RT info:eu-repo/semantics/article
T1 Long-Term Persistence of Three Microbial Wildfire Biomarkers in Forest Soils
A1 Fernández González, Antonio J.
A1 Lasa, Ana V.
A1 Cobo Díaz, José Francisco
A1 Villadas, Pablo J.
A1 Pérez Luque, Antonio J.
A1 García Rodríguez, Fernando M.
A1 Tringe, Susannah G.
A1 Fernández López, Manuel
A2 Tecnologia de los Alimentos
K1 Biología
K1 Botánica
K1 Forest fire
K1 Prokaryotic community
K1 Rhizosphere
K1 Arthrobacter
K1 Blastococcus
K1 Massilia
K1 2414 Microbiología
K1 2417 Biología Vegetal (Botánica)
K1 2511 Ciencias del Suelo (Edafología)
AB [EN] Long-term monitoring of microbial communities in the rhizosphere of post-fire forests is currently one of the key knowledge gaps. Knowing the time scale of the effects is indispensable to aiding post-fire recovery in vulnerable woodlands, including holm oak forests, that are subjected to a Mediterranean climate, as is the case with forests that are found in protected areas such as the Sierra Nevada National and Natural Park in southeastern Spain. We took rhizosphere soil samples from burned and unburned holm oak trees approximately 3, 6, and 9 years after the 2005 fire that devastated almost 3500 ha in southeastern Spain. We observed that the prokaryotic communities are recovering but have not yet reached the conditions observed in the unburned forest. A common denominator between this fire and other fires is the long-term persistence of three ecosystem recovery biomarkers—specifically, higher proportions of the genera Arthrobacter, Blastococcus, and Massilia in soil microbial communities after a forest fire. These pyrophilous microbes possess remarkable resilience against adverse conditions, exhibiting traits such as xerotolerance, nitrogen mineralization, degradation of aromatic compounds, and copiotrophy in favorable conditions. Furthermore, these biomarkers thrive in alkaline environments, which persist over the long term following forest fires. The relative abundance of these biomarkers showed a decreasing trend over time, but they were still far from the values of the control condition. In conclusion, a decade does not seem to be enough for the complete recovery of the prokaryotic communities in this Mediterranean ecosystem.
PB MDPI
LK https://hdl.handle.net/10612/19999
UL https://hdl.handle.net/10612/19999
NO Fernández González, A. J., Lasa, A. V., Cobo-Díaz, J. F., Villadas, P. J., Pérez-Luque, A. J., García-Rodríguez, F. M., Tringe, S. G., & Fernández-López, M. (2023). Long-Term Persistence of Three Microbial Wildfire Biomarkers in Forest Soils. Forests, 14(7), Article e1383. https://doi.org/10.3390/F14071383
NO Copyright: © 2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/).
DS BULERIA. Repositorio Institucional de la Universidad de León
RD 14-jun-2024