三江源自然保护区是我国最大的自然保护区。三江源地区是我国长江、黄河和国际河流澜沧江———湄公河的发源地 ,位于青海省南部 ,属于海拔40 0 0米以上的青藏高原腹地 ,包括青海省的玉树、果洛两个藏族自治州全境以及黄南、海南、海西三个藏族自治州所辖的泽库、河南、兴海、 Sanjiangyuan Nature Reserve is China’s largest nature reserve. The Three Rivers Region is the birthplace of China’s Yangtze River, the Yellow River and the international rivers Lancang-Mekong. It is located in the southern part of Qinghai Province and belongs to the hinterland of Qinghai-Tibet Plateau above 400 meters above sea level, including the two Tibetan autonomous prefectures of Yushu and Guoluo in Qinghai Province Habitat and Huangnan, Hainan, Hercynian three Tibetan Autonomous Prefecture under the jurisdiction of Zeku, Henan, Xinghai,