Articles | Volume 13, issue 18
Biogeosciences, 13, 5171–5182, 2016
https://doi.org/10.5194/bg-13-5171-2016
Biogeosciences, 13, 5171–5182, 2016
https://doi.org/10.5194/bg-13-5171-2016

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 et al.

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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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