Spatial Differentiation of Comprehensive Land Carrying Capacity in Jiangsu Province

As an important area of resource carrying capacity researches,land carrying capacity is an important reference basis to evaluate sustainable development ability of a special region.Selecting Jiangsu Province as a study case where has fast socio-economic development speed and prominent man—land contradiction,the paper established the evaluation indicator system of comprehensive land carrying capacity from the four supporting systems including water and land resources,economy and technology,society,and eco-environment.Then,comprehensive land carrying capacity is evaluated by applying the weighted multi-factors synthetic appraisement method at county level.According to the evaluated results,land carrying capacity of Jiangsu Province is divided into three types,i.e.,high,moderate,and low carrying capacities.On the whole,it decreased from south east,midwest to north and seaboard of Jiangsu Province.