County Wildife Site Criteria for Cornwall Appendices

COASTAL SAND DUNES: SourcesDataset Description Owner Role in Inventory Access NotesAerial photos ofCCCHeld at CCCCornwallCounty WildlifeSite filesEN local team SSSIfilesNT site surveyreportsDigital photographstaken in 2000, togetherwith prints taken in1995/6Reports held in paperfiles. (1980-1988)Paper information onSSSIsReports on surveys ofNT land. (1979-2001)ERCCISENNTCan be used to identifyup-to-date boundarieswhere the tide allows.Useful as a back-up tothe Sand dune Surveyof CornwallCould hold significantinformationCould hold significantinformationERCCISENERCCISGood qualityinformationGood qualityinformation where itexists: e.g. GunwalloePhase 1 maps Paper information EN ERCCIS Poor qualitySand dunelandcover on GISERCCIS Should be close to thePHTERCCISSand Dune Surveyof CornwallMaps of sand dunedrawn from acombination ofreferences and API(1996)A map of all the majorsand dunes in thecounty.COASTAL SAND DUNES: CommentsENThe main source ofsand dune IDthroughout the county.ERCCISGood qualityinformation, but mayexclude the embryonicstages.High qualityinformation, close toNVC.Data SourcesNational Sand Dune (NSD)InventoryThe DefinitionGoodReliability of PHTInterpretationGoodOverall AssessmentGoodCommentThe NSD survey is a comprehensive overview of the sand dunesin the county. There are other sources, but they areunnecessary.CommentThe definition is clear and unequivocal, being based on NVCcommunities.ExplanationThere are two methods that may be reliably used to identifyPHT: Phase 1 habitat types and NVC communities. Because theNSD is entirely mapped to NVC level, there is no difficulty withthe interpretation.CommentsWe consider that this PHT has been accurately mapped.Appendix 4 - Information Relating to Priority Habitat TypesCounty Wildlife Sites Criteria