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题名: Late Miocene vegetation dynamics under monsoonal climate in southwestern China
作者: Li, Shu-Feng1, 2; Mao, Li-Mi4; Spicer, Robert A.5; Lebreton-Anberree, Julie1, 2; Su, Tao1; Sun, Mei1, 2; Zhou, Zhe-Kun1, 3
刊名: PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
出版日期: 2015-05-01
卷号: 425, 页码:14-40
关键词: China ; Palaeoclimate ; Miocene ; Monsoon ; Pollen ; Vegetation dynamics
学科分类: Geography, Physical; Geosciences, Multidisciplinary; Paleontology
DOI: 10.1016/j.palaeo.2015.02.030
通讯作者: Zhou,ZK (reprint author),Chinese Acad Sci,Xishuangbanna Trop Bot Garden,Key Lab Trop Forest Ecol,Mengla 666303,Peoples R China. ; zhouzk@xtbg.ac.cn
文章类型: Article
英文摘要: To better understand vegetation dynamics and the Asian monsoonal climate in the Neogene, we reconstructed the vegetational succession and climate of Wenshan basin in southwestern China during the late Miocene (11.62-5.33 Ma). We used newly available palynological data and the results of a quantitative bioclimatic analysis. The late Miocene palynoflora in Wenshan basin resembles that of modern evergreen broadleaf vegetation in subtropical East Asia. Based on pollen elements and reconstructed palaeoclimates in 72 samples, we found the composition of the vegetation in the Wenshan basin fluctuated during the late Miocene and was likely driven by natural climate variability. Quantitative estimates suggest that the mean annual temperature (MAT) ranged from 16.6 to 17.5 degrees C; the mean annual precipitation (MAP) was similar to 1500 mm; and the monsoon intensity index (MSI) ranged from 11.3 to 17.1. Our results indicate that the Wenshan basin experienced a warm, wet, and temperate to subtropical climate. By comparison with other late Miocene sites in Yunnan, we show that temperatures differed slightly from region to region and, overall, annual and seasonal precipitation levels were higher in the late Miocene than at present, but with a weaker monsoon intensity than in the Wenshan basin today. (C) 2015 Elsevier B.V. All rights reserved.
类目[WOS]: Geography, Physical ; Geosciences, Multidisciplinary ; Paleontology
研究领域[WOS]: Physical Geography ; Geology ; Paleontology
关键词[WOS]: EAST-ASIAN MONSOON ; TIBETAN PLATEAU ; QUANTITATIVE RECONSTRUCTIONS ; SOUTHEAST MARGIN ; YUNNAN PROVINCE ; INDIAN MONSOON ; SURFACE UPLIFT ; NORTHERN CHINA ; PLANT FOSSILS ; TERRESTRIAL
收录类别: SCI
项目资助者: National Basic Research Program of China [2012CB821901] ; National Natural Science Foundation of China [41372035] ; CAS 135 Program [XTBG-F01]
语种: 英语
WOS记录号: WOS:000352664500002
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/20640
Appears in Collections:中国科学院东亚植物多样性与生物地理学重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Key Lab Trop Forest Ecol, Mengla 666303, Yunnan, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biogeog & Biodivers, Kunming 650204, Peoples R China
4.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
5.Open Univ, Ctr Earth Planetary Space & Astron Res, Environm Earth & Ecosyst, Milton Keynes MK7 6AA, Bucks, England
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