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Wildfire and forest management effects on soil properties
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[eng] Forest fires are a common phenomenon in the Mediterranean ecosystem. These wildfires, post-fire weather conditions and forest management before and after the fire can cause irreversible damage to the soil. This thesis aims to study the impact of different forest management on soil physical, chemical and microbiological properties after a forest fire. Occasionally, before a forest fire, the area has been managed. The effectiveness of this management reaches up to ten years after it has been carried out, after that decrease its effectivity in the case of wildfire. The meteorological conditions after the fire are extremely important because they will allow the incorporation, or not, of the ashes produced during the fire. Among the results found in this study we can point out that even in conditions of torrential rainfall just after a forest fire, in areas where the slope is scarce or null, the ashes have the capacity to be incorporated into the soil. In cases where it is extremely necessary to carry out forest management, this should be done manually avoiding the use of heavy machinery. Another very important factor to take into account after a fire is the fire severity resulting in long-term differences in soil properties. In these areas, what is recovered is a dense vegetation cover that increases the fire risk. To avoid this situation, it is necessary to carry out a forest management between the medium- and long-term after the fire to reduce the risk of forest fire and decrease plant density and try to facilitate that the soil can recover its optimal conditions. This management between the medium and the long term after a forest fire is necessary and must be carried out in a sustainable way in order to preserve the conditions of the soil and that it is in optimal conditions for future forest fires.
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FRANCOS QUIJORNA, Marcos. Wildfire and forest management effects on soil properties. [consulta: 27 de novembre de 2025]. [Disponible a: https://hdl.handle.net/2445/133679]