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Dynamics of Saline-alkali Land and Its Ecological Regionalization in Western Songnen Plain, China

YANG Jiuchun,  ZHANG Shuwen,  LI Ying,  BU Kun,  ZHANG Yubo,  CHANG Liping,  ZHANG Yangzhen

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文章导航 > Chinese Geographical Science  > 2010 >  20(2): 159-166
YANG Jiuchun, ZHANG Shuwen, LI Ying, BU Kun, ZHANG Yubo, CHANG Liping, ZHANG Yangzhen. Dynamics of Saline-alkali Land and Its Ecological Regionalization in Western Songnen Plain, China[J]. 中国地理科学, 2010, 20(2): 159-166. doi: 10.1007/s11769-010-0159-0
引用本文: YANG Jiuchun, ZHANG Shuwen, LI Ying, BU Kun, ZHANG Yubo, CHANG Liping, ZHANG Yangzhen. Dynamics of Saline-alkali Land and Its Ecological Regionalization in Western Songnen Plain, China[J]. 中国地理科学, 2010, 20(2): 159-166. doi: 10.1007/s11769-010-0159-0
shu
YANG Jiuchun, ZHANG Shuwen, LI Ying, BU Kun, ZHANG Yubo, CHANG Liping, ZHANG Yangzhen. Dynamics of Saline-alkali Land and Its Ecological Regionalization in Western Songnen Plain, China[J]. Chinese Geographical Science, 2010, 20(2): 159-166. doi: 10.1007/s11769-010-0159-0
Citation: YANG Jiuchun, ZHANG Shuwen, LI Ying, BU Kun, ZHANG Yubo, CHANG Liping, ZHANG Yangzhen. Dynamics of Saline-alkali Land and Its Ecological Regionalization in Western Songnen Plain, China[J]. Chinese Geographical Science, 2010, 20(2): 159-166. doi: 10.1007/s11769-010-0159-0
shu

Dynamics of Saline-alkali Land and Its Ecological Regionalization in Western Songnen Plain, China

doi: 10.1007/s11769-010-0159-0
  • 1.

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

  • 2.

    Graduate University of the Chinese Academy of Sciences, Beijing 100049, China;

  • 3.

    Software College, Jilin University, Changchun 130012, China

基金项目: Under the auspices of National Natural Science Foundation of China (No. 40771162);Key Item of Knowledge Innova-tion Programs of Chinese Academy of Sciences (No.KZCX2-SW-320-1)
详细信息
    通讯作者:

    ZHANG Shuwen.E-mail:zhangshuwen@neigae.ac.cn

Dynamics of Saline-alkali Land and Its Ecological Regionalization in Western Songnen Plain, China

  • 1.

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

  • 2.

    Graduate University of the Chinese Academy of Sciences, Beijing 100049, China;

  • 3.

    Software College, Jilin University, Changchun 130012, China

Funds: Under the auspices of National Natural Science Foundation of China (No. 40771162);Key Item of Knowledge Innova-tion Programs of Chinese Academy of Sciences (No.KZCX2-SW-320-1)

  • 摘要: As the important reserve land resources for food production,saline-alkali land should play a significant role to ensure the national food security in the context of global food crisis. The western Songnen Plain is one of main distribution regions of saline-alkali land in China,with great potential in agricultural development. In this study,the extent,transformation,spatial distribution and temporal change of saline-alkali land in the western Songnen Plain during 1954-2005 were investigated by using remote sensing and GIS spatial analysis methods. Saline-alkali land change was detected from a temporal series of topographic maps in 1954,satellite images of Landsat MSS in 1976,Landsat TM/ETM in 1988,2000 and 2005 through artificial visual interpretation. The results indicated a significant expansion in saline-alkali land area and aggravation in salinization. The area of saline-alkali land had increased from 401.48×103 ha in 1954 to 1 097.45×103 ha in 2005. While the ratio of light,moderate and serious salinized land areas changed from 6.72:2.92:1.00 to 1.25:1.06:1.00 in the study period. Grassland,cropland,swampland and water body were the major land use and land cover types from which saline-alkali land transformed. And the secondary salinization occured mainly in Da'an City,Tongyu County,Changling County,Daqing City,Dorbod Mongolian Autonomous County and Zhaoyuan County. Finally,seven large ecoregions and 14 corresponding sub-ecoregions were delineated out based on spatio-temopral dynamic characteristics of saline-alkali land and geo-relational environmental attributes. According to the results,measures of amelioration and ways of development of saline-alkali land in the western Songnen Plain were put forward.
    Abstract: As the important reserve land resources for food production,saline-alkali land should play a significant role to ensure the national food security in the context of global food crisis. The western Songnen Plain is one of main distribution regions of saline-alkali land in China,with great potential in agricultural development. In this study,the extent,transformation,spatial distribution and temporal change of saline-alkali land in the western Songnen Plain during 1954-2005 were investigated by using remote sensing and GIS spatial analysis methods. Saline-alkali land change was detected from a temporal series of topographic maps in 1954,satellite images of Landsat MSS in 1976,Landsat TM/ETM in 1988,2000 and 2005 through artificial visual interpretation. The results indicated a significant expansion in saline-alkali land area and aggravation in salinization. The area of saline-alkali land had increased from 401.48×103 ha in 1954 to 1 097.45×103 ha in 2005. While the ratio of light,moderate and serious salinized land areas changed from 6.72:2.92:1.00 to 1.25:1.06:1.00 in the study period. Grassland,cropland,swampland and water body were the major land use and land cover types from which saline-alkali land transformed. And the secondary salinization occured mainly in Da'an City,Tongyu County,Changling County,Daqing City,Dorbod Mongolian Autonomous County and Zhaoyuan County. Finally,seven large ecoregions and 14 corresponding sub-ecoregions were delineated out based on spatio-temopral dynamic characteristics of saline-alkali land and geo-relational environmental attributes. According to the results,measures of amelioration and ways of development of saline-alkali land in the western Songnen Plain were put forward.
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出版历程
  • 收稿日期:  2009-08-10
  • 修回日期:  2009-12-07
  • 刊出日期:  2010-01-22

Dynamics of Saline-alkali Land and Its Ecological Regionalization in Western Songnen Plain, China

doi: 10.1007/s11769-010-0159-0
  • 1. Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130012, China;
  • 2. Graduate University of the Chinese Academy of Sciences, Beijing 100049, China;
  • 3. Software College, Jilin University, Changchun 130012, China
    • 基金项目:  Under the auspices of National Natural Science Foundation of China (No. 40771162);Key Item of Knowledge Innova-tion Programs of Chinese Academy of Sciences (No.KZCX2-SW-320-1)
    通讯作者: ZHANG Shuwen.E-mail:zhangshuwen@neigae.ac.cn
  • 收稿日期: 2009-08-10
  • 修回日期: 2009-12-07
  • 刊出日期: 2010-01-22

摘要: As the important reserve land resources for food production,saline-alkali land should play a significant role to ensure the national food security in the context of global food crisis. The western Songnen Plain is one of main distribution regions of saline-alkali land in China,with great potential in agricultural development. In this study,the extent,transformation,spatial distribution and temporal change of saline-alkali land in the western Songnen Plain during 1954-2005 were investigated by using remote sensing and GIS spatial analysis methods. Saline-alkali land change was detected from a temporal series of topographic maps in 1954,satellite images of Landsat MSS in 1976,Landsat TM/ETM in 1988,2000 and 2005 through artificial visual interpretation. The results indicated a significant expansion in saline-alkali land area and aggravation in salinization. The area of saline-alkali land had increased from 401.48×103 ha in 1954 to 1 097.45×103 ha in 2005. While the ratio of light,moderate and serious salinized land areas changed from 6.72:2.92:1.00 to 1.25:1.06:1.00 in the study period. Grassland,cropland,swampland and water body were the major land use and land cover types from which saline-alkali land transformed. And the secondary salinization occured mainly in Da'an City,Tongyu County,Changling County,Daqing City,Dorbod Mongolian Autonomous County and Zhaoyuan County. Finally,seven large ecoregions and 14 corresponding sub-ecoregions were delineated out based on spatio-temopral dynamic characteristics of saline-alkali land and geo-relational environmental attributes. According to the results,measures of amelioration and ways of development of saline-alkali land in the western Songnen Plain were put forward.

English Abstract

YANG Jiuchun, ZHANG Shuwen, LI Ying, BU Kun, ZHANG Yubo, CHANG Liping, ZHANG Yangzhen. Dynamics of Saline-alkali Land and Its Ecological Regionalization in Western Songnen Plain, China[J]. 中国地理科学, 2010, 20(2): 159-166. doi: 10.1007/s11769-010-0159-0
引用本文: YANG Jiuchun, ZHANG Shuwen, LI Ying, BU Kun, ZHANG Yubo, CHANG Liping, ZHANG Yangzhen. Dynamics of Saline-alkali Land and Its Ecological Regionalization in Western Songnen Plain, China[J]. 中国地理科学, 2010, 20(2): 159-166. doi: 10.1007/s11769-010-0159-0
shu
YANG Jiuchun, ZHANG Shuwen, LI Ying, BU Kun, ZHANG Yubo, CHANG Liping, ZHANG Yangzhen. Dynamics of Saline-alkali Land and Its Ecological Regionalization in Western Songnen Plain, China[J]. Chinese Geographical Science, 2010, 20(2): 159-166. doi: 10.1007/s11769-010-0159-0
Citation: YANG Jiuchun, ZHANG Shuwen, LI Ying, BU Kun, ZHANG Yubo, CHANG Liping, ZHANG Yangzhen. Dynamics of Saline-alkali Land and Its Ecological Regionalization in Western Songnen Plain, China[J]. Chinese Geographical Science, 2010, 20(2): 159-166. doi: 10.1007/s11769-010-0159-0
shu

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