Analysis on the landscape pattern is one of important parts in structure and function research of ecosystem. Carbon storage is the foundation in research of carbon cycle and carbon balance in ecosystem. Based on the inventory data including maps and words of Huoditang forest region in the Qinling Mountains in 1958 and 1988 and some representative pattern indices, changes in landscape pattern, and human disturbance effects on the pattern at Huoditang forest region were analyzed by using GIS (Citystar 4.0). A...