Comment on “Mycorrhizal association as a primary control of the CO2 
fertilization effect" (technical comment)

Norby, R. J.; De Kauwe, M. G.; Walker, A. P.; Werner, C.; Zaehle, Sönke; Zak, D. R.

doi:10.1126/science.aai7976

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Comment on “Mycorrhizal association as a primary control of the CO₂ fertilization effect" (technical comment)

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Zaehle, Sönke
Terrestrial Biosphere Modelling, Dr. Sönke Zähle, Department Biogeochemical Integration, Dr. M. Reichstein, Max Planck Institute for Biogeochemistry, Max Planck Society;
Terrestrial Biosphere Modelling, Dr. Sönke Zähle, Department Biogeochemical Integration, Prof. Dr. Martin Heimann, Max Planck Institute for Biogeochemistry, Max Planck Society;

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Citation

Norby, R. J., De Kauwe, M. G., Walker, A. P., Werner, C., Zaehle, S., & Zak, D. R. (2017). Comment on “Mycorrhizal association as a primary control of the CO₂ fertilization effect" (technical comment). Science, 355(6323): 358b. doi:10.1126/science.aai7976.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002C-4E15-6

Abstract

Terrer et al. (Reports, 1 July 2016, p. 72) used meta-analysis of carbon dioxide (CO2) enrichment experiments as evidence of an interaction between mycorrhizal symbiosis and soil nitrogen availability. We challenge their database and biomass as the response metric and, hence, their recommendation that incorporation of mycorrhizae in models will improve predictions of terrestrial ecosystem responses to increasing atmospheric CO2.