Urbanization represents one of the most striking fo rms of the changes of natural eco-system to man-made eco-system,which may bri ng about a series of changes in ecological and environmental conditions and qual ities.Urbanization has a profound and far-reaching impact on the quantity and q uality of soil resources,which includes aspects such as the disappearance of soi l ecological functions by surface sealing;the worsening of soil physical propert ies;the strong influence of human activities on soil morpho...