Abstract
Land use is the result of the interaction between the Nature and the Man; the change of land use not only affects landscape pattern changes, but also affects ESV. The paper is based on RS and GIS technology, taking Changshou district of Chongqing as an example. We select and calculate the Shannon-Wiener diversity index (SHDI), landscape fragmentation index (LTFI) and landscape dynamic index (K), to analyze the landscape pattern changes, and the theories of ESV is used in this paper. The results indicate: In 2002 and 2009, the total of patches increases. The area and the patches of forest land, brush, town and construction increase, while the area and the patches of the paddy, dry land, and the unused land reduce. SHDI and LTFI increase slightly. ESV ascends from 191million yuan to 197million yuan from 2002 to 2009, the net ascending value is 61million. The results show the ecological environment has improved a little in Changshou.
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