干旱区生态环境知识资源中心(Arid): Spatial and temporal variations of grassland vegetation on the Mongolian Plateau and its response to climate change

Arid

DOI	10.3389/fevo.2023.1067209
	Spatial and temporal variations of grassland vegetation on the Mongolian Plateau and its response to climate change
	Li, Guangshuai; Yu, Lingxue; Liu, Tingxiang; Bao, Yulong; Yu, Jiaxin; Xin, Bingxia; Bao, Lun; Li, Xuan; Chang, Xinyue; Zhang, Shuwen
通讯作者	Liu, TX
来源期刊	FRONTIERS IN ECOLOGY AND EVOLUTION
ISSN	2296-701X
出版年	2023
卷号	11
英文摘要	The Mongolian Plateau is an arid and semi-arid region with grassland as its main vegetation. It has a fragile ecosystem and is a sensitive area for global warming. The study is based on MODIS NDVI data and growth season meteorological data from 2000 to 2018, this study examined the spatial and temporal variation characteristics of grassland vegetation on the Mongolian Plateau during the growing season using trend analysis, partial correlation analysis, and residual analysis, and it explores the dual response of NDVI changes to climate and human activities. The study's findings demonstrated that the growing season average NDVI of grassland vegetation on the plateau gradually increased from southwest to northeast during the growing season; the growing season average NDVI demonstrated a significant overall increase of 0.023/10a (p < 0.05) from 2000 to 2018, with an increase rate of 0.030/10a in Inner Mongolia and 0.019/10a in Mongolia; the area showing a significant increase in NDVI during the growing season accounted for 91.36% of the entire study area. In Mongolian Plateau grasslands during the growing season of 2000-2018, precipitation and downward surface shortwave radiation grew significantly at rates of 34.83mm/10a and 0.57 W/m2/10a, respectively, while average air temperature decreased slightly at a rate of -0.018 degrees C/10a. Changes in meteorological factors of grassland vegetation varied by region as well, with Inner Mongolia seeing higher rates of precipitation, lower rates of average air temperature, and lower rates of downward surface shortwave radiation than Mongolia. On the Mongolian Plateau, the NDVI of grassland vegetation in the growing season showed a significant positive correlation with precipitation (0.31) and a significant negative correlation with average air temperature (-0.09) and downward surface shortwave radiation (-0.19), indicating that increased in NDVI was driven by an increase in precipitation paired with a decrease in air temperature and a decrease in surface shortwave radiation. The overall increase in NDVI caused by human activity in the grasslands of the Mongolian Plateau was primarily positive, with around 18.37% of the region being beneficial. Climate change and human activity both affect NDVI variations in Mongolian Plateau grasslands, which are spatially heterogeneous. Moderate ecological engineering and agricultural production activities are crucial for vegetation recovery. This work is crucial to further understanding surface-atmosphere interactions in arid and semi-arid regions in the context of global climate change.
英文关键词	Mongolian Plateau grassland vegetation climate change NDVI vegetation changes
类型	Article
语种	英语
开放获取类型	gold
收录类别	SCI-E
WOS记录号	WOS:000944687400001
WOS关键词	GROWING-SEASON ; LOESS PLATEAU ; RIVER-BASIN ; CHINA ; WATER ; AFFORESTATION ; CARBON ; TREND
WOS类目	Ecology
WOS研究方向	Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/396497
推荐引用方式 GB/T 7714	Li, Guangshuai,Yu, Lingxue,Liu, Tingxiang,et al. Spatial and temporal variations of grassland vegetation on the Mongolian Plateau and its response to climate change[J],2023,11.
APA	Li, Guangshuai.,Yu, Lingxue.,Liu, Tingxiang.,Bao, Yulong.,Yu, Jiaxin.,...&Zhang, Shuwen.(2023).Spatial and temporal variations of grassland vegetation on the Mongolian Plateau and its response to climate change.FRONTIERS IN ECOLOGY AND EVOLUTION,11.
MLA	Li, Guangshuai,et al."Spatial and temporal variations of grassland vegetation on the Mongolian Plateau and its response to climate change".FRONTIERS IN ECOLOGY AND EVOLUTION 11(2023).