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Boletín de la Sociedad Argentina de Botánica

On-line version ISSN 1851-2372

Abstract

ALVAREZ, Juan A et al. Estructura, distribución y estado de conservación de los bosques de Prosopis flexuosa del Bolsón de Fiambalá (Catamarca). Bol. Soc. Argent. Bot. [online]. 2015, vol.50, n.2, pp.193-208. ISSN 1851-2372.

The Prosopis flexuosa woodlands have historically allowed the survival and development of productive oasis at the foot of the Andes mountains, through the use of their forest resources. Current regulations state that the use of these resources depends on the zoning of forests. However, knowledge of dryland forests is incomplete. Our aim were to determine the distribution, structure, preservation and growth of these woodlands. Woodland units were identified by supervised classification of images. Population studies of P. flexuosa were performed allometric variables were measured and applied traditional dendrochronological techniques. Two woodland types were distinguished: dense forest with greatest total coverage (39%) and sparse forest (21%). Basal diameter structures were similar, however, in the dense forest were greater overall height, the amount of timber trees and basal area. In both forests, was similarly use and conservation status. The differences between forests can be explained by the position of the forest on the underground aquifer and soil type. The conservation and controlled use of these resources is a contribution to mitigating climate change because Prosopis woodlands are the main reservoir of C in desert.

Keywords : Woodland; Monte desert; Wood products; Population attributes.

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