Arid
DOI10.1111/jbi.12739
Concordance in phylogeography and ecological niche modelling identify dispersal corridors for reptiles in arid Australia
Melville, Jane1; Haines, Margaret L.1; Hale, Joshua1; Chapple, Stephanie1; Ritchie, Euan G.2,3
通讯作者Melville, Jane
来源期刊JOURNAL OF BIOGEOGRAPHY
ISSN0305-0270
EISSN1365-2699
出版年2016
卷号43期号:9页码:1844-1855
英文摘要

AimUsing the rock-specialist agamid Ctenophorus caudicinctus as a model, we test hypothesized biogeographical dispersal corridors for lizards in the Australian arid zone (across the western sand deserts), and assess how these dispersal routes have shaped phylogeographical structuring.


LocationArid and semi-arid Australia.


MethodsWe sequenced a c.1400bp fragment of mtDNA (ND2) for 134 individuals of C. caudicinctus as well as a subset of each of the mtDNA clades for five nuclear loci (BDNF, BACH1, GAPD, NTF3, and PRLR). We used phylogenetic methods to assess biogeographical patterns within C. caudicinctus, including relaxed molecular clock analyses to estimate divergence times. Ecological niche modelling (Maxent) was employed to estimate the current distribution of suitable climatic envelopes for each lineage.


ResultsPhylogenetic analyses identified two deeply divergent mtDNA clades within C. caudicinctus - an eastern and western clade - separated by the Western Australian sand deserts. However, divergences pre-date the Pleistocene sand deserts. Phylogenetic analyses of the nuclear DNA data sets generally support major mtDNA clades, suggesting past connections between the western C. c. caudicinctus populations in far eastern Pilbara (EP) and the lineages to the east of the sand deserts. Ecological niche modelling supports the continued suitability of climatic conditions between the Central Ranges and the far EP for C. c. graafi.


Main conclusionsEstimates of lineage ages provide evidence of divergence between eastern and western clades during the Miocene with subsequent secondary contact during the Pliocene. Our results suggest that this secondary contact occurred via dispersal between the Central Ranges and the far EP, rather than the more southerly Giles Corridor. These events precede the origins of the western sand deserts and divergence patterns instead appear associated with Miocene and Pliocene climate change.


英文关键词Agamidae Australia Ctenophorus caudicinctus desert lizards dispersal corridors phylogeography
类型Article
语种英语
国家Australia
收录类别SCI-E
WOS记录号WOS:000383536300014
WOS关键词DIVERSIFICATION ; PHYLOGENIES ; EVOLUTION ; INFERENCE
WOS类目Ecology ; Geography, Physical
WOS研究方向Environmental Sciences & Ecology ; Physical Geography
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/194264
作者单位1.Museum Victoria, Dept Sci, GPO Box 666, Melbourne, Vic 3001, Australia;
2.Deakin Univ, Geelong, Vic, Australia;
3.Ctr Integrat Ecol, Sch Life & Environm Sci, Burwood Campus,221 Burwood Highway, Burwood, Vic 3125, Australia
推荐引用方式
GB/T 7714
Melville, Jane,Haines, Margaret L.,Hale, Joshua,et al. Concordance in phylogeography and ecological niche modelling identify dispersal corridors for reptiles in arid Australia[J],2016,43(9):1844-1855.
APA Melville, Jane,Haines, Margaret L.,Hale, Joshua,Chapple, Stephanie,&Ritchie, Euan G..(2016).Concordance in phylogeography and ecological niche modelling identify dispersal corridors for reptiles in arid Australia.JOURNAL OF BIOGEOGRAPHY,43(9),1844-1855.
MLA Melville, Jane,et al."Concordance in phylogeography and ecological niche modelling identify dispersal corridors for reptiles in arid Australia".JOURNAL OF BIOGEOGRAPHY 43.9(2016):1844-1855.
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