Responses of spring phenology in temperate zone trees to climate warming: A case study of apricot flowering in China
Guo,Liang; Dai,Junhu; Wang,Mingcheng; Xu,Jianchu; Luedeling,Eike; Xu,J (reprint author),Lanhei Rd 132,Kunming 650201,Yunnan,Peoples R China.; jxu@mail.kib.ac.cn; e.luedeling@cgiar.org
2015
发表期刊AGRICULTURAL AND FOREST METEOROLOGY
卷号201页码:1-7
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.
关键词Climate Warming Flowering Partial Least Squares Regression Prunus Armeniaca L. Spring Phenology Temperate Zone Plants
资助信息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)
学科领域Agronomy ; Forestry ; Meteorology & Atmospheric Sciences
DOI10.1016/j.agrformet.2014.10.016
收录类别SCI
语种英语
WOS研究方向Agriculture ; Forestry ; Meteorology & Atmospheric Sciences
WOS记录号WOS:000347863900001
引用统计
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/19359
专题资源植物与生物技术所级重点实验室
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
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Guo,Liang,Dai,Junhu,Wang,Mingcheng,et al. Responses of spring phenology in temperate zone trees to climate warming: A case study of apricot flowering in China[J]. AGRICULTURAL AND FOREST METEOROLOGY,2015,201:1-7.
APA Guo,Liang.,Dai,Junhu.,Wang,Mingcheng.,Xu,Jianchu.,Luedeling,Eike.,...&e.luedeling@cgiar.org.(2015).Responses of spring phenology in temperate zone trees to climate warming: A case study of apricot flowering in China.AGRICULTURAL AND FOREST METEOROLOGY,201,1-7.
MLA Guo,Liang,et al."Responses of spring phenology in temperate zone trees to climate warming: A case study of apricot flowering in China".AGRICULTURAL AND FOREST METEOROLOGY 201(2015):1-7.
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