Natural England uses the borders of Derbyshire to mark one of its Areas of Search .
In England the body responsible for designating SSSIs is Natural England , which chooses a site because of its fauna , flora , geological or physiographical features .
Natural England uses the borders of Derbyshire to mark one of Natural England 's Areas of Search .
In England the body responsible for designating SSSIs is Natural England , which chooses a site because of its fauna , flora , geological or physiographical features .