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JOURNAL OF DESERT RESEARCH  2013, Vol. 33 Issue (3): 928-936    DOI: 10.7522/j.issn.1000-694X.2013.00130
Ecology and Economics     
The Change of Land-use Pattern during 1987-2010 in Minqin, Gansu, China
TANG Jia-qi, SHI Pei-ji
College of Geographic and Environmental Science, Northwest Normal University, Lanzhou 730070, China
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Abstract  

Supported by the remote sensing data and GIS technology, using the multi-temporal TM images in 1987 and 2010 in Minqin, this paper analyzed the land-use pattern characteristics through seven selected landscape indices and spatial change of centroids of different land-use types. The results show: (1) The land-use types area changed frequently, especially for gobi, farmland, water area and woodland. (2) The landscape indices changed significantly from 1987 to 2010, with the landscape diversity index and evenness index decreasing and aggregation index increasing, it demonstrates that the whole landscape pattern was affected by specific patch types and the stability of landscape decreased. (3) From 1987 to 2010, the centroids of the main land-use types moved to the southwest, the centroid of farmland moved by 25.25 km to the southwest, while the centroid of sandy desert moved by 1.11 km to the southwest.

Key words:  dynamic degree      transferred matrix      centroid      land-use pattern     
Received:  18 April 2012      Published:  23 May 2012
ZTFLH:  F301.24  
Articles by authors
TANG Jia-qi
SHI Pei-ji

Cite this article: 

TANG Jia-qi, SHI Pei-ji. The Change of Land-use Pattern during 1987-2010 in Minqin, Gansu, China. JOURNAL OF DESERT RESEARCH, 2013, 33(3): 928-936.

URL: 

http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2013.00130     OR     http://www.desert.ac.cn/EN/Y2013/V33/I3/928

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