SPATIAL DIFFERENTIATION OF COMPREHENSIVE LAND CARRYING CAPACITY IN YUNNAN PROVINCE

Land carrying capacity of a country or a region becomes an important index for evaluating the development of population,sustainable development of resources and environment.Combined the realistic development of Yunnan Province,this article structured the appraisal system of the land's comprehensive carrying capacity from the fields of land and water resource,environment,social development and economical technology,synthetically evaluated the land's comprehensive carrying capacity of Yunnan Province in 2008 by using standard deviation decision method and integrated capacity index method.And the result showed that the whole Yunnan Province can be divided into four types.On the whole,it decreased from northwest,southeast and northeast to central part of Yunnan Province.The level of land's comprehensive carrying capacity in Yunnan Province was comparatively large,and moreover presented a certain regional similarity.The paper analyzed the situation of spatial variations,and then found the driving force and the relevant policy connotation,thus to provide the reference of improving the regional land's comprehensive carrying capacity and striving for sustainable development.