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Acta Biológica Colombiana
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Acta Biológica Colombiana
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Article . 2017
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Article . 2017
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MURCIÉLAGOS DISPERSORES DE SEMILLAS EN GRADIENTES SUCESIONALES DE LA ORINOQUIA (SAN MARTÍN, META, COLOMBIA)

Authors: CASALLAS-PABÓN, Diego; CALVO-ROA, Nathaly; ROJAS-ROBLES, Rosario;

MURCIÉLAGOS DISPERSORES DE SEMILLAS EN GRADIENTES SUCESIONALES DE LA ORINOQUIA (SAN MARTÍN, META, COLOMBIA)

Abstract

La dispersión de semillas por fauna juega un papel fundamental en la reproducción vegetal. Los murciélagos son unos de los dispersores de semillas más importantes en los ecosistemas neotropicales. El objetivo en esta investigación fue describir la comunidad de murciélagos y las semillas que potencialmente dispersan, en el gradiente sucesional (sabana, arbustal, borde de bosque y bosque ripario), de una localidad de la altillanura colombiana. Se midió abundancia, riqueza, diversidad de murciélagos y las semillas de sus heces. Se capturaron 534 individuos pertenecientes a cuatro familias y 39 especies. Las especies más abundantes fueron Carollia perspicillata, Artibeus obscurus y Molossus molossus. C. perspicillata y A. obscurus presentaron los mayores valores en el índice de dispersión de semillas (DII). Los registros pertenecen a seis gremios, siendo más abundantes los frugívoros (sedentarios y nómadas). El hábitat con mayor abundancia y riqueza de especies de murciélagos fue el borde de bosque. Se recolectaron un total de 11808 semillas, siendo Cecropia engleriana la especie más abundante. Los estados sucesionales difieren significativamente en abundancia de semillas, mas no en riqueza; mostrando dominancia de determinados géneros de semillas. Se resalta el arbustal como dinamizador de la sucesión, con un flujo potencial de semillas diversas, donde los murciélagos juegan un papel clave para su dispersión, pues aquellos que vuelan sobre las áreas abiertas tienen la misma carga de semillas para dispersar que los hallados en el bosque, evidenciando un potencial de regeneración coadyuvado por una comunidad de murciélagos con una estructura diversa en grupos tróficos y especies.

Country
Colombia
Related Organizations
Keywords

trophic guilds, gremios tróficos, QH301-705.5, ecological restoration, trophic guilds., restauración ecológica, bats, 57 Ciencias de la vida; Biología / Life sciences; biology, bat, quiróptera, Biodiversity, succession, sucesión., Chiroptera, Mammalia, sucesión, Animalia, Biology (General), Chordata

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    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
11
Top 10%
Average
Average
Green
gold