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首页> 外文期刊>Comptes rendus. Palevol >Influence of short- and long-term climatic cycles on floristic change across the Eocene-Oligocene boundary in the Ebro Basin (Catalonia, Spain)
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Influence of short- and long-term climatic cycles on floristic change across the Eocene-Oligocene boundary in the Ebro Basin (Catalonia, Spain)

机译：短期和长期气候周期对埃布罗盆地植物 - 寡核苷界植物变化的影响（加泰罗尼亚，西班牙）

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摘要

The Eocene-Oligocene transition (EOT) climatic turnover is modelled in the Ebro Basin using CLAMP and analysing the Sarral (Priabonian) and the Cervera (Rupelian) floras. The results show a drop of temperature and an increase in seasonality and precipitation. The changes in temperature and seasonality follow the trend described for the EOT in southern Europe; however, the increase in precipitation is the opposite of what would be expected. This increase might be related to the stratigraphic location of the Sarral Priabonian leaf bed within a dry stage of a precession cycle, whereas the Cervera Rupelian leaf bed would be located within the wet stage of a similar cycle. CLAMP combined with sedimentology, taphonomy and palaeoecology reveals that precession cycles would produce a shift in the habitat of certain plants during the EOT, with the Lauraceae being limited to riparian communities during the Priabonian of Sarral to grow in small laurisilvas during the Rupelian of Cervera. (C) 2019 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.
机译：使用夹具和分析SARRAL（价格）和CERVERA（Rupelian）植物，在eChro盆地中建模的群岛 - 寡核苷酸过渡（EOT）气候营业额在eBro盆地中进行建模。结果显示出季节性和降水量的温度和增加。温度和季节性的变化遵循南欧埃托特描述的趋势;然而，降水量的增加与预期的相反。这种增加可能与SARRALICONENIAN叶床的地层位置有关，在一种先进的循环的干燥阶段，而CERVERA卢比叶床将位于类似循环的湿阶段。 Clamp结合沉积物，TaphOnaly和古生学揭示了进肠循环会在EOT期间产生某些植物的栖息地的转变，Lauraceae仅限于在Cervera的卢旺尼人的小劳里斯利亚的小洛丽撒西亚人中生长。 （c）2019年Academie Des Sciences。由Elsevier Masson SA出版。版权所有。

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  • 来源
    《Comptes rendus. Palevol》 |2019年第8期|共23页
  • 作者

    Tosal Aixa; Valero Luis; Sanjuan Josep; Martin-Closas Carles;

  • 作者单位

    Univ Barcelona Dept Dinam Terra &

    Ocea Fac Ciencies Terra Inst Recerca Biodiversitat IRBio E-08028 Barcelona Catalonia Spain;

    Univ Autonoma Barcelona Fac Ciencies Dept Geol Bellaterra 08193 Catalonia Spain;

    Univ Barcelona Dept Dinam Terra &

    Ocea Fac Ciencies Terra Inst Recerca Biodiversitat IRBio E-08028 Barcelona Catalonia Spain;

    Univ Barcelona Dept Dinam Terra &

    Ocea Fac Ciencies Terra Inst Recerca Biodiversitat IRBio E-08028 Barcelona Catalonia Spain;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 古生物学;
  • 关键词

    Cenozoic; Grande Coupure; Vegetation; Lacustrine deposits; Orbital forcing;

    机译：新生代;格兰德特遣队;植被;湖泊沉积物;轨道强迫;

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