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DOI10.1016/j.earscirev.2021.103743
Timing and patterns of the Great Ordovician Biodiversification Event and Late Ordovician mass extinction: Perspectives from South China
Deng Y.; Fan J.; Zhang S.; Fang X.; Chen Z.; Shi Y.; Wang H.; Wang X.; Yang J.; Hou X.; Wang Y.; Zhang Y.; Chen Q.; Yang A.; Fan R.; Dong S.; Xu H.; Shen S.
发表日期2021
ISSN0012-8297
卷号220
英文摘要The early Paleozoic sediments document two major biological events: the Great Ordovician Biodiversification Event (GOBE) and Late Ordovician mass extinction (LOME). Many investigations have focused on taxonomic richness patterns during these major diversification and extinction events, providing insights into their timings and potential causes. However, the coarse temporal resolutions used in previous investigations hampered their ability to document fine-scale patterns. To address these issues, we employed CONOP analysis to data collected from a large suite of southern Chinese stratigraphic successions to construct a high-resolution (temporal resolution of ~21.0 Kyr) regional chronostratigraphy and document species richness dynamics during the middle–late Cambrian to early Silurian interval. Our results showed that the GOBE began in the early Tremadocian and ended at the Dapingian–Darriwilian boundary and consisted of two major radiation phases. The main pulse of GOBE, which lasted from the late Floian to the earliest Darriwilian, exhibited a species richness increase with elevated origination and extinction rates. Major marine groups showed no significant diachroneity during the GOBE, with most presenting richness peaks in this event's main pulse of the GOBE. Plankton demonstrated a significant diversification from the late Cambrian to the GOBE climax and subsequently dominated the marine realm in South China. Marine life experienced two extinction events in the Late Ordovician, the Katian extinction and Hirnantian extinction, which resulted in a regional species loss of ~67%. © 2021
英文关键词CONOP; Early Paleozoic; GOBE; LOME; Species richness
语种英语
scopus关键词biodiversity; biostratigraphy; chronostratigraphy; mass extinction; Ordovician; paleoenvironment; species richness; China
来源期刊EARTH-SCIENCE REVIEWS
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/209226
作者单位State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology and Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, Nanjing, 210008, China; University of Science and Technology of China, Hefei, 230026, China; State Key Laboratory for Mineral Deposits Research, Nanjing University, Nanjing, 210023, China; School of Earth Sciences and Engineering and Frontiers Science Center for Critical Earth Material Cycling, Nanjing University, Nanjing, 210023, China; Shanghai Jiao Tong University, Shanghai, 200240, China; Research Institute of Petroleum Exploration & Development, PetroChina, Beijing, 100083, China
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GB/T 7714
Deng Y.,Fan J.,Zhang S.,et al. Timing and patterns of the Great Ordovician Biodiversification Event and Late Ordovician mass extinction: Perspectives from South China[J],2021,220.
APA Deng Y..,Fan J..,Zhang S..,Fang X..,Chen Z..,...&Shen S..(2021).Timing and patterns of the Great Ordovician Biodiversification Event and Late Ordovician mass extinction: Perspectives from South China.EARTH-SCIENCE REVIEWS,220.
MLA Deng Y.,et al."Timing and patterns of the Great Ordovician Biodiversification Event and Late Ordovician mass extinction: Perspectives from South China".EARTH-SCIENCE REVIEWS 220(2021).
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