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Environmental Statement volume 4 - Chiltern Evergreen3

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Site name/area/distance fromdevelopmentQualifying interest (habitats and species),general condition requirements andmanagement measuresConservation objectives Site sensitivities Known vulnerabilityand threatsbiomass, leading to grass dominance.Sward Composition Negative Indicators Species composition targets – choice of speciesrelated to NVC type – invasive species mayindicate problems of eutrophication anddisturbance from various sources when outsidetarget eg poaching, stock feeding, late flooding. Cover of tree and scrub/invasive species –problems may indicate mis-management eg notcut for hay annually. Indicators of waterlogging – outside target mayindicate raised water tables.Site specific commentsCassington Meadows SSSI: Only the central portion of the west meadowhas MG4. North third of west meadow recovering fromploughing & re-seeding and has lowerfrequency of herbs. The areas west of the ditches in the westmeadow are Glyceria marsh and not MG4.Pixey and Yarnton Meads SSSI: There are areas with a lower proportion ofherbs. The Oxford end of Pixey Mead is naturally wetand has small patched of transitional to swampENVIRONMENTAL RESOURCES MANAGEMENTF10CHILTERN RAILWAYS

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