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题名: Evolutionary dynamics of ecological niche in three Rhinogobio fishes from the upper Yangtze River inferred from morphological traits
作者: Wang, Meirong1, 2, 3; Liu, Fei1, 2; Lin, Pengcheng1, 2; Yang, Shaorong1, 4; Liu, Huanzhang1, 2
通讯作者: Liu, HZ (reprint author), Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China.
关键词: Ecological niche ; generalist ; morphological trait ; niche difference ; phylogenetic niche conservatism ; Rhinogobio ; specialist ; the Yangtze River
刊名: ECOLOGY AND EVOLUTION
发表日期: 2015-02-01
DOI: 10.1002/ece3.1386
卷: 5, 期:3, 页:567-577
收录类别: SCI
文章类型: Article
部门归属: [Wang, Meirong ; Liu, Fei ; Lin, Pengcheng ; Yang, Shaorong ; Liu, Huanzhang] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China ; [Wang, Meirong ; Liu, Fei ; Lin, Pengcheng ; Liu, Huanzhang] Chinese Acad Sci, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Hubei, Peoples R China ; [Wang, Meirong] Univ Chinese Acad Sci, Beijing 100039, Peoples R China ; [Yang, Shaorong] China Three Gorges Corp, Chengdu 610041, Sichuan, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Ecology
研究领域[WOS]: Environmental Sciences & Ecology
英文摘要: In the past decades, it has been debated whether ecological niche should be conserved among closely related species (phylogenetic niche conservatism, PNC) or largely divergent (traditional ecological niche theory and ecological speciation) and whether niche specialist and generalist might remain in equilibrium or niche generalist could not appear. In this study, we employed morphological traits to describe ecological niche and test whether different niche dimensions exhibit disparate evolutionary patterns. We conducted our analysis on three Rhinogobio fish species (R.typus, R.cylindricus, and R.ventralis) from the upper Yangtze River, China. Among the 32 measured morphological traits except body length, PCA extracted the first four principal components with their loading scores >1.000. To find the PNC among species, Mantel tests were conducted with the Euclidean distances calculated from the four principal components (representing different niche dimensions) against the pairwise distances calculated from mitochondrial cytochrome b sequence variations. The results showed that the second and the third niche dimension, both related to swimming ability and behavior, exhibited phylogenetic conservatism. Further comparison on niche breadth among these three species revealed that the fourth dimension of R.typus showed the greatest width, indicating that this dimension exhibited niche generalism. In conclusion, our results suggested that different niche dimensions could show different evolutionary dynamic patterns: they may exhibit PNC or not, and some dimensions may evolve generalism.
关键词[WOS]: SEXUAL SIZE DIMORPHISM ; PHYLOGENETIC-RELATIONSHIPS ; CONSERVATION BIOLOGY ; VARIATION HYPOTHESIS ; SEQUENCE ALIGNMENT ; BLUE TITS ; DIVERSIFICATION ; POPULATIONS ; PATTERNS ; DIFFERENTIATION
语种: 英语
WOS记录号: WOS:000349386000004
ISSN号: 2045-7758
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/23840
Appears in Collections:水生生物多样性与资源保护研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
2.Chinese Acad Sci, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Hubei, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
4.China Three Gorges Corp, Chengdu 610041, Sichuan, Peoples R China
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