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Título: Fuelwood energy characteristics and biomass equations of the dominant species of northern Patagonian shrublands (Argentina)
Autor(es): Goldenberg, Matías Guillermo
Cardoso, Yamila A
Oddi, Facundo José
Garibaldi, Lucas Alejandro
Fecha de publicación: jul-2020
Editorial: Taylor and Francis
Citación: Goldenberg, M. G., Cardoso, Y. A., Oddi, F. J., & Garibaldi, L. A. (2020). Fuelwood energy characteristics and biomass equations of the dominant species of northern Patagonian shrublands (Argentina). Southern Forests: a Journal of Forest Science; 82 (1); 56-64.
Revista: Southern Forests
Abstract: Although shrublands can be highly abundant, their bioenergy potential has barely been addressed. This is the case in northern Patagonian shrublands, where there is a lack of knowledge regarding biomass quantity and quality. The objective of this study was to develop biomass equations for young shoots (resprouts) of five of the main woody species growing in northern Patagonian shrublands; quantify energy properties of their woods and, ultimately, estimate biomass and bioenergy stocks in resprouts for three contrasting shrublands. Resprouts were harvested in the field, and size (diameter and height) and dry weight were measured in the laboratory. Fuelwood energy parameters (moisture, density, calorific value, ash content) were determined to obtain energy density and fuelwood value index. We found biomass equations with good statistical fitness for all the studied species. Energy parameters of the analysed woods were comparable or even better (in terms of energy density) than those observed in other woody species commonly used as fuels. Embothrium coccineum showed the best fuelwood value index due to low ash content (0.2%). Shrublands under 50% of harvesting intensity produced 0.08 t ha–1 and 1.33 GJ ha–1 in a low productivity site, 0.34 t ha–1 and 5.66 GJ ha–1 in a medium productivity site, and 1.07 t ha–1 and 17.96 GJ ha–1 in a high productivity site from resprouts after approximately four years. This study suggests that some northern Patagonian shrublands have good potential to produce high quality biomass, therefore, sustainable management plans oriented to bioenergy should be developed in the region.
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ISSN: 2070-2620
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Este documento es resultado del financiamiento otorgado por el Estado Nacional, por lo tanto queda sujeto al cumplimiento de la Ley N° 26.899

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