关键词: 生态环境, 规划, 西藏阿里地区

Abstract: In this paper,the present situation,course of evolution of eco-environment in Ngari prefecture in Tibet were thoroughly analyzed.And the regional eco-environmental problems such as air temperature rise,precipitation decline,grassland degradation,vegetation vanishing,fre-quent occurrence of natural disasters,malmanagement of eco-environment were also explored.On the basis of the results,the important issues existing in the development were discussed and the following items for sustainable development were projected:1)The sand control engineering pro-ject of Shiquanhe drainage basin and its surrounding region;2)construction of nature protected areas;3)making use of biological engineering measures to scientifically eradicate rats,protect and extend livestock food chain project;4)to set up grassland eco-environmental monitoring and early-warning system;5)to enhance eco-environmental construction of small towns;6)to develop multi-function shelter forest systems dominated by fuel forest and timber forest;7)to carry out farmland ecosystem construction;and8)to build project for controlling contaminations of mining and livestock products processing activities.And the following countermeasures are identified as:(a)Ngari region want to establish and perfect eco-environmental management and supervision or-ganization;(b)to launch investigation of the general situation of nature protected area;(c)to in-tensify law enforcement,and protect and harness the eco-environment according to law;(d)to in-crease scientific and technical input,develop green property and guarantee the environment safe-ty;and(e)to economize fuel forest,and pursue contract system of wood and grass properties,and promote the eco-environment to take the road towards sustainable development.

Key words: eco-environment, programme, probe into, Ngari region of Tibet