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Phylogeographic analyses suggest that a deciduous species (Ostryopsis davidiana Decne., Betulaceae) survived in northern China during the Last Glacial Maximum

Publication ,  Journal Article
Tian, B; Liu, R; Wang, L; Qiu, Q; Chen, K; Liu, J
Published in: Journal of Biogeography.
November 2009

Palaeontologial data suggest that all temperate forest species in northern China migrated southwards during the Last Glacial Maximum (LGM) and recolonized post-glacially within the Holocene. We tested this assumption using phylogeographical studies of a temperate deciduous shrub species (Ostryopsis davidiana Decne., Betulaceae), which has a wide distribution in northern China. Northern China. We sequenced two chloroplast DNA (cpDNA) fragments (trnL-trnF and psbA-trnH, together about 1300 bp in length) of 294 plants from 21 populations across the total distribution range of this species. We used maximum parsimony and haplotype network methods to construct phylogenetic relationships among haplotypes. The analysis of cpDNA variation identified eight haplotypes. A single haplotype was fixed in all populations except for one population that was polymorphic, having two haplotypes. The population subdivisions were extremely high (GST = 0.972 and NST = 0.974), suggesting very low gene flow between populations. Haplotypes clustered into two tentative clades, both of which occur in the southern region of the species' range but only one of which occurs in the northern region. Across the sampled populations, the haplotype distributions were differentiated geographically. Our analyses suggest that multiple refugia were maintained across the range of O. davidiana in both northern (north of the Qing Mountains) and southern (south of the Qing Mountains) regions during the LGM rather than that the species survived only in the south and subsequently colonized northwards. The extremely low within-population diversity of this species suggests strong bottleneck or founder effects within each fragmented region during the Quaternary climatic oscillations. These findings provide important clues for understanding range shifts and changes in within- and/or between-population genetic diversity of temperate forests in response to past climatic oscillations in northern China.

Duke Scholars

Published In

Journal of Biogeography.

DOI

EISSN

1365-2699

ISSN

0305-0270

Publication Date

November 2009

Volume

36

Issue

11

Start / End Page

2148 / 2155

Related Subject Headings

  • Ecology
  • 41 Environmental sciences
  • 37 Earth sciences
  • 31 Biological sciences
  • 06 Biological Sciences
  • 05 Environmental Sciences
  • 04 Earth Sciences
 

Citation

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Tian, B., Liu, R., Wang, L., Qiu, Q., Chen, K., & Liu, J. (2009). Phylogeographic analyses suggest that a deciduous species (Ostryopsis davidiana Decne., Betulaceae) survived in northern China during the Last Glacial Maximum. Journal of Biogeography., 36(11), 2148–2155. https://doi.org/10.1111/j.1365-2699.2009.02157.x
Tian, Bin, Ruirui Liu, Liuyang Wang, Qiang Qiu, Kangming Chen, and Jianquan Liu. “Phylogeographic analyses suggest that a deciduous species (Ostryopsis davidiana Decne., Betulaceae) survived in northern China during the Last Glacial Maximum.” Journal of Biogeography. 36, no. 11 (November 2009): 2148–55. https://doi.org/10.1111/j.1365-2699.2009.02157.x.
Tian, Bin, et al. “Phylogeographic analyses suggest that a deciduous species (Ostryopsis davidiana Decne., Betulaceae) survived in northern China during the Last Glacial Maximum.” Journal of Biogeography., vol. 36, no. 11, Nov. 2009, pp. 2148–55. Epmc, doi:10.1111/j.1365-2699.2009.02157.x.
Journal cover image

Published In

Journal of Biogeography.

DOI

EISSN

1365-2699

ISSN

0305-0270

Publication Date

November 2009

Volume

36

Issue

11

Start / End Page

2148 / 2155

Related Subject Headings

  • Ecology
  • 41 Environmental sciences
  • 37 Earth sciences
  • 31 Biological sciences
  • 06 Biological Sciences
  • 05 Environmental Sciences
  • 04 Earth Sciences