County Wildife Site Criteria for Cornwall Appendices

RIVERS PHTGeneral DescriptionThe Rivers priority habitat is based around three broad features: Habitats Directive Annex I habitat type Rivers with Ranunculion fluitantis and Callitricho-Batrachion vegetation; Headwaters; and Exposed river sediments.The important features of a river system vary from the nutrient-poor headwaters with few higherplants to the richer lowland systems. The headwaters support stoneflies, mayflies and caddisfliestogether with salmon and brown trout. the lowland rivers are more likely to hold fish such as chuband roach.Area of PHT in Cornwall (ha): estimated (est) 300-600For this habitat we will take all areasWe have not mapped the distribution of this PHT.Appendix 4 - Information Relating to Priority Habitat TypesCounty Wildlife Sites Criteria