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Precipitation and Anthropogenic Activities Jointly Green the China-Mongolia-Russia Economic Corridor

文献类型：期刊论文

作者Li, Xiang1,2; Zhang, Xueqin1; Xu, Xiaoming1,2
刊名REMOTE SENSING
出版日期2022
卷号14期号:1页码:28
关键词vegetation coverage climate change anthropogenic activities attribution analysis desertification China-Mongolia-Russia Economic Corridor (CMREC)
DOI10.3390/rs14010187
通讯作者Zhang, Xueqin(zhangxq@igsnrr.ac.cn)
英文摘要Climate change and anthropogenic activities are widely considered the main factors affecting vegetation growth. However, their relative contributions are under debate. Within the non-climatic impact, detailed human activities, particularly government policy adjustments, are less investigated. In this study, we develop a fractional vegetation coverage (FVC) extraction method based on MODIS-EVI satellite data to analyze the spatiotemporal variation of vegetation and its attributions in the China-Mongolia-Russia Economic Corridor (CMREC). The average FVC has improved, with a general increase of 0.02/10a from 2000 to 2020. We construct a driving factor identification system for FVC change, based on partial and multiple correlation coefficients, and we divide the driving forces of FVC changes into seven climate-driven types and one non-climate-driven type. The results reveal that FVC changes caused by climatic factors account for 28.2% of CMREC. The most prominent greening (19.5%) is precipitation-driven, and is extensively distributed in Khentii Aimag, Mongolia; southeast Inner Mongolia; west Jilin Province; and southwest Heilongjiang Province, China. Moreover, we quantify the relative contribution of climatic and non-climatic factors to significant FVC change using the first-difference multivariate regression method. The results indicate that the effects of non-climatic factors on vegetation change outweigh those of climatic factors in most areas. According to the land cover change and regional policy adjustment, anthropogenic activities such as afforestation, reclamation, and planting structure adjustment explain most vegetation improvement in the Northeast Plain; eastern Inner Mongolia; and the Hetao Irrigation District, China. Meanwhile, both vegetation improvement and degradation disperse concurrently in the Mongolian and Russian parts of CMREC, where climate change and anthropogenic activities positively and negatively affect vegetation change, respectively. Despite the greening in most CMREC, it must be noted that human-induced greening is unsustainable to some degree. The overdevelopment of black soil area and sandy land, adverse effects of afforestation projects, and natural hazards related to weather and climate extremes altogether threaten the local ecological security in the long run. Therefore, governments should develop new desertification countermeasures in accordance with the laws of nature, and enhance international cooperation to guarantee the ecological safety of CMREC.
WOS关键词VEGETATION INDEX ; CLIMATE-CHANGE ; LAND ; NDVI ; COVER ; MODIS ; DESERTIFICATION ; WIND ; REGRESSION ; TRENDS
资助项目Strategic Priority Research Program of Chinese Academy of Sciences[XDA20030203] ; Consultation and Evaluation Project of the Faculty of Chinese Academy of Sciences[2019-ZW09-A-032]
WOS研究方向Environmental Sciences & Ecology ; Geology ; Remote Sensing ; Imaging Science & Photographic Technology
语种英语
WOS记录号WOS:000758379100001
出版者MDPI
资助机构Strategic Priority Research Program of Chinese Academy of Sciences ; Consultation and Evaluation Project of the Faculty of Chinese Academy of Sciences
源URL[http://ir.igsnrr.ac.cn/handle/311030/170608]  
专题中国科学院地理科学与资源研究所
通讯作者Zhang, Xueqin
作者单位1.Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Datun Rd, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Li, Xiang,Zhang, Xueqin,Xu, Xiaoming. Precipitation and Anthropogenic Activities Jointly Green the China-Mongolia-Russia Economic Corridor[J]. REMOTE SENSING,2022,14(1):28.
APA Li, Xiang,Zhang, Xueqin,&Xu, Xiaoming.(2022).Precipitation and Anthropogenic Activities Jointly Green the China-Mongolia-Russia Economic Corridor.REMOTE SENSING,14(1),28.
MLA Li, Xiang,et al."Precipitation and Anthropogenic Activities Jointly Green the China-Mongolia-Russia Economic Corridor".REMOTE SENSING 14.1(2022):28.

入库方式： OAI收割

来源：地理科学与资源研究所

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