Articles | Volume 13, issue 18
https://doi.org/10.5194/bg-13-5171-2016
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, Marianna Papp, Krisztina Pintér, Szilvia Fóti, Katalin Posta, Werner Eugster, and Zoltán Nagy

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Cited articles

Adam, G. and Duncan, H.: Development of a sensitive and rapid method for the measurement of total microbial activity using fluorescein diacetate (FDA) in a range of soils, Soil Biol. Biochem., 33, 943–951, 2001.
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Balogh, J., Pintér, K., Fóti, S., Cserhalmi, D., Papp, M., and Nagy, Z.: Dependence of soil respiration on soil moisture, clay content, soil organic matter, and CO2 uptake in dry grasslands, Soil Biol. Biochem., 43, 1006–1013, https://doi.org/10.1016/j.soilbio.2011.01.017, 2011.
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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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