我国农牧交错带资源环境现状与可持续发展对策

阐述了我国东部农区与西部牧区之间生态过渡带———农牧交错带独特资源与环境特征 ,指出该区应打破系统的封闭性 ,引进负熵促进系统从无序向有序、从低级向高级演化 ,调整农业产业结构 ,使农牧业系统良性耦合 ,实现资源优化配置 ,积极扩大对内对外开放 ,获取外源能量流、物质流、价值流和信息流 ,开拓新的经济增长点和就业渠道

Characters of natural resources and environment of ecotone and its countermeasures of sustainable development

Ecotone is a transition belt between cultivation area and grazing area with spec ial characters of resources and environment. The countermeasures of sustainable development in those areas are to break the closing state of the system, to intr oduce negative entropy in order to promote the system from a low stage to a high stage, to restructure the regional agriculture and economy to couple cultivatio n and husbandry so as to optimize the allocation of resources of the system, to encourage the opening to the whole country and the world in order to input energ y, mass and information, and to develop new jobs and livelihoods.