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Recovery of lacustrine ecosystems after the end-Permian mass extinction
Zhao, Xiangdong1,2,3; Zheng, Daran1,2,4; Xie, Guwei5,6,7; Jenkyns, Hugh C.8; Guan, Chengguo1,2; Fang, Yanan1,2; He, Jing5; Yuan, Xiaoqi5; Xue, Naihua (薛乃华)1,2,3; Wang, He (王贺)1,2,3
2020-06-01
发表期刊GEOLOGY
ISSN0091-7613
卷号48期号:6页码:609-613
摘要

The end-Permian mass extinction (EPME; ca. 252 Ma) led to profound changes in lacustrine ecosystems. However, whether or not post-extinction recovery of lacustrine ecosystems was delayed has remained uncertain, due to the apparent rarity of Early . and Middle Triassic deep perennial lakes. Here we report on mid-Middle Triassic lacustrine organic-rich shales with abundant fossils and tuff interlayers in the Ordos Basin of China, dated to ca. 242 Ma (around the A nisian-Ladinian boundary of the Middle Triassic). The organic-rich sediments record the earliest known appearance, after the mass extinction, of a deep perennial lake that developed at least 5 m.y. earlier than the globally distributed lacustrine shales and mudstones dated as Late Triassic. The fossil assemblage in the organic-rich sediments is diverse and includes plants, notostracans, ostracods, insects, fishes, and fish coprolites, and thus documents a Mesozoic-type, trophically multileveled lacustrine ecosystem. The results reveal the earliest known complex lacustrine ecosystem after the EPME and suggest that Triassic lacustrine ecosystems took at most 10 m.y. to recover fully, which is consistent with the termination of the "coal gap" that signifies substantial restoration of peat-forming forests.

DOI10.1130/G47502.1
收录类别SCI
语种英语
关键词[WOS]ORDOS BASIN ; YANCHANG FORMATION ; PRODUCTIVITY
资助项目Strategic Priority Research Program of the Chinese Academy of Sciences[XDB26000000] ; National Natural Science Foundation of China[41688103] ; National Natural Science Foundation of China[41730317]
WOS研究方向Geology
WOS类目Geology
WOS记录号WOS:000539742900016
项目资助者Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China
出版者GEOLOGICAL SOC AMER, INC
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/32015
专题中国科学院南京地质古生物研究所
通讯作者Wang, Bo (王博)
作者单位1.Chinese Acad Sci, State Key Lab Palaeobiol & Stratig, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing 210008, Peoples R China
3.Univ Sci & Technol China, Hefei 230026, Peoples R China
4.Univ Hong Kong, Dept Earth Sci, Hong Kong 999077, Peoples R China
5.PetroChina, Changqing Oilfield Co, Res Inst Explorat & Dev, Xian 710018, Shaanxi, Peoples R China
6.PetroChina, Changqing Oilfield Co, Natl Engn Lab Explorat & Dev Low Permeabil Oil &, Xian 710018, Shaanxi, Peoples R China
7.Northwest Univ, Dept Geol, Xian 710069, Peoples R China
8.Univ Oxford, Dept Earth Sci, Oxford OX1 3AN, England
9.Nat Hist Museum, Dept Earth Sci, London SW7 5BD, England
推荐引用方式
GB/T 7714
Zhao, Xiangdong,Zheng, Daran,Xie, Guwei,et al. Recovery of lacustrine ecosystems after the end-Permian mass extinction[J]. GEOLOGY,2020,48(6):609-613.
APA Zhao, Xiangdong.,Zheng, Daran.,Xie, Guwei.,Jenkyns, Hugh C..,Guan, Chengguo.,...&Wang, Bo .(2020).Recovery of lacustrine ecosystems after the end-Permian mass extinction.GEOLOGY,48(6),609-613.
MLA Zhao, Xiangdong,et al."Recovery of lacustrine ecosystems after the end-Permian mass extinction".GEOLOGY 48.6(2020):609-613.
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