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题名: Phylogenetic conservatism and climate factors shape flowering phenology in alpine meadows.
作者: Li, Lanping; Li, Zhikuo; Cadotte, Marc W; Jia, Peng; Chen, Guanguang; Jin, Lanna S; Du, GZ(杜国祯)
收录类别: SCIE ; PubMed ; MEDLINE
出版日期: 2016-10
刊名: Oecologia
卷号: 182, 期号:2, 页码:419-428
出版者: SPRINGER
出版地: NEW YORK
英文摘要: The study of phylogenetic conservatism in alpine plant phenology is critical for predicting climate change impacts; currently we have a poor understanding of how phylogeny and climate factors interactively influence plant phenology. Therefore, we explored the influence of phylogeny and climate factors on flowering phenology in alpine meadows. For two different types of alpine plant communities, we recorded phenological data, including flowering peak, first flower budding, first flowering, first fruiting and the flowering end for 62 species over the course of 5 years (2008-2012). From sequences in two plastid regions, we constructed phylogenetic trees. We used Blomberg's K and Pagel's lambda to assess the phylogenetic signal in phenological traits and species' phenological responses to climate factors. We found a significant phylogenetic signal in the date of all reproductive phenological events and in species' phenological responses to weekly day length and temperature. The number of species in flower was strongly associated with the weekly day lengths and followed by the weekly temperature prior to phenological activity. Based on phylogenetic eigenvector regression (PVR) analysis, we found a highly shared influence of phylogeny and climate factors on alpine species flowering phenology. Our results suggest the phylogenetic conservatism in both flowering and fruiting phenology may depend on the similarity of responses to external environmental cues among close relatives.
关键词: Phylogenetic signal ; Phylogenetic eigenvector regression ; Alpine plant phenology ; Phenological traits ; Day length ; Flowering peak date
作者部门: State Key Laboratory of Grassland Agroecosystems, School of Life Sciences, Lanzhou University, 222 South Tianshui Road, Lanzhou, Gansu, 730000, People's Republic of China.
通讯作者: Du, GZ (reprint author), Lanzhou Univ, Sch Life Sci, State Key Lab Grassland Agroecosyst, 222 South Tianshui Rd, Lanzhou 730000, Gansu, Peoples R China.
学科分类: Environmental Sciences & Ecology
文章类型: Article
所属项目编号: Key Project of the National Natural Science Foundation of China [41430749] ; endowed TD Chair of Urban Forest Conservation and Biology ; Natural Sciences and Engineering Research Council of Canada [386151]
所属项目名称: 国家自然科学基金项目 ; 加拿大自然科学和工程研究理事会项目
项目资助者: NSFC ; NSERC
语种: 英语
DOI: 10.1007/s00442-016-3666-6
ISSN号: 1432-1939
WOS记录号: WOS:000383669300009
PM记录号: 27351544
IR记录号: 27351544
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/182064
Appears in Collections:生命科学学院_期刊论文

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Recommended Citation:
Li, Lanping,Li, Zhikuo,Cadotte, Marc W,et al. Phylogenetic conservatism and climate factors shape flowering phenology in alpine meadows.[J]. Oecologia,2016,182(2):419-428.
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