摘要
Abstract
Ecosystem of Yan' an City is faced with serious problems such as increasing pressure of protecting ecological elements, and contra.l dictions in utilization of ecological spaces. To enhance supervision over regional ecological resources, guide ihe orderly expansion of urban spaces, construct a stable eco-securfty pattern for sustainable development of the city, and create an urban environment favorable for living and working, this study follows the principles of " ecology on the priority, landscape continuity, diversity, optimization of layout, and sustainabili-ty". By analyzing distribution features of ecological resources in Yan * an City, considering rules of its urban space expansion, and studying the "ring-wedge-network" spatial pattern of its ecological green spaces, this Bludy is to build an ecological network with complete spatial system, definite ecological zoning and characteristic landscapes in which ecological elements are protected comprehensively, ecological conservation, restoration and construction promoted simultaneously.关键词
延安/生态绿地/空间体系/构建Key words
Yan'an City/ Ecological green space/ Spatial system/ Construction
分类
农业科技
