World Conservation Union世界自然保护联盟 International Union for the Conservation of Nature and Natural Resources (formerly the International Union for the Protection of Nature, IUPN)国际自然与自然资源保护的国际联盟(原名为保护自然,IUPN) International Union for Conservation of Nature国际联盟为自然保育 International Union for Conservation of Nature and Natural Resources国际自然保护联盟 Uniunea Internationala Pentru Conservarea NaturiiUniunea Internationala Pentru Conservarea Naturii