The Relationship of Land Use with Karst Rocky Desertification in a Typical Karst Area, China

  • School of Geography and Biology, Guizhou Normal University, Guiyang 550001, China

Received date: 2005-11-03

  Revised date: 2005-12-21

  Online published: 2006-06-25

Supported by

National Natural Science Foundation of China, No.40361004; Education and Science Foundation of Guizhou Province, No.200407


Based on land rocky desertification and land use data (scale: 1:50000) in 2004, the distribution law of land use types with different lithologies and occurrence ratios of rocky desertification relating to different land use types in typical fengcong (peak cluster) rocky desertified area located in central-southern part of Panxian county of Guizhou province were researched quantitatively. The results indicate that there is a high ratio of difficult to use land with exposed basement rocks in homogenous limestone, limestone interbedded with clastic rock, mixed dolomite/limestone assemblages. There is relationship among different grades of rocky desertification and land use types and rock types, such as the cultivated land on slopes has a higher occurrence ratio of slight rocky desertification in homogenous limestone, and then the limestone interbedded with clastic rock. Slight rocky desertified land was dominated by shrub land, and sloping cropland accounts for 11.67%, moderate rocky desertification was dominated by moderate coverage grass slopes, intense rocky desertification was dominated by rocky dryland which is difficult to use. From 1995 to 2000, the rate of intense and highly intense rocky desertification in moderate coverage grass slopes and difficult to use land increased. Finally, the further classification of rocky desertified land by land cover was made according to the above-mentioned researches, and the forming processes and taming emphases of karst rocky desertification in the study area was also pointed out in this paper.

Cite this article

LI Yangbing, BAI Xiaoyong, ZHOU Guofu, LAN Anjun, LONG Jian, AN Yulun, MEI Zaimei . The Relationship of Land Use with Karst Rocky Desertification in a Typical Karst Area, China[J]. Acta Geographica Sinica, 2006 , 61(6) : 624 -632 . DOI: 10.11821/xb200606006


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