Evaluation On The Land Comprehensive Carrying Capacity Of Chongqing

Land is not only the carrier of human social and economic activities,but also the ecological environment-economic-social sustainable development of natural material basis.With the process of urbanization and industrialization,the contradiction between population,resources and environment is becoming more and more prominent.The limited nature of land and the infinite contradiction of human society to land demand are more acute,how to make use of land rationally,and coordinate construction land expansion and Cultivated land protection,and ease the relationship between man and land,that has become an urgent important problem need to solve.The research on the comprehensive carrying capacity of land is of great significance to alleviate the relationship between man and land,realize the rational and sustainable use of land and the sustainable development of regional society.Therefore,the comprehensive carrying capacity of land has always been the focus and core of bearing capacity research.Based on the literature research method,this paper identify and defines the bearing capacity and the influencing factors of the comprehensive carrying capacity of the land.Based on this,the author constructs the evaluation index system of the comprehensive carrying capacity of the land.At the same time,using comprehensive evaluation method,this paper analyzes the comprehensive carrying capacity of land in Chongqing.The main contents of the study include: analysis of the comprehensive carrying capacity of land in Chongqing from 2006 to 2015,analysis of the obstacle factors of comprehensive carrying capacity of land in Chongqing,and the evaluation of comprehensive carrying capacity of land in 2020 based on the overall land use planning of Chongqing Municipality.The results show that:(1)the comprehensive carrying capacity of land is affected by the internal factors and the external factors;(2)The comprehensive carrying capacity of land in Chongqing from the beginning of land use planning in 2006 to the end of planning in 2020 generally experienced from the "weak level of uneven development stage" to "a higher level of balanced development stage" to "high-level system Balanced development stage " of the development process,the carrying capacity of land has a significant increase;(3)There is a significant difference in the degree of obstruction of evaluation indexs.Among them,infrastructure construction,economic development,arable land protection and land output,environmental management input and air quality,population development is the main factor hindering the comprehensive carrying capacity of land in Chongqing.Finally,according to the main obstacle factors,the paper puts forward the corresponding suggestions and measures to enhance the comprehensive carrying capacity of land in Chongqing.