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Thesis

Spanish

ID: <

http://hdl.handle.net/10251/115381

>

Where these data come from
Evolución del incendio forestal de Carcaixent: dos años después

Abstract

The soil represents an essential component in a forest ecosystem. Forest fires are the cause that generates the greatest negative impact on the soil as a result of the elimination of the Flora and due to the alteration of the biogeochemical processes causing some changes to the soil properties. This work aims to study the effects on the soil two years after the fire of Carcaixent to determine the evolution of the properties soil over time, using the data obtained in year 2016 by Alexandre Serna to determine whether or not there is a recovery of the soil in general. In order to carry out this comparison, 5 samples were collected in the same sampling points of the year 2016, 4 samples of burned soil and 1 sample of soil control. Subsequently, experimental analyses were applied on the same physical, chemical and biological parameters that were determined in the year 2016. It was possible to observe a greater decrease of the fine fraction in the texture of the duel due to a continuous erosion, an increase of the carbonates and of the organic matter due to the contribution of the Ashes as a consequence of the fire of the flora. There is also a change in electrical conductivity because the study area has a washing area and another nutrient deposition, finally, it was observed that both the bases of change and the capacity of cation exchange have decreased due to the washing of nutrients generated by the continuous precipitation. TFGM

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