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Infaunal response during the end-Permian mass extinction
Luo, Mao(罗茂)1,2,5,6; Buatois, Luis A.3; Shi, G. R.4; Chen, Zhong-Qiang4
2021
发表期刊GEOLOGICAL SOCIETY OF AMERICA BULLETIN
ISSN0016-7606
卷号133期号:1-2页码:91-99
摘要

The end-Permian mass extinction (EPME) profoundly shaped shallow marine ecosystems. Although much has been learned about this event based on the body-fossil record, the global infaunal response to the EPME, as represented by ichnofossils, is much less understood. Here we analyze secular changes in ichnodiversity and ichnodisparity from the late Permian to the Middle Triassic based on a global trace-fossil data set. Results show that, in contrast to the body-fossil record, late Permian global ichnodiversity and ichnodisparity maintained their level until the Griesbachian, followed by a sharp loss in the Dienerian. Notably, the Griesbachian shows an unusual dominance of shallower tiers. The discrepancy between the body- and trace-fossil record is interpreted to be the result of the resurgence of widespread microbial matgrounds in the Griesbachian that aided the preservation of surface, semi-infaunal, and shallow-tier ichnofossils. Our study shows that the EPME strongly affected the sediment mixed layer, allowing the preservation of shallower tier trace fossils. The disappearance of the mixed layer in the earliest Triassic may have enhanced pyrite burial in sediments and inhibited its further re-oxidation, therefore impacting sea water sulfate concentrations.

DOI10.1130/B35524.1
收录类别SCI
语种英语
关键词[WOS]TRIASSIC TRACE FOSSILS ; NORTHERN PERTH BASIN ; SOUTH CHINA IMPLICATIONS ; BIOTIC RECOVERY ; MARINE ECOSYSTEMS ; GEOBIOLOGIC FEATURES ; ENVIRONMENTAL-STRESS ; FAUNAL RECOVERY ; MIXED-LAYER ; AFTERMATH
资助项目Chinese Academy of Sciences Pioneer Hundred Talents Program[2018-039] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB26000000] ; Key Research Program of Frontier Sciences of the Chinese Academy of Sciences[QYZDY-SSW-DQC023] ; National Natural Science Foundation of China[41821001] ; National Natural Science Foundation of China[41830323] ; National Natural Science Foundation of China[41772007] ; National Natural Science Foundation of China[41930322] ; Australian Research Council[DP150100690]
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000618060000006
项目资助者Chinese Academy of Sciences Pioneer Hundred Talents Program ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Key Research Program of Frontier Sciences of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; Australian Research Council
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/332004/37836
专题中国科学院南京地质古生物研究所
通讯作者Luo, Mao(罗茂); Buatois, Luis A.
作者单位1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, 39 East Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China
2.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, 39 East Beijing Rd, Nanjing 210008, Peoples R China
3.Univ Saskatchewan, Dept Geol Sci, Saskatoon, SK S7N 5E2, Canada
4.Univ Wollongong, Sch Earth Atmospher & Life Sci, Northfields Ave, Wollongong, NSW 2522, Australia
5.China Univ Geosci Wuhan, State Key Lab Biogeol & Environm Geol, Wuhan 430074, Peoples R China
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
第一作者单位中国科学院南京地质古生物研究所
通讯作者单位中国科学院南京地质古生物研究所
推荐引用方式
GB/T 7714
Luo, Mao,Buatois, Luis A.,Shi, G. R.,et al. Infaunal response during the end-Permian mass extinction[J]. GEOLOGICAL SOCIETY OF AMERICA BULLETIN,2021,133(1-2):91-99.
APA Luo, Mao,Buatois, Luis A.,Shi, G. R.,&Chen, Zhong-Qiang.(2021).Infaunal response during the end-Permian mass extinction.GEOLOGICAL SOCIETY OF AMERICA BULLETIN,133(1-2),91-99.
MLA Luo, Mao,et al."Infaunal response during the end-Permian mass extinction".GEOLOGICAL SOCIETY OF AMERICA BULLETIN 133.1-2(2021):91-99.
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