Prescribed burning has negligible effects on the plant-soil system in Pinus sylvestris L. forests of the European Alps
Abstract The current increase in large wildfires is a socio-economic and ecological threat, particularly in populated mountain regions. Prescribed burning is a fuel management technique based on the planned application of fire to achieve land management goals; still, little is known about its potent...
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| Main Authors: | , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Nature Portfolio
2025-04-01
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| Series: | Scientific Reports |
| Online Access: | https://doi.org/10.1038/s41598-025-97239-1 |
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| Summary: | Abstract The current increase in large wildfires is a socio-economic and ecological threat, particularly in populated mountain regions. Prescribed burning is a fuel management technique based on the planned application of fire to achieve land management goals; still, little is known about its potential impacts on tree physiology and soil properties in the European Alps, where it has never been applied. In spring 2022, we tested the effects of prescribed burning for fire hazard reduction in a dry conifer forest dominated by Scots pine (Pinus sylvestris L.). We generated an intensity gradient by manipulating surface fuels at the base of selected trees and evaluated prescribed burning effects on branch hydraulic conductivity, wood anatomy and soil physico-chemical properties in the short- and mid-term, up to one year after the treatment, with controls outside the treated area. The results showed that prescribed burning led to an effective surface fuel load reduction, and the plant-soil system was resistant, despite being affected by a considerable lack of rainfall. We conclude that even a high-intensity prescribed burning can be considered sustainable for reducing fire hazard in Scots pine forests of the European Alps, with these findings being extendable to similar forest ecosystems. |
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| ISSN: | 2045-2322 |