Bromeliad Communities in Isolated Trees and Three Successional Stages of an Andean Cloud Forest in Ecuador


tropical montane forest
isolated trees

How to Cite

Dunn, R. R. (2000). Bromeliad Communities in Isolated Trees and Three Successional Stages of an Andean Cloud Forest in Ecuador. Selbyana, 21(1/2), 137–143. Retrieved from


A study conducted in 1996 at Las Palmeras, Ecuador, surveyed bromeliad communities in a 10-year-old secondary forest, in a 30-year-old secondary forest, and in isolated trees in a tropical montane forest. A comparison was made with the bromeliad community in a nearby mature forest to assess the recovery of epiphyte communities following disturbance. Bromeliad abundance, species richness, and volume were greater in the mature forest compared to the two secondary ones. Differences in bromeliad species richness and abundance among and within forests were correlated with host tree diameter at breast height (dbh). Bromeliads on isolated forest trees were less diverse but more abundant than on mature forest trees. No relationship was found between the distance of isolated forest trees from adjacent forest and the abundance or species richness of bromeliads present in their crowns. Se compararon las comunidades de bromelias en un bosque secundario de diez años, un bosque secundario de treinta años, y árboles aislados con las comunidades de bromelias en un bosque maduro, para entender mejor la recuperación de las comunidades del dosel después de la perturbación. Se hizo este estudio en un bosque de niebla localizado en Las Palmeras, Ecuador. La abundancia, diversidad, y volumen de las bromelias fue mayor en el bosque primario que en los dos bosques secundarios. Las diferencias en abundancia y diversidad de bromelias entre bosques fueron corelacionado con el Diámetro a la Altura del Pecho de los árboles anfitriones. La diversidad de bromelias en árboles aislados fue menor y la abundancia mayor que en los árboles del bosque primario. No hubo relación entre la distancia de árboles aislados del bosque y la abundancia o diversidad de bromelias.


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