气候变化领域集成服务门户(CCPortal): Evolutionary assembly of flowering plants into sky islands

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DOI	10.1038/s41559-021-01423-1
	Evolutionary assembly of flowering plants into sky islands
	Qian H.; Ricklefs R.E.; Thuiller W.
发表日期	2021
ISSN	2397-334X
起始页码	640
结束页码	646
卷号	5 期号:5
英文摘要	Alpine floras (plants in the vegetation belts above the climatic treelines) experience cold climates, particularly in temperate mountains during winter, but they are generally species-rich. Yet, biogeographers have not determined whether these floras represent evolutionarily independent but convergent assemblages drawn from their regional floras, or whether they originated from particular clades pre-adapted to harsh conditions. Here, we analyse the evolutionary relationships of angiosperm (flowering plant) species in 63 alpine floras worldwide (~7,000 species) in comparison with their regional floras (~94,000 species) and with the entire global flora. We find that each of the alpine floras represents an assemblage of more closely related species than their respective regional floras. The degree of phylogenetic clustering of species in alpine floras in tropical mountains exceeds that in temperate mountains. However, in relation to the global flora, temperate alpine floras are phylogenetically closely related subsets of floras that colonized cold temperate areas during interglacial periods. We conclude that alpine floras include a few dominant families that have evolved tolerance to low temperature, and that evolutionary niche conservatism explains their phylogenetic clustering, compared with species in their regional species pools. ? 2021, The Author(s), under exclusive licence to Springer Nature Limited.
语种	英语
scopus关键词	adaptation; angiosperm; evolution; genetics; human; island (geological); phylogeny; Adaptation, Physiological; Biological Evolution; Humans; Islands; Magnoliopsida; Phylogeny
来源期刊	Nature Ecology & Evolution
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/256965
作者单位	CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China; Research and Collections Center, Illinois State Museum, Springfield, IL, United States; Department of Biology, University of Missouri–St. Louis, St. Louis, MO, United States; Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, LECA, Laboratoire d’Ecologie Alpine, Grenoble, France
推荐引用方式 GB/T 7714	Qian H.,Ricklefs R.E.,Thuiller W.. Evolutionary assembly of flowering plants into sky islands[J],2021,5(5).
APA	Qian H.,Ricklefs R.E.,&Thuiller W..(2021).Evolutionary assembly of flowering plants into sky islands.Nature Ecology & Evolution,5(5).
MLA	Qian H.,et al."Evolutionary assembly of flowering plants into sky islands".Nature Ecology & Evolution 5.5(2021).