Biosphere Reserves are areas of terrestrial and coastal eco-systems which are internationally recognised within the framework of the United Nations Education, Scientific, and Cultural Organisation's (UNESCO's) Man and Biosphere Programme.
Collectively, they constitute a World Network. They are nominated by national governments and must meet a minimal set of criteria and adhere to a minimal set of conditions before being admitted into the World Network.
Each Biosphere Reserve remains under the sovereignty of the State where it is situated and submits to State legislation.