Research on Colorful Leaf Forest Landscape in Mt.Guangwu of Sichuan

In this paper,the studied region is located in the northeast of Sichuan Mt.Qinba,by the data from practical investigations and Forest Management Inventory(FMI),colorful leaf forest landscape in Mt.Guangwu can be divided into 13 types and quantitative analysis is made by using ArcGIS technology and the landscape analysis program FRAGSTATS.The results have shown that the whole colorful leaf forest landscape has basic stability,abundance degree and aggregation.In all types of colorful leaf forest landscape,the Betulaceae has the largest area,and the degree of its fragmentation is the lowest,followed by the Fagus and the Oakery.And yet many small areas of walnut,magnolia officinalis and so on display the highest degree of fragmentation.The difference in indexes of other types is not significant,and the degree of fragmentation of these types is in the medium range.These results could provide a significant basis for exploitation,utilization and management of colorful leaf landscape forest resources in Mt.Guangwu.