Climatic drivers and ecological implications of variation in the time interval between leaf-out and flowering

doi:10.1016/j.cub.2023.06.064

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	Climatic drivers and ecological implications of variation in the time interval between leaf-out and flowering
	Guo,Liang; Liu,Xiaowei; Alatalo,Juha M.; Wang,Chuanyao; Xu,Jianchu; Yu,Haiying; Chen,Ji; Yu,Qiang; Peng,Changhui; Dai,Junhu; Luedeling,Eike
	2023
发表期刊	CURRENT BIOLOGY
ISSN	1879-0445
卷号	33 期号:16 页码:3338-+
摘要	Leaf-out and flowering in any given species have evolved to occur in a predetermined sequence, with the inter-stage time interval optimized to maximize plant fitness. Although warming-induced advances of both leaf-out and flowering are well documented, it remains unclear whether shifts in these phenological phases differ in magnitudes and whether changes have occurred in the length of the inter-stage intervals. Here, we present an extensive synthesis of warming effects on flower-leaf time intervals, using long-term (1963-2014) and in situ data consisting of 11,858 leaf-out and flowering records for 183 species across China. We found that the timing of both spring phenological events was generally advanced, indicating a dominant impact of forcing conditions compared with chilling. Stable time intervals between leaf-out and flowering prevailed for most of the time series despite increasing temperatures; however, some of the investigated cases featured significant changes in the time intervals. The latter could be explained by differences in the temperature sensitivity (ST) between leaf and flower phenology. Greater ST for flowering than for leaf-out caused flowering times to advance faster than leaf emergence. This shortened the inter-stage intervals in leaf-first species and lengthened them in flower-first species. Variation in the time intervals between leaf-out and flowering events may have far-reaching ecological and evolutionary consequences, with implications for species fitness, intra/ inter-species interactions, and ecosystem structure, function, and stability.
关键词	PLANT PHENOLOGY TEMPERATURE SENSITIVITY RESPONSES TREES FROST BUDBURST FITNESS MODELS CHINA
DOI	10.1016/j.cub.2023.06.064
收录类别	SCI
WOS记录号	WOS:001062977800001
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/75484
专题	中国科学院昆明植物研究所
推荐引用方式 GB/T 7714	Guo,Liang,Liu,Xiaowei,Alatalo,Juha M.,et al. Climatic drivers and ecological implications of variation in the time interval between leaf-out and flowering[J]. CURRENT BIOLOGY,2023,33(16):3338-+.
APA	Guo,Liang.,Liu,Xiaowei.,Alatalo,Juha M..,Wang,Chuanyao.,Xu,Jianchu.,...&Luedeling,Eike.(2023).Climatic drivers and ecological implications of variation in the time interval between leaf-out and flowering.CURRENT BIOLOGY,33(16),3338-+.
MLA	Guo,Liang,et al."Climatic drivers and ecological implications of variation in the time interval between leaf-out and flowering".CURRENT BIOLOGY 33.16(2023):3338-+.

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