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学科主题: 生物科学::普通生物学
题名: Simulated annual changes in plant functional types and their responses to climate change on the northern Tibetan Plateau
作者: Cuo, L (Cuo, Lan)1; Zhang, YX (Zhang, Yongxin)2; Piao, SL (Piao, Shilong)1; Gao, YH (Gao, Yanhong)3
通讯作者: Cuo, L
刊名: BIOGEOSCIENCES
发表日期: 2016
DOI: 10.5194/bg-13-3533-2016
卷: 13, 期:12, 页:3533-3548
收录类别: SCI
合作性质: 国际
文章类型: Article
英文摘要: Changes in plant functional types (PFTs) have important implications for both climate and water resources. Still, little is known about whether and how PFTs have changed over the past decades on the northern Tibetan Plateau (NTP) where several of the top largest rivers in the world are originated. Also, the relative importance of atmospheric conditions vs. soil physical conditions in affecting PFTs is unknown on the NTP. In this study, we used the improved Lund-Potsdam-Jena Dynamic Global Vegetation Model to investigate PFT changes through examining the changes in foliar projective coverages (FPCs) during 1957-2009 and their responses to changes in root zone soil temperature, soil moisture, air temperature, precipitation and CO2 concentrations. The results show spatially heterogeneous changes in FPCs across the NTP during 1957-2009, with 34aEuro-% (13aEuro-%) of the region showing increasing (decreasing) trends. Dominant drivers responsible for the observed FPC changes vary with regions and vegetation types, but overall, precipitation is the major factor in determining FPC changes on the NTP with positive impacts. Soil temperature increase exhibits small but negative impacts on FPCs. Different responses of individual FPCs to regionally varying climate change result in spatially heterogeneous patterns of vegetation changes on the NTP. The implication of the study is that fresh water resources in one of the world's largest and most important headwater basins and the onset and intensity of Asian monsoon circulations could be affected because of the changes in FPCs on the NTP.
语种: 英语
WOS记录号: WOS:000379427700002
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7859
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Tibetan Plateau Res, Ctr Excellence Tibetan Plateau Earth Sci, Key Lab Tibetan Environm Changes & Land Surface P, Beijing, Peoples R China
2.Natl Ctr Atmospher Res, Res Applicat Lab, POB 3000, Boulder, CO 80307 USA
3.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Key Lab Land Surface Proc & Climate Change Cold &, Lanzhou, Peoples R China

Recommended Citation:
Cuo, L ,Zhang, YX ,Piao, SL ,et al. Simulated annual changes in plant functional types and their responses to climate change on the northern Tibetan Plateau[J]. BIOGEOSCIENCES,2016,13(12):3533-3548.
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