Long-Distance Dispersal after the Last Glacial Maximum (LGM) Led to the Disjunctive Distribution of Pedicularis kansuensis (Orobanchaceae) between the Qinghai-Tibetan Plateau and Tianshan Region
Li, Wen-Jun1,2; Sui, Xiao-Lin3; Kuss, Patrick4; Liu, Yan-Yan1; Li, Ai-Rong3; Guan, Kai-Yun1,3
2016-11-02
Source PublicationPLOS ONE
Volume11Issue:11Pages:0165700
AbstractQuaternary climate fluctuations have profoundly affected the current distribution patterns and genetic structures of many plant and animal species in the Qinghai-Tibetan Plateau (QTP) and adjacent mountain ranges, e.g. Tianshan (TSR), Altay, etc. In this greater area disjunct distributions are prominent but have nevertheless received little attention with respect to the historical processes involved. Here, we focus on Pedicularis kansuensis to test whether the current QTP and TSR disjunction is the result of a recent Holocene range expansion involving dispersal across arid land bridge(s) or a Pleistocene range fragmentation involving persistence in refugia. Two chloroplast DNA spacers were sequenced for 319 individuals from 34 populations covering the entire distribution range of this species in China. We found a total of 17 haplotypes of which all occurred in the QTP, and only five in the TSR. Overall genetic diversity was high (H-T = 0.882, H-S = 0.559) and higher in the QTP than in the TSR. Genetic differentiation among regions and populations was relatively low (G(ST) = 0.366) and little evidence for a phylogeographic pattern emerged. The divergence times for the four main lineages could be dated to the early Pleistocene. Surprisingly, the two ubiquitous haplotypes diverged just before or around the Last Glacial Maximum (LGM) and were found in different phylogenetic lineages. The Species Distribution Model suggested a disappearance of P. kansuensis from the TSR during the LGM in contrast to a relatively constant potential distribution in the QTP. We conclude that P. kansuensis colonized the TSR after the LGM. The improbable long-distance dispersal by wind or water across arid land seed flow may well have had birds or men as vector.
DOI10.1371/journal.pone.0165700
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000386715500050
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/33669
Collection中国科学院东亚植物多样性与生物地理学重点实验室
Affiliation1.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, Key Lab Biogeog & Bioresource Arid Land, Urumqi 830011, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Yunnan Key Lab Res & Dev Wild Plant Resources, Kunming 650201, Peoples R China
4.Univ Zurich, Inst Systemat & Evolutionary Bot, CH-8008 Zurich, Switzerland
Recommended Citation
GB/T 7714
Li, Wen-Jun,Sui, Xiao-Lin,Kuss, Patrick,et al. Long-Distance Dispersal after the Last Glacial Maximum (LGM) Led to the Disjunctive Distribution of Pedicularis kansuensis (Orobanchaceae) between the Qinghai-Tibetan Plateau and Tianshan Region[J]. PLOS ONE,2016,11(11):0165700.
APA Li, Wen-Jun,Sui, Xiao-Lin,Kuss, Patrick,Liu, Yan-Yan,Li, Ai-Rong,&Guan, Kai-Yun.(2016).Long-Distance Dispersal after the Last Glacial Maximum (LGM) Led to the Disjunctive Distribution of Pedicularis kansuensis (Orobanchaceae) between the Qinghai-Tibetan Plateau and Tianshan Region.PLOS ONE,11(11),0165700.
MLA Li, Wen-Jun,et al."Long-Distance Dispersal after the Last Glacial Maximum (LGM) Led to the Disjunctive Distribution of Pedicularis kansuensis (Orobanchaceae) between the Qinghai-Tibetan Plateau and Tianshan Region".PLOS ONE 11.11(2016):0165700.
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