The Jianshan River Way Lakes Water Conservancy System Changes In The Relationship Of Xianghu Lake And Waste And Study (1112-1927),

This article makes a study of Xianghu lake and the change of socialenvironment around, based on existing research results and Newinstitutional economics, then explaine the disappear of Xianghu lakeand historical laws to human. In the view of this theme, the article isdivided into three parts.The first part introduces the general situation of Xianghu lake,including the geographical environment, the course of theestablishment and water system consummation process, and theevolution from the very beginning to the early days of Republic China.The result is both human and nature lead the reduction of Xianghu lake.The second part on view of natural geography, discusses theperiphery water system change acts on Xianghu lake. It includes thehistorical interpretation of lower reaches of puyang jiang and the affecton xianghu lake. The direction of flowing water experience north, eastand west, east then west. What’s more, the article includes the form ofXiaoshao water and its affection. The main cause of falling Xianghu lakeis natural geography. Of course human makes great affect on it.The third part reminds and observes the history of Xianghu lake andthe society. Using the New institutional economics to explain theproperty right and regulation of Xianghu lake. The disappear of Xianghulake decided by the regulation of Xianghu lake. The industry of Xianghulake should be obey the Xiaoshao Water, and send the government tomake the corresponding decision driven the economics of governmentmanagement cost is internal boundary.