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题名: Introduction beyond a species range: a relationship between population origin, adaptive potential and plant performance
作者: Volis, S.1; Ormanbekova, D.2; Yermekbayev, K.2; Song, M.1; Shulgina, I.1
刊名: HEREDITY
出版日期: 2014-09-01
卷号: 113, 期号:3, 页码:268-276
关键词: GENE FLOW ; FLOWERING TIME ; ECOTYPIC DIFFERENTIATION ; MEDITERRANEAN REGION ; PHENOTYPIC SELECTION ; SUBSPECIES BORDER ; LOCAL ADAPTATION ; CLARKIA-XANTIANA ; CLIMATE-CHANGE ; WILD BARLEY
学科分类: Ecology ; Evolutionary Biology ; Genetics & Heredity
DOI: 10.1038/hdy.2014.25
通讯作者: Volis, S (reprint author), Chinese Acad Sci, Kunming Inst Bot, Key Lab Biogeog & Biodivers, Kunming 650201, Yunnan, Peoples R China.
文章类型: Article
英文摘要: The adaptive potential of a population defines its importance for species survival in changing environmental conditions such as global climate change. Very few empirical studies have examined adaptive potential across species' ranges, namely, of edge vs core populations, and we are unaware of a study that has tested adaptive potential (namely, variation in adaptive traits) and measured performance of such populations in conditions not currently experienced by the species but expected in the future. Here we report the results of a Triticum dicoccoides population study that employed transplant experiments and analysis of quantitative trait variation. Two populations at the opposite edges of the species range (1) were locally adapted; (2) had lower adaptive potential (inferred from the extent of genetic quantitative trait variation) than the two core populations; and (3) were outperformed by the plants from the core population in the novel environment. The fact that plants from the species arid edge performed worse than plants from the more mesic core in extreme drought conditions beyond the present climatic envelope of the species implies that usage of peripheral populations for conservation purposes must be based on intensive sampling of among-population variation.
类目[WOS]: Ecology ; Evolutionary Biology ; Genetics & Heredity
研究领域[WOS]: Environmental Sciences & Ecology ; Evolutionary Biology ; Genetics & Heredity
关键词[WOS]: GENE FLOW ; FLOWERING TIME ; ECOTYPIC DIFFERENTIATION ; MEDITERRANEAN REGION ; PHENOTYPIC SELECTION ; SUBSPECIES BORDER ; LOCAL ADAPTATION ; CLARKIA-XANTIANA ; CLIMATE-CHANGE ; WILD BARLEY
收录类别: SCI
语种: 英语
WOS记录号: WOS:000341087900010
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/18288
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 Divers & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China
2.Inst Plant Biol & Biotechnol, Alma Ata, Kazakhstan

Recommended Citation:
Volis, S.,Ormanbekova, D.,Yermekbayev, K.,et al. Introduction beyond a species range: a relationship between population origin, adaptive potential and plant performance[J]. HEREDITY,2014,113(3):268-276.
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