The Coupling Network Ｍodeling of Forest Landscape Plaques Based on Patch Edge Effects

Defined the parameters of forest landscape according to the characteristic of forest landscape pattern combined with complex networks theory. By using landscape blocks as nodes, the affect between plaques as lines, a coupling network modeling of forest landscape plaques is established. Taking the west Tongting Lake in Hunan province as the study area, divided the landscape pattern into 13 types, established a plaques coupling network by using the patch edge effects between two different type of blocks as power of lines. It shows that the degree of node, the indexes of landscape classification has positive relationship with the power of node, the degree of node has positive relationship with the importance of node, the area of landscape has complicated competition with the landscape fragmentation when contributes to the concentration degree.