Journal of Guangxi Normal University(Natural Science Edition) ›› 2017, Vol. 35 ›› Issue (4): 145-153.doi: 10.16088/j.issn.1001-6600.2017.04.020

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Suitability Assessment of Karst Rocky Desertification Control Patternsin Karst Counties of Guangxi, China

YAN Yan1,2, HU Baoqing1,2*, HOU Manfu3, SHI Shana1,2   

  1. 1.Key Laboratory of Environment Change and Resources Use in Beibu Gulf Guangxi Teachers Education University,Ministry of Education,Nanning Guangxi 530001, China;
    2. Guangxi Key Laboratory of Earth Surface Processesand Intelligent Simulation, Nanning Guangxi 530001, China;
    3. College of Environment and Resources,Guangxi Normal University, Guilin Guangxi 541006, China
  • Online:2017-07-25 Published:2018-07-25

Abstract: According to The Planning Framework of Comprehensive Controls for Karst Rocky Desertificatio Regions published by the State Council, there are 75 counties of rocky desertification in Guangxi. In this study, the specified counties in Guangxi were taken as the research subjects. Firstly, five successful control patterns under different geographic background were collected and summarized. The characteristics, similarities and differences among the five patterns were analyzed roundly. Then, the control patterns were regionalized by a bottom up method. The index system of suitability assessment with 15 indices for county scale was established and the fuzzy comprehensive assessment was conducted. And the counties were clustered into four regions. Finally, the assessment results of the two methods were compared and adjusted. The Karst counties of Guangxi were regionalized and the suitable control patterns for Karst counties were determined. The results were expected to provide references for the comprehensive controls of Karst rocky desertification.

Key words: suitability assessment, fuzzy clustering, control patterns of Karst rocky desertification, optimal regionalization, Karst area of Guangxi, China

CLC Number: 

  • P964
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