globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2014.11.012
论文题名:
The first report of a Campanian palaeo-wildfire in the West Antarctic Peninsula
作者: Manfroi J.; Dutra T.L.; Gnaedinger S.; Uhl D.; Jasper A.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2015
卷: 418
起始页码: 12
结束页码: 18
语种: 英语
英文关键词: Coniferous wood ; Macroscopic charcoal ; Rip Point ; South Shetland Islands ; Volcanic events
英文摘要: The analysis of palaeofloras and the related palaeoecological conditions is of great importance for the understanding of past environmental and palaeoclimatic events in Antarctica. At the end of the Cretaceous, subtropical forests developed there because of wet and temperate climate conditions. On the Antarctic Peninsula, which is geologically characterized by a forearc context, volcanic activity caused by tectonics favours the ignition of vegetation fires. In the present study, the occurrence of palaeo-wildfires during the Upper Cretaceous is demonstrated for the Rip Point outcrop on Nelson Island, South Shetland Islands. During Brazilian expeditions to the area, macroscopic charcoal was collected and subsequently analysed under a stereomicroscope and scanning electron microscope (SEM). The charred wood remains were identified as belonging to conifers, which were important components of the Antarctic palaeoflora during the Cretaceous. A review of the data published thus far regarding palaeo-wildfires in the Southern Hemisphere confirms that the charcoal remains analysed here are the first to verify the occurrence of palaeo-wildfires in the upper Campanian levels of the West Antarctic Peninsula. © 2014 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/69073
Appears in Collections:过去全球变化的重建

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作者单位: Universidade do Vale do Rio dos Sinos, UNISINOS, São Leopoldo, Rio Grande do Sul, Brazil; Centro Universitário UNIVATES, Lajeado, Rio Grande do Sul, Brazil; Centro de Ecologia Aplicada del Litoral-Area de Paleontologia (CECOAL), Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET), Facultad de Ciencias Exactas y Naturales y Agrimensura Universidad Nacional del Nordeste FACENA-UNNE, Corrientes, Argentina; Senckenberg Forschungsinstitut und Naturmuseum, Frankfurt am Main, Germany; Senckenberg Center for Human Evolution and Palaeoenvironment, Institut für Geowissenschaften, Universität Tübingen, Tübingen, Germany

Recommended Citation:
Manfroi J.,Dutra T.L.,Gnaedinger S.,et al. The first report of a Campanian palaeo-wildfire in the West Antarctic Peninsula[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2015-01-01,418
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