Specific changes in land use can, and often do, occur when any social economic system moves from one form to another. When traditional societies transit from tr
According to the essential features of urban economic strips, this paper is intended to point out that Chengdu-Chongqing strip has so far been an urban area in
To help the poor and to develop tourism are two mportant problems in poverty-stricken areas. However,they were isola ted for years. The PPET strategy was put fo