Immediate and carry-over effects of late-spring frost and growing season drought on forest gross primary productivity capacity in the Northern Hemisphere

© 2023 The Authors. Global Change Biology published by John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 29(2023), 14 vom: 10. Juli, Seite 3924-3940
1. Verfasser: Chen, Liang (VerfasserIn)
Weitere Verfasser: Keski-Saari, Sarita, Kontunen-Soppela, Sari, Zhu, Xudan, Zhou, Xuan, Hänninen, Heikki, Pumpanen, Jukka, Mola-Yudego, Blas, Wu, Di, Berninger, Frank
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article GPP capacity Northern Hemisphere carry-over effect climate extremes growing season drought late-spring frost
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520 |a Forests are increasingly exposed to extreme global warming-induced climatic events. However, the immediate and carry-over effects of extreme events on forests are still poorly understood. Gross primary productivity (GPP) capacity is regarded as a good proxy of the ecosystem's functional stability, reflecting its physiological response to its surroundings. Using eddy covariance data from 34 forest sites in the Northern Hemisphere, we analyzed the immediate and carry-over effects of late-spring frost (LSF) and growing season drought on needle-leaf and broadleaf forests. Path analysis was applied to reveal the plausible reasons behind the varied responses of forests to extreme events. The results show that LSF had clear immediate effects on the GPP capacity of both needle-leaf and broadleaf forests. However, GPP capacity in needle-leaf forests was more sensitive to drought than in broadleaf forests. There was no interaction between LSF and drought in either needle-leaf or broadleaf forests. Drought effects were still visible when LSF and drought coexisted in needle-leaf forests. Path analysis further showed that the response of GPP capacity to drought differed between needle-leaf and broadleaf forests, mainly due to the difference in the sensitivity of canopy conductance. Moreover, LSF had a more severe and long-lasting carry-over effect on forests than drought. These results enrich our understanding of the mechanisms of forest response to extreme events across forest types 
650 4 |a Journal Article 
650 4 |a GPP capacity 
650 4 |a Northern Hemisphere 
650 4 |a carry-over effect 
650 4 |a climate extremes 
650 4 |a growing season drought 
650 4 |a late-spring frost 
700 1 |a Keski-Saari, Sarita  |e verfasserin  |4 aut 
700 1 |a Kontunen-Soppela, Sari  |e verfasserin  |4 aut 
700 1 |a Zhu, Xudan  |e verfasserin  |4 aut 
700 1 |a Zhou, Xuan  |e verfasserin  |4 aut 
700 1 |a Hänninen, Heikki  |e verfasserin  |4 aut 
700 1 |a Pumpanen, Jukka  |e verfasserin  |4 aut 
700 1 |a Mola-Yudego, Blas  |e verfasserin  |4 aut 
700 1 |a Wu, Di  |e verfasserin  |4 aut 
700 1 |a Berninger, Frank  |e verfasserin  |4 aut 
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773 1 8 |g volume:29  |g year:2023  |g number:14  |g day:10  |g month:07  |g pages:3924-3940 
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