北京市土地资源可持续利用研究

土地与人类的生存和发展息息相关,土地资源的可持续利用问题是可持续发展的重要问题,是各国政府和生态学家共同追求的目标,北京作为我国首都其土地资源的可持续利用具有更重要的意义.分析表明,北京市土地资源利用结构复杂多样,地域差异明显,开发利用的程度和效益较高等特点,土地利用中存在着许多问题:土地资源人均占有量少,耕地面积减少过多且地力呈下降趋势,可开发利用后备资源不足等.在分析北京市土地资源利用的现状和土地利用中存在的问题的基础上,进一步对改变这种状况的有效途径进行了探讨,提出了北京市土地资源可持续利用的对策和建议.

Study on Sustainable Use of Soil Resources in Beijing

Land is vitally related to human existence and development.It has being evidently proved that sustainable utilization of land resources is the core problems of sustainable development,it is the target that all governments and ecologist pursue together.Beijing,as our country's capital city,its sustainable use of soil resources has important significance.In Beijing,the soil resources utilization structure is complicate,the region difference is obvious,and the degree and performance of development is higher.Low land possession per capita with reducing farmland area,descending farmland productivity and shortage of the developable mothball resources are the existent problem in use of soil resources.The authors analyze the problems,conditions and other important influencing facts existing in the exploitation of land resources in Beijing,and point out countermeasures in order to make a sustainable use of it.