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题名: A phylogenetically informed delineation of floristic regions within a biodiversity hotspot in Yunnan, China
作者: Li, Rong1; Kraft, Nathan J. B.2; Yang, Jie3; Wang, Yuhua4
刊名: SCIENTIFIC REPORTS
英文摘要: Traditional attempts to delineate floristic regions typically focus on species distributions, often ignoring the rich context that phylogenetic relationships can provide. In this study, we explore how phylogenetic relatedness, taxonomic composition, and regional phylogenetic structure change across a global biodiversity hotspot region, Yunnan, located in southwestern China. We propose a system of floristic regions within Yunnan by combining data on the distributions and phylogenetic relationships of 1,983 genera of native seed plants. We identified eight distinct floristic regions in Yunnan, which were grouped into two larger northern and southern geographical units. Phylogenetic relatedness was well correlated with taxonomic composition between floras in Yunnan. Across the Yunnan region we examined, the central Yunnan region shows the lowest level of spatial turnover in phylogenetic relationships and taxonomic composition of the floristic assemblages. Using null model analyses, we found evidence of nonrandom phylogenetic structure across the region, in which four areas show higher phylogenetic turnover than expected given the underlying taxonomic composition between sites. Our results show that the integration of phylogenetic information can provide valuable insight in floristic assessments, and help us to better understand the structure of a global biodiversity hotspot.
出版日期: 2015-03-30
卷号: 5, 期号:5, 页码:9396
语种: 英语
收录类别: SCI
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/18756
Appears in Collections:中国科学院东亚植物多样性与生物地理学重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Div & Biogeog East Asia, Kunming 650201, Peoples R China
2.Univ Maryland, Dept Biol, College Pk, MD 20742 USA
3.Chinese Acad Sci, Key Lab Trop Forest Ecol, Xishuangbanna Trop Bot Garden, Mengla 666303, Peoples R China
4.Chinese Acad Sci, Kunming Inst Bot, Key Lab Econ Plants & Biotechnol, Kunming 650201, Peoples R China

Recommended Citation:
Rong Li, Nathan J. B. Kraft, Jie Yang, Yuhua Wang. 2015. A phylogenetically informed delineation of floristic regions within a biodiversity hotspot in Yunnan, China. Scientific Reports 5: 9396.
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文件名: a phylogenetically informed delineation of floristic regions within a biodiversity hotspot in yunnan, china.pdf
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