Analyzing Decoupling Relationship between Arable Land Occupation and GDP Growth
试论耕地占用与GDP增长的脱钩研究副标题用

As a quantitative analysis tool,decoupling method was applied widely by OECD and its member countries since the 1980's.The method uses simple and quantificational mathematics models to measure the complicated relationship between the policy and actual economic,social or environmental status quo.The practice of OECD and its member countries have proved that it is simple,convenient and available when handling with relative problems,so more and more countries and researchers invest intellectual resources and capitals into the research.After the reform and opening up,China's per capita arable land resources are scarce and arable land occupation turns to more and more serious and economic development is the main driving forces.In order to deeply analyze and understand the correlations between farmland occupation and GDP growth and promote the setup of new farmland protection management system,the theory and analysis method of "decoupling" is introduced from the fields of agricultural production and trade policy and environment policy.This paper tries to analyze the relationship between arable land occupation and GDP growth to formulate the new management system.The main ideas are:1) to analyze,compare and summarize completely the protection policies of arable land at different stages of GDP growth at home and overseas;2) to set up decoupling indicators between arable land occupation(mainly including the farmland used for construction and farmland for agricultural structure readjustment) and GDP growth(mainly including the second and third gross domestic product) based on the system of DPR(driving force-pressure-response),then to analyze their correlations and changes of time-series(if possible,the changes of space-series should also be analyzed) by applying the index systems;3) to set up an new management system of protection of arable land based on the above work;4) to select,confirm and analyze respectively some provincial,regional and prefectural-level typical areas(if some areas are compared with each other,the same administrative level is necessary;if just one area is the analysis objective,a time-series data is also required).After completing above four steps,the effects of applying decoupling indicators between arable land occupation and GDP growth and management system and polices will be validated.Typical modes of arable land occupation and GDP growth in all kinds of areas in China may be revealed,and theoretical level of research and practice on arable land's protection could be advanced.