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Richness and uses in a diverse palm site in Bolivia

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Abstract

The study site is located in the southern part of the Iturralde Province, Department of La Paz, in western Bolivia. This area is generally characterized by mixed vegetation types from the tropical mountain forests as well as lowland forests and savannas. It lies in an altitudinal range of 400–1850 m, with an average temperature of 24–28°C and a rainfall of 2000–5000 mm per year. The richness in palms of this region is the highest reported for Bolivia; it comprises 19 genera, 70% of all genera known in Bolivia and 29 palm species (34%). Three main phytogeographic elements are mixed and integrated in the area; palms from the Andean, Amazonian, and Central Brazilian (Cerrado) units are found in approximately 4.5 ha. Nearly 66% of these palm species are concentrated in the mountain forests between 500–1800 m, reaching the highest altitudinal limit in this area, of which the most common species is Iriartea deltoidea. Approximately 55% of the palm species are used by local people — the original ethnic group, the Tacanas, and settlers— in order to get materials for construction, different qualities of thatching, fruit for food and beverages, fibres for artesanal products, medicines and handicrafts.

Abstract

El área de estudio está localizada en la región sur de la Provincia Iturralde, del Departmento de La Paz, al oeste de Bolivia. Está caracterizada por una mezcla de tipos de vegetación, que incluye desde bosques montanos tropicales hasta bosques de tierras bajas y sabanas. Se encuentra en un rango altitudinal de 400–1850 m, con un promedio de temperature de 24–28°C y una precipitación de 2000–5000 mm por año. La riqueza de palmas en esta región es la más alta reportada para Bolivia: 19 géneros, que significan el 70% del total de géneros de palmas registrado para Bolivia y 29 especies de palmas (34%). Tres elementos fitogeográficos están mezclados e integrados en el área: en ca. 4.5 ha se encuentran palmas de los Andes, de la Amazonia y del Centro brasileño (cerrado). Aproximadamente el 66% de las especies de palmas está concentrado en los bosques montanos entre 500–1800 m, que alcanzan su mayor límite altitudinal en el área y donde la especie más común es Iriartea deltoidea. Cerca al 55% de las especies de palmas es utilizado por la gente local—como el grupo originario Tacanas y colonos-para la obtención de material de construcción, diferentes calidades de techos, frutos para alimento y bebidas, fibras para productos artesanales, medicinas y artesanías.

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Moraes R., M., Sarmiento, J. & Oviedo, E. Richness and uses in a diverse palm site in Bolivia. Biodivers Conserv 4, 719–727 (1995). https://doi.org/10.1007/BF00158865

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  • DOI: https://doi.org/10.1007/BF00158865

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