Science (New York, N.Y.) · 2026

Growth rate overrides the benefit of extended growing season from boreal to semiarid conifers.

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Cabon Antoine, Fonti Patrick, von Arx Georg, Biondi Franco, Camarero J Julio, Campelo Filipe, Carrer Marco, Čufar Katarina, Cuny Henri, Deslauriers Annie, Fajstavr Marek, Fonti Marina, Frank David, Giovannelli Alessio, Gruber Andreas, Gričar Jožica, Gryc Vladimír, Güney Aylin, He Minhui, Horáček Petr, Huang Jianguo, Hughes Malcolm, Jiang Yuan, Kahle Hans-Peter, King Gregory, Kirdyanov Alexander V, Larysch Elena, Li Xiaoxia, Liang Eryuan, de Luis Martín, Mäkinen Harri, Martínez Del Castillo Edurne, Mikhailov Sergei, Miller Tobias Walter, Morino Kiyomi, Nabais Cristina, Oberhuber Walter, Panayotov Momchil, Peters Richard L, Prislan Peter, Rossi Sergio, Saderi Seyedehmasoumeh, Saracino Antonio, Saulino Luigi, Silvestro Roberto, Seifert Thomas, Sergent Anne Sophie, Stangler Dominik Florian, Stojanović Marko, Treml Vaclav, Vavrčík Hanuš, Vieira Joana, Wang Wenjin, Wieser Gerhard, Yang Bao, Zhang Yiping, Ziaco Emanuele, Rathgeber Cyrille B K

Аннотация

Climate warming lengthens the productive season in extratropical forests. Yet there is inconclusive evidence on whether this in turn elicits enhanced tree growth and forest carbon sequestration. In this study, we used cellular observations of conifer wood formation spanning boreal to semiarid forests to quantify the relative importance of cambial growth rate versus season length in driving annual cell production, the key process underlying woody growth. We found that rate is the primary driver of annual cell production. Furthermore, whereas the growing season lengthens with annual temperature, growth rate exhibited an optimum at ~6°C, beyond which increasingly dry conditions compromise wood production gains. The negative impact of warming on intra-annual growth dynamics can thus largely offset the benefit of longer growing season on future forest carbon storage.

Предметные рубрики MeSH

Cambium Forests Global Warming Seasons Temperature Tracheophyta Trees Wood

Growth rate overrides the benefit of extended growing season from boreal to semiarid conifers.

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Аннотация

Предметные рубрики MeSH