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The composition of the middle Miocene (15 Ma) Namling paleoflora, South Central Tibet, in the context of other Tibetan and Himalayan Floras
Guo Shuang-Xing; Spicer, Robert A.; Widdowson, Mike3; Herman, Alexei B.; Domogatskaya, Ksenia V.
2019
Source PublicationREVIEW OF PALAEOBOTANY AND PALYNOLOGY
ISSN0034-6667
Volume271Issue:xPages:-
Abstract

Molecular phylogenetidsts often find that a diversification of western Chinese plant taxa took place in the Miocene and link this to the Neogene uplift of the Tibetan Plateau. This link is made despite abundant geological evidence showing that a high but topographically complex Tibet already existed in the Paleogene. To evaluate and constrain molecular phylogenetic trees and better understand Asian plant diversification requires accurate systematic assignment of well-dated plant megafossils. Here, as part of an ongoing programme of absolute dating and taxonomic evaluation of fossil floras across southwestern China and the Himalaya, we present a new and expanded systematic treatment of the late Miocene leaf flora from the Gazhacun Formation near the village of Wang b'dui in Namling County, central southern Tibet. This flora, whose age (15 Ma) and paleoelevation (similar to 5 km) are well constrained, comprises 9 families, 13 genera and 25 species (including 22 new species). The paleoflora represents a typical boreal temperate mostly deciduous broad-leaved forest attesting to a cool humid climate. At the paleolatitude of the site, <28 degrees N, this is compatible with the high elevation (4700-5200 m) for this part of Tibet quantified by both leaf physiognomy and isotopic analyses. Plant fossil evidence also witnesses a much wetter Tibetan upland environment before a rising Himalaya obstructed northward-moving moist air from the Indian Ocean. (C) 2019 Published by Elsevier B.V.

KeywordLeaf Paleoclimate Paleoecology Neogene Himalaya Southwest China
Subject AreaPlant Sciences ; Paleontology
DOI10.1016/j.revpalbo.2019.06.011
Indexed BySCI
Language英语
WOS IDWOS:000503828300002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/11594
Collection古生态研究组
Affiliation1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, Dept Palaeobot & Palynol, Nanjing 210008, Jiangsu, Peoples R China
2.Spicer, Robert A.] Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Mengla 666303, Yunnan, Peoples R China
3.Spicer, Robert A.] Open Univ, Sch Environm Earth & Ecosyst Sci, Milton Keynes MK7 6AA, Bucks, England
4.Univ Hull, Sch Environm Sci, Kingston Upon Hull HU6 7RX, N Humberside, England
5.Herman, Alexei B.; Domogatskaya, Ksenia V.] Russian Acad Sci, Geol Inst, Moscow 119017, Russia
6.Domogatskaya, Ksenia V.] Lomonosov Moscow State Univ, Geol Dept, Moscow 119234, Russia
Recommended Citation
GB/T 7714
Guo Shuang-Xing,Spicer, Robert A.,Widdowson, Mike,et al. The composition of the middle Miocene (15 Ma) Namling paleoflora, South Central Tibet, in the context of other Tibetan and Himalayan Floras[J]. REVIEW OF PALAEOBOTANY AND PALYNOLOGY,2019,271(x):-.
APA Guo Shuang-Xing,Spicer, Robert A.,Widdowson, Mike,Herman, Alexei B.,&Domogatskaya, Ksenia V..(2019).The composition of the middle Miocene (15 Ma) Namling paleoflora, South Central Tibet, in the context of other Tibetan and Himalayan Floras.REVIEW OF PALAEOBOTANY AND PALYNOLOGY,271(x),-.
MLA Guo Shuang-Xing,et al."The composition of the middle Miocene (15 Ma) Namling paleoflora, South Central Tibet, in the context of other Tibetan and Himalayan Floras".REVIEW OF PALAEOBOTANY AND PALYNOLOGY 271.x(2019):-.
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