The World Conservation Union, which specializes in compiling lists of protected species, also keeps a list of conservation areas. A government can have an area listed without even knowing what "treasures" it contains.
專門整合國際保育物種名錄的國際「自然保育聯盟」，就針對保護區另設一類，即使某地區有些什麼樣的「寶藏」仍然未知，只要地主國覺得重要，就可以申請列名加以保存。