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Discussing the genesis of karst rocky desertification research based on the correlations between cropland and settlements in typical peak-cluster depressions
Li, Yang Bing1; Li, Qiong Yao2; Luo, Guang Jie3; Bai, Xiao Yong3; Wang, Yong Yan4; Wang, Shi Jie3; Xie, Jing1; Yang, Guang Bin1
Corresponding AuthorLi, Yang Bing
2016
Source PublicationSOLID EARTH
ISSN1869-9510
Volume7Issue:3Pages:741-750
SubtypeArticle
AbstractThis paper attempts to explain the theoretical reasons why local farmers have executed land mismanagement measures such as steep slope land cultivation, in order to reveal the mechanisms of karst rocky desertification (KRD, including light KRD, moderate KRD and severe KRD) through typical case studies. Firstly, this paper assumes that the low land capacity is the initial cause of KRD in peak-cluster depression areas. Furthermore, the ecological quality of the peak-cluster depression zone (a combination of clustered karst cones with a common base and depressions between cones) is influenced by the relationship between the area of depressions and the population of residential areas. Therefore, six typical peak-cluster depression areas of Guizhou province were selected to compare the distribution circumstances of cropland, the characteristics of settlements and the formation of KRD with the help of ALOS images in 2010 (with a resolution of 10 m x 10 m). The results show that there is a negative correlation between the percentage of the cultivated land and the percentage of KRD at peak-cluster depressions. The relationship could be concluded by three situations of the process of KRD, which are low, middle and upper carrying capacities of land. Severe KRD is only distributed in peak-cluster depression areas with less flatland, low land capacity and a high population. The harmonization between population pressure and bearing capacity of land will influence the ecological qualities in the peak-cluster depressions. The KRD phenomenon which occurred in six typical peak-cluster depression areas confirms that the hypothesis suggested by this paper is correct, and this result will contribute to understanding the natural mechanisms of KRD and guide the ecological restoration of KRD land.
KeywordEstimating Ecological Indicators Human Driving Forces Guizhou Province Southwestern China Land Evolution Changshun Impact Region County
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.5194/se-7-741-2016
WOS Subject ExtendedGeochemistry & Geophysics
Indexed BySCI
WOS KeywordESTIMATING ECOLOGICAL INDICATORS ; HUMAN DRIVING FORCES ; GUIZHOU PROVINCE ; SOUTHWESTERN CHINA ; LAND ; EVOLUTION ; CHANGSHUN ; IMPACT ; REGION ; COUNTY
Language英语
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000379431700002
Funding OrganizationNational Natural Science Foundation of China(41261045) ; National Key Technology R D Program(2014BAB03B02)
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/17547
Collection山地表生过程与生态调控重点实验室
Affiliation1.Guizhou Normal Univ, Sch Geog & Environm Sci, Guiyang 550001, Peoples R China
2.Chongqing Normal Univ, Coll Geog & Tourism, Chongqing 400047, Peoples R China
3.Chinese Acad Sci, Geochem Inst, Natl Key Lab Environm Geochem, Guiyang 550002, Peoples R China
4.Chinese Acad Sci, Inst Mt Hazards & Environm, Lab Mt Surface Proc & Ecol Regulat, Chengdu 610041, Sichuan, Peoples R China
Recommended Citation
GB/T 7714
Li, Yang Bing,Li, Qiong Yao,Luo, Guang Jie,et al. Discussing the genesis of karst rocky desertification research based on the correlations between cropland and settlements in typical peak-cluster depressions[J]. SOLID EARTH,2016,7(3):741-750.
APA Li, Yang Bing.,Li, Qiong Yao.,Luo, Guang Jie.,Bai, Xiao Yong.,Wang, Yong Yan.,...&Yang, Guang Bin.(2016).Discussing the genesis of karst rocky desertification research based on the correlations between cropland and settlements in typical peak-cluster depressions.SOLID EARTH,7(3),741-750.
MLA Li, Yang Bing,et al."Discussing the genesis of karst rocky desertification research based on the correlations between cropland and settlements in typical peak-cluster depressions".SOLID EARTH 7.3(2016):741-750.
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