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Quebracho (Santiago del Estero)
versión impresa ISSN 0328-0543versión On-line ISSN 1851-3026
Resumen
DIAZ LEZCANO, M. I. et al. Estimating carbon content in sylvopastoral sytems of Prosopis spp in the paraguayan central chaco. Quebracho (Santiago del Estero) [online]. 2019, vol.27, n.1, pp.54-54. Epub 01-Oct-2019. ISSN 0328-0543.
Silvopastoral systems can contribute to mitigate global warming through carbon sequestration and storage. This work was carried out in the Western Region of Paraguay, in areas of the Boquerón and Presidente Hayes Departments for silvograzing. The objective of this work was to estimate the carbon content of silvopastoral systems. For the study, eight 1 ha plots each were set. To determine the tree biomass, censuses were carried out by registering all the individuals including the regeneration. Flower composition, diameter, basal area, total volume of forest species; biomass and tree carbon; biomass and herbaceous carbon, soil carbon and the total carbon of the system were the parameters evaluated. Biomass and tree carbon were determined through allometric equations. A total of 247 individuals belonging to the Prosopis genus were registered, i.e. 31 individuals per hectare in average. The basal area was of 0.3 m. ha-1 and the total volume was of 1.5 m. ha-1. The carbon content in the forest component was of 1.1 tC ha-1 and 1 tC ha-1 according to the IPCC and the Sato’s equation, respectively. The Student T test allowed to corroborate that there are no significant differences between the methodologies used. The carbon content in the pasture was 0.9 tC ha-1 under shade and of 0.3 tC ha-1 under the sun. The soil carbon was of 39.69 tC ha-1. The average carbon in the silvopastoral system was of 41.7 tC ha-1.
Palabras clave : carbon; silvopastoril; carob; pasture; soil; Prosopis.