globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.12426
论文题名:
Elevation-induced climate change as a dominant factor causing the late Miocene C4 plant expansion in the Himalayan foreland
作者: Wu H.; Guo Z.; Guiot J.; Hatté C.; Peng C.; Yu Y.; Ge J.; Li Q.; Sun A.; Zhao D.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2014
卷: 20, 期:5
起始页码: 1461
结束页码: 1472
语种: 英语
英文关键词: Inverse vegetation model ; Late Miocene ; Paleoclimate reconstruction ; Pollen biome
Scopus关键词: biome ; C3 plant ; C4 plant ; carbon dioxide ; carbon isotope ; climate variation ; concentration (composition) ; Miocene ; paleoclimate ; reconstruction ; spatial distribution ; spatial variation ; temporal variation ; vegetation dynamics ; Himalayas ; Nepal ; Siwalik Hills ; carbon ; carbon dioxide ; analysis ; atmosphere ; biodiversity ; biological model ; climate change ; ecosystem ; metabolism ; Nepal ; paleontology ; plant ; season ; Atmosphere ; Biodiversity ; Carbon ; Carbon Dioxide ; Climate Change ; Ecosystem ; Models, Biological ; Nepal ; Paleontology ; Plants ; Seasons
英文摘要: During the late Miocene, a dramatic global expansion of C4 plant distribution occurred with broad spatial and temporal variations. Although the event is well documented, whether subsequent expansions were caused by a decreased atmospheric CO2 concentration or climate change is a contentious issue. In this study, we used an improved inverse vegetation modeling approach that accounts for the physiological responses of C3 and C4 plants to quantitatively reconstruct the paleoclimate in the Siwalik of Nepal based on pollen and carbon isotope data. We also studied the sensitivity of the C3 and C4 plants to changes in the climate and the atmospheric CO2 concentration. We suggest that the expansion of the C4 plant distribution during the late Miocene may have been primarily triggered by regional aridification and temperature increases. The expansion was unlikely caused by reduced CO2 levels alone. Our findings suggest that this abrupt ecological shift mainly resulted from climate changes related to the decreased elevation of the Himalayan foreland. © 2013 John Wiley & Sons Ltd.
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被引频次[WOS]:10   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/62251
Appears in Collections:影响、适应和脆弱性

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作者单位: Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, P.O. Box 9825, Beijing, 100029, China; CNRS, IRD, CEREGE UM34, Aix-Marseille Université, Europôle de l'Arbois BP 80, Aix-en-Provence, Cedex 4, F-13545, France; Laboratoire des Sciences du Climat et de l'Environnement, UMR CEA-CNRS-UVSQ 8212, Domaine du CNRS, Paris, Gif-sur-Yvette, 91198, France; Institute of Environment Sciences, Department of Biology Sciences, University of Quebec at Montreal (UQAM), Montreal, QC, Canada; Laboratory for Ecological Forecasting and Global Change, College of Forestry, Northwest A and F University, Yangling, Shaanxi, 712100, China

Recommended Citation:
Wu H.,Guo Z.,Guiot J.,et al. Elevation-induced climate change as a dominant factor causing the late Miocene C4 plant expansion in the Himalayan foreland[J]. Global Change Biology,2014-01-01,20(5)
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