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Comment
. 2021 Sep 24;373(6562):eabg4420.
doi: 10.1126/science.abg4420. Epub 2021 Sep 23.

Comment on "Recent global decline of CO2 fertilization effects on vegetation photosynthesis"

Yuxing Sang #  1 , Ling Huang #  1 , Xuhui Wang  1 , Trevor F Keenan  2   3 , Chenzhi Wang  1 , Yue He  1
Affiliations
Comment

Comment on "Recent global decline of CO2 fertilization effects on vegetation photosynthesis"

Yuxing Sang et al. Science. .

Abstract

Wang et al. (Research Articles, 11 December 2020, p. 1295) reported a large decline in the CO2 fertilization effect (CFE) on global photosynthesis, on the basis of changing regression coefficients of CO2 (β) for satellite proxies/products of photosynthesis. We show that their methods cannot robustly estimate CFE, leading to incorrect attribution, and largely neglect CO2 effects on the photosynthetic enzyme ribulose-1,5-bisphosphate carboxylase-oxygenase (RuBisCO).

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Comment in

  • Response to Comments on "Recent global decline of CO2 fertilization effects on vegetation photosynthesis".
    Wang S, Zhang Y, Ju W, Chen JM, Cescatti A, Sardans J, Janssens IA, Wu M, Berry JA, Campbell JE, Fernández-Martínez M, Alkama R, Sitch S, Smith WK, Yuan W, He W, Lombardozzi D, Kautz M, Zhu D, Lienert S, Kato E, Poulter B, Sanders TGM, Krüger I, Wang R, Zeng N, Tian H, Vuichard N, Jain AK, Wiltshire A, Goll DS, Peñuelas J. Wang S, et al. Science. 2021 Sep 24;373(6562):eabg7484. doi: 10.1126/science.abg7484. Epub 2021 Sep 23. Science. 2021. PMID: 34554812

Comment on

  • Recent global decline of CO2 fertilization effects on vegetation photosynthesis.
    Wang S, Zhang Y, Ju W, Chen JM, Ciais P, Cescatti A, Sardans J, Janssens IA, Wu M, Berry JA, Campbell E, Fernández-Martínez M, Alkama R, Sitch S, Friedlingstein P, Smith WK, Yuan W, He W, Lombardozzi D, Kautz M, Zhu D, Lienert S, Kato E, Poulter B, Sanders TGM, Krüger I, Wang R, Zeng N, Tian H, Vuichard N, Jain AK, Wiltshire A, Haverd V, Goll DS, Peñuelas J. Wang S, et al. Science. 2020 Dec 11;370(6522):1295-1300. doi: 10.1126/science.abb7772. Science. 2020. PMID: 33303610

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