DOI: 10.1038/ngeo1667
论文题名: Climatic and biotic upheavals following the end-Permian mass extinction
作者: Romano C. ; Goudemand N. ; Vennemann T.W. ; Ware D. ; Schneebeli-Hermann E. ; Hochuli P.A. ; Brühwiler T. ; Brinkmann W. ; Bucher H.
刊名: Nature Geoscience
ISSN: 17520894
出版年: 2013
卷: 6, 期: 1 起始页码: 57
结束页码: 60
语种: 英语
Scopus关键词: benthic foraminifera
; carbon cycle
; carbon dioxide
; cephalopod
; eel
; fossil record
; isotopic composition
; mass extinction
; oxygen isotope
; Permian
; Triassic
; Ammonoidea
; Foraminifera
英文摘要: Recovery from the end-Permian mass extinction is frequently described as delayed, with complex ecological communities typically not found in the fossil record until the Middle Triassic epoch. However, the taxonomic diversity of a number of marine groups, ranging from ammonoids to benthic foraminifera, peaked rapidly in the Early Triassic. These variations in biodiversity occur amidst pronounced excursions in the carbon isotope record, which are compatible with episodes of massive CO 2 outgassing from the Siberian Large Igneous Province. Here we present a high-resolution Early Triassic temperature record based on the oxygen isotope composition of pristine apatite from fossil conodonts. Our reconstruction shows that the beginning of the Smithian substage of the Early Triassic was marked by a cooler climate, followed by an interval of warmth lasting until the Spathian substage boundary. Cooler conditions resumed in the Spathian. We find the greatest increases in taxonomic diversity during the cooler phases of the early Smithian and early Spathian. In contrast, a period of extreme warmth in the middle and late Smithian was associated with floral ecological change and high faunal taxonomic turnover in the ocean. We suggest that climate upheaval and carbon-cycle perturbations due to volcanic outgassing were important drivers of Early Triassic biotic recovery. © 2013 Macmillan Publishers Limited. All rights reserved. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/106908
Appears in Collections: 气候减缓与适应 科学计划与规划
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作者单位: Palaeontological Institute and Museum, University of Zurich, Karl Schmid-Strasse 4, 8006 Zurich, Switzerland; Institute of Mineralogy and Geochemistry, University of Lausanne, Anthropole, 1015 Lausanne, Switzerland; Palaeoecology, Laboratory of Palaeobotany and Palynology, Utrecht University, Budapestlaan 4, 3584 CD Utrecht, Netherlands; Department of Earth Sciences, ETH Zürich, Sonneggstrasse 5, 8092 Zurich, Switzerland
Recommended Citation:
Romano C.,Goudemand N.,Vennemann T.W.,et al. Climatic and biotic upheavals following the end-Permian mass extinction[J]. Nature Geoscience,2013-01-01,6(1)