Preprints
https://doi.org/10.5194/sed-7-2445-2015
https://doi.org/10.5194/sed-7-2445-2015
27 Aug 2015
 | 27 Aug 2015
Status: this preprint was under review for the journal SE but the revision was not accepted.

Neogene tectonics and climate forcing of carnivora dispersals between Asia and North America

H. Jiang, T. Deng, Y. Li, and H. Xu

Abstract. Exchange records of terrestrial mammals can be combined with available tectonic and climatic documents to evaluate major biological and environmental events. Previous studies identified four carnivoran dispersals between Eurasia and North America in the Neogene, namely, at ∼ 20, 13–11, 8–7, and ∼ 4 Ma. In order to evaluate driving mechanism of these biological events, we collected, compared and analyzed a large number of published records. The results indicate that the carnivoran dispersal from Eurasia to North America at ∼ 20 Ma was probably caused by intense tectonic movements in Asia. During 13–11 Ma, global cooling possibly drove the mammal exchanges between Eurasia and North America. By comparison, the carnivoran dispersal from Eurasia to North America at 8–7 Ma was probably caused by the combination of global cooling and tectonic movements of the Tibetan Plateau. Similar to during 13–11 Ma, the carnivoran exchanges between Eurasia and North America at ∼ 4 Ma were possibly driven by global cooling.

Publisher's note: Copernicus Publications remains neutral with regard to jurisdictional claims made in the text, published maps, institutional affiliations, or any other geographical representation in this preprint. The responsibility to include appropriate place names lies with the authors.
H. Jiang, T. Deng, Y. Li, and H. Xu
 
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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement
H. Jiang, T. Deng, Y. Li, and H. Xu
H. Jiang, T. Deng, Y. Li, and H. Xu

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Short summary
Tectonics and climate forcing of carnivora dispersals between Asia and North America at ~20 Ma, 13-11 Ma, 8-7 Ma, and ~4 Ma, respectively.