Temporal dynamics of soil fungal communities after partial and total clear-cutting in a managed Pinus sylvestris stand
De Miguel, A.M.
Forest management aimed to maximize timber production might impact soil fungi, especially those symbiotically associated to tree roots. In this study, we analyse the temporal dynamics of soil fungi along five sampling years after tree removal in a managed Pinus sylvestris stand in northern Spain, where timber production is combined with regular mushroom harvesting. Two management methods were tested: total and partial clear-cutting leaving retention trees for seedling regeneration. Undisturbed, uncut plots were also included in the experiment as a control treatment. The whole fungal community (phylotypes and ecological guilds) were analysed by high-throughput Illumina MiSeq sequencing of fungal ITS1 amplicons. We hypothesized that (1) ectomycorrhizal fungal communities will decrease after both clear-cutting treatments with a concurrent increase in the abundance of saprotrophs, (2) the abundance and diversity of the ectomycorrhizal guild will be more preserved in partially clear-cut than in total clear-cut plots, and (3) the overall fungal diversity will decrease in the cut plots leading to major losses of ectomycorrhizal species. Our results show that soil fungal composition changed across the five years after clear-cutting by decreasing ectomycorrhizal fungi and increasing saprotrophs. However, these changes did not significantly affect fungal diversity and there were taxa-specific responses to tree harvest treatments. Boletus edulis, the most abundant ectomycorrhizal species fruiting in the study area and a valuable local non-forest resource, was negatively affected by either clear-cutting treatments. Soil fungal community composition in partially clear-cut areas was not different from that of total clear-cut areas. Our results indicate a strong effect of tree harvest on the relative abundance of ectomycorrhizal fungi along the first years after clear-cutting. However, levels of fungal diversity were comparable to the undisturbed forest, thus suggesting a potential further recovery of ectomycorrhizal fungi through the colonization of the regenerated seedlings.
632 - Plant damage, injuries. Plant diseases. Pests, organisms injurious to plants. Plant protection
Is part of
Forest Ecology and Management
Parladé, J., M. Queralt, J. Pera, J.A. Bonet, C. Castaño, F. Martínez-Peña, J. Piñol, M.A. Senar, and A.M. De Miguel. 2019. "Temporal Dynamics Of Soil Fungal Communities After Partial And Total Clear-Cutting In A Managed Pinus Sylvestris Stand". Forest Ecology And Management 449: 117456. Elsevier BV. doi:10.1016/j.foreco.2019.117456.
Grant agreement number
MINECO/Programa Estatal de I+D+I orientada a los retos de la sociedad/AGL2015-66001-C3-3-R/ES/Evaluación de la diversidad fúngica del suelo y de su influencia en la provisión de hongos ectomicorrícicos comestibles en sistemas forestales/MYCOSYSTEMS
MINECO/Programa Estatal de I+D+I orientada a los retos de la sociedad/RTI2018-099315-A-I00/ES/RESPUESTAS FUNGICAS, SOBRE Y BAJO EL SUELO, A LA GESTION FORESTAL Y A LAS PROPIEDADES FISICOQUIMICAS DEL SUELO EN ECOSISTEMAS FORESTALES MEDITERRANEOS/
Protecció Vegetal Sostenible
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- ARTICLES CIENTÍFICS 
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