Articles | Volume 22, issue 14
https://doi.org/10.5194/bg-22-3661-2025
https://doi.org/10.5194/bg-22-3661-2025
Research article
 | 
29 Jul 2025
Research article |  | 29 Jul 2025

Is litter biomass a driver of soil volatile organic compound fluxes in Mediterranean forest?

Manon Rocco, Julien Kammer, Mathieu Santonja, Brice Temime-Roussel, Cassandra Saignol, Caroline Lecareux, Etienne Quivet, Henri Wortham, and Elena Ormeño

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Cited articles

Aaltonen, H., Aalto, J., Kolari, P., Pihlatie, M., Pumpanen, J., Kulmala, M., Nikinmaa, E., Vesala, T., and Bäck, J.: Continuous VOC flux measurements on boreal forest floor, Plant Soil, 369, 241–256, https://doi.org/10.1007/s11104-012-1553-4, 2013. 
Abdeshahian, P., Kadier, A., Rai, P. K., and da Silva, S. S.: Lignocellulose as a Renewable Carbon Source for Microbial Synthesis of Different Enzymes, in: Lignocellulosic Biorefining Technologies, edited by: Avinash, P. I., Chandel, A. K., and da Silva, S. S., John Wiley & Sons, Ltd, https://doi.org/10.1002/9781119568858.ch9, 185–202, 2020. 
Abis, L., Loubet, B., Ciuraru, R., Lafouge, F., Houot, S., Nowak, V., Tripied, J., Dequiedt, S., Maron, P. A., and Sadet-Bourgeteau, S.: Reduced microbial diversity induces larger volatile organic compound emissions from soils, Sci. Rep.-UK, 10, 6104, https://doi.org/10.1038/s41598-020-63091-8, 2020. 
Ahn, J., Rao, G., Mamun, M., and Vejerano, E. P.: Soil–air partitioning of volatile organic compounds into soils with high water content, Environ. Chem., 17, 545–557, https://doi.org/10.1071/EN20032, 2020. 
Andersen, S. T., Kyte, M., Andersen, L. L., Nielsen, O. J., and Sulbaek Andersen, M. P.: Atmospheric chemistry of n-CH3(CH2)xCN (x= 0–3): Kinetics and mechanisms, Int. J. Chem. Kinet., 50, 813–826, https://doi.org/10.1002/kin.21215, 2018. 
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Soil emissions of biogenic volatile organic compounds (BVOCs) play a significant role in ecosystems, yet the impact of litter accumulation on these emissions is often overlooked, particularly in Mediterranean deciduous forests. A study in downy oak forest identified over 135 BVOCs, with many being absorbed by the soil, while others were emitted and increased with litter biomass. This underscores the critical role of litter and microbial activity in shaping soil BVOC dynamics under a changing climate.
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