三江源地区位于青海省南部,平均海拔四千米以上,我国最主要的三大河流——长江、黄河和澜沧江均发源于此。三江源地区是我国重要的水源地和生态屏障。这一地区主要以畜牧业为主,也是中国影响范围最大的生态功能区和重要的生态屏 Three Rivers source region is located in southern Qinghai Province, with an average elevation of more than four kilometers, the three major rivers in our country - the Yangtze River, the Yellow River and the Lancang River originated from this. The Three Rivers Region is an important water source and ecological barrier in China. The main livestock husbandry in this area is also the most important eco-functional area in China and an important ecological screen