岷江上游民族地区生态环境退化与整治研究

Study on Ecological Degradation and Renovatiln in Multl-Ethnic Areas of the Upper Reaches of Minjiang River

在过去几十年 ,由于人口超过环境承载量 ,人们生产方式和生活方式落后 ,以及生态脆弱等诸多因素 ,导致岷江上游民族地区生态环境退化 ,如植被 ,草场 ,土地的退化及自然灾害频繁发生等。目前 ,区域贫困和生态环境退化已形成了恶性循环。本文根据生态环境退化的现状和人为活动的特点 ,提出了生态环境恢复和整治的对策 ,为岷江上游民族地区生态屏障的构建提出新思路。

In the past decades,some factors of over-loaded caarrying capacity of population,backward modes of production,backward life style and ecological fragility in Multi-ethnic areas of the upper reaches of Minjing River resulted in ecological degradation,for instance,vegetation,grass degradation and soli erosion and natural calamities occurred frequently.At present,regional poverty and ecological degradation form a vicious circle.According to the degradation situation of the ecosystem and human activities fresures,in this paper,countermeasures for restoration and repair of degraded ecosystem are suggested,and new idea are provided for ecological protective screen construction in multi-ethnic areas of the upper reaches of Minjiang River.