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[1]ZHAO Yin-bing,CHEN Ling-kang,NAN Xi,et al.Study on Landscape Evolution in Qushui-Sangri Area of Tibet from 1988 to 2009[J].Research of Soil and Water Conservation,2012,19(03):180-184.

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Study on Landscape Evolution in Qushui-Sangri Area of Tibet from 1988 to 2009

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 19 Number of periods: 2012 03 Page number: 180-184 Column: Public date: 2012-06-20

Title:: Study on Landscape Evolution in Qushui-Sangri Area of Tibet from 1988 to 2009

Author(s):: ZHAO Yin-bing^1,2, CHEN Ling-kang^1,2, NAN Xi³, ZHAO Yong¹; 1. State Key Laboratory of Geohazard Prevention & Geoenvironment Protection, Chengdu 610059, China;
2. College of Tourism and Urban-Rural Planning, Chengdu University of Technology, Chengdu 610059, China;
3. Jiangxi University of Science and Technology, Ganzhou, Jiangxi 341000, China

Keywords:: landscape; transfer matrix; driving force; remote sensing; geographic information system

CLC:: F301.2

DOI:: -

Abstract:: Land use patterns reflect the environmental characteristics and socio-economic development model, and provide a reference for resource development and environmental protection. Land use and its evolution information in study area were extracted by calculating landscape pattern metrics and transition matrix based on remote sensing data in 1988, 2000 and 2009. The results showed that each type of land use was shifted, the shifted area occupied for 6% of total area. The rate of land for bush beaches, sand and grass was greatly changed. The area changes of arable land and sand land firstly increased and then decreased; construction land and mining land increased continuously, alpine lakes generally reduced. The average area of land use patch increased, and patch density decreased, which contagion change firstly increased and then decreased, but the change trend of edge density, total boundary length and intersperse and juxtaposition index firstly decreased and then increased. Fragmentation increased, edge density of forest, building land and mining land increased; the average patch area increased first and then decreased; intersperse and juxtaposition index of beach and lake decreased, but intersperse and juxtaposition index of mining land increased. The result also showed that there was a close relationship between the landscape pattern and climate change, and human economic activities. This study result is important for government departments to protect land resources.

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