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题名: Responses of spring phenology in temperate zone trees to climate warming: A case study of apricot flowering in China
作者: Guo,Liang ; Dai,Junhu ; Wang,Mingcheng ; null(许建初) ; Luedeling,Eike
刊名: AGRICULTURAL AND FOREST METEOROLOGY
出版日期: 2015
卷号: 201, 页码:1-7
关键词: Climate warming ; Flowering ; Partial Least Squares regression ; Prunus armeniaca L. ; Spring phenology ; Temperate zone plants
学科分类: Agronomy; Forestry; Meteorology & Atmospheric Sciences
DOI: 10.1016/j.agrformet.2014.10.016
通讯作者: Xu,J (reprint author),Lanhei Rd 132,Kunming 650201,Yunnan,Peoples R China. ; jxu@mail.kib.ac.cn ; e.luedeling@cgiar.org
文章类型: Article
英文摘要: The timing of spring phenology in most temperate zone plants results from the combined effects of both autumn/winter cold and spring heat. Temperature increases in spring can advance spring phases, but warming in autumn and winter may slow the fulfilment of chilling requirements and lead to later onset of spring events, as evidenced by recent phenology delays in response to warming at some locations. As warming continues, the phenology-delaying impacts of higher autumn/winter temperatures may increase in importance, and could eventually attenuate - or even reverse - the phenology-advancing effect of warming springs that has dominated plant responses to climate change so far. To test this hypothesis, we evaluated the temperature responses of apricot bloom at five climatically contrasting sites in China. Long-term records of first flowering dates were related to temperature data at daily resolution, and chilling and forcing periods were identified by Partial Least Squares (PLS) regression of bloom dates against daily chill and heat accumulation rates. We then analyzed the impacts of temperature variation during the chilling and forcing periods on tree flowering dates for each site. Results indicated that in cold climates, spring timing of apricots is almost entirely determined by forcing conditions, with warmer springs leading to earlier bloom. However, for apricots at warmer locations, chilling temperatures were the main driver of bloom timing, implying that further warming in winter might cause delayed spring phases. As global warming progresses, current trends of advancing phenology might slow or even turn into delays for increasing numbers of temperate species. (C) 2014 The Authors. Published by Elsevier B.V.
研究领域[WOS]: Agriculture ; Forestry ; Meteorology & Atmospheric Sciences
关键词[WOS]: FRUIT-TREES ; HEAT REQUIREMENTS ; DORMANCY BREAKING ; CHERRY TREES ; WINTER ; TRENDS ; PLANTS ; RELEASE ; EUROPE ; APPLE
收录类别: SCI
项目资助者: National Key Basic Research Programof China [2014CB954100] ; National Natural Science Foundation of China (NSFC)'s projects [31270524, 41030101] ; Applied Fundamental Research Foundation of Yunnan Province [2014GA003] ; Consultative Group on International Agricultural Research Program on "Forests, Trees and Agroforestry" (FTA) ; Research Program on "Climate Change, Agriculture and Food Security" (CCAFS)
语种: 英语
WOS记录号: WOS:000347863900001
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/19359
Appears in Collections:资源植物与生物技术所级重点实验室_期刊论文

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