干旱半干旱流域生态环境变化与人类活动间的相互影响分析

西部干旱半干旱流域生态环境变化与人类活动间的相互影响具有共性特征和一般规律,扭转该流域生态环境恶化的不利局面,必须综合考量自然要素、经济要素和社会要素,除了工程技术手段之外,应当通过法律政策等制度手段规范、引导人们干扰生态环境的方式和手段,使干扰的强度和频度始终保持在生态系统可以承载的范围之内,实现人与自然、社会的和谐和可持续发展。

Analysis of the Interrelationship between the Change of Ecological Environment and Human Activities in the Arid and Semi-arid River Basin

There are common characteristics and general law between the change of ecological environment and human activities in the western part of arid and semi-arid river basin.To reverse the unfavorable situation which the ecological environment is deteriorating in the river basin,it is necessary to comprehensively think about natural elements,economic factors and social factors.Besides the engineering technology methods,it is compulsory to regulate and guide the ways and means of human's interfering ecological en...