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Megafossils of Betulaceae from the Oligocene of Qaidam Basin and their paleoenvironmental and phytogeographic implications

文献类型：期刊论文

作者Yang, Tao4,5,6; Cai, Jia-Hao5,6; Dai, Yan-Zhi5,6; Chen, Hong -Yu2,3,5,6; Han, Lei5,6; Zhang, Li1,2,3; Liang, Wei -Yu5,6; Li, Xu-Jun5,6; Li, Wen- Jia5,6; Wu, Jing -Yu5,6
刊名PLANT DIVERSITY
出版日期2024
卷号46期号:1页码:101-115
关键词Paleoenvironment Biogeography Betulaceous fossil Qaidam basin Tibetan Plateau Oligocene
ISSN号2096-2703
DOI10.1016/j.pld.2023.03.007
通讯作者Yan, De -Fei(yandf@lzu.edu.cn)
英文摘要Understanding the paleoenvironment and phytogeographical history of the Tibetan Plateau, China relies on discovering new plant fossils. The Qaidam Basin has long been regarded as an ideal 'field laboratory ' to investigate the paleoclimate and paleobiological evolution of the northern Tibetan Plateau. However, fossil angiosperms from the Qaidam Basin are rare, and our knowledge of its paleovegetation is poor. Here, we report fossil leaves and fruits of Betulaceae found from the Oligocene Shangganchaigou Formation of northwestern Qaidam Basin (Huatugou area). Comparative morphological analysis led us to assign the fruits to the Betula subgenus Betula and the leaves to Carpinus grandis . These findings, together with other reported fossil plants from the same locality, reveal a close floristic linkage between the Qaidam Basin and Europe during the Oligocene. The northern pathway of this floristic exchange may have crossed through the Qaidam Basin during the late Paleogene. This floristic linkage may have been facilitated by the continuous narrowing of the Turgai Strait and stronger westerlies, which transported moisture and provided favorable climatic conditions. Indeed, fossil plants collected from the Qaidam Basin suggest that during the Oligocene this region had warm and humid deciduous broad-leaf forest, which differs from the region 's modern vegetation and indicates that the Qaidam Basin may have been a suitable region for these plants to flourish and spread during the Oligocene. Copyright (c) 2023 Kunming Institute of Botany, Chinese Academy of Sciences. Publishing services by Elsevier B.V. on behalf of KeAi Communications Co., Ltd. This is an open access article under the CC BYNC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
WOS关键词TIBETAN PLATEAU ; MIDDLE EOCENE ; CARPINUS BETULACEAE ; TECTONIC UPLIFT ; PLIOCENE ; EVOLUTION ; LEAVES ; MIOCENE ; CHINA ; FOSSILS
资助项目China Post-doctoral Science Foundation[2022M723151] ; Second Tibetan Plateau Scientific Expedition Research Program[2019QZKK0704] ; National Natural Science Foundation of China[42172005] ; National Natural Science Foundation of China[41272026] ; National Natural Science Foundation of China[41972008] ; National Natural Science Foundation of China[31870200] ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences[XDB26000000]
WOS研究方向Plant Sciences
语种英语
WOS记录号WOS:001224988200001
出版者KEAI PUBLISHING LTD
资助机构China Post-doctoral Science Foundation ; Second Tibetan Plateau Scientific Expedition Research Program ; National Natural Science Foundation of China ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences
源URL[http://119.78.100.205/handle/311034/23688]  
专题中国科学院古脊椎动物与古人类研究所
通讯作者Yan, De -Fei
作者单位1.Nanjing Univ, Ctr Res & Educ Biol Evolut & Environm, Sch Earth Sci & Engn, Nanjing 210023, Peoples R China
2.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing 210008, Peoples R China
3.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China
4.Chinese Acad Sci, Key Lab Vertebrate Evolut & Human Origins, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China
5.Lanzhou Univ, Key Lab Mineral Resources Western China Gansu Prov, Lanzhou 730000, Peoples R China
6.Lanzhou Univ, Sch Earth Sci, Lanzhou 730000, Peoples R China
推荐引用方式
GB/T 7714		 Yang, Tao,Cai, Jia-Hao,Dai, Yan-Zhi,et al. Megafossils of Betulaceae from the Oligocene of Qaidam Basin and their paleoenvironmental and phytogeographic implications[J]. PLANT DIVERSITY,2024,46(1):101-115.
APA Yang, Tao.,Cai, Jia-Hao.,Dai, Yan-Zhi.,Chen, Hong -Yu.,Han, Lei.,...&Yan, De -Fei.(2024).Megafossils of Betulaceae from the Oligocene of Qaidam Basin and their paleoenvironmental and phytogeographic implications.PLANT DIVERSITY,46(1),101-115.
MLA Yang, Tao,et al."Megafossils of Betulaceae from the Oligocene of Qaidam Basin and their paleoenvironmental and phytogeographic implications".PLANT DIVERSITY 46.1(2024):101-115.

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来源：古脊椎动物与古人类研究所

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