新疆阿勒泰地区河谷次生林对水源涵养起着重要作用,是维系绿洲稳定的根本保证。阿勒泰地区的额尔齐斯河、乌伦古河有各种野生植物近千种,野生动物数十种,还有300多种昆虫。一些物种是阿勒泰特有的,比如银白杨、银灰杨、额河杂交杨等,其基因和 Secondary forests in valleys of Altay Prefecture in Xinjiang play an important role in water conservation and are the fundamental guarantee for maintaining the stability of oases. Altai region of the Irtysh River, Wulungu River has a thousand species of wild plants, dozens of wild animals, there are more than 300 kinds of insects. Some species are Altay endemic, such as poplar, aspen, forehead hybrid poplar, etc., its genes and