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《Journal of Anhui Agricultural Sciences》 2009-03
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Study on the Dynamic Change of Oasis Vegetation Cover by Landsat Data in Hetian District,Xinjiang Province

CHENG Miao-miao et al (International Research Center of Spatial Ecology and Ecosystem Ecology,Zhejiang Forestry University,Hangzhou,Zhejiang 311300)  
The research on oasis vegetation cover change which based on the regional scale is very important for arid environment.This paper aimed to narrate the regulations of Hetian oasis vegetation cover dynamic change by using MSS images in 1973,TM images in 1990,ETM images in 2000 and some meteorological data and combining with policies,population and other driving factors.This paper summed up that the proportion of forest,cropland and water body decreased first and increased afterwards.Influenced by the glacial melt water supplied,the water area changed frequently;influenced by the global warming,the temperature in Hetian area increased stably and the precipitation increased first and then decreased;climatic change and human activities have already influenced and will continue to influence vegetation in Hetian area.
【Fund】: 国家自然科学基金项目(40671132);; 科技部国际合作项目(200073819);; 科技基础性工作专项项目(2007FY110300-08)
【CateGory Index】: S127;S184
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