Biogeosciences
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Articles | Volume 19, issue 20
Articles | Volume 19, issue 20
https://doi.org/10.5194/bg-19-4945-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-19-4945-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 20
Research article
 | 
26 Oct 2022
Research article |  | 26 Oct 2022

Growth and actual leaf temperature modulate CO2 responsiveness of monoterpene emissions from holm oak in opposite ways

Michael Staudt, Juliane Daussy, Joseph Ingabire, and Nafissa Dehimeche

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Latest update: 23 Apr 2025
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Short summary
We studied the short- and long-term effects of CO2 as a function of temperature on monoterpene emissions from holm oak. Similarly to isoprene, emissions decreased non-linearly with increasing CO2, with no differences among compounds and chemotypes. The CO2 response was modulated by actual leaf and growth temperature but not by growth CO2. Estimates of annual monoterpene release under double CO2 suggest that CO2 inhibition does not offset the increase in emissions due to expected warming.
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