Spatially-explicit effects of small-scale clear-cutting on soil fungal communities in Pinus sylvestris stands
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Date
2023
Authors
Centenaro, GiadaDe Miguel, Sergio
Martínez Peña, Fernando
Escribano, Rubén
Ponce, Ángel
Dashevskaya, Svetlana
Alday, Josu G.
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Abstract
Clear-cutting is a common silvicultural practice. Although temporal changes in the soil fungal community after clear-cutting have been widely investigated, little is known about stand-level variations in the spatial distribution of soil fungi, particularly at the clear-cut edge. We performed spatial soil sampling in three clear-cuts (0.5 ha), edge habitats, and surrounding forests 8 years after clear-cutting to examine the impact of clear-cutting on the soil fungal community (diversity, composition, guilds, and biomass) and soil properties in a managed Pinus sylvestris forest in northern Spain. Our analyses showed small differences in the composition of the soil fungal community between edge, forest, and clear-cut zones, with <4 % of the species strictly associated with one or two zones. The richness, diversity, and evenness of the fungal community in the edge zone was not significantly different to that in the forest or clear-cut zones, although the clear-cut core had approximately a third fewer ectomycorrhizal species than the edge or the forest. Saprotrophic fungi were widespread across the clear-cut–forest gradient. Soil fungal biomass varied significantly between zones, ranging from 4 to 5 mg g?1 dry soil in the forest and at the forest edge to 1.7 mg g?1 dry soil in the clear-cut area. Soil organic matter, pH, nitrogen, and phosphorus did not differ significantly between edge, forest, and clear-cutting zones and were not significantly related to the fungal community composition. Overall, our study showed that small-scale clear-cut treatments are optimal to guarantee, in the medium-term, soil fungal communities within harvested areas and at the forest edge that are comparable to soil fungal communities in the forest, even though the amount of fungal biomass in the clear-cut zone is lower than at the forest edge or in the forest.
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Centenaro, G., de-Miguel, S., Bonet, J. A., Martínez Peña, F., De Gomez, R. E. G., Ponce, Á., Dashevskaya, S., & Alday, J. G. (2024). Spatially-explicit effects of small-scale clear-cutting on soil fungal communities in Pinus sylvestris stands. Science of The Total Environment, 909, 168628.
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Gobernanza forestalSilvicultura
Bosques
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Agradecemos a Ayco Tack sus comentarios constructivos y útiles observaciones sobre el primer borrador del artículo. Damos las gracias a José Antonio Lucas Santolaya, Maria Jesús García Serrano y José María Barrio, gestores de la Junta de Castilla y León, por su contribución al diseño de las claras y por facilitar la recolección de las mismas. También damos las gracias a los propietarios de Pinar Grande y a los miembros del Instituto Micológico Europeo (IME): Ayuntamiento de Soria y Mancomunidad de los 150 pueblos de Soria por su ayuda en el diseño del experimento.