National Policy's Influence on Baoxing County's Landscape Patterns and Giant Panda Population

As one of the most important hometowns of Giant Panda, Baoxing county’s landscape, which is mainly influenced by National Policy Change the, national policy change, plays an important role in Giant Panda‘s protection. Thus, it is crucial to understand how and what the national policy change on landscape patterns change in Baoxing county. In this paper, Landsat MSS data in 1975, Landsat TM data in 1994 and Landsat ETM data in 2002, with the dates corresponding to the same time as the time of national policy changes, are classified to make the landscape patterns, change. The results indicate that, from 1975 to 1994, due to the crawling in this area, the forests have decreased about 5.92% with fragments created, grassland has decreased about 2.64%, farmland has increased about 1.5% and settlement place has increased about 7.15%. Accordingly, the Giant Panda’s population shows all fall from 328 to 75. But from 1994 to 2002, owing to the policies to protect the Giant Panda and its habitat, the forests has increased about 0.12%, grassland has increased about 0.55%, farmland has decreased about 0.58% and the fragment of forests in 2002 is lower than in 1994. Accordingly, the Giant Panda’s population show as increase from 75 to 143. This indicates that the national performed actioned during 1990s has much positive influence on the landscape patterns and the Giant Panda population in Baoxing county.