TY - JOUR
T1 - Air temperature optima of vegetation productivity across global biomes
AU - Huang, Mengtian
AU - Piao, Shilong
AU - Ciais, Philippe
AU - Peñuelas, Josep
AU - Wang, Xuhui
AU - Keenan, Trevor F.
AU - Peng, Shushi
AU - Berry, Joseph A.
AU - Wang, Kai
AU - Mao, Jiafu
AU - Alkama, Ramdane
AU - Cescatti, Alessandro
AU - Cuntz, Matthias
AU - De Deurwaerder, Hannes
AU - Gao, Mengdi
AU - He, Yue
AU - Liu, Yongwen
AU - Luo, Yiqi
AU - Myneni, Ranga B.
AU - Niu, Shuli
AU - Shi, Xiaoying
AU - Yuan, Wenping
AU - Verbeeck, Hans
AU - Wang, Tao
AU - Wu, Jin
AU - Janssens, Ivan A.
PY - 2019/5/1
Y1 - 2019/5/1
N2 - © 2019, The Author(s), under exclusive licence to Springer Nature Limited. The global distribution of the optimum air temperature for ecosystem-level gross primary productivity (Topteco) is poorly understood, despite its importance for ecosystem carbon uptake under future warming. We provide empirical evidence for the existence of such an optimum, using measurements of in situ eddy covariance and satellite-derived proxies, and report its global distribution. Topteco is consistently lower than the physiological optimum temperature of leaf-level photosynthetic capacity, which typically exceeds 30 °C. The global average Topteco is estimated to be 23 ± 6 °C, with warmer regions having higher Topteco values than colder regions. In tropical forests in particular, Topteco is close to growing-season air temperature and is projected to fall below it under all scenarios of future climate, suggesting a limited safe operating space for these ecosystems under future warming.
AB - © 2019, The Author(s), under exclusive licence to Springer Nature Limited. The global distribution of the optimum air temperature for ecosystem-level gross primary productivity (Topteco) is poorly understood, despite its importance for ecosystem carbon uptake under future warming. We provide empirical evidence for the existence of such an optimum, using measurements of in situ eddy covariance and satellite-derived proxies, and report its global distribution. Topteco is consistently lower than the physiological optimum temperature of leaf-level photosynthetic capacity, which typically exceeds 30 °C. The global average Topteco is estimated to be 23 ± 6 °C, with warmer regions having higher Topteco values than colder regions. In tropical forests in particular, Topteco is close to growing-season air temperature and is projected to fall below it under all scenarios of future climate, suggesting a limited safe operating space for these ecosystems under future warming.
UR - https://ddd.uab.cat/record/216962
UR - https://ddd.uab.cat/data/record/216962
U2 - https://doi.org/10.1038/s41559-019-0838-x
DO - https://doi.org/10.1038/s41559-019-0838-x
M3 - Article
C2 - 30858592
VL - 3
SP - 772
EP - 779
ER -