County Wildife Site Criteria for Cornwall Appendices

Outstanding assemblagesAll sites with at least 14 breeding species should be considered for selection.Further guidelinesAll records should be within three years of the selection date. Only confirmed breedingrecords should be considered. Transient populations should not be considered.If possible, every breeding species firmly established within Cornwall should be present in atleast one CWS.In the definition of site boundaries, semi-natural terrestrial habitats used for feeding andresting should be included, as well as the breeding sites themselves. It may also be necessaryto include part of the catchment in order to protect water quality or quantity.Those species that have not been mentioned so far include several that are rare, uncommonor localised in Cornwall. They add to the value of a site and can be taken account of in theprocess of evaluation. Of particular note are the following:Calopteryx splendensSympetrum danaeAppendix 6 – Species Evaluation in CornwallCounty Wildlife Sites Criteria