Sulla stima del fattore colturale della USLE-MM per coperture forestali ad eucalitto

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Abstract

[automatically translated] The crop factor C of the Universal Soil Loss Equation (USLE) expresses the anti-erosive effect of plant cover in respect of the soil. For the case of cultivated land it varies with the crop rotation with agricultural practices, the level of productivity of the soil, with the duration of the various phases of vegetation and the temporal distribution of precipitation. In the context of soils characterized by forest cover factor C is associated, in addition to precipitation, also the percentage of actually covered ground, in the presence or absence of grazing, the forestry practices (cuts), the occurrence of damage due to fire or plant diseases, the possible activation of preparatory work to plants. Its assessment can be carried out properly, however if you have experimental measurements of soil loss and a model capable of synthetically interpret the erosion process. In memory, assumed the validity of the USLE-MM scheme, recently developed for some Italian experimental sites, we calculated the C factor corresponding to a forest cover to eucalyptus in a Calabrian experimental basin. The investigation has first of all put in evidence the effect of a silvicultural intervention on the temporal variation of C and, more generally, the dependence of this factor from the erosivity of the precipitation characteristics. recently developed for some Italian experimental sites, it calculated the C factor corresponding to a forest cover to eucalyptus in a Calabrian experimental basin. The investigation has first of all put in evidence the effect of a silvicultural intervention on the temporal variation of C and, more generally, the dependence of this factor from the erosivity of the precipitation characteristics. recently developed for some Italian experimental sites, it calculated the C factor corresponding to a forest cover to eucalyptus in a Calabrian experimental basin. The investigation has first of all put in evidence the effect of a silvicultural intervention on the temporal variation of C and, more generally, the dependence of this factor from the erosivity of the precipitation characteristics.
Original languageItalian
Number of pages6
Publication statusPublished - 2011

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