Quantitative analysis to the urban ecological landscape size

Restricted by urban system,urban landscape scale plays an important role in the ecological function of urban landscape.Combining with the landscape ecology theory,this article summarized the general principle and planning rules of the urban landscape element scale,quantificationally studied on the suitable scale of the landscape plaque and landscape corridors,which aimed at the different design target of exhibition education,urban habitat and so on,respecting could provide scientific basis for improving the urban landscape planning's ecological sustainability under the realistic conditions.