Experimental summer fires do not affect fungal diversity but do shape fungal community composition in Mediterranean Pinus nigra forests

[Background] Fire regimes (in terms of frequency, severity, and intensity) in ecosystems are changing. Summer fires are occurring in Mediterranean forests more frequently and are more severe than spring or autumn fires. Soil microbial communities provide essential ecosystem services and are essentia...

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Detalhes bibliográficos
Autores: Espinosa, Juncal, Carrillo, Cristina, Madrigal, Javier, Guijarro Guzmán, Mercedes, Hernando, Carmen, Martín-Pinto, Pablo
Tipo de documento: artigo
Estado:Versão publicada
Data de publicação:2025
País:España
Recursos:Consejo Superior de Investigaciones Científicas (CSIC)
Repositório:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/395179
Acesso em linha:http://hdl.handle.net/10261/395179
https://api.elsevier.com/content/abstract/scopus_id/105000266832
Access Level:Acceso aberto
Palavra-chave:Disturbance
Ectomycorrhizal
Fire ecology
Fungi
Prescribed burning
Wildfire
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oai_identifier_str oai:digital.csic.es:10261/395179
network_acronym_str ES
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dc.title.none.fl_str_mv Experimental summer fires do not affect fungal diversity but do shape fungal community composition in Mediterranean Pinus nigra forests
title Experimental summer fires do not affect fungal diversity but do shape fungal community composition in Mediterranean Pinus nigra forests
spellingShingle Experimental summer fires do not affect fungal diversity but do shape fungal community composition in Mediterranean Pinus nigra forests
Espinosa, Juncal
Disturbance
Ectomycorrhizal
Fire ecology
Fungi
Prescribed burning
Wildfire
title_short Experimental summer fires do not affect fungal diversity but do shape fungal community composition in Mediterranean Pinus nigra forests
title_full Experimental summer fires do not affect fungal diversity but do shape fungal community composition in Mediterranean Pinus nigra forests
title_fullStr Experimental summer fires do not affect fungal diversity but do shape fungal community composition in Mediterranean Pinus nigra forests
title_full_unstemmed Experimental summer fires do not affect fungal diversity but do shape fungal community composition in Mediterranean Pinus nigra forests
title_sort Experimental summer fires do not affect fungal diversity but do shape fungal community composition in Mediterranean Pinus nigra forests
dc.creator.none.fl_str_mv Espinosa, Juncal
Carrillo, Cristina
Madrigal, Javier
Guijarro Guzmán, Mercedes
Hernando, Carmen
Martín-Pinto, Pablo
author Espinosa, Juncal
author_facet Espinosa, Juncal
Carrillo, Cristina
Madrigal, Javier
Guijarro Guzmán, Mercedes
Hernando, Carmen
Martín-Pinto, Pablo
author_role author
author2 Carrillo, Cristina
Madrigal, Javier
Guijarro Guzmán, Mercedes
Hernando, Carmen
Martín-Pinto, Pablo
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Agencia Estatal de Investigación (España)
European Commission
Martín-Pinto, Pablo [0000-0002-2853-056X]
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Disturbance
Ectomycorrhizal
Fire ecology
Fungi
Prescribed burning
Wildfire
topic Disturbance
Ectomycorrhizal
Fire ecology
Fungi
Prescribed burning
Wildfire
description [Background] Fire regimes (in terms of frequency, severity, and intensity) in ecosystems are changing. Summer fires are occurring in Mediterranean forests more frequently and are more severe than spring or autumn fires. Soil microbial communities provide essential ecosystem services and are essential in post-fire recovery. However, to date, studies to determine the impact of summer fires on soil microbial communities have been limited. To explore how more severe fires may affect fungal diversity and community composition, we conducted an experimental summer fire in June 2019 at an experimental site that had been previously established in a pure stand of black pine (Pinus nigra Arn.) in 2016 in the Cuenca Mountains in Spain (Central-Eastern Spain).
publishDate 2025
dc.date.none.fl_str_mv 2025
2025
2025
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/395179
https://api.elsevier.com/content/abstract/scopus_id/105000266832
url http://hdl.handle.net/10261/395179
https://api.elsevier.com/content/abstract/scopus_id/105000266832
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
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info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-105188RB-I00
info:eu-repo/grantAgreement/AEI//RTA2017-00042-C05-01
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-116494RR-C41
The underlying dataset has been published as supplementary material of the article in the publisher platform at DOI https://doi.org/10.1186/s42408-025-00352-9
https://doi.org/10.1186/s42408-025-00352-9
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
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dc.publisher.none.fl_str_mv Springer
publisher.none.fl_str_mv Springer
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
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spelling Experimental summer fires do not affect fungal diversity but do shape fungal community composition in Mediterranean Pinus nigra forestsEspinosa, JuncalCarrillo, CristinaMadrigal, JavierGuijarro Guzmán, MercedesHernando, CarmenMartín-Pinto, PabloDisturbanceEctomycorrhizalFire ecologyFungiPrescribed burningWildfire[Background] Fire regimes (in terms of frequency, severity, and intensity) in ecosystems are changing. Summer fires are occurring in Mediterranean forests more frequently and are more severe than spring or autumn fires. Soil microbial communities provide essential ecosystem services and are essential in post-fire recovery. However, to date, studies to determine the impact of summer fires on soil microbial communities have been limited. To explore how more severe fires may affect fungal diversity and community composition, we conducted an experimental summer fire in June 2019 at an experimental site that had been previously established in a pure stand of black pine (Pinus nigra Arn.) in 2016 in the Cuenca Mountains in Spain (Central-Eastern Spain).[EN] [Results] Metabarcode DNA analyses of soil samples collected in three blocks (with three plots sampled in unburned and burned areas per block) in spring 2020 revealed that total soil fungi richness and diversity were not affected by summer burning; although no significant, summer burning did have a contrary influence on the most dominant fungal trophic groups. The relative abundance of ectomycorrhizal (ECM) fungi was negatively affected by burning, whereas saprotrophic fungi were positively affected by burning. Fire also had a significant effect on the composition of the total community and when analyzed by the trophic group. Multilevel pattern analysis showed that ECM fungi were significantly correlated with unburned plots. Physicochemical analyses revealed that there were no changes in the main edaphic variables measured.[EN] [Conclusions] The application of fire under more critical summer conditions (out of typical prescribed fire weather windows in Europe) did not produce significant differences in the diversity of the fungal community, being ECM fungi more sensitive to heat than other trophic groups. However, the composition of the fungal community differed significantly between burned and unburned plots. Overall, burned plots showed an adaptation to fire with a rapid proliferation of several pyrophilous genera that are able to improve soil conditions, which would enhance post-fire regeneration of the stand. These pioneering results can inform managers in conducting controlled summer fires to surrogate low to medium surface fire in Pinus nigra stands, knowing that the fungal diversity of the ecosystem is not affected, and thus the key ecological role of these organisms is not significantly harmed.[ES] [Antecedentes] Los regímenes de fuego en ecosistemas (en términos de frecuencia, severidad, e intensidad), están cambiando. Los fuegos de verano están ocurriendo en los bosques del Mediterráneo con mucha mayor frecuencia y severidad que en primavera u otoño. Las comunidades microbianas del suelo proveen de servicios ecosistémicos esenciales y son también esenciales en la recuperación post-fuego. Sin embargo y hasta ahora, los estudios que determinan el impacto de los fuegos de verano en las comunidades microbianas han sido limitados. Para explorar cómo fuegos más severos pueden afectar la diversidad de hongos y la composición de la comunidad, condujimos una quema experimental de verano en junio de 2019 en un sitio experimental que había sido establecido previamente en un rodal puro de pino negro (Pinus nigra Arn.) en 2016 en las montañas de Cuenca en España (Centro-Este de España).[ES] [Resultados] Análisis de codificación mediante AND de muestras de suelo colectadas en tres bloques (con tres parcelas muestreadas en áreas quemadas y sin quemar por bloque) en la primavera de 2020, revelaron que la riqueza total de hongos y la diversidad no fueron afectadas por la quema de verano; sin embargo, la quema de verano si tuvo una influencia significativa en los grupos tróficos de hongos más dominantes. La abundacia relativa de hongos ectomicorrícicos (ECM) fue negativamente afectada por las quemas, mientras que los hongos saprofíticos fueron positivamente afectados por las quemas. El fuego tuvo también efectos significativos en la composición total de la comunidad y cuando fue analizada por grupos tróficos. El análisis de patrones reveló que no hubo cambios en las principales variables edáficas medidas.[ES ][Conclusiones] La aplicación de quemas bajo las condiciones críticas del verano (por fuera de las ventanas de prescripción en Europa) no produjo diferencias significativas en la diversidad de la comunidad fúngica, siendo los hongos (ECM) más sensibles al fuego que otros grupos tróficos. Sin embargo, la composición de la comunidad fúngica difirió significativamente entre parcelas quemadas y no quemadas. En general, las parcelas quemadas mostraron una adaptación al fuego con una rápida proliferación de varios géneros de pirófilos, que son capaces de mejorar las condiciones del suelo, los cuales pueden aumentar la regeneración post fuego del rodal.This research was funded by: Spanish R&D projects MYCOINFOR (Mycosilviculture Applied to Forest Fire Prevention in Mediterranean Systems; PID2019-105188RB-I00); VIS4FIRE(Integrated Vulnerability of Forest Systems to Wildfire: Implications on Forest ManagementTools; RTA2017-00042-C05-01, ENFIRES (Enhancing Fire Resilience of Mediterranean Forest Systems, PID2020-116494RRC41/AEI/10.13039/501100011033) and MITECO2023-AF. 20234TE001. TC MITECO-CSIC. Prevención de incendios forestales: Evaluación de quemas prescritas y puntos estratégicos de gestión. This study was also financed by European Social Fund “NextGenerationEU” through a grant “Margarita Salas” awarded to Juncal Espinosa (project GFIRE; Gestión Forestal para la adaptación a los incendios forestales en el marco del cambio climático en el área mediterránea; UVa-2022-MS-TEZ02).Peer reviewedSpringerAgencia Estatal de Investigación (España)European CommissionMartín-Pinto, Pablo [0000-0002-2853-056X]Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202520252025info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://hdl.handle.net/10261/395179https://api.elsevier.com/content/abstract/scopus_id/105000266832reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-105188RB-I00info:eu-repo/grantAgreement/AEI//RTA2017-00042-C05-01info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-116494RR-C41The underlying dataset has been published as supplementary material of the article in the publisher platform at DOI https://doi.org/10.1186/s42408-025-00352-9https://doi.org/10.1186/s42408-025-00352-9Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3951792026-05-22T06:33:51Z
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