Biogeosciences
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Articles | Volume 11, issue 23
Articles | Volume 11, issue 23
https://doi.org/10.5194/bg-11-6855-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/bg-11-6855-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 11, issue 23
Research article
 | 
09 Dec 2014
Research article |  | 09 Dec 2014

How drought severity constrains gross primary production(GPP) and its partitioning among carbon pools in a Quercus ilex coppice?

S. Rambal, M. Lempereur, J. M. Limousin, N. K. Martin-StPaul, J. M. Ourcival, and J. Rodríguez-Calcerrada

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Short summary
The partitioning of carbon input in biomass has a key role in the sink function of forests. We analyzed how carbon is allocated in relation to drought in an evergreen Mediterranean forest. Carbon exchanges were drastically affected by drought. Partitioning was impacted with a hierarchy of responses going from the most affected, the stem, to the least one, the leaves. 40% of carbon input is allocated in biomass and this proportion tended to decrease with drought due to acclimation of respiration.
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