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Greening of the Earth and its drivers
Zhu, ZC (Zhu, Zaichun)1,2; Piao, SL (Piao, Shilong)1,2; Myneni, RB (Myneni, Ranga B.)3; Huang, MT (Huang, Mengtian)2; Zeng, ZZ (Zeng, Zhenzhong)2; Canadell, JG (Canadell, Josep G.)4; Ciais, P (Ciais, Philippe)2,5; Sitch, S (Sitch, Stephen)6; Friedlingstein, P (Friedlingstein, Pierre)7; Arneth, A (Arneth, Almut)2,8; Cao, CX (Cao, Chunxiang)9; Cheng, L (Cheng, Lei)10; Kato, E (Kato, Etsushi)11; Koven, C (Koven, Charles)12; Li, Y (Li, Yue)2; Lian, X (Lian, Xu)2; Liu, YW (Liu, Yongwen)2; Liu, RG (Liu, Ronggao)13; Mao, JF (Mao, Jiafu)14,15; Pan, YZ (Pan, Yaozhong)16; Piao, SL
AbstractGlobal environmental change is rapidly altering the dynamics of terrestrial vegetation, with consequences for the functioning of the Earth system and provision of ecosystem services(1,2). Yet how global vegetation is responding to the changing environment is not well established. Here we use three long-term satellite leaf area index (LAI) records and ten global ecosystem models to investigate four key drivers of LAI trends during 1982-2009. We show a persistent and widespread increase of growing season integrated LAI (greening) over 25% to 50% of the global vegetated area, whereas less than 4% of the globe shows decreasing LAI (browning). Factorial simulations with multiple global ecosystem models suggest that CO2 fertilization effects explain 70% of the observed greening trend, followed by nitrogen deposition (9%), climate change (8%) and land cover change (LCC) (4%). CO2 fertilization effects explain most of the greening trends in the tropics, whereas climate change resulted in greening of the high latitudes and the Tibetan Plateau. LCC contributed most to the regional greening observed in southeast China and the eastern United States. The regional effects of unexplained factors suggest that the next generation of ecosystem models will need to explore the impacts of forest demography, differences in regional management intensities for cropland and pastures, and other emerging productivity constraints such as phosphorus availability.
Subject Area普通生物学
WOS IDWOS:000382134800019
Indexed BySCI
KeywordTerrestrial Carbon-cycle Photosynthetic Capacity Nitrogen Deposition Forests Co2 Deforestation Productivity Temperature Models Trends
Cooperation Status国际
Citation statistics
Cited Times:615[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorPiao, SL
Affiliation1.Chinese Acad Sci, Key Lab Alpine Ecol & Biodivers, Inst Tibetan Plateau Res, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100085, Peoples R China
2.Peking Univ, Sino French Inst Earth Syst Sci, Coll Urban & Environm Sci, Beijing 100871, Peoples R China
3.Boston Univ, Dept Earth & Environm, Boston, MA 02215 USA
4.CSIRO Oceans & Atmosphere, Global Carbon Project, GPO Box 3023, Canberra, ACT 2601, Australia
5.UVSQ, CEA, CNRS, LSCE, F-91191 Gif Sur Yvette, France
6.Univ Exeter, Coll Life & Environm Sci, Exeter EX4 4QF, Devon, England
7.Univ Exeter, Coll Engn Math & Phys Sci, Exeter EX4 4QF, Devon, England
8.Karlsruhe Inst Technol, Inst Meteorol & Climate Res, Atmospher Environm Res, D-82467 Garmisch Partenkirchen, Germany
9.Chinese Acad Sci, Inst Remote Sensing & Digital Earth, State Key Lab Remote Sensing Sci, Beijing 100101, Peoples R China
10.CSIRO Land andWater, Black Mt, Canberra, ACT 2601, Australia
11.IAE, Minato Ku, Tokyo 1050003, Japan
12.Lawrence Berkeley Natl Lab, Earth Sci Div, 1 Cyclotron Rd, Berkeley, CA 94720 USA
13.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, LREIS, Beijing 100101, Peoples R China
14.Oak Ridge Natl Lab, Climate Change Sci Inst, Oak Ridge, TN 37831 USA
15.Oak Ridge Natl Lab, Div Environm Sci, POB 2008, Oak Ridge, TN 37831 USA
16.Beijing Normal Univ, Coll Resources Sci & Technol, State Key Lab Earth Proc & Resource Ecol, Beijing 100875, Peoples R China
Recommended Citation
GB/T 7714
Zhu, ZC ,Piao, SL ,Myneni, RB ,et al. Greening of the Earth and its drivers[J]. NATURE CLIMATE CHANGE,2016,6(8):791-795.
APA Zhu, ZC .,Piao, SL .,Myneni, RB .,Huang, MT .,Zeng, ZZ .,...&Piao, SL.(2016).Greening of the Earth and its drivers.NATURE CLIMATE CHANGE,6(8),791-795.
MLA Zhu, ZC ,et al."Greening of the Earth and its drivers".NATURE CLIMATE CHANGE 6.8(2016):791-795.
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