There are 163 Sites of Special Scientific Interest (SSSIs) in Norfolk, out of which 123 are biological, 25 are geological and 15 are both biological and geological. In England, SSSIs are designated by Natural England, which is responsible for protecting England's natural environment. Designation as an SSSI gives legal protection to the most important wildlife and geological sites. Sixty-one sites in Norfolk are Special Areas of Conservation, forty-four are Special Protection Areas, thirty-two are Ramsar sites, forty are Geological Conservation Review sites, and thirty-five are Nature Conservation Review sites. Twenty-two sites are managed by the Norfolk Wildlife Trust, one by the Suffolk Wildlife Trust, three by the National Trust, one by the Royal Society for the Protection of Birds and one by the Wildfowl & Wetlands Trust. (Full list...)