Recent 10-year land use change and evaluation of their performance, in Chongqing, China

This article analyzes the past 10 years of land use change in Chongqing City, And build on this basis the region's land use evaluation system. Use the optimal combination weighting method for quantitative evaluation land use. The results show that: (1) Between 1999-2008 Chongqing sharp decline in arable land,, significant increase of construction land. (2) Index of flexibility of land resources configure decreasing. Land utilize degree had been decreasing during recent decades,due to the decline of land utilize degree and per arable area for abandon and fallow of land and population going-up. Efficiency and benefit of land use were obviously enhanced,But the overall level of land use efficiency and benefit is still in low degree and the output ratio of land even has a big gap to improve. (3) Land use performance value was still relativity low but its trend was maintain stably increasing, which is consistent with the change of social economical development and natural condition. Show that Chongqing city is moving in a reasonable land use, conservation and intensive use of direction development.