Mycorrhizal association as a primary control of the CO2 fertilization effect

César Terrer, Sara Vicca, Bruce A Hungate, Richard P. Phillips, I. Colin Prentice

Research output: Contribution to journalArticle

112 Citations (Scopus)

Abstract

Plants buffer increasing atmospheric carbon dioxide (CO2 ) concentrations through enhanced growth, but the question whether nitrogen availability constrains the magnitude of this ecosystem service remains unresolved. Synthesizing experiments from around the world, we show that CO2 fertilization is best explained by a simple interaction between nitrogen availability and mycorrhizal association. Plant species that associate with ectomycorrhizal fungi show a strong biomass increase (30 ± 3%, P < 0.001) in response to elevated CO2 regardless of nitrogen availability, whereas low nitrogen availability limits CO2 fertilization (0 ± 5%, P = 0.946) in plants that associate with arbuscular mycorrhizal fungi. The incorporation of mycorrhizae in global carbon cycle models is feasible, and crucial if we are to accurately project ecosystem responses and feedbacks to climate change.

Original languageEnglish (US)
Pages (from-to)72-74
Number of pages3
JournalScience
Volume353
Issue number6294
DOIs
StatePublished - Jul 1 2016

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Fertilization
Nitrogen
Ecosystem
Fungi
Mycorrhizae
Carbon Cycle
Climate Change
Carbon Dioxide
Biomass
Buffers
Growth

ASJC Scopus subject areas

  • General
  • Medicine(all)

Cite this

Mycorrhizal association as a primary control of the CO2 fertilization effect. / Terrer, César; Vicca, Sara; Hungate, Bruce A; Phillips, Richard P.; Prentice, I. Colin.

In: Science, Vol. 353, No. 6294, 01.07.2016, p. 72-74.

Research output: Contribution to journalArticle

Terrer, C, Vicca, S, Hungate, BA, Phillips, RP & Prentice, IC 2016, 'Mycorrhizal association as a primary control of the CO2 fertilization effect', Science, vol. 353, no. 6294, pp. 72-74. https://doi.org/10.1126/science.aaf4610
Terrer, César ; Vicca, Sara ; Hungate, Bruce A ; Phillips, Richard P. ; Prentice, I. Colin. / Mycorrhizal association as a primary control of the CO2 fertilization effect. In: Science. 2016 ; Vol. 353, No. 6294. pp. 72-74.
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