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题名: Flower evolution of alpine forbs in the open top chambers (OTCs) from the Qinghai-Tibet Plateau
作者: Zhang, Chan1, 2, 3, 4; Wang, Lin-Lin1, 2, 3; Yang Yongping(杨永平)1, 2, 3; Duan, Yuan-Wen1, 2, 3
刊名: SCIENTIFIC REPORTS
出版日期: 2015-05-22
卷号: 5, 页码:10254
学科分类: Multidisciplinary Sciences
DOI: 10.1038/srep10254
通讯作者: Duan,YW (reprint author),Chinese Acad Sci,Kunming Inst Bot,Key Lab Plant Divers & Biogeog East Asia,Kunming 650201,Yunnan,Peoples R China. ; yangyp@mail.kib.ac.cn ; duanyw@mail.kib.ac.cn
文章类型: Article
英文摘要: Effects of global changes on biodiversity have been paid more and more attention world widely, and the open top chambers (OTCs) are the most common tools to study the effects of climatic warming on plant diversity. However, it remains unclear how flowers evolve under environmental changes, which could help us to understand the changes of plant diversity in the OTCs. We compared the insect diversity and pollen: ovule (P/O) ratio of eight outcrossing species with different life histories inside and outside the OTCs on the Qinghai-Tibet Plateau, to examine the effects induced by OTCs on the evolution of floral traits. In the OTCs, P/O ratio decreased in annuals, but increased in perennials, indicating an overall trend toward selfing in annuals. We found that the insect diversity differed significantly inside and outside the OTCS, with decreases of dipteran insects and bees. We concluded that changes of P/O ratio in the studied plant species might result from pollination failure, which might be the results of mismatch between flowering time and pollinator activities. We also suggested annuals might be in a more extinction risk than perennials in OTCs, if strong inbreeding depression occurs in these annual outcrossing plants.
类目[WOS]: Multidisciplinary Sciences
研究领域[WOS]: Science & Technology - Other Topics
关键词[WOS]: FLORAL SEX ALLOCATION ; PLANTS ; GENTIANACEAE ; RESPONSES ; METAANALYSIS ; LIMITATION ; COMMUNITY ; RATIOS ; FRUIT
收录类别: SCI
项目资助者: 973 program [2014CB954100] ; NSFC [31270434]
语种: 英语
WOS记录号: WOS:000355515100001
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/21365
Appears in Collections:中国科学院青藏高原研究所昆明部_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.Chinese Acad Sci, Kunming Inst Bot, Germplasm Bank Wild Species, Plant Germplasm & Genom Ctr, Kunming 650201, Yunnan, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Inst Tibetan Plateau Res Kunming, Kunming 650201, Yunnan, Peoples R China
4.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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