Quantifying the Impacts of Anthropogenic Activities and Climate Variations on Vegetation Productivity Changes in China from 1985 to 2015

doi:10.3390/rs12071113

	Quantifying the Impacts of Anthropogenic Activities and Climate Variations on Vegetation Productivity Changes in China from 1985 to 2015
	Naeem, Shahid 1,2; Zhang, Yongqiang 1,2; Tian, Jing 1,2; Qamer, Faisal Mueen 3; Latif, Aamir 2; Paul, Pranesh Kumar 1,2
刊名	REMOTE SENSING
	2020-04-01
卷号	12 期号:7 页码:29
关键词	anthropogenic activities climate variations vegetation productivity base period restoration period
DOI	10.3390/rs12071113
通讯作者	Zhang, Yongqiang(zhangyq@igsnrr.ac.cn)
英文摘要	Accurate assessment of vegetation dynamics provides important information for ecosystem management. Anthropogenic activities and climate variations are the major factors that primarily influence vegetation ecosystems. This study investigates the spatiotemporal impacts of climate factors and human activities on vegetation productivity changes in China from 1985 to 2015. Actual net primary productivity (ANPP) is used to reflect vegetation dynamics quantitatively. Climate-induced potential net primary productivity (PNPP) is used as an indicator of climate change, whereas the difference between PNPP and ANPP is considered as an indicator of human activities (HNPP). Overall, 91% of the total vegetation cover area shows declining trends for net primary productivity (NPP), while only 9% shows increasing trends before 2000 (base period). However, after 2000 (restoration period), 78.7% of the total vegetation cover area shows increasing trends, whereas 21.3% of the area shows decreasing trends. Moreover, during the base period, the quantitative contribution of climate change to NPP restoration is 0.21 grams carbon per meter square per year (gC m(-2) yr(-1)) and to degradation is 2.41 gC m(-2) yr(-1), while during the restoration period, climate change contributes 0.56 and 0.29 gC m(-2) yr(-1) to NPP restoration and degradation, respectively. Human activities contribute 0.36 and 0.72 gC m(-2) yr(-1) during the base period, and 0.63 and 0.31 gC m(-2) yr(-1) during the restoration period to NPP restoration and degradation, respectively. The combined effects of climate and human activities restore 0.65 and 1.11 gC m(-2) yr(-1), and degrade 2.01 and 0.67 gC m(-2) yr(-1) during the base and restoration periods, respectively. Climate factors affect vegetation cover more than human activities, while precipitation is found to be more sensitive to NPP change than temperature. Unlike the base period, NPP per unit area increases with an increase in the human footprint pressure during the restoration period. Grassland has more variability than other vegetation classes, and the grassland changes are mainly observed in Tibet, Xinjiang, and Inner Mongolia regions. The results may help policy-makers by providing necessary guidelines for the management of forest, grassland, and agricultural activities.
资助项目	CAS Pioneer Hundred Talents Program ; National Natural Science Foundation of China[41971032]
WOS关键词	NET PRIMARY PRODUCTIVITY ; QINGHAI-TIBET PLATEAU ; QUANTITATIVE ASSESSMENT ; LAND-USE ; GRASSLAND DEGRADATION ; DRIVING FORCES ; CARBON SEQUESTRATION ; INNER-MONGOLIA ; RELATIVE ROLES ; DYNAMICS
WOS研究方向	Remote Sensing
语种	英语
出版者	MDPI
WOS记录号	WOS:000537709600063
资助机构	CAS Pioneer Hundred Talents Program ; National Natural Science Foundation of China
内容类型	期刊论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/159484]
专题	中国科学院地理科学与资源研究所
通讯作者	Zhang, Yongqiang
作者单位	1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China 2.Univ Chinese Acad Sci UCAS, Beijing 101408, Peoples R China 3.Int Ctr Integrated Mt Dev ICIMOD, Kathmandu 44700, Nepal
推荐引用方式 GB/T 7714	Naeem, Shahid,Zhang, Yongqiang,Tian, Jing,et al. Quantifying the Impacts of Anthropogenic Activities and Climate Variations on Vegetation Productivity Changes in China from 1985 to 2015[J]. REMOTE SENSING,2020,12(7):29.
APA	Naeem, Shahid,Zhang, Yongqiang,Tian, Jing,Qamer, Faisal Mueen,Latif, Aamir,&Paul, Pranesh Kumar.(2020).Quantifying the Impacts of Anthropogenic Activities and Climate Variations on Vegetation Productivity Changes in China from 1985 to 2015.REMOTE SENSING,12(7),29.
MLA	Naeem, Shahid,et al."Quantifying the Impacts of Anthropogenic Activities and Climate Variations on Vegetation Productivity Changes in China from 1985 to 2015".REMOTE SENSING 12.7(2020):29.