青海省是我国主要江河发源地,被誉为“中华水塔。其生态状况不仅关系到高原的经济社会可持续发展,更关系到全国的生态安全,是重要的生态源,也是重要的生命源。分布在这一区域的森林植被,发挥着保持水土、涵养水源、防风固沙等重要生态功能,维护着江河安澜畅流,是江河的重要生态 Qinghai Province is the birthplace of China’s major rivers and known as “China Water Tower.” Its ecological status is not only related to the sustainable economic and social development of the plateau, but also to the ecological security of the entire country. It is also an important ecological source and an important source of life. The forest vegetation distributed in this region plays an important ecological function of maintaining water and soil, conserving water sources and preventing wind and sand, and maintains the smooth flow of rivers and lakes. It is an important ecological environment of rivers