Biogeosciences
Biogeosciences
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Articles | Volume 13, issue 18
Articles | Volume 13, issue 18
https://doi.org/10.5194/bg-13-5171-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-13-5171-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 13, issue 18
Research article
 | 
19 Sep 2016
Research article |  | 19 Sep 2016

Autotrophic component of soil respiration is repressed by drought more than the heterotrophic one in dry grasslands

János Balogh, Marianna Papp, Krisztina Pintér, Szilvia Fóti, Katalin Posta, Werner Eugster, and Zoltán Nagy

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Short summary
In the dry grassland investigated in this study the components of the soil CO2 efflux decreased at different rates under drought conditions. During drought the contribution made by the heterotrophic components was the highest and the rhizospheric component was the most sensitive to soil drying. According to our results, the heterotrophic component of soil respiration is the major contributor to the respiration activities during drought events.
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