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An estimation of the extent of cropland abandonment in mountainous regions of China
Li, Shengfa1,2,3; Li, Xiubin1,2; Sun, Laixiang4; Cao, Guiying4; Fischer, Guenther4; Tramberend, Sylvia4
2018-05-01
Source PublicationLAND DEGRADATION & DEVELOPMENT
ISSN1085-3278
Volume29Issue:5Pages:1327-1342
Corresponding AuthorLi, Xiubin(lixb@igsnrr.ac.cn)
AbstractWith the wages for migrant workers increasing dramatically in China since 2003, the size of the agricultural labour forces has been shrinking rapidly. Intensively substituting agricultural machinery for the shrinking farm labour force is hardly possible for croplands in the mountainous regions of China where mechanization is difficult to achieve due to small field size and rough terrain. This has eventually led to cropland abandonment in these regions. Considering the high pressure for food security in China, cropland abandonment in the mountainous regions should not be ignored. By employing a novel method, this study estimates the extent of recently abandoned croplands (period 2000-2010) and the changes that can be expected in the future in China's mountainous areas. The results show that the total extent of abandoned croplands in Chinese mountainous counties during the period 2000 to 2010 is estimated at 147 million mu (1 mu=666.67m(2)); in total, about 28% of croplands in mountainous counties was abandoned, including croplands converted in the Grain for Green Programme. With 3 scenario assumptions, a sizeable extent, 114 to 203 million mu, of croplands may be abandoned from 2010 to 2030 with the rapid decrease and ageing of projected farm labour forces. This could exacerbate the future challenges of maintaining China's food security. A substantial increase in agricultural project investments, including land consolidation and agricultural productive fixed assets, especially microtillage machines, could help mitigate the risk of cropland abandonment. Additionally, land-use and environmental policymaking should take into account the expanding cropland abandonment in mountainous regions.
Keywordagricultural labour productivity China cropland abandonment mountainous regions population projection
DOI10.1002/ldr.2924
WOS KeywordAGRICULTURAL LAND ABANDONMENT ; FOREST-TRANSITION THEORY ; SOIL ORGANIC-CARBON ; FARMLAND ABANDONMENT ; GREEN PROGRAM ; SWISS MOUNTAINS ; TM DATA ; AREAS ; COVER ; GRAIN
Indexed BySCI
Language英语
Funding ProjectNational Basic Research Program of China (973 Program)[2015CB452706] ; GDAS' Special Project of Science and Technology Development[2018GDASCX-0903] ; GDAS' Special Project of Science and Technology Development[2017GDASCX-0101] ; GDAS' Special Project of Science and Technology Development[2018GDASCX-0101] ; National Natural Science Foundation of China[41161140352]
Funding OrganizationNational Basic Research Program of China (973 Program) ; GDAS' Special Project of Science and Technology Development ; National Natural Science Foundation of China
WOS Research AreaEnvironmental Sciences & Ecology ; Agriculture
WOS SubjectEnvironmental Sciences ; Soil Science
WOS IDWOS:000433587400003
PublisherWILEY
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/54751
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLi, Xiubin
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Guangzhou Inst Geog, Guangdong Open Lab Geospatial Informat Technol &, Guangzhou 510070, Guangdong, Peoples R China
4.Int Inst Appl Syst Anal, A-2361 Laxenburg, Austria
Recommended Citation
GB/T 7714
Li, Shengfa,Li, Xiubin,Sun, Laixiang,et al. An estimation of the extent of cropland abandonment in mountainous regions of China[J]. LAND DEGRADATION & DEVELOPMENT,2018,29(5):1327-1342.
APA Li, Shengfa,Li, Xiubin,Sun, Laixiang,Cao, Guiying,Fischer, Guenther,&Tramberend, Sylvia.(2018).An estimation of the extent of cropland abandonment in mountainous regions of China.LAND DEGRADATION & DEVELOPMENT,29(5),1327-1342.
MLA Li, Shengfa,et al."An estimation of the extent of cropland abandonment in mountainous regions of China".LAND DEGRADATION & DEVELOPMENT 29.5(2018):1327-1342.
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