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Climate warming increases spring phenological differences among temperate trees
Geng, Xiaojun (Beijing Normal University. College of Water Sciences)
Fu, Yongshuo H. (Beijing Normal University. College of Water Sciences)
Hao, Fanghua (Beijing Normal University. College of Water Sciences)
Zhou, Xuancheng (Beijing Normal University. College of Water Sciences)
Zhang, Xuan (Beijing Normal University. College of Water Sciences)
Yin, Guodong (Beijing Normal University. College of Water Sciences)
Vitasse, Yann (Swiss Federal Institute for Forest. Snow and Landscape Research)
Piao, Shilong (Sino-French Institute for Earth System Science)
Niu, Kechang (Nanjing University. School of Life Science)
De Boeck, Hans J. (Universiteit Antwerpen. Departement Biologie)
Menzel, Annette (Technical University of Munich. School of Life Sciences)
Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals)

Data: 2020
Resum: Climate warming has substantially advanced spring leaf flushing, but winter chilling and photoperiod co-determine the leaf flushing process in ways that vary among species. As a result, the interspecific differences in spring phenology (IDSP) are expected to change with climate warming, which may, in turn, induce negative or positive ecological consequences. However, the temporal change of IDSP at large spatiotemporal scales remains unclear. In this study, we analyzed long-term in-situ observations (1951-2016) of six, coexisting temperate tree species from 305 sites across Central Europe and found that phenological ranking did not change when comparing the rapidly warming period 1984-2016 to the marginally warming period 1951-1983. However, the advance of leaf flushing was significantly larger in early-flushing species EFS (6. 7 ± 0. 3 days) than in late-flushing species LFS (5. 9 ± 0. 2 days) between the two periods, indicating extended IDSP. This IDSP extension could not be explained by differences in temperature sensitivity between EFS and LFS; however, climatic warming-induced heat accumulation effects on leaf flushing, which were linked to a greater heat requirement and higher photoperiod sensitivity in LFS, drove the shifts in IDSP. Continued climate warming is expected to further extend IDSP across temperate trees, with associated implications for ecosystem function.
Ajuts: European Commission 610028
Drets: Tots els drets reservats
Llengua: Anglès
Document: Article ; recerca ; Versió acceptada per publicar
Matèria: Climate change ; Interspecific differences in spring phenology ; Phenological shift ; Photoperiod ; Temperature sensitivity
Publicat a: Global change biology, Vol. 26, issue 10 (Oct. 2020) , p. 5979-5987, ISSN 1365-2486

DOI: 10.1111/gcb.15301

29 p, 1.1 MB

El registre apareix a les col·leccions:
Documents de recerca > Documents dels grups de recerca de la UAB > Centres i grups de recerca (producció científica) > Ciències > CREAF (Centre de Recerca Ecològica i d'Aplicacions Forestals) > Imbalance-P
Articles > Articles de recerca
Articles > Articles publicats

 Registre creat el 2020-09-30, darrera modificació el 2022-02-06

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