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Article Navigation >  Chinese Geographical Science  > 2007  >  17(4): 333-340

REN Chunying, ZHANG Bai, WANG Zongming, SONG Kaishan, LIU Dianwei, LIU Zhiming. A GIS-based Tupu Analysis of Dynamics of Saline-alkali Land in Western Jilin Province[J]. Chinese Geographical Science, 2007, 17(4): 333-340. doi: 10.1007/s11769-007-0333-1
Citation: REN Chunying, ZHANG Bai, WANG Zongming, SONG Kaishan, LIU Dianwei, LIU Zhiming. A GIS-based Tupu Analysis of Dynamics of Saline-alkali Land in Western Jilin Province[J]. Chinese Geographical Science, 2007, 17(4): 333-340. doi: 10.1007/s11769-007-0333-1
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A GIS-based Tupu Analysis of Dynamics of Saline-alkali Land in Western Jilin Province

doi: 10.1007/s11769-007-0333-1
  • 1.

    Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130012, China;

  • 2.

    College of Urban and Environmental Sciences, Northeast Normal University, Changchun 130024, China;

  • 3.

    Graduate University of Chinese Academy of Sciences, Beijing 10049, China

  • Received Date: 2006-12-10
  • Rev Recd Date: 2007-05-18
  • Publish Date: 2007-12-20
  • Based on Tupu theory, this paper studied the dynamic changes, conversion modes, expansion intensity and landscape attributes of the saline-alkali lands in Changling County, Zhenlai County and Da'an City of the western Jilin Province in 1980–2000 with the help of GIS. The results show that the saline-alkali land rather sharply increased in Da'an during 1995–2000; the main conversion processes in the three counties were from grassland to saline-alkali land and from saline-alkali land to grassland; and the typical shapes, spatial expansion speed and mode, and landscape attributes of the saline-alkali land were different in the three counties, which were closely related to local topography, predominant wind orientation, water resources distribution, etc. The corresponding spatial expansion mode was marginality in Changling, random in Zhenlai and more kernels in Da'an, respectively. Landscape attributes also responded to the spatial-temporal dynamic changes of the saline-alkali land and the landscape indices of Da'an fluctuated greatly. The frame of this research may provide fundamental reference for landscape analysis and give some suggestions for regional sustainable development.
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A GIS-based Tupu Analysis of Dynamics of Saline-alkali Land in Western Jilin Province

doi: 10.1007/s11769-007-0333-1
  • 1. Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130012, China;
  • 2. College of Urban and Environmental Sciences, Northeast Normal University, Changchun 130024, China;
  • 3. Graduate University of Chinese Academy of Sciences, Beijing 10049, China
  • Received Date: 2006-12-10
  • Rev Recd Date: 2007-05-18
  • Publish Date: 2007-12-20

Abstract: Based on Tupu theory, this paper studied the dynamic changes, conversion modes, expansion intensity and landscape attributes of the saline-alkali lands in Changling County, Zhenlai County and Da'an City of the western Jilin Province in 1980–2000 with the help of GIS. The results show that the saline-alkali land rather sharply increased in Da'an during 1995–2000; the main conversion processes in the three counties were from grassland to saline-alkali land and from saline-alkali land to grassland; and the typical shapes, spatial expansion speed and mode, and landscape attributes of the saline-alkali land were different in the three counties, which were closely related to local topography, predominant wind orientation, water resources distribution, etc. The corresponding spatial expansion mode was marginality in Changling, random in Zhenlai and more kernels in Da'an, respectively. Landscape attributes also responded to the spatial-temporal dynamic changes of the saline-alkali land and the landscape indices of Da'an fluctuated greatly. The frame of this research may provide fundamental reference for landscape analysis and give some suggestions for regional sustainable development.

REN Chunying, ZHANG Bai, WANG Zongming, SONG Kaishan, LIU Dianwei, LIU Zhiming. A GIS-based Tupu Analysis of Dynamics of Saline-alkali Land in Western Jilin Province[J]. Chinese Geographical Science, 2007, 17(4): 333-340. doi: 10.1007/s11769-007-0333-1
Citation: REN Chunying, ZHANG Bai, WANG Zongming, SONG Kaishan, LIU Dianwei, LIU Zhiming. A GIS-based Tupu Analysis of Dynamics of Saline-alkali Land in Western Jilin Province[J]. Chinese Geographical Science, 2007, 17(4): 333-340. doi: 10.1007/s11769-007-0333-1
shu

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