背景我国两大河流长江、黃河,以及亚洲重要的国际河流澜沧江——湄公河,这三江源头位于青海省玉树藏族自治洲。这里山川优美、湖泊密布、人烟稀少,有丰富的水资源和野生动物资源。为了保护我国三大江河源头生态系统,解决这里面临的生态退化及严重后果,国家林业局批准成立了三江源自然保护区。三江源自然保护区建成后面积将达到31万平方 Background The two major rivers in China, the Yangtze River and the Yellow River, and the important international river in Asia, the Lancang-Mekong River, are located in the Yushu Tibetan Autonomous State of Qinghai Province. Here beautiful mountains and lakes, densely populated, sparsely populated, rich in water resources and wildlife resources. In order to protect the ecosystem of the three major rivers in China and solve the ecological degradation and serious consequences here, the State Forestry Administration approved the establishment of the Sanjiangyuan Nature Reserve. Sanjiangyuan Nature Reserve will be completed after the area reached 310,000 square