Diversidad y distribución de briófitos epífilos en <i>Beilschmiedia costaricensis</i> (Mez & Pittier) C.K. Allen (Lauraceae)

Diversity and distribution of epiphyllous bryophytes in <i>Beilschmiedia costaricensis</i> (Mez & Pittier) C.K. Allen (Lauraceae)

Palabras clave: Montane forests, diversity, Lejeuneaceae, Panama (en_US)
Palabras clave: Bosque montano, Lejeuneaceae, riqueza, Panamá (es_ES)

Resumen (es_ES)

En los bosques montanos tropicales los briófitos son importantes en términos de diversidad y funcionamiento; allí, los briófitos que crecen sobre hojas son particularmente abundantes. El objetivo fue evaluar la riqueza y composición de comunidades epífilas en tres zonas del dosel de un árbol hospedador en el Parque Internacional La Amistad, Panamá. En cada árbol se colocaron seis hojas al azar, dos por zona de la copa (baja, media y alta). Se registró en total 48 especies, 89 % pertenecen a Marchantiophyta y 11 % a Bryophyta. La familia Lejeuneaceae representó el 70 % de las especies. La riqueza de especies disminuye desde la zona baja del dosel hacia la parte alta; sin embargo, las comunidades son similares entre zonas. Condiciones microclimáticas específicas del sotobosque podrían favorecer una mayor riqueza en la zona baja del dosel. Realizar investigaciones teniendo en cuenta factores ambientales y estructurales del bosque permitirá una mejor comprensión de estos cambios en diversidad.

Resumen (en_US)

In tropical montane forests, bryophytes are important in terms of diversity and functioning, in which epiphyllous species grow on tree leaves of trees and shrubs, and they are particularly abundant. The objective of this article was to evaluate epiphyllous bryophyte species richness and community composition in three canopy zones (low, medium, high) of a host tree in “La Amistad” International Park, Panama. From each sampled tree, six random leaves were randomly collected, two per canopy zone. A total of 48 species were recorded, of which 89% belong to Marchantiophyta and 11% to Bryophyta. The Lejeuneaceae family accounted for 70% of the species. Species richness decreased from the lowest to the highest canopy zone, however, species communities were similar between zones. Microclimatic conditions characteristic of the forest understory might have favoured greater species richness in the lower canopy zone. Further research is needed, for taking into account environmental factors and forest structure may lead to a better understanding of the observed changes in diversity.

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Biografía del autor/a

Clotilde Arrocha

Herbario UCH, Universidad Autónoma de Chiriquí. David, Panamá.

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Cómo citar
Guerra Batista, N., Arrocha, C., Rodríguez Quiel, E., & Benítez Chávez, A. R. (2020). Diversidad y distribución de briófitos epífilos en <i>Beilschmiedia costaricensis</i&gt; (Mez & Pittier) C.K. Allen (Lauraceae). Colombia Forestal, 23(2), 47-58. https://doi.org/10.14483/2256201X.15177
Publicado: 2020-07-01
Sección
Artículos de investigación científica y tecnológica