Biodiversity buffers the response of spring leaf unfolding to climate warming
Shen, Pengju (Chinese Academy of Sciences. Institute of Geographic Sciences and Natural Resources Research)
Wang, Xiaoyue (Chinese Academy of Sciences. Institute of Geographic Sciences and Natural Resources Research)
Zohner, Constantin (ETH Zurich. Institute of Integrative Biology)
Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Zhou, Yuyu (Iowa State University. Department of Geological and Atmospheric Sciences)
Tang, Zhiyao (Peking University. College of Urban and Environmental Science)
Xia, Jianyang (East China Normal University. School of Ecological and Environmental Sciences)
Zheng, Hua (Chinese Academy of Sciences. Research Center for Eco-Environmental Sciences)
Fu, Yongshuo H. (Beijing Normal University. College of Water Sciences)
Liang, Jingjing (Purdue University. Department of Forestry and Natural Resources)
Sun, Weiwei (Ningbo University. Department of Geography and Spatial Information Techniques)
Zhang, Yongguang (Nanjing University. International Institute for Earth System Science)
Wu, Chaoyang (Chinese Academy of Sciences. Institute of Geographic Sciences and Natural Resources Research)

Data:	2024
Resum:	Understanding the sensitivity of spring leaf-out dates to temperature (ST) is integral to predicting phenological responses to climate warming and the consequences for global biogeochemical cycles. While variation in ST has been shown to be influenced by local climate adaptations, the impact of biodiversity remains unknown. Here we combine 393,139 forest inventory plots with satellite-derived ST across the northern hemisphere during 2001-2022 to show that biodiversity greatly affects spatial variation in ST and even surpasses the importance of climate variables. High tree diversity significantly weakened ST, possibly driven by changes in root depth and soil processes. We show that current Earth system models fail to reproduce the observed negative correlation between ST and biodiversity, with important implications for phenological responses under future pathways. Our results highlight the need to incorporate the buffering effects of biodiversity to better understand the impact of climate warming on spring leaf unfolding and carbon uptake.
Ajuts:	Agencia Estatal de Investigación TED2021-132627B-I00 Agència de Gestió d'Ajuts Universitaris i de Recerca 2021/SGR-1333
Nota:	Altres ajuts: Fundación Ramón Areces grant CIVP20A6621
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Llengua:	Anglès
Document:	Article ; recerca ; Versió acceptada per publicar
Publicat a:	Nature climate change, Vol. 14 (June 2024) , p. 863-868, ISSN 1758-6798

DOI: 10.1038/s41558-024-02035-w

Postprint 34 p, 17.7 MB

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