Based on four stages of Ariel image since 1959,and supported by ARC/INFO,the similarity index to circle (SIQ) and fractal dimension (D f) of all types of landscape patches in Guandishan forest region were analyzed in this paper.

• 以 195 9年以来 4期航片为基础资料 ,在ARC/INFO支持下 ,分析了关帝山天然次生林区森林恢复过程中各类景观要素斑块异圆指数和类斑边界分维数及其动态。