Effects of rural-urban migration on vegetation greenness in fragile areas: A case study of Inner Mongolia in China
Li, SJ; Sun, ZG; Tan, MH; Li, XB
2016
Source PublicationJOURNAL OF GEOGRAPHICAL SCIENCES
ISSN1009-637X
Volume26Issue:3Pages:313-324
AbstractDifferent government departments and researchers have paid considerable attention at various levels to improving the eco-environment in ecologically fragile areas. Over the past decade, large numbers of people have emigrated from rural areas as a result of the rapid urbanization in Chinese society. The question then remains: to what extent does this migration affect the regional vegetation greenness in the areas that people have moved from? Based on normalized difference vegetation index (NDVI) data with a resolution of 1 km, as well as meteorological data and socio-economic data from 2000 to 2010 in Inner Mongolia, the spatio-temporal variation of vegetation greenness in the study area was analyzed via trend analysis and significance test methods. The contributions of human activities and natural factors to the variation of vegetation conditions during this period were also quantitatively tested and verified, using a multi-regression analysis method. We found that: (1) the vegetation greenness of the study area increased by 10.1% during 2000-2010. More than 28% of the vegetation greenness increased significantly, and only about 2% decreased evidently during the study period. (2) The area with significant degradation showed a banded distribution at the northern edge of the agro-pastoral ecotone in central Inner Mongolia. This indicates that the eco-environment is still fragile in this area, which should be paid close attention. The area where vegetation greenness significantly improved showed a concentrated distribution in the southeast and west of Inner Mongolia. (3) The effect of agricultural labor on vegetation greenness exceeded those due to natural factors (i.e. precipitation and temperature). The emigration of agricultural labor improved the regional vegetation greenness significantly.
SubtypeJournal
Keywordrural-urban migration agricultural labor vegetation greenness NDVI Inner Mongolia
Subject AreaPhysical Geography
WOS Subject ExtendedGeography, Physical
WOS KeywordNDVI TIME-SERIES ; NOAA NDVI ; CLIMATE ; COVER ; DYNAMICS ; DATASETS
Indexed BySCI
Language英语
WOS IDWOS:000369016400004
PublisherSCIENCE PRESS
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/44271
Collection生态系统网络观测与模拟院重点实验室_生态网络实验室
Recommended Citation
GB/T 7714
Li, SJ,Sun, ZG,Tan, MH,et al. Effects of rural-urban migration on vegetation greenness in fragile areas: A case study of Inner Mongolia in China[J]. JOURNAL OF GEOGRAPHICAL SCIENCES,2016,26(3):313-324.
APA Li, SJ,Sun, ZG,Tan, MH,&Li, XB.(2016).Effects of rural-urban migration on vegetation greenness in fragile areas: A case study of Inner Mongolia in China.JOURNAL OF GEOGRAPHICAL SCIENCES,26(3),313-324.
MLA Li, SJ,et al."Effects of rural-urban migration on vegetation greenness in fragile areas: A case study of Inner Mongolia in China".JOURNAL OF GEOGRAPHICAL SCIENCES 26.3(2016):313-324.
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