County Wildife Site Criteria for Cornwall Appendices

REEDBEDS: SourcesDataset Description Owner Role in Inventory Access NotesAerial photos ofCCCHeld at CCCCornwallCounty WildlifeSite filesEN local teamSSSI filesEA reedbedsurveyEN SAC surveyson GISNT site surveyreportsDigital photographstaken in 2000,together with printstaken in 1995/6Reports held in paperfiles. (1980-1988)ERCCISCan be used toidentify up-to-dateboundaries.The main source ofreedbeds IDthroughout thecounty.Could hold significantinformationPaper information on ENSSSIsPaper maps (2001) EA Should hold someuseful informationCarried out to NVC EN May well have usefullevel. 2001. Fal &information. UsedHelford and River1995 API forTamar SACs.boundaries.Reports on surveys ofNT land. (1979-2001)NTCould hold significantinformationERCCISENERCCISENERCCISGood qualityinformationNot a priorityBoundaries are poorlydrawn.Good qualityinformationGood qualityinformation where itexists: e.g. Gunwalloeand Loe PoolPhase 1 maps Paper information EN ERCCIS Poor qualityWetlandsERCCISERCCIS Good qualitylandcover on GISinformationMaps of wetlandsdrawn from acombination ofreferences and API(1996)REEDBEDS: CommentsIndividual polygonswhich may be shownto be reeds should beaccurate.Data SourcesEN SAC surveys on GISCounty Wildlife Site filesAerial photos of CornwallThe DefinitionGoodReliability of PHTInterpretationGoodOverall AssessmentGoodCommentA combination of these three sources was generally sufficient.CommentThere is no problem using the definition.ExplanationThe definition is sufficiently general that interpretation isrelatively straightforward.CommentsThere are few possible sites to examine in the county, so thatonly a few simple judgements are needed to produce aninventory of sites. There is some doubt relating to a smallnumber of sites, but there are no significant areas of doubt.We believe that the map of reedbeds to be reasonably accurate.Appendix 4 - Information Relating to Priority Habitat TypesCounty Wildlife Sites Criteria