Journal of Guangxi Normal University(Natural Science Edition) ›› 2013, Vol. 31 ›› Issue (2): 133-139.

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Remote Sensing of Rock Desertification and Soil Erosion in Typical Karst Area and the Key Problems

LI Hui1,2,3, YIN Hui4, JIANG Zhong-cheng1, YANG Qi-yong1, WANG Yue2,3   

  1. 1.Institute of Karst Geology,Chinese Academy of Geological Sciences,Guilin Guangxi 541004,China;
    2.College of Environment and Resources,Guangxi Normal University,Guilin Guangxi 541004,China;
    3.Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection,Ministry of Education,Guangxi Normal University,Guilin Guangxi 541004,China;
    4.TourismDepartment,Huizhou University,Huizhou Guangdong 516007,China
  • Received:2013-02-28 Online:2013-06-20 Published:2018-11-26

Abstract: Based on the remote sensing classification standardslaid down by Ministry of Water Resources on rock desertification and soil erosion of karst area in Southwestern China,by using Karst Desertification Index(KDI)and Soil Erosion Index(SEI),the karst desertification degree and soil erosion intensity in Guohua Demonstration Plot,typical karst rock desertification comprehensive management plot were dynamically evaluatedin this paper.The results showed that therock desertification degree is diminishing in the mass,but the soil erosion intensity is aggravating in the mass,mainly due to the key problems of the soil erosion remote sensing standards of karst area in Southwestern China laid down by Ministry of Water Resources.Realization and revision of the key problems may havecontributed to optimize and unify the remote sensing classification standards on rockdesertification and soil erosion of karst area in Southwestern China.

Key words: rock desertification, soil erosion, remote sensing, karst area, Guohua Demonstration Plot

CLC Number: 

  • P237
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