Phylogeography of the finless porpoise (genus Neophocaena): testing the stepwise divergence hypothesis in the northwestern Pacific

W Lin; Celine H Frere; L Karcsmarski; J Xia; D Gui; Y Wu

doi:10.1038/srep06572

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Phylogeography of the finless porpoise (genus Neophocaena): testing the stepwise divergence hypothesis in the northwestern Pacific

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Phylogeography of the finless porpoise (genus Neophocaena): testing the stepwise divergence hypothesis in the northwestern Pacific

W Lin, Celine H Frere, L Karcsmarski, J Xia, D Gui and Y Wu

Scientific Reports, Vol.4(6572)

2014

DOI: https://doi.org/10.1038/srep06572

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Abstract

Biochemistry and Cell Biology

Other Physical Sciences

evolutionary genetics

evolutionary ecology

We used 344 mitochondrial control region (717 bp) sequences from the finless porpoise (genus Neophocaena) from the northwestern Pacific to investigate the extent and manner in which past climatic oscillations may have shaped patterns of genetic diversity for this marine mammal. Both SplitsTree and Analysis of Molecular Variance (AMOVA) revealed the presence of a deep divergence among N. phocaenoides in subtropical waters compared with N. asiaeorientalis in temperate waters. Results from Migrate-n indicated that migration increased along the continent during the early Pleistocene period. Migration increased, although to a lesser extent than that during the Pleistocene, along the marginal shelf in the Yellow/Bohai Sea during the Last Glacial Maximum (LGM) due to a shortening coastline. Our results suggest that the current patterns of genetic diversity of Neophocaena vary at a hierarchy on a temporal and spatial scale, and phylogeographic history should be taken into account when examining species population structure and taxonomy.

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Title: Phylogeography of the finless porpoise (genus Neophocaena): testing the stepwise divergence hypothesis in the northwestern Pacific
Authors: W Lin (Author) - Sun Yat-Sen University, China
Celine H Frere (Author) - University of Exeter, United Kingdom
L Karcsmarski (Author) - University of Hong Kong, Hong Kong
J Xia (Author) - Sun Yat-Sen University, China
D Gui (Author) - Sun Yat-Sen University, China
Y Wu (Author) - Sun Yat-Sen University, China
Publication details: Scientific Reports, Vol.4(6572)
Publisher: Nature Publishing Group
Date published: 2014
DOI: 10.1038/srep06572
ISSN: 2045-2322
Copyright note: Copyright ©. This work is licensed under a Creative Commons Attribution-NonCommercialNoDerivs 4.0 International License. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder in order to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/4.0/
Organisation Unit: School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
Language: English
Record Identifier: 99450184502621
Output Type: Journal article

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Web Of Science research areas: Evolutionary Biology

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