The Three Rivers Drainage Basins, including Jinsha River, Lanchang River and Nujiang River in eastern Tibetan, are the main compositions of River Source and Ecological Source.

• 金沙江、澜沧江和怒江是藏东地区著名的国际性大河,"三江"流域作为"江河源"、"生态源"的重要组成部分,它的生态环境变化对当地乃至周边地区都有着重大影响。