Air temperature optima of vegetation productivity across global biomes

Mengtian Huang; Shilong Piao; Philippe Ciais; Josep Peñuelas; Xuhui Wang; Trevor F. Keenan; Shushi Peng; Joseph A. Berry; Kai Wang; Jiafu Mao; Ramdane Alkama; Alessandro Cescatti; Matthias Cuntz; Hannes De Deurwaerder; Mengdi Gao; Yue He; Yongwen Liu; Yiqi Luo; Ranga B. Myneni; Shuli Niu; Xiaoying Shi; Wenping Yuan; Hans Verbeeck; Tao Wang; Jin Wu; Ivan A. Janssens

doi:10.1038/s41559-019-0838-x

Air temperature optima of vegetation productivity across global biomes

Mengtian Huang, Shilong Piao, Philippe Ciais, Josep Peñuelas, Xuhui Wang, Trevor F. Keenan, Shushi Peng, Joseph A. Berry, Kai Wang, Jiafu Mao, Ramdane Alkama, Alessandro Cescatti, Matthias Cuntz, Hannes De Deurwaerder, Mengdi Gao, Yue He, Yongwen Liu, Yiqi Luo, Ranga B. Myneni, Shuli NiuXiaoying Shi, Wenping Yuan, Hans Verbeeck, Tao Wang, Jin Wu, Ivan A. Janssens

Biological Sciences

Research output: Contribution to journal › Article › peer-review

380 Scopus citations

Abstract

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.

Original language	English (US)
Pages (from-to)	772-779
Number of pages	8
Journal	Nature Ecology and Evolution
Volume	3
Issue number	5
DOIs	https://doi.org/10.1038/s41559-019-0838-x
State	Published - May 1 2019

ASJC Scopus subject areas

Ecology, Evolution, Behavior and Systematics
Ecology

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Huang, M., Piao, S., Ciais, P., Peñuelas, J., Wang, X., Keenan, T. F., Peng, S., Berry, J. A., Wang, K., Mao, J., Alkama, R., Cescatti, A., Cuntz, M., De Deurwaerder, H., Gao, M., He, Y., Liu, Y., Luo, Y., Myneni, R. B., ... Janssens, I. A. (2019). Air temperature optima of vegetation productivity across global biomes. Nature Ecology and Evolution, 3(5), 772-779. https://doi.org/10.1038/s41559-019-0838-x

Huang, M, Piao, S, Ciais, P, Peñuelas, J, Wang, X, Keenan, TF, Peng, S, Berry, JA, Wang, K, Mao, J, Alkama, R, Cescatti, A, Cuntz, M, De Deurwaerder, H, Gao, M, He, Y, Liu, Y, Luo, Y, Myneni, RB, Niu, S, Shi, X, Yuan, W, Verbeeck, H, Wang, T, Wu, J & Janssens, IA 2019, 'Air temperature optima of vegetation productivity across global biomes', Nature Ecology and Evolution, vol. 3, no. 5, pp. 772-779. https://doi.org/10.1038/s41559-019-0838-x

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title = "Air temperature optima of vegetation productivity across global biomes",

abstract = "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.",

author = "Mengtian Huang and Shilong Piao and Philippe Ciais and Josep Pe{\~n}uelas and Xuhui Wang and Keenan, {Trevor F.} and Shushi Peng and Berry, {Joseph A.} and Kai Wang and Jiafu Mao and Ramdane Alkama and Alessandro Cescatti and Matthias Cuntz and {De Deurwaerder}, Hannes and Mengdi Gao and Yue He and Yongwen Liu and Yiqi Luo and Myneni, {Ranga B.} and Shuli Niu and Xiaoying Shi and Wenping Yuan and Hans Verbeeck and Tao Wang and Jin Wu and Janssens, {Ivan A.}",

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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 - 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 - 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.

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Air temperature optima of vegetation productivity across global biomes

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