Phylogenetic clustering and overdispersion for alpine plants along elevational gradient in the Hengduan Mountains Region, southwest China
Li, Xin-Hui1,2; Zhu, Xin-Xin1,2; Niu, Yang1; Sun, Hang1
2014-05-01
发表期刊JOURNAL OF SYSTEMATICS AND EVOLUTION
ISSN1674-4918
卷号52期号:3页码:280-288
摘要To better understand the elevational pattern of phylogenetic structure shown by alpine taxa and the underlying causes, we analyzed the phylogenetic structure of each elevational belt of alpine plants in the Hengduan Mountains Region, measured by net related index (NRI) and net nearest taxon index (NTI). We found both the indices of phylogenetic diversity indicated that alpine plants tended to show phylogenetic overdispersion at low elevational belts, implying that the distribution of alpine plants in these belts was mainly determined by interspecific competition. Alpine plants at higher elevational belts tended to phylogenetic clustering indicated by NRI, and NTI revealed phylogenetic clustering at the belts between 4300m and 5500m, which presumably suggested environment filtering and rapid speciation. Above 5500m, NTI indicated that the phylogenetic structure became random again, perhaps due to the low intensity of filtering and the large distances between plants at the top of the scree slopes. We concluded that phylogenetic structure was, indeed, influenced by the environmental filter, interspecies interaction, rapid speciation during the uplift of the Qinghai-Tibet Plateau, and distance between plants.
关键词Alpine Plants Environment Filtering Hengduan Mountains Region Interspecific Competition Phylogenetic Structure
资助信息Chinese Academy of Sciences [XDB03030112]; National Natural Science Foundation of China (NSFC) [40930209, 31061160184]; Yunnan Natural Science Foundation; NSFC joint Project [U1136601]; Hundred Talents Program of the Chinese Academy of Science [2011312D11022]
学科领域Plant Sciences
DOI10.1111/jse.12027
收录类别SCI
语种英语
WOS研究方向Plant Sciences
WOS类目Plant Sciences
WOS记录号WOS:000335400300005
引用统计
被引频次:19[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/151853/18135
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
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650201, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Li, Xin-Hui,Zhu, Xin-Xin,Niu, Yang,et al. Phylogenetic clustering and overdispersion for alpine plants along elevational gradient in the Hengduan Mountains Region, southwest China[J]. JOURNAL OF SYSTEMATICS AND EVOLUTION,2014,52(3):280-288.
APA Li, Xin-Hui,Zhu, Xin-Xin,Niu, Yang,&Sun, Hang.(2014).Phylogenetic clustering and overdispersion for alpine plants along elevational gradient in the Hengduan Mountains Region, southwest China.JOURNAL OF SYSTEMATICS AND EVOLUTION,52(3),280-288.
MLA Li, Xin-Hui,et al."Phylogenetic clustering and overdispersion for alpine plants along elevational gradient in the Hengduan Mountains Region, southwest China".JOURNAL OF SYSTEMATICS AND EVOLUTION 52.3(2014):280-288.
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