Damage to living trees contributes to almost half of the biomass losses in tropical forests

Damage to living trees contributes to almost half of the biomass losses in tropical forests

© 2023 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 29(2023), 12 vom: 03. Juni, Seite 3409-3420
1. Verfasser: Zuleta, Daniel (VerfasserIn)
Weitere Verfasser: Arellano, Gabriel, McMahon, Sean M, Aguilar, Salomón, Bunyavejchewin, Sarayudh, Castaño, Nicolas, Chang-Yang, Chia-Hao, Duque, Alvaro, Mitre, David, Nasardin, Musalmah, Pérez, Rolando, Sun, I-Fang, Yao, Tze Leong, Valencia, Renato, Krishna Moorthy, Sruthi M, Verbeeck, Hans, Davies, Stuart J
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article ForestGEO canopy turnover carbon fluxes forest biomass forest disturbance global carbon budget terrestrial laser scanning tree damage tree mortality mehr... tropical forests Carbon 7440-44-0
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520 |a Accurate estimates of forest biomass stocks and fluxes are needed to quantify global carbon budgets and assess the response of forests to climate change. However, most forest inventories consider tree mortality as the only aboveground biomass (AGB) loss without accounting for losses via damage to living trees: branchfall, trunk breakage, and wood decay. Here, we use ~151,000 annual records of tree survival and structural completeness to compare AGB loss via damage to living trees to total AGB loss (mortality + damage) in seven tropical forests widely distributed across environmental conditions. We find that 42% (3.62 Mg ha-1  year-1 ; 95% confidence interval [CI] 2.36-5.25) of total AGB loss (8.72 Mg ha-1  year-1 ; CI 5.57-12.86) is due to damage to living trees. Total AGB loss was highly variable among forests, but these differences were mainly caused by site variability in damage-related AGB losses rather than by mortality-related AGB losses. We show that conventional forest inventories overestimate stand-level AGB stocks by 4% (1%-17% range across forests) because assume structurally complete trees, underestimate total AGB loss by 29% (6%-57% range across forests) due to overlooked damage-related AGB losses, and overestimate AGB loss via mortality by 22% (7%-80% range across forests) because of the assumption that trees are undamaged before dying. Our results indicate that forest carbon fluxes are higher than previously thought. Damage on living trees is an underappreciated component of the forest carbon cycle that is likely to become even more important as the frequency and severity of forest disturbances increase 
650 4 |a Journal Article 
650 4 |a ForestGEO 
650 4 |a canopy turnover 
650 4 |a carbon fluxes 
650 4 |a forest biomass 
650 4 |a forest disturbance 
650 4 |a global carbon budget 
650 4 |a terrestrial laser scanning 
650 4 |a tree damage 
650 4 |a tree mortality 
650 4 |a tropical forests 
650 7 |a Carbon  |2 NLM 
650 7 |a 7440-44-0  |2 NLM 
700 1 |a Arellano, Gabriel  |e verfasserin  |4 aut 
700 1 |a McMahon, Sean M  |e verfasserin  |4 aut 
700 1 |a Aguilar, Salomón  |e verfasserin  |4 aut 
700 1 |a Bunyavejchewin, Sarayudh  |e verfasserin  |4 aut 
700 1 |a Castaño, Nicolas  |e verfasserin  |4 aut 
700 1 |a Chang-Yang, Chia-Hao  |e verfasserin  |4 aut 
700 1 |a Duque, Alvaro  |e verfasserin  |4 aut 
700 1 |a Mitre, David  |e verfasserin  |4 aut 
700 1 |a Nasardin, Musalmah  |e verfasserin  |4 aut 
700 1 |a Pérez, Rolando  |e verfasserin  |4 aut 
700 1 |a Sun, I-Fang  |e verfasserin  |4 aut 
700 1 |a Yao, Tze Leong  |e verfasserin  |4 aut 
700 1 |a Valencia, Renato  |e verfasserin  |4 aut 
700 1 |a Krishna Moorthy, Sruthi M  |e verfasserin  |4 aut 
700 1 |a Verbeeck, Hans  |e verfasserin  |4 aut 
700 1 |a Davies, Stuart J  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Global change biology  |d 1999  |g 29(2023), 12 vom: 03. Juni, Seite 3409-3420  |w (DE-627)NLM098239996  |x 1365-2486  |7 nnns 
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