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The roles of climate, geography and natural selection as drivers of genetic and phenotypic differentiation in a widespread amphibian Hyla annectans (Anura: Hylidae)

Authors: Wei, Shichao; Li, Zitong; Momigliano, Paolo; Fu, Chao; Wu, Hua; Merilä, Juha;

The roles of climate, geography and natural selection as drivers of genetic and phenotypic differentiation in a widespread amphibian Hyla annectans (Anura: Hylidae)

Abstract

The role of geological events and Pleistocene climatic fluctuations as drivers of current patterns of genetic variation in extant species has been a topic of continued interest among evolutionary biologists. Nevertheless, comprehensive studies of widely distributed species are still rare, especially from Asia. Using geographically extensive sampling of many individuals and a large number of nuclear single nucleotide polymorphisms (SNPs), we studied the phylogeography and historical demography of Hyla annectans populations in southern China. Thirty-five sampled populations were grouped into seven clearly defined genetic clusters that closely match phenotype-based subspecies classification. These lineages diverged 2.32–5.23 million years ago, a timing that closely aligns with the rapid and drastic uplifting of the Qinghai-Tibet Plateau and adjacent southwest China. Demographic analyses and species distribution models indicate that different populations of this species have responded differently to past climatic changes. In the Hengduan Mountains, most populations experienced a bottleneck, whereas the populations located outside of the Hengduan Mountains have gradually declined in size since the end of the last glaciation. In addition, the levels of phenotypic and genetic divergence were strongly correlated across major clades. These results highlight the combined effects of geological events and past climatic fluctuations, as well as natural selection, as drivers of contemporary patterns of genetic and phenotypic variation in a widely distributed anuran in Asia.

'SNP_data_for_H.annectans' is the SNP data for Hyla annectans in vcf formats. Which is used for the phylogeney tree, genetic structure, genetic differentiation, demographic analyses. 'Morphological_data_info' are the statistic data of snout-vent length (SVL), weight and spots numbers used for morphological analyses and QST-FST comparison. 'SDM_input_ascii' are the SDM ascii files used for SDMs. 'SDM_locality_info' are the occurrence data points of five genetic clusters for the H. annectans.

Keywords

climatic fluctuations, Population Divergence

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    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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visibility
download
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
views
OpenAIRE UsageCountsViews provided by UsageCounts
downloads
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24
2
Funded by
AKA| Evolutionary and conservation genomics of rapid ecological speciation in the Baltic Sea
Project
  • Funder: Academy of Finland (AKA)
  • Project Code: 316294
,
AKA| Evolutionary Genetics of Adaptation in the Wild
Project
  • Funder: Academy of Finland (AKA)
  • Project Code: 218343
result:project:semrel
,
AKA| Centre of Excellence in Evolutionary Genetics and Physiology
Project
  • Funder: Academy of Finland (AKA)
  • Project Code: 129662
result:project:semrel
,
AKA| Evolutionary genetics of adaptation in the wild
Project
  • Funder: Academy of Finland (AKA)
  • Project Code: 134728
result:project:semrel
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