甘肃河西区域生态系统特征分析与生态环境退化探讨

以区域生态系统理论为指导,分析了河西地区人口、经济与资源、环境间的动态关系,指出人口数量与文化素质水平是造成区域生态退化的主要根源,提高人类文化素质和加强生态环境意识建设是治理生态恶化之根本。

Analysis on the Features of Ecological System and Prope to Ecologically Environmental Deterioation in Hexi Region of Gansu

Hexi region,located in the west of Gansu,China,will become the foundation of commercial food,but it is suffering from the danger of desertification.How to coordinate the relationships between environment and development in this region has become the principal promblem that should be solved at once. The paper,directed by the theory of regionally ecological system,analyses the dynamic relationships among population,economy,resource and environment in Hexi region.It con- cludes that the population quantity and the level of human cultural quality are the main caus- es in ecologically environmental deterioration,and gives three main principles that should be used in harnessing ecologically environmental deterioration and re-constructing regional e- conomy environment.Finaly,the paper emphasizes that enhancing human cultural quality and strengthing on the construction of ecologically environmental conciousness are the bases of harnessing ecological environment deterioration.