额济纳绿洲生态环境变化及原因分析

Ecological Environment Changes and Causes Analysis in Erjina Oasis

为制止额济纳绿洲生态环境的继续恶化,介绍黑河下游额济纳绿洲的自然概况,分析近年来该区域植被退化、水资源减少、土地沙化等环境恶化的原因。结果表明,造成环境退化的主要原因,是黑河下游的地表水径流减少,其次是人类活动的破坏。提出了协调管理全黑河流域水资源、采用科学的节水措施这一控制额济纳绿洲环境继续恶化的治理措施和思路。

In order to prevent eco-environment of Erjina Oasis from deterioration, the natural conditions of the Erjina Oasis at the lower reaches of Heihe River are introduced and the environmental deterioration problems which are degradation of vegetation and decrease of the water resources and desertification of land in this region in recent years are analyzed . The main causes of the environment degeneration are the decrease of the surface water runoff coming from the lower reaches of Heihe River, the secondary reason is destruction caused by human activities. At last, the administrative measure and thinking of controlling the environmental deterioration in this area of taking coordinated management on water resources all over the river basin and using scientific measure of saving water are pointed out.