[关键词]
[摘要]
对庆阳市资源、环境的现状进行调查分析,利用单因素评价模型,分别从该地区环境纳污能力、资源供给能力和人类支持能力3个分目标层;土壤环境、水环境、大气环境、土地资源、水资源、植被资源、管理与建设水平以及社会经济进步8个准则层对全区资源环境承载力进行综合评价。结果表明,3个目标层中资源供给能力对反映区域承载力的大小重要程度最大,准则层中植被和水对整个区域资源与环境承载力影响较大。庆阳市8个县区内资源与环境承载力存在一定的地域差异。
[Key word]
[Abstract]
With the development of the society and economy, the contradictions among population, resources and environment are increasing, and the capacity of resources and environment become one of the focal issues to the concern of contemporary ecological environment research. In this paper, we investigate and study present situation of resources and environment based on the review of the capacity of domestic and foreign resources and environment. to evaluate of the capacity of resources and environment in Qingyang, we appraise three objective layer including assimilative capacity of environment, supply capacity of resources and support capacity of human, and also soil environment, water environment, atmospheric environment, land resources, water resources, vegetation resources, the level of management and construction and the progress of economic and social, totally eight criteria layer, by using single factor evaluation model. The result shows that the supply capacity of resources gave highest impact on reflecting the regional capacity in three target layer, and in criteria layer, vegetation and water resources gave higher impact on the regional resources and environment capacity. The comprehensive evaluation of carrying capacity of resources and environment indicate that the bearing capacity of resources and environment exits regional differences in 8 counties of Qingyang city .
[中图分类号]
Q149
[基金项目]
甘肃省财政厅高校基本科研业务费项目(037-041014)资助