices and pathways of pesticide residues in the Mount's Bay catchment, Cornwall |
5154 | A macroinvertebrate survey of the Releath stream and associated tributaries within the vicinity of Trevethan Farm : final draft report - Water Quality section, Cornwall area |
5155 | An investigation into the bathing water quality at Porthallow |
5156 | River stretch quality : part 1 : river stretch reference information |
5157 | Determining The Freshwater Flow Needs Of Estuaries |
5158 | Gorran Haven (Little Perhaver) EC bathing waters directive failure 1996 : an investigation of the Gorran Haven Stream |
5159 | Hartsbourne Stream : proposed flood alleviation scheme |
5160 | Investigation of the water quality in the Buckland stream up and downstream of East/West Buckland |
5161 | Lands End streams river water quality classification 1990 |
5162 | Lizard Peninsular streams and Helford River catchment river water quality classification 1990 |
5163 | Malodours and discolouration on the Wool Brook Sidmouth |
5164 | Millendreath Stream EC Bathing Waters bacterial contamination investigation 1995 |
5165 | National Rivers Authority (Thames Region) : Bridge Mill, Wheathampstead, survey and analysis of culverts |
5166 | South Cornwall coastal streams : catchment action plan |
5167 | The Status of Headwater Stream Fish Populations and their Tolerance to Low-Level Habitat Degradation |
5168 | The Trophic Diatom Index: A User's Manual; |
5169 | Transport velocities in Lincoln division : streams I report |
5170 | Transport velocities in Lincoln division streams : II diagrams |
5171 | West and Mid Cornwall review |
5172 | An investigation into the water quality of a treated effluent from Hambleton Dairy, Todber, Dorset |
5173 | Great Brook fisheries survey |
5174 | Schedule of main rivers (Midlands) booklet |
5175 | A desk study to assess the compliance of the River Fowey with the EC Surface Water Abstraction Directive : June 1997 COR/97/024 |