气候变化
脆弱性(计算)
地理
环境科学
引爆点(物理)
热带气候
热带稀树草原气候
热带亚热带干阔叶林
农林复合经营
环境资源管理
生态学
生态系统
生物
计算机安全
考古
计算机科学
电气工程
工程类
作者
Sassan Saatchi,Marcos Longo,Liang Xu,Yan Yang,Hitofumi Abe,Michel André,Juliann E. Aukema,Nuno Carvalhais,Hinsby Cadillo‐Quiroz,Gillian A. Cerbu,Janet Chernela,Kristofer Covey,Lina María Sánchez‐Clavijo,Isai V. Cubillos,Stuart J. Davies,Véronique De Sy,François De Vleeschouwer,Álvaro Duque,Alice Marie Sybille Durieux,Kátia Fernandes
出处
期刊:One earth
[Elsevier BV]
日期:2021-07-01
卷期号:4 (7): 988-1003
被引量:63
标识
DOI:10.1016/j.oneear.2021.06.002
摘要
Humid tropical forests play a dominant role in the functioning of Earth but are under increasing threat from changes in land use and climate. How forest vulnerability varies across space and time and what level of stress forests can tolerate before facing a tipping point are poorly understood. Here, we develop a tropical forest vulnerability index (TFVI) to detect and evaluate the vulnerability of global tropical forests to threats across space and time. We show that climate change together with land-use change have slowed the recovery rate of forest carbon cycling. Temporal autocorrelation, as an indicator of this slow recovery, increases substantially for above-ground biomass, gross primary production, and evapotranspiration when climate stress reaches a critical level. Forests in the Americas exhibit extensive vulnerability to these stressors, while in Africa, forests show relative resilience to climate, and in Asia reveal more vulnerability to land use and fragmentation. TFVI can systematically track the response of tropical forests to multiple stressors and provide early-warning signals for regions undergoing critical transitions.
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