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JOURNAL OF DESERT RESEARCH  2006, Vol. 26 Issue (2): 208-214    DOI:
研究论文     
Spatial-temporal Dynamics of Desertification in Typical Region of Oasis to Desert in Northern Piedmont of Tianshan Mountains
ZHANG Xue-yan1,2, WU Shi-xin1
1.Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; 2.Graduate Institute, Chinese Academy of Sciences, Beijing 100039, China
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Abstract  Using the technology of RS and GIS, we have obtained the data of spatial-temporal distribution and dynamic changes of land desertification in Sangonghe region of the northern piedmont of Tianshan Mountains in 1968, 1978, 1988 and 2002, based on which we have statistically analyzed the spatial desertification processes. The results show that the soil secondary salinization is a main process of the land desertification in this region during the past 34 years, which followed the sandy desertification and water erosion. The area of desertification land increased gradually before 1988, since then on, decreased tremendously. Spatially, the salinization mainly occurred inside the oasis, sandy desertification happened around the oasis, water erosion took place mainly in the mountainous area. The dynamic changes of land desertification related closely to the landuse/landcover changes and the managements of ecosystem.
Key words:  land desertification      dynamic change      Sangonghe region      remote sensing     
Received:  13 August 2005      Published:  20 March 2006
ZTFLH:  F301.24  
Articles by authors
ZHANG Xue-yan
WU Shi-xin

Cite this article: 

ZHANG Xue-yan;WU Shi-xin. Spatial-temporal Dynamics of Desertification in Typical Region of Oasis to Desert in Northern Piedmont of Tianshan Mountains. JOURNAL OF DESERT RESEARCH, 2006, 26(2): 208-214.

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http://www.desert.ac.cn/EN/     OR     http://www.desert.ac.cn/EN/Y2006/V26/I2/208

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