County Wildife Site Criteria for Cornwall Appendices

LOWLAND MIXED DECIDUOUS WOODLAND PHTGeneral DescriptionLowland mixed deciduous woodlands are typically lowland woods of about 20 ha growing in a flat orgently undulating farmland landscape. he woods are usually dominated by mixtures of oak, ash andhazel which may have been coppiced in the early pat of the twentieth century.These woodlands vary considerably in their ground flora, ranging from the dog’s mercury Mercurialisperennis dominated ground layer of the W8 woodlands which often include enchanter’s nightshadeCircaea lutetiana and primrose Primula vulgaris in addition to bluebell Hyacinthoides non-scripta and woodanemone Anemone nemoralis to the poorer examples of W10. They are, accordingly, similar in somerespects to both the upland mixed ashwoods and the upland oakwoods and may in some places bedifficult to separate.National ContextThere are no precise figures for the total extent of this woodland type, but it is believed to bebetween about 150 and 200 000 ha in the UK. It includes most semi-natural woodland in southernand western England and parts of lowland Wales and Scotland.Area of PHT in Cornwall (ha): 159 (as mapped: see comments)Total0.1% NationalNumber of polygons: 36 (as mapped: see comments)The habitat is: Rare - UncommonDistribution by Administrative DistrictDistrict P K CK R CN NC ΣNumber 0 2 0 1 24 9 36Area (ha) 0 4 0 1 122 32 159Distribution by Natural AreaDistrict Pe Lz CKG BM Cu ΣNumber 0 1 30 0 5 36Area (ha) 0 2 141 0 16 159For this habitat the threshold area is 1.5 haAppendix 4 - Information Relating to Priority Habitat TypesCounty Wildlife Sites Criteria