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 & 7 others Ying Ping Wang, Jeffrey M. Warren, Christian Werner, Jianyang Xia, Bai Yang, Donald R. Zak, Richard J. Norby

Research output: Contribution to journalArticle

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 languageEnglish (US)
Article number454
JournalNature Communications
Volume10
Issue number1
DOIs
StatePublished - Dec 1 2019

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ecosystems
Carbon Monoxide
biomass
Biomass
Ecosystems
Ecosystem
Wood
photosynthesis
Photosynthesis
stimulation
slopes

ASJC Scopus subject areas

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

Cite this

Walker, A. P., De Kauwe, M. G., Medlyn, B. E., Zaehle, S., Iversen, C. M., Asao, S., ... Norby, R. J. (2019). Decadal biomass increment in early secondary succession woody ecosystems is increased by CO 2 enrichment Nature Communications, 10(1), [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.; Zaehle, Sönke; Iversen, Colleen M.; Asao, Shinichi; Guenet, Bertrand; Harper, Anna; Hickler, Thomas; Hungate, Bruce A; Jain, Atul K.; Luo, Yiqi; Lu, Xingjie; Lu, Meng; Luus, Kristina; Megonigal, J. Patrick; Oren, Ram; Ryan, Edmund; Shu, Shijie; Talhelm, Alan; Wang, Ying Ping; Warren, Jeffrey M.; Werner, Christian; Xia, Jianyang; Yang, Bai; Zak, Donald R.; Norby, Richard J.

In: Nature Communications, Vol. 10, No. 1, 454, 01.12.2019.

Research output: Contribution to journalArticle

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
Walker, Anthony P. ; De Kauwe, Martin G. ; Medlyn, Belinda E. ; Zaehle, Sönke ; Iversen, Colleen M. ; Asao, Shinichi ; Guenet, Bertrand ; Harper, Anna ; Hickler, Thomas ; Hungate, Bruce A ; Jain, Atul K. ; Luo, Yiqi ; Lu, Xingjie ; Lu, Meng ; Luus, Kristina ; Megonigal, J. Patrick ; Oren, Ram ; Ryan, Edmund ; Shu, Shijie ; Talhelm, Alan ; Wang, Ying Ping ; Warren, Jeffrey M. ; Werner, Christian ; Xia, Jianyang ; Yang, Bai ; Zak, Donald R. ; Norby, Richard J. / Decadal biomass increment in early secondary succession woody ecosystems is increased by CO 2 enrichment In: Nature Communications. 2019 ; Vol. 10, No. 1.
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