Foulness SSSI Foulness SSSI Foulness SSSI is a 10,702 hectare biological Site of Special Scientific Interest covering the shoreline between Southend-on-Sea and the Crouch estuary in Essex. It is a key site in "A Nature Conservation Review", and is part of the Essex Estuaries Special Area of Conservation. It covers two Ramsar wetland sites of international importance, 'Crouch and Roach Estuaries' and 'Foulness'. An area of 6.4 hectares is Shoeburyness Old Ranges, a Local Nature Reserve managed by the Essex Wildlife Trust. Most of the site is owned and managed by the Ministry of Defence. Natural England describes it as "extensive intertidal
White Island, Isles of Scilly White Island, Isles of Scilly White Island (, "facing the mainland") is one of the larger unpopulated islands of the Isles of Scilly, part of the United Kingdom, and lies off the coast of the northernmost populated island of the group, St Martin's, to which it is joined by a tidal causeway, or isthmus. The island is designated as a Site of Special Scientific Interest (SSSI) and a Geological Conservation Review site and is managed by the Isles of Scilly Wildlife Trust on behalf of the Duchy of Cornwall. Access to the island can be dangerous when the rocky causeway