Arid
DOI10.1111/jbi.13385
Speciation in the mountains and dispersal by rivers: Molecular phylogeny of Eulamprus water skinks and the biogeography of Eastern Australia
Pepper, Mitzy1; Sumner, Joanna2; Brennan, Ian G.1; Hodges, Kate1,3; Lemmon, Alan R.4; Lemmon, Emily Moriarty4; Peterson, Garry5; Rabosky, Daniel L.6,7; Schwarzkopf, Lin8; Scott, Ian A. W.1,9; Shea, Glenn10; Keogh, J. Scott1
通讯作者Keogh, J. Scott
来源期刊JOURNAL OF BIOGEOGRAPHY
ISSN0305-0270
EISSN1365-2699
出版年2018
卷号45期号:9页码:2040-2052
英文摘要

Aim: To develop a robust phylogeny for the iconic Australian water skinks (Eulamprus) and to explore the influence of landscape evolution of eastern Australia on phylogeographic patterns.


Location: Eastern and south-eastern Australia.


Methods: We used Sanger methods to sequence a mitochondrial DNA (mtDNA) locus for 386 individuals across the five Eulamprus species to elucidate phylogeographic structure. We also sequenced a second mtDNA locus and four nuclear DNA (nDNA) loci for a subset of individuals to help inform our sampling strategy for next-generation sequencing. Finally, we generated an anchored hybrid enrichment (AHE) approach to sequence 378 loci for 25 individuals representing the major lineages identified in our Sanger dataset. These data were used to resolve the phylogenetic relationships among the species using coalescent-based species tree inference in *BEAST and ASTRAL.


Results: The relationships between Eulamprus species were resolved with a high level of confidence using our AHE dataset. In addition, our extensive mtDNA sampling revealed substantial phylogeographic structure in all species, with the exception of the geographically highly restricted E.leuraensis. Ratios of patristic distances (mtDNA/nDNA) indicate on average a 30-fold greater distance as estimated using the mtDNA locus ND4.


Main conclusions: The major divergences between lineages strongly support previously identified biogeographic barriers in eastern Australia based on studies of other taxa. These breaks appear to correlate with regions where the Great Escarpment is absent or obscure, suggesting topographic lowlands and the accompanying dry woodlands are a major barrier to dispersal for water skinks. While some river corridors, such as the Hunter Valley, were likely historically dry enough to inhibit the movement of Eulamprus populations, our data indicate that others, such as the Murray and Darling Rivers, are able to facilitate extensive gene flow through the vast arid and semi-arid lowlands of New South Wales and South Australia. Comparing the patristic distances between the mitochondrial and AHE datasets highlights the continued value in analysing both types of data.


英文关键词anchored hybrid enrichment Eastern Australia gene flow great dividing range Murray-Darling Basin Newer Volcanics Province
类型Article
语种英语
国家Australia ; USA ; New Zealand
收录类别SCI-E
WOS记录号WOS:000443394200006
WOS关键词LAST GLACIAL CYCLE ; MAXIMUM-LIKELIHOOD ; PHYLOGEOGRAPHIC STRUCTURE ; GENETIC DIVERSITY ; CLIMATIC-CHANGE ; WET TROPICS ; LIZARD ; EVOLUTION ; TAXA ; SCINCIDAE
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/2XILL650/210704
作者单位1.Australian Natl Univ, Res Sch Biol, Div Ecol & Evolut, Canberra, ACT, Australia;
2.Museums Victoria, Melbourne, Vic, Australia;
3.Queensland Dept Environm & Sci Ecosciences Precin, Water Planning Ecol, Brisbane, Qld, Australia;
4.Florida State Univ, Dept Biol Sci, Dept Sci Comp, B-157, Tallahassee, FL 32306 USA;
5.Dept Environm Land Water & Planning, Warrnambool, Vic, Australia;
6.Univ Michigan, Museum Zool, Ann Arbor, MI 48109 USA;
7.Univ Michigan, Dept Ecol & Evolutionary Biol, Ann Arbor, MI 48109 USA;
8.James Cook Univ, Coll Sci & Engn, Townsville, Qld, Australia;
9.New Zealand Inst Plant & Food Res, Private Bag 4704,Christchurch Mail Ctr, Christchurch, New Zealand;
10.Australian Museum, Sydney, NSW, Australia
推荐引用方式
GB/T 7714
Pepper, Mitzy,Sumner, Joanna,Brennan, Ian G.,et al. Speciation in the mountains and dispersal by rivers: Molecular phylogeny of Eulamprus water skinks and the biogeography of Eastern Australia[J],2018,45(9):2040-2052.
APA Pepper, Mitzy.,Sumner, Joanna.,Brennan, Ian G..,Hodges, Kate.,Lemmon, Alan R..,...&Keogh, J. Scott.(2018).Speciation in the mountains and dispersal by rivers: Molecular phylogeny of Eulamprus water skinks and the biogeography of Eastern Australia.JOURNAL OF BIOGEOGRAPHY,45(9),2040-2052.
MLA Pepper, Mitzy,et al."Speciation in the mountains and dispersal by rivers: Molecular phylogeny of Eulamprus water skinks and the biogeography of Eastern Australia".JOURNAL OF BIOGEOGRAPHY 45.9(2018):2040-2052.
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