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Quantifying the vertical distribution pattern of land-use conversion in the loess hilly region of northern Shaanxi Province 1995-2015
Cao Zhi1,2; Li Yurui1,2; Liu Zhengjia1,2; Yang Lingfan3
2019-05-01
Source PublicationJOURNAL OF GEOGRAPHICAL SCIENCES
ISSN1009-637X
Volume29Issue:5Pages:730-748
Corresponding AuthorLi Yurui(liyr@igsnrr.ac.cn)
AbstractThe mountainous and hilly region plays an important role in ecological safety and production in China. However, recent studies have poorly characterized the parallel structure of land use in the valleys of the mountainous and hilly region using topographic factors (e.g. elevation, slope, aspect). Here, the loess hilly region of northern Shaanxi Province is used as a representative case area to analyze the vertical distribution pattern of land-use conversion using the relative elevation concept and the HAND index. The differences in the vertical structure of land-use conversion between absolute elevation and relative elevation were compared. We found that the classifications of absolute and relative elevation had similar proportions of each relative elevation grade in each absolute elevation grade. Cropland, woodland, and grassland were distributed evenly in each grade of absolute/relative elevation, while water body, built-up land and unused land were more likely to spread in low grades of relative elevation than those of absolute elevation. The land-use conversion (i.e. loss of cropland and gain in woodland and built-up land) showed an apparently stepped distribution with relative elevation classification, suitable for revealing vertical distributions of land-use conversion in the loess hilly region. Cropland transformed to woodland was mainly distributed in high grade of relative elevation, decreasing with a decrease in grades, while built-up land transformed from cropland and grassland was mainly distributed in low grade of relative elevation, decreasing with increases in grades. The grade of relative elevation where cropland transformed to woodland descended with the implementation of the Grain for Green Project. Our results suggest that it is better to analyze the vertical distribution of land-use conversion with relative elevation classification in hilly regions.
Keywordland use change vertical distribution pattern topographic factors HAND (Height above the Nearest Drainage) loess hilly region northern Shaanxi Province
DOI10.1007/s11442-019-1624-z
WOS KeywordVEGETATION COVER ; CHINA ; PLATEAU ; TRENDS ; AREAS ; GIS
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2017YFC0504701] ; National Natural Science Foundation of China[41801175] ; Postdoctoral Science Foundation of China[2018M631558]
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China ; Postdoctoral Science Foundation of China
WOS Research AreaPhysical Geography
WOS SubjectGeography, Physical
WOS IDWOS:000466737100006
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/68609
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLi Yurui
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Ctr Assessment & Res Targeted Poverty Alleviat, Beijing 100101, Peoples R China
3.Beijing Normal Univ, Fac Geog Sci, Beijing 100875, Peoples R China
Recommended Citation
GB/T 7714
Cao Zhi,Li Yurui,Liu Zhengjia,et al. Quantifying the vertical distribution pattern of land-use conversion in the loess hilly region of northern Shaanxi Province 1995-2015[J]. JOURNAL OF GEOGRAPHICAL SCIENCES,2019,29(5):730-748.
APA Cao Zhi,Li Yurui,Liu Zhengjia,&Yang Lingfan.(2019).Quantifying the vertical distribution pattern of land-use conversion in the loess hilly region of northern Shaanxi Province 1995-2015.JOURNAL OF GEOGRAPHICAL SCIENCES,29(5),730-748.
MLA Cao Zhi,et al."Quantifying the vertical distribution pattern of land-use conversion in the loess hilly region of northern Shaanxi Province 1995-2015".JOURNAL OF GEOGRAPHICAL SCIENCES 29.5(2019):730-748.
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