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Nutrient availability alters the correlation between spring leaf-out and autumn leaf senescence dates
Fu, YSH (Fu, Yongshuo H.)1,2; Piao, SL (Piao, Shilong)3,4,5; Delpierre, N (Delpierre, Nicolas)6; Hao, FH (Hao, Fanghua)1; Hanninen, H (Hanninen, Heikki)7; Geng, XJ (Geng, Xiaojun)1; Penuelas, J (Penuelas, Josep)8,9; Zhang, X (Zhang, Xuan)1; Janssens, IA (Janssens, Ivan A.)2; Campioli, M (Campioli, Matteo)2
Source PublicationTREE PHYSIOLOGY
2019
Volume39Issue:8Pages:1277-1284
DOI10.1093/treephys/tpz041
Abstract

Leaf senescence (LS) affects tree fitness, species distribution and ecosystem structure and functioning. The drivers of LS and the processes underlying it have been studied, but the studies have mainly focused on environmental cues and have mainly been based on statistical analyses using in situ data sets. Experimental investigation and field verification of the processes and drivers are thus urgently needed. We conducted a nutrient-addition experiment after a spring-warming experiment in which an similar to 40-day range of leaf-out (LO) dates was induced in horse chestnut (Aesculus hippocastanum) and beech (Fagus sylvatica) saplings. We found that both increased nutrient supply and advanced LO date significantly affected the timing of LS, but their effects were opposite, as the former delayed and the latter advanced the senescence. The effects of nutrient supply and LO interacted species specifically. In chestnut, the delay of senescence caused by fertilization increased with the delay of LO and was thus stronger for individuals that flushed late in the spring. On the contrary, in beech the delay of senescence caused by fertilization decreased with the delay of LO and was insignificant for individuals with the latest LO. The experimental findings for beech were confirmed with mature trees at a regional scale. The interactive effect between nutrients and LO on senescence may be associated with variable sensitivity to photoperiod, growth sink limitation and/or direct effect of foliar nutrition on the timing of senescence. Our novel results show that the interactive effects of LO and nutrient supply on the timing of LS should be further addressed experimentally in forthcoming studies. It would also be interesting to consider our results in the further development of phenological models used in assessing the effects of climatic change. The differences found in the present study between horse chestnut and beech suggest that the results found for one species cannot necessarily be generalized to other species, so studies with different temperate tree species are called for.

Subject AreaForestry
WOS IDWOS:000493055600002
Language英语
Indexed BySCI
KeywordClimate-change Northern-hemisphere Phenology Responses Temperature Trees Nitrogen Growth Variability Performance
WOS Research AreaForestry
WOS SubjectForestry
Cooperation Status国际
ISSN0829-318X
Department高寒生态重点实验室
URL查看原文
PublisherOXFORD UNIV PRESS
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/9199
Collection图书馆
Corresponding AuthorFu, YSH (Fu, Yongshuo H.)
Affiliation1.Beijing Normal Univ, Coll Water Sci, Beijing Key Lab Urban Hydrol Cycle & Sponge City, Beijing 100875, Peoples R China;
2.Univ Antwerp, Dept Biol, Ctr Excellence Plants & Ecosyst, BE-2610 Antwerp, Belgium;
3.Peking Univ, Coll Urban & Environm Sci, Sino French Inst Earth Syst Sci, Beijing 100871, Peoples R China;
4.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Beijing 100085, Peoples R China;
5.Chinese Acad Sci, Ctr Excellence Tibetan Earth Sci, Beijing 100085, Peoples R China;
6.Univ Paris Saclay, Univ Paris Sud, AgroParisTech, Ecol Systemat Evolut,CNRS, F-91400 Orsay, France;
7.Zhejiang Agr & Forestry Univ, State Key Lab Subtrop Silviculture, Hangzhou 311300, Zhejiang, Peoples R China;
8.CREAF, Edifici C, Barcelona 08193, Catalonia, Spain;
9.UAB, CSIC, CREAF, Global Ecol Unit, Barcelona 08193, Catalonia, Spain.
Recommended Citation
GB/T 7714
Fu, YSH ,Piao, SL ,Delpierre, N ,et al. Nutrient availability alters the correlation between spring leaf-out and autumn leaf senescence dates[J]. TREE PHYSIOLOGY,2019,39(8):1277-1284.
APA Fu, YSH .,Piao, SL .,Delpierre, N .,Hao, FH .,Hanninen, H .,...&Campioli, M .(2019).Nutrient availability alters the correlation between spring leaf-out and autumn leaf senescence dates.TREE PHYSIOLOGY,39(8),1277-1284.
MLA Fu, YSH ,et al."Nutrient availability alters the correlation between spring leaf-out and autumn leaf senescence dates".TREE PHYSIOLOGY 39.8(2019):1277-1284.
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