Abstract (en):
The mutual relationships between bats and vegetation, in addition to the individual benefits, are significant contributors to the tropical forest regeneration through seed dispersal. As the bats eat the fruits of pioneer plants they provide secondary succession dispersing the ingested seeds into the forest as well as in the degraded areas. This study compared the structure and composition of the fruit bats and the seeds dispersed in different successional habitats (mature forest, secondary growth with seven years of regeneration, secondary growth with one year of regeneration and pasture) in the Forest Reserve Bremen-La Popa (Filandia-Quindío, Colombia). Mist nets were used to capture the bats and samples of their feces were also obtained. Abundance, richness and equity of the fruit bats and the seeds dispersed were higher in those habitats with older regeneration. The bats Artibeus lituratus and Sturnira lilium were more abundant in the pasture and in the early successional stages of one and seven years. The seeds most dispersed by bats were Cecropia telealba, Solanum undullata, Solanum aphydendron and Solanum acerifolium.
Abstract (es):
La relación mutualista entre murciélago-vegetación, además de los beneficios individuales, contribuye de manera importante a la regeneración de los bosques tropicales a través de la dispersión de semillas. Los murciélagos al consumir los frutos de plantas pioneras facilitan la sucesión secundaria, dispersando las semillas que ingieren tanto en bosques como en áreas degradadas. En este estudio se comparó la estructura y composición del conjunto de murciélagos frugívoros y las semillas que dispersaron en hábitats con diferente estado sucesional (bosque maduro, crecimiento secundario con siete años de regeneración, crecimiento secundario con un año de regeneración y pastizal) en la Reserva Forestal Bremen-La Popa (Filandia, Quindío). Se utilizaron redes de niebla para la captura de los murciélagos y se obtuvo muestras de materia fecal. La abundancia, riqueza y equidad del conjunto de murciélagos frugívoros y de las semillas que dispersaron fue superior en los hábitats con mayor edad de regeneración. Artibeus lituratus y Sturnira lilium fueron los murciélagos más abundantes en pastizales y en los estados sucesionales tempranos de uno y siete años. Las semillas más dispersadas por los murciélagos fueron de Cecropia telealba, Solanum undullata, S. aphydendron y S. acerifolium.
Keywords:
Frugivorous bats, Forest regeneration, Pioneer species, Secondary succession, Colombia (en)
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How to Cite
Aguilar Garavito, M., Renjifo, L. M., & Pérez-Torres, J. (2014). Seed dispersal by bats across four successional stages of a subandean
landscape. Biota Colombiana, 15. Retrieved from https://revistas.humboldt.org.co/index.php/biota/article/view/357
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