关键词: 城市土壤, 城市土壤, 城市绿地, 异质性

Abstract:

Urbanization progress changed the structures, progress and function of river system and even destroyed river system to degrade. This paper reviews the different affect and results on river system during the urbanization progress to give theory help of restoration and management of river system.. From these papers the review suggest that urbanization affect the river based three aspects: the first is river area; the second is the riverbed structure and the third is the spatial structure on the landscape level. To the river progress, the urbanization changed the hydrological and material recycle progress. The difficult of river restoration is the complexity of river system. The multiple targets based different region and ecological function are the management and restoration dirction.