干旱区生态环境知识资源中心(Arid): Life in the dead heart of Australia: The geohistory of the Australian deserts and its impact on genetic diversity of arid zone lizards

Arid

DOI	10.1111/jbi.14063
	Life in the dead heart of Australia: The geohistory of the Australian deserts and its impact on genetic diversity of arid zone lizards
	Pepper, Mitzy; Keogh, J. Scott
通讯作者	Pepper, M (corresponding author), Australian Natl Univ, Res Sch Biol, Div Ecol & Evolut, Canberra, ACT 2600, Australia.
来源期刊	JOURNAL OF BIOGEOGRAPHY
ISSN	0305-0270
EISSN	1365-2699
出版年	2021
卷号	48 期号:4 页码:716-746
英文摘要	Aim The Australian deserts are home to a remarkable diversity of taxa that might appear to have evolved in the absence of topographic and physical barriers to dispersal. In fact this is a biogeographical illusion, as the dunefields of the modern arid zone obscure the fossil landscapes of the wet desert that existed for much of the Cenozoic. As the geohistory of Australia's arid zone is not widely understood by biologists, we review its geological development and contemporary landscapes in an accessible way, and describe eight biogeographical hypotheses centred on how geomorphology, evolutionary history and contemporary ecological factors interact to shape diversification patterns in the desert lowlands. Location Australia. Taxon Lizards. Methods We review the arid zone landscapes before and after the development of the vast dunefields. As lizards represent a significant component of genetic studies that sample widely across the arid biome, we focus on this taxonomic group to establish emerging patterns. Results Recent geological work suggests that the dunefields never formed extensive mobile landscapes such as in the Sahara, but rather were a mosaic of vegetated and stable dune surfaces with scattered bare, mobile patches. Large fluvial systems in the eastern arid zone during the Pleistocene also are at odds with the general perception of an arid landscape during this time. Incorporating this geohistorical insight, understanding where landscape heterogeneity is greatest within the arid zone, and where relative homogeneity might facilitate connectivity and gene flow, are at the heart of our biogeographic hypotheses. Main conclusions Patterns are emerging that reflect the underlying influence of geomorphological processes on the genetic structure of Australian desert taxa. Quantifying finer-scale edaphic complexity across the arid zone, widespread genetic sampling from disparate taxonomic groups, and a more detailed understanding of species ecology and life history will greatly improve our understanding of the ecological and historical drivers of diversity gradients in the Australian deserts.
英文关键词	aridification biogeography endemism geological history geomorphology phylogeography sympatric sister pairs
类型	Article
语种	英语
开放获取类型	Bronze
收录类别	SCI-E
WOS记录号	WOS:000621092200001
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/2XILL650/350740
作者单位	[Pepper, Mitzy; Keogh, J. Scott] Australian Natl Univ, Res Sch Biol, Div Ecol & Evolut, Canberra, ACT 2600, Australia
推荐引用方式 GB/T 7714	Pepper, Mitzy,Keogh, J. Scott. Life in the dead heart of Australia: The geohistory of the Australian deserts and its impact on genetic diversity of arid zone lizards[J],2021,48(4):716-746.
APA	Pepper, Mitzy,&Keogh, J. Scott.(2021).Life in the dead heart of Australia: The geohistory of the Australian deserts and its impact on genetic diversity of arid zone lizards.JOURNAL OF BIOGEOGRAPHY,48(4),716-746.
MLA	Pepper, Mitzy,et al."Life in the dead heart of Australia: The geohistory of the Australian deserts and its impact on genetic diversity of arid zone lizards".JOURNAL OF BIOGEOGRAPHY 48.4(2021):716-746.