Evolutionary assembly of flowering plants into sky islands

doi:10.1038/s41559-021-01423-1

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	Evolutionary assembly of flowering plants into sky islands
	Qian,Hong ; Ricklefs,Robert E.; Thuiller,Wilfried
	2021
Source Publication	NATURE ECOLOGY & EVOLUTION
ISSN	2397-334X
Volume	5 Issue:5 Pages:640-646
Abstract	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 (similar to 7,000 species) in comparison with their regional floras (similar to 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.By analysing the evolutionary relationships of angiosperm species in 63 alpine floras worldwide, the authors find that each of the alpine floras represents an assemblage of more closely related species compared with their respective regional floras.
DOI	10.1038/s41559-021-01423-1
WOS ID	WOS:000634644200002
Citation statistics
Document Type	期刊论文
Identifier	http://ir.kib.ac.cn/handle/151853/73358
Collection	中国科学院昆明植物研究所
Affiliation	1.Chinese Acad Sci, Kunming Inst Bot, CAS Key Lab Plant Divers & Biogeog East Asia, Kunming, Yunnan, Peoples R China 2.Illinois State Museum, Res & Collect Ctr, Springfield, IL 62706 USA 3.Ricklefs, Robert E.] Univ Missouri, Dept Biol, 8001 Nat Bridge Rd, St Louis, MO 63121 USA 4.Univ Grenoble Alpes, Univ Savoie Mt Blanc, CNRS, LECA,Lab Ecol Alpine, Grenoble, France
Recommended Citation GB/T 7714	Qian,Hong,Ricklefs,Robert E.,Thuiller,Wilfried. Evolutionary assembly of flowering plants into sky islands[J]. NATURE ECOLOGY & EVOLUTION,2021,5(5):640-646.
APA	Qian,Hong,Ricklefs,Robert E.,&Thuiller,Wilfried.(2021).Evolutionary assembly of flowering plants into sky islands.NATURE ECOLOGY & EVOLUTION,5(5),640-646.
MLA	Qian,Hong,et al."Evolutionary assembly of flowering plants into sky islands".NATURE ECOLOGY & EVOLUTION 5.5(2021):640-646.

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