Geophysical, evolutionary and ecological processes interact to drive phylogenetic dispersion in angiosperm assemblages along the longest elevational gradient in the world

doi:10.1093/botlinnean/boz030

	Geophysical, evolutionary and ecological processes interact to drive phylogenetic dispersion in angiosperm assemblages along the longest elevational gradient in the world
	Qian, Hong 1; Sandel, Brody 2; Deng, Tao3 ; Vetaas, Ole R.4
通讯作者	Qian, Hong(hqian@museum.state.il.us) ; Deng, Tao(dengtao@mail.kib.ac.cn)
	2019-08-01
发表期刊	BOTANICAL JOURNAL OF THE LINNEAN SOCIETY
ISSN	0024-4074
卷号	190 期号:4 页码:333-344
摘要	Ecologists have embraced phylogenetic measures of assemblage structure, in large part for the promise of better mechanistic inferences. However, phylogenetic structure is driven by a wide array of factors from local biotic interactions to biogeographical history, complicating the mechanistic interpretation of a pattern. This may be particularly problematic along elevational gradients, where rapidly changing physical and biological conditions overlap with geological and biogeographical history, potentially producing complex patterns of phylogenetic dispersion (relatedness). We focus on the longest elevational gradient of vegetation in the world (i.e. c. 6000 m in Nepal) to explore patterns of phylogenetic dispersion for angiosperms (flowering plants) along this elevational gradient. We used the net relatedness index to quantify phylogenetic dispersion for each elevational band of 100 m. We found a zig-zag pattern of phylogenetic dispersion along this elevational gradient. With increasing elevation, the phylogenetic relatedness of species decreased for the elevational segment between 0 and c. 2100 m, increased for the elevational segment between 2100 and c. 4200 m, and decreased for the elevational segment above c. 4200 m. We consider this pattern to be a result of the interaction of geophysical (e.g. plate tectonics) and eco-evolutionary processes (e.g. niche conservatism and trait convergence). We speculate on the mechanisms that might have generated this zig-zag pattern of phylogenetic dispersion.
关键词	angiosperms environmental gradient Himalayas phylogenetic relatedness
DOI	10.1093/botlinnean/boz030
收录类别	SCI
语种	英语
WOS记录号	WOS:000482418900001
引用统计	被引频次：21[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/68818
专题	中国科学院东亚植物多样性与生物地理学重点实验室
通讯作者	Qian, Hong; Deng, Tao
作者单位	1.Illinois State Museum, Res & Collect Ctr, 1011 East Ash St, Springfield, IL 62703 USA 2.Santa Clara Univ, Dept Biol, 500 El Camino Real, Santa Clara, CA 95057 USA 3.Chinese Acad Sci, CAS Key Lab Plant Divers & Biogeog East Asia, Kunming Inst Bot, Kunming 650201, Yunnan, Peoples R China 4.Univ Bergen, Dept Geog, Fosswinckels Gt 6,POB 7802, N-5020 Bergen, Norway
推荐引用方式 GB/T 7714	Qian, Hong,Sandel, Brody,Deng, Tao,et al. Geophysical, evolutionary and ecological processes interact to drive phylogenetic dispersion in angiosperm assemblages along the longest elevational gradient in the world[J]. BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,2019,190(4):333-344.
APA	Qian, Hong,Sandel, Brody,Deng, Tao,&Vetaas, Ole R..(2019).Geophysical, evolutionary and ecological processes interact to drive phylogenetic dispersion in angiosperm assemblages along the longest elevational gradient in the world.BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,190(4),333-344.
MLA	Qian, Hong,et al."Geophysical, evolutionary and ecological processes interact to drive phylogenetic dispersion in angiosperm assemblages along the longest elevational gradient in the world".BOTANICAL JOURNAL OF THE LINNEAN SOCIETY 190.4(2019):333-344.

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