Decadal biomass increment in early secondary succession woody ecosystems is increased by CO                         2                          enrichment

Anthony P. Walker; Martin G. De Kauwe; Belinda E. Medlyn; Sönke Zaehle; Colleen M. Iversen; Shinichi Asao; Bertrand Guenet; Anna Harper; Thomas Hickler; Bruce A. Hungate; Atul K. Jain; Yiqi Luo; Xingjie Lu; Meng Lu; Kristina Luus; J. Patrick Megonigal; Ram Oren; Edmund Ryan; Shijie Shu; Alan Talhelm; Ying Ping Wang; Jeffrey M. Warren; Christian Werner; Jianyang Xia; Bai Yang; Donald R. Zak; Richard J. Norby

doi:10.1038/s41467-019-08348-1

Decadal biomass increment in early secondary succession woody ecosystems is increased by CO ₂ enrichment

Anthony P. Walker, Martin G. De Kauwe, Belinda E. Medlyn, Sönke Zaehle, Colleen M. Iversen, Shinichi Asao, Bertrand Guenet, Anna Harper, Thomas Hickler, Bruce A. Hungate, Atul K. Jain, Yiqi Luo, Xingjie Lu, Meng Lu, Kristina Luus, J. Patrick Megonigal, Ram Oren, Edmund Ryan, Shijie Shu, Alan TalhelmYing Ping Wang, Jeffrey M. Warren, Christian Werner, Jianyang Xia, Bai Yang, Donald R. Zak, Richard J. Norby

Biological Sciences

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

78 Scopus citations

Abstract

Increasing atmospheric CO ₂ stimulates photosynthesis which can increase net primary production (NPP), but at longer timescales may not necessarily increase plant biomass. Here we analyse the four decade-long CO ₂ -enrichment experiments in woody ecosystems that measured total NPP and biomass. CO ₂ enrichment increased biomass increment by 1.05 ± 0.26 kg C m ⁻² over a full decade, a 29.1 ± 11.7% stimulation of biomass gain in these early-secondary-succession temperate ecosystems. This response is predictable by combining the CO ₂ response of NPP (0.16 ± 0.03 kg C m ⁻² y ⁻¹ ) and the CO ₂ -independent, linear slope between biomass increment and cumulative NPP (0.55 ± 0.17). An ensemble of terrestrial ecosystem models fail to predict both terms correctly. Allocation to wood was a driver of across-site, and across-model, response variability and together with CO ₂ -independence of biomass retention highlights the value of understanding drivers of wood allocation under ambient conditions to correctly interpret and predict CO ₂ responses.

Original language	English (US)
Article number	454
Journal	Nature Communications
Volume	10
Issue number	1
DOIs	https://doi.org/10.1038/s41467-019-08348-1
State	Published - Dec 1 2019

ASJC Scopus subject areas

General Chemistry
General Biochemistry, Genetics and Molecular Biology
General Physics and Astronomy

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Walker, A. P., De Kauwe, M. G., Medlyn, B. E., Zaehle, S., Iversen, C. M., Asao, S., Guenet, B., Harper, A., Hickler, T., Hungate, B. A., Jain, A. K., Luo, Y., Lu, X., Lu, M., Luus, K., Megonigal, J. P., Oren, R., Ryan, E., Shu, S., ... Norby, R. J. (2019). Decadal biomass increment in early secondary succession woody ecosystems is increased by CO ₂ enrichment Nature Communications, 10(1), Article 454. https://doi.org/10.1038/s41467-019-08348-1

Decadal biomass increment in early secondary succession woody ecosystems is increased by CO ₂ enrichment . / Walker, Anthony P.; De Kauwe, Martin G.; Medlyn, Belinda E. et al.
In: Nature Communications, Vol. 10, No. 1, 454, 01.12.2019.

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

Walker, AP, De Kauwe, MG, Medlyn, BE, Zaehle, S, Iversen, CM, Asao, S, Guenet, B, Harper, A, Hickler, T, Hungate, BA, Jain, AK, Luo, Y, Lu, X, Lu, M, Luus, K, Megonigal, JP, Oren, R, Ryan, E, Shu, S, Talhelm, A, Wang, YP, Warren, JM, Werner, C, Xia, J, Yang, B, Zak, DR & Norby, RJ 2019, ' Decadal biomass increment in early secondary succession woody ecosystems is increased by CO ₂ enrichment ', Nature Communications, vol. 10, no. 1, 454. https://doi.org/10.1038/s41467-019-08348-1

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title = " Decadal biomass increment in early secondary succession woody ecosystems is increased by CO 2 enrichment ",

abstract = " Increasing atmospheric CO 2 stimulates photosynthesis which can increase net primary production (NPP), but at longer timescales may not necessarily increase plant biomass. Here we analyse the four decade-long CO 2 -enrichment experiments in woody ecosystems that measured total NPP and biomass. CO 2 enrichment increased biomass increment by 1.05 ± 0.26 kg C m −2 over a full decade, a 29.1 ± 11.7% stimulation of biomass gain in these early-secondary-succession temperate ecosystems. This response is predictable by combining the CO 2 response of NPP (0.16 ± 0.03 kg C m −2 y −1 ) and the CO 2 -independent, linear slope between biomass increment and cumulative NPP (0.55 ± 0.17). An ensemble of terrestrial ecosystem models fail to predict both terms correctly. Allocation to wood was a driver of across-site, and across-model, response variability and together with CO 2 -independence of biomass retention highlights the value of understanding drivers of wood allocation under ambient conditions to correctly interpret and predict CO 2 responses.",

author = "Walker, {Anthony P.} and {De Kauwe}, {Martin G.} and Medlyn, {Belinda E.} and S{\"o}nke Zaehle and Iversen, {Colleen M.} and Shinichi Asao and Bertrand Guenet and Anna Harper and Thomas Hickler and Hungate, {Bruce A.} and Jain, {Atul K.} and Yiqi Luo and Xingjie Lu and Meng Lu and Kristina Luus and Megonigal, {J. Patrick} and Ram Oren and Edmund Ryan and Shijie Shu and Alan Talhelm and Wang, {Ying Ping} and Warren, {Jeffrey M.} and Christian Werner and Jianyang Xia and Bai Yang and Zak, {Donald R.} and Norby, {Richard J.}",

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AU - De Kauwe, Martin G.

AU - Medlyn, Belinda E.

AU - Zaehle, Sönke

AU - Iversen, Colleen M.

AU - Asao, Shinichi

AU - Guenet, Bertrand

AU - Harper, Anna

AU - Hickler, Thomas

AU - Hungate, Bruce A.

AU - Jain, Atul K.

AU - Luo, Yiqi

AU - Lu, Xingjie

AU - Lu, Meng

AU - Luus, Kristina

AU - Megonigal, J. Patrick

AU - Oren, Ram

AU - Ryan, Edmund

AU - Shu, Shijie

AU - Talhelm, Alan

AU - Wang, Ying Ping

AU - Warren, Jeffrey M.

AU - Werner, Christian

AU - Xia, Jianyang

AU - Yang, Bai

AU - Zak, Donald R.

AU - Norby, Richard J.

PY - 2019/12/1

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N2 - Increasing atmospheric CO 2 stimulates photosynthesis which can increase net primary production (NPP), but at longer timescales may not necessarily increase plant biomass. Here we analyse the four decade-long CO 2 -enrichment experiments in woody ecosystems that measured total NPP and biomass. CO 2 enrichment increased biomass increment by 1.05 ± 0.26 kg C m −2 over a full decade, a 29.1 ± 11.7% stimulation of biomass gain in these early-secondary-succession temperate ecosystems. This response is predictable by combining the CO 2 response of NPP (0.16 ± 0.03 kg C m −2 y −1 ) and the CO 2 -independent, linear slope between biomass increment and cumulative NPP (0.55 ± 0.17). An ensemble of terrestrial ecosystem models fail to predict both terms correctly. Allocation to wood was a driver of across-site, and across-model, response variability and together with CO 2 -independence of biomass retention highlights the value of understanding drivers of wood allocation under ambient conditions to correctly interpret and predict CO 2 responses.

AB - Increasing atmospheric CO 2 stimulates photosynthesis which can increase net primary production (NPP), but at longer timescales may not necessarily increase plant biomass. Here we analyse the four decade-long CO 2 -enrichment experiments in woody ecosystems that measured total NPP and biomass. CO 2 enrichment increased biomass increment by 1.05 ± 0.26 kg C m −2 over a full decade, a 29.1 ± 11.7% stimulation of biomass gain in these early-secondary-succession temperate ecosystems. This response is predictable by combining the CO 2 response of NPP (0.16 ± 0.03 kg C m −2 y −1 ) and the CO 2 -independent, linear slope between biomass increment and cumulative NPP (0.55 ± 0.17). An ensemble of terrestrial ecosystem models fail to predict both terms correctly. Allocation to wood was a driver of across-site, and across-model, response variability and together with CO 2 -independence of biomass retention highlights the value of understanding drivers of wood allocation under ambient conditions to correctly interpret and predict CO 2 responses.

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Decadal biomass increment in early secondary succession woody ecosystems is increased by CO ₂ enrichment

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