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vol.57 suppl.1Caracterización florística y estructural de tres fragmentos boscosos secundarios en Cartago, Costa RicaLas ciperáceas (Cyperaceae) de la Estación Biológica La Selva, Costa Rica author indexsubject indexarticles search
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Revista de Biología Tropical

On-line version ISSN 0034-7744Print version ISSN 0034-7744


AGUILAR BARQUERO, Virginia  and  JIMENEZ HERNANDEZ, Fabiola. Diversidad y distribución de palmas (Arecaceae) en tres fragmentos de bosque muy húmedo en Costa Rica. Rev. biol. trop [online]. 2009, vol.57, suppl.1, pp.83-92. ISSN 0034-7744.

Palm (Arecaceae) diversity and distribution in three humid forest fragments in Costa Rica. To determine the existing differences between species composition of palms in forest fragments with different disturbance regimes, three forest fragments at "El Zota", Cariari de Guápiles, Costa Rica, were chosen according to their disturbance level: 1) Disturbed primary forest (B1-i), 2) Secondary forest (B2) and 3) Primary forest (B1). A field survey was carried out in nested plots, where palms were identified and counted according to three size categories: i) 0.15 m to 1.35 m ii) 1.35 m to 5 m and iii) more than 5 m in height. The diversity found in B1 and B1-i is very similar, meanwhile the B2 has the lowest diversity. Palm abundance and distribution were influenced by the level of disturbance of the fragment. The B1-i presents the higher diversity in the first size categories, while B1 has the highest abundance of palms over 5 m tall. Rev. Biol. Trop. 57 (Suppl. 1): 83-92. Epub 2009 November 30.

Keywords : palms; forest fragments; humid forest; forest restoration; disturbance; palm diversity; Costa Rica.

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