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Recent leveling off of vegetation greenness and primary production reveals the increasing soil water limitations on the greening Earth
Feng, Xiaoming; Fu, Bojie; Zhang, Yuan; Pan, Naiqing; Zeng, Zhenzhong; Tian, Hanqin; Lyu, Yihe; Chen, Yongzhe; Ciais, Philippe; Wang, Yingping; Zhang, Lu; Cheng, Lei; Maestre, Fernando T.; Fernandez-Martinez, Marcos; Sardans, Jordi; Penuelas, Josep
2021-07-30
Source PublicationSCIENCE BULLETIN
ISSN2095-9273
Volume66Issue:14Pages:1462-1471
AbstractGlobal vegetation photosynthesis and productivity have increased substantially since the 1980s, but this trend is heterogeneous in both time and space. Here, we categorize the secular trend in global vegetation greenness into sustained greening, sustained browning and greening-to-browning. We found that by 2016, increased global vegetation greenness had begun to level off, with the area of browning increasing in the last decade, reaching 39.0 million km2 (35.9% of the world's vegetated area). This area is larger than the area with sustained increasing growth (27.8 million km2, 26.4%); thus, 12.0% +/- 3.1% (0.019 +/- 0.004 NDVI a-1) of the previous earlier increase has been offset since 2010 (2010-2016, P < 0.05). Global gross primary production also leveled off, following the trend in vegetation greenness in time and space. This leveling off was caused by increasing soil water limitations due to the spatial expansion of drought, whose impact dominated over the impacts of temperature and solar radiation. This response of global gross primary production to soil water limitation was not identified by land submodels within Earth system models. Our results provide empirical evidence that global vegetation greenness and primary production are offset by water stress and suggest that as global warming continues, land submodels may overestimate the world's capacity to take up carbon with global vegetation greening. (c) 2021 Science China Press. Published by Elsevier B.V. and Science China Press. All rights reserved.
Department城市与区域生态国家重点实验室
KeywordEnsemble empirical mode decomposition Global carbon cycle Global vegetation primary productivity Leveling off of Earth greening Global warming Soil water limitation
WOS Research AreaMultidisciplinary Sciences
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/45550
Collection城市与区域生态国家重点实验室
Affiliation1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Urban & Reg Ecol, Beijing 100085, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Beijing Normal Univ, Fac Geog Sci, State Key Lab Earth Surface Proc & Resource, Beijing 100875, Peoples R China
4.Auburn Univ, Sch Forestry & Wildlife Sci, Int Ctr Climate & Global Change Res, Auburn, AL 36832 USA
5.Southern Univ Sci & Technol, Sch Environm Sci & Engn, Shenzhen 518055, Peoples R China
6.CEA CNRS UVSQ, Lab Sci Climat & Environm, F-91191 Gif Sur Yvette, France
Recommended Citation
GB/T 7714
Feng, Xiaoming,Fu, Bojie,Zhang, Yuan,et al. Recent leveling off of vegetation greenness and primary production reveals the increasing soil water limitations on the greening Earth[J]. SCIENCE BULLETIN,2021,66(14):1462-1471.
APA Feng, Xiaoming.,Fu, Bojie.,Zhang, Yuan.,Pan, Naiqing.,Zeng, Zhenzhong.,...&Penuelas, Josep.(2021).Recent leveling off of vegetation greenness and primary production reveals the increasing soil water limitations on the greening Earth.SCIENCE BULLETIN,66(14),1462-1471.
MLA Feng, Xiaoming,et al."Recent leveling off of vegetation greenness and primary production reveals the increasing soil water limitations on the greening Earth".SCIENCE BULLETIN 66.14(2021):1462-1471.
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