Arid
DOI10.1111/jbi.12364
Contrasting patterns of persistence and diversification in vicars of a widespread Australian lizard lineage (the Oedura marmorata complex)
Oliver, Paul M.1,2; Smith, Katie L.2; Laver, Rebecca J.1,2; Doughty, Paul3; Adams, Mark4,5
通讯作者Oliver, Paul M.
来源期刊JOURNAL OF BIOGEOGRAPHY
ISSN0305-0270
EISSN1365-2699
出版年2014
卷号41期号:11页码:2068-2079
英文摘要

AimLineages in many parts of the world have distributions that have been shaped by range contraction in the face of deteriorating climatic conditions through the Neogene. When such lineages now consist of widely spaced vicariant populations (vicars) they provide opportunities (1) to compare and contrast the timing and pattern of diversification within and between major geographical regions, and (2) to examine how differential interactions with geography, climate and localized adaptation may have shaped idiosyncratic patterns of genetic diversification.


LocationAustralian Arid Zone (AAZ) and Australian Monsoonal Tropics (AMT).


MethodsWe compiled and analysed mitochondrial DNA, nuclear DNA and allozyme datasets to determine the evolutionary history and genetic diversity of isolated populations of a gecko lineage (the Oedura marmorata complex and related taxa) distributed across the Australian monsoonal and arid biomes.


ResultsThree widely allopatric lineages in the AAZ diverged during the late Miocene and Plio-Pleistocene. Populations in the AMT display much greater genetic turnover than those in the AAZ over equivalent geographical distances, and also include several lineages that are of equal or greater age than all diversity in the AAZ. Saxicoline lineages tend to show higher genetic diversity and/or have more restricted ranges than arboreal relatives in both biomes.


Main conclusionsLineages of Oedura show contrasting patterns of diversification in the two major biomes they inhabit. Diversity in the arid biome is younger and restricted to widely separated refugia, reflecting the younger age and pervasive harshness of this environment. Higher diversity in the AMT is also indicative of persistence, but at much finer geographical scales and broadly over a longer period of time, perhaps reflecting the more continuous spatial and temporal distribution of equitable habitats within this region. Finally, the wider distribution of arboreal lineages in both biomes suggests that ecological flexibility has also shaped the contrasting patterns of distribution in related lineages, and supports the contention that an association with rocks has shaped high lineage diversity in many taxa from the Australian Monsoonal Tropics.


英文关键词Arboreal aridification Australian Monsoonal Tropics ecological diversification evolutionary ecology molecular phylogeny palaeoclimatic change phylogeography saxicoline
类型Article
语种英语
国家Australia
收录类别SCI-E
WOS记录号WOS:000343867200006
WOS关键词PHYLOGEOGRAPHIC STRUCTURE ; MAXIMUM-LIKELIHOOD ; WESTERN-AUSTRALIA ; MONSOON TROPICS ; EVOLUTION ; BARRIERS ; BIOGEOGRAPHY ; SYSTEMATICS ; ZONE ; DIPLODACTYLIDAE
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/2XILL650/183136
作者单位1.Univ Melbourne, Dept Zool, Parkville, Vic 3052, Australia;
2.Museum Victoria, Dept Sci, Melbourne, Vic 3001, Australia;
3.Western Australian Museum, Dept Terr Zool, Welshpool, WA 6106, Australia;
4.S Australian Museum, Evolutionary Biol Unit, Adelaide, SA 5000, Australia;
5.Univ Adelaide, Sch Earth & Environm Sci, Adelaide, SA 5005, Australia
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Oliver, Paul M.,Smith, Katie L.,Laver, Rebecca J.,et al. Contrasting patterns of persistence and diversification in vicars of a widespread Australian lizard lineage (the Oedura marmorata complex)[J],2014,41(11):2068-2079.
APA Oliver, Paul M.,Smith, Katie L.,Laver, Rebecca J.,Doughty, Paul,&Adams, Mark.(2014).Contrasting patterns of persistence and diversification in vicars of a widespread Australian lizard lineage (the Oedura marmorata complex).JOURNAL OF BIOGEOGRAPHY,41(11),2068-2079.
MLA Oliver, Paul M.,et al."Contrasting patterns of persistence and diversification in vicars of a widespread Australian lizard lineage (the Oedura marmorata complex)".JOURNAL OF BIOGEOGRAPHY 41.11(2014):2068-2079.
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