Partial asynchrony of coniferous forest carbon sources and sinks at the intra-annual time scale

Roberto Silvestro (), Maurizio Mencuccini, Raúl García-Valdés, Serena Antonucci, Alberto Arzac, Franco Biondi, Valentina Buttò, J. Julio Camarero, Filipe Campelo, Hervé Cochard, Katarina Čufar, Henri E. Cuny, Martin Luis, Annie Deslauriers, Guillaume Drolet, Marina V. Fonti, Patrick Fonti, Alessio Giovannelli, Jožica Gričar, Andreas Gruber, Vladimír Gryc, Rossella Guerrieri, Aylin Güney, Xiali Guo, Jian-Guo Huang, Tuula Jyske, Jakub Kašpar, Alexander V. Kirdyanov, Tamir Klein, Audrey Lemay, Xiaoxia Li, Eryuan Liang, Anna Lintunen, Feng Liu, Fabio Lombardi, Qianqian Ma, Harri Mäkinen, Rayees A. Malik, Edurne Martinez del Castillo, Jordi Martinez-Vilalta, Stefan Mayr, Hubert Morin, Cristina Nabais, Pekka Nöjd, Walter Oberhuber, José M. Olano, Andrew P. Ouimette, Teemu V. S. Paljakka, Mikko Peltoniemi, Richard L. Peters, Ping Ren, Peter Prislan, Cyrille B. K. Rathgeber, Anna Sala, Antonio Saracino, Luigi Saulino, Piia Schiestl-Aalto, Vladimir V. Shishov, Alexia Stokes, Raman Sukumar, Jean-Daniel Sylvain, Roberto Tognetti, Václav Treml, Josef Urban, Hanuš Vavrčík, Joana Vieira, Georg Arx, Yan Wang, Bao Yang, Qiao Zeng, Shaokang Zhang, Emanuele Ziaco and Sergio Rossi
Additional contact information
Roberto Silvestro: Université du Québec à Chicoutimi
Maurizio Mencuccini: E08193 Bellaterra (Cerdanyola del Vallès)
Raúl García-Valdés: Rey Juan Carlos University, c/ Tulipán s/n
Serena Antonucci: Università degli Studi del Molise
Alberto Arzac: Siberian Federal University
Franco Biondi: University of Nevada
Valentina Buttò: Université du Québec à Chicoutimi
J. Julio Camarero: Consejo Superior de Investigaciones Científicas
Filipe Campelo: University of Coimbra
Hervé Cochard: PIAF
Katarina Čufar: Biotechnical Faculty
Henri E. Cuny: Institut National de l’Information Géographique et Forestière (IGN)
Martin Luis: University of Zaragoza
Annie Deslauriers: Université du Québec à Chicoutimi
Guillaume Drolet: Ministère des Ressources Naturelles et des Forêts du Québec
Marina V. Fonti: Snow and Landscape Research WSL
Patrick Fonti: Snow and Landscape Research WSL
Alessio Giovannelli: Consiglio Nazionale delle Ricerche
Jožica Gričar: Slovenian Forestry Institute
Andreas Gruber: Leopold-Franzens University of Innsbruck
Vladimír Gryc: Mendel University in Brno
Rossella Guerrieri: E08193 Bellaterra (Cerdanyola del Vallès)
Aylin Güney: Faculty of Forestry
Xiali Guo: Guangxi University
Jian-Guo Huang: Zhejiang University
Tuula Jyske: Natural Resources Institute Finland
Jakub Kašpar: Charles University
Alexander V. Kirdyanov: Siberian Federal University
Tamir Klein: Weizmann Institute of Science
Audrey Lemay: Université du Québec à Chicoutimi
Xiaoxia Li: Chinese Academy of Sciences
Eryuan Liang: Chinese Academy of Sciences
Anna Lintunen: University of Helsinki
Feng Liu: South China National Botanical Garden
Fabio Lombardi: Università Mediterranea di Reggio Calabria
Qianqian Ma: South China National Botanical Garden
Harri Mäkinen: Natural Resources Institute Finland
Rayees A. Malik: Indian Institute of Science (IISc)
Edurne Martinez del Castillo: Johannes Gutenberg University Mainz
Jordi Martinez-Vilalta: E08193 Bellaterra (Cerdanyola del Vallès)
Stefan Mayr: Leopold-Franzens University of Innsbruck
Hubert Morin: Université du Québec à Chicoutimi
Cristina Nabais: University of Coimbra
Pekka Nöjd: Natural Resources Institute Finland
Walter Oberhuber: Leopold-Franzens University of Innsbruck
José M. Olano: Campus Duques de Soria
Andrew P. Ouimette: University of New Hampshire
Teemu V. S. Paljakka: University of Helsinki
Mikko Peltoniemi: National Resources Institute (Luke)
Richard L. Peters: Snow and Landscape Research WSL
Ping Ren: Chinese Academy of Sciences
Peter Prislan: Slovenian Forestry Institute
Cyrille B. K. Rathgeber: SILVA
Anna Sala: University of Montana
Antonio Saracino: University of Naples Federico II, I-80055 Portici
Luigi Saulino: University of Naples Federico II, I-80055 Portici
Piia Schiestl-Aalto: University of Helsinki
Vladimir V. Shishov: Siberian Federal University
Alexia Stokes: University of Montpellier, CIRAD, CNRS, INRAE, IRD
Raman Sukumar: Indian Institute of Science (IISc)
Jean-Daniel Sylvain: Ministère des Ressources Naturelles et des Forêts du Québec
Roberto Tognetti: Free University of Bozen-Bolzano
Václav Treml: Charles University
Josef Urban: Siberian Federal University
Hanuš Vavrčík: Mendel University in Brno
Joana Vieira: Quinta de Prados
Georg Arx: Snow and Landscape Research WSL
Yan Wang: University of Helsinki
Bao Yang: Nanjing University
Qiao Zeng: Guangzhou Institute of Geography, Guangdong Academy of Sciences
Shaokang Zhang: South China National Botanical Garden
Emanuele Ziaco: Johannes Gutenberg University Mainz
Sergio Rossi: Université du Québec à Chicoutimi

Nature Communications, 2024, vol. 15, issue 1, 1-12

Abstract: Abstract As major terrestrial carbon sinks, forests play an important role in mitigating climate change. The relationship between the seasonal uptake of carbon and its allocation to woody biomass remains poorly understood, leaving a significant gap in our capacity to predict carbon sequestration by forests. Here, we compare the intra-annual dynamics of carbon fluxes and wood formation across the Northern hemisphere, from carbon assimilation and the formation of non-structural carbon compounds to their incorporation in woody tissues. We show temporally coupled seasonal peaks of carbon assimilation (GPP) and wood cell differentiation, while the two processes are substantially decoupled during off-peak periods. Peaks of cambial activity occur substantially earlier compared to GPP, suggesting the buffer role of non-structural carbohydrates between the processes of carbon assimilation and allocation to wood. Our findings suggest that high-resolution seasonal data of ecosystem carbon fluxes, wood formation and the associated physiological processes may reduce uncertainties in carbon source-sink relationships at different spatial scales, from stand to ecosystem levels.

Date: 2024
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DOI: 10.1038/s41467-024-49494-5

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