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学科主题: 生物科学::普通生物学
题名: Three times greater weight of daytime than of night-time temperature on leaf unfolding phenology in temperate trees
作者: Fu, YSH (Fu, Yongshuo H.)1, 2; Liu, YJ (Liu, Yongjie)1; De Boeck, HJ (De Boeck, Hans J.)1; Menzel, A (Menzel, Annette)3, 4; Nijs, I (Nijs, Ivan)1; Peaucelle, M (Peaucelle, Marc)5; Penuelas, J (Penuelas, Josep)6; Piao, SL (Piao, Shilong)2, 7; Janssens, IA (Janssens, Ivan A.)1
通讯作者: Fu, YSH
关键词: CLIMATE-CHANGE ; NORTHERN-HEMISPHERE ; PLANT ; BUDBURST ; FOREST ; MODEL ; FEEDBACKS ; FRAMEWORK ; SHIFTS ; ONSET
刊名: NEW PHYTOLOGIST
发表日期: 2016
DOI: 10.1111/nph.14073
卷: 212, 期:3, 页:590-597
收录类别: SCI
合作性质: 国际
文章类型: Article
部门归属: 生态
英文摘要: The phenology of spring leaf unfolding plays a key role in the structure and functioning of ecosystems. The classical concept of heat requirement (growing degree days) for leaf unfolding was developed hundreds of years ago, but this model does not include the recently reported greater importance of daytime than night-time temperature. A manipulative experiment on daytime vs night-time warming with saplings of three species of temperate deciduous trees was conducted and a Bayesian method was applied to explore the different effects of daytime and night-time temperatures on spring phenology. We found that both daytime and night-time warming significantly advanced leaf unfolding, but the sensitivities to increased daytime and night-time temperatures differed significantly. Trees were most sensitive to daytime warming (7.40.9, 4.8 +/- 0.3 and 4.8 +/- 0.2d advancement per degree Celsius warming (d degrees C-1) for birch, oak and beech, respectively) and least sensitive to night-time warming (5.5 +/- 0.9, 3.3 +/- 0.3 and 2.1 +/- 0.9d degrees C-1). Interestingly, a Bayesian analysis found that the impact of daytime temperature on leaf unfolding was approximately three times higher than that of night-time temperatures. Night-time global temperature is increasing faster than daytime temperature, so model projections of future spring phenology should incorporate the effects of these different temperatures.
语种: 英语
WOS记录号: WOS:000385797800009
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7516
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Univ Antwerp, Ctr Excellence GCE Global Change Ecol, Dept Biol, Univ Pl 1, B-2610 Antwerp, Belgium
2.Peking Univ, Sino French Inst Earth Syst Sci, Coll Urban & Environm Sci, Beijing 100871, Peoples R China
3.Tech Univ Munich, Ecoclimatol, D-85354 Freising Weihenstephan, Germany
4.Tech Univ Munich, Inst Adv Study, Lichtenbergstr 2a, D-85748 Garching, Germany
5.UVSQ, Lab Sci Climat & Environm, CEA, CNRS, Gif Sur Yvette, France
6.CREAF, Barcelona 08193, Spain
7.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Beijing 100085, Peoples R China

Recommended Citation:
Fu, YSH ,Liu, YJ ,De Boeck, HJ ,et al. Three times greater weight of daytime than of night-time temperature on leaf unfolding phenology in temperate trees[J]. NEW PHYTOLOGIST,2016,212(3):590-597.
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文件名: V.212(3) 590-597 2016.pdf
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