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