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LA GRANJA. Revista de Ciencias de la Vida
versión On-line ISSN 1390-8596versión impresa ISSN 1390-3799
Resumen
JIMENEZ RUIZ, Edwin Rolando; FONSECA GONZALEZ, William y PAZMINO PESANTEZ, Leticia. SILVOPASTURE SYSTEMS AND CLIMATE CHANGE: ESTIMATE AND PREDICTION OF ARBOREAL BIOMASS. La Granja [online]. 2019, vol.29, n.1, pp.45-55. ISSN 1390-8596. https://doi.org/10.17163/lgr.n29.2019.04.
In this work both the biomass and carbon present in a vegetative cover from a silvopastoral system were quanti- fied. The system, composed of Hyparrhenia rufa and Guazuma ulmifolia, was established naturally in Balzar, Guayas province of Ecuador. By using a destructive method and a random sampling in nested plots both the arboreous and underground biomass of averagesized trees were measured as well as the necromass and herbaceous vegetation. Models were developed in order to estimate the volume and the biomass of the whole tree and its components (trunk, roots, branches and leaves). The arboreous biomass was estimated in 16,45 Mg/ha (8,23 MgC/ha), where as the herbaceous vegetation and the necromass were 1,4 and 1,9 Mg/ha (0,7 and 0,95 MgC/ha), respectively. The models predict the biomass and the volume in dependence of the diameter with less than 3% of error and R2 values higher than 96%. In addition, information regarding factors that influence the expansion of biomass were generated.
Palabras clave : Biomass; carbon; Guazuma; mitigation; allometric.