浅析叶尔羌河流域胡杨林的演变规律及生态保护对策

Disscuss on Populus Evolution and Ecological Protection Countermeasures of Yeerqiang River Watershed

胡杨是一个古老的第三纪孑遗树种,胡杨林生态系统在绿洲演替与发展的不同阶段发挥着主要作用。通过对叶尔羌河流域胡杨林的生存现状、演变规律的调查,总结和分析当前胡杨林存在的一些生态环境问题,结合其流域特征和流域总体规划,对叶尔羌河流域开发中胡杨林的保护对策进行探讨。

Populus is an ancient legacy tree species of Tertiary period. Populus system plays a major role in different succession and development stages of oasis ecosystem. The paper analyzes and concludes some ecological environment problems existing in the Populus protection based on the survival status and evolution investigation of populus in Yeer-qiang River catchment. And then, the protection countermeasures of Populus during the process of Yeerqiang River catchment exploitation are discussed combining with this watershed characteristics and the whole watershed plan.