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6851Mount's Bay and Lands End streams catchment river water quality classification 1991
6852Herbarium Image: Luzula pilosa
6853Herbarium Image: Tofieldia pusilla
6854Herbarium Image: Luzula spicata
6855Herbarium Image: Tofieldia pusilla
6856Herbarium Image: Carex bigelowii
6857Herbarium Image: Carex arenaria
6858Herbarium Image: Elodea sp.
6859Herbarium Image: Carex aquatilis
6860Herbarium Image: Persicaria amphibia
6861Herbarium Image: Persicaria amphibia
6862Herbarium Image: Persicaria hydropiper
6863Herbarium Image: Eleocharis palustris
6864Herbarium Image: Persicaria amphibia
6865Herbarium Image: Schoenoplectus lacustris
6866Herbarium Image: Schoenoplectus tabernaemontani
6867Best Management Practices to Reduce Diffuse Pollution from Agriculture
6868A report on the use of pesticides at two Hampshire watercress farms
6869A field guide to the British seaweeds : as required for assistance in the classification of water bodies under the Water Framework Directive
6870Radiation Experiments on Aquatic Organisms
6871Impact Of Conifer Harvesting And Replanting On Upland Water Quality
6872Porth, Gluvian and Menalhyl catchment river water quality classification 1990
6873River Cober catchment river water quality classification 1991
6874River Fal catchment river water quality classification 1990
6875Fact sheet for the RBCA tool kit for chemical releases