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Acta Biológica Colombiana
Article . 2017 . Peer-reviewed
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Acta Biológica Colombiana
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Acta Biológica Colombiana
Article . 2017
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Polinización por abejas en Syagrus orinocensis (Arecaceae) en la Orinoquia colombiana

Authors: Luis Alberto Nuñez Avellaneda; Javier Isnardo Carreño;

Polinización por abejas en Syagrus orinocensis (Arecaceae) en la Orinoquia colombiana

Abstract

La ecología de la polinización de Syagrus orinocensis fue estudiada durante tres períodos reproductivos, en un bosque de piedemonte en Casanare, Orinoquia colombiana. Syagrus orinocensis crece hasta 10m., produce de una a cuatro inflorescencias bisexuales aunque ocasionalmente son unisexuales. Las bisexuales presentan flores estaminadas y pistiladas agrupadas en tríadas, y las unisexuales llevan sólo estaminadas en díadas. Las inflorescencias protándricas abren de día, y permanecieron activas 26 días; la fase masculina se extendió los primeros 15 días, siguió una fase inactiva por 8 días, y finalmente, la fase pistilada por tres días. Las inflorescencias fueron visitadas por 43 especies de insectos de los ordenes Coleoptera, Hymenoptera y Diptera. Los insectos visitaron las inflorescencias en fase masculina, donde buscaban polen y lugares para reproducirse, mientras que en la fase femenina buscaban néctar. Los polinizadores más efectivos fueron abejas meliponinas (Apidae, Meliponini), que transfirieron adherido a su cuerpo el 83 % del polen. La presencia, constancia y eficiencia de abejas durante el estudio son evidencia sólida de melitofilia en palmas. Este caso de melitofilia permitió proponer los criterios para redefinir este tipo de polinización en palmas silvestres neotropicales.

Country
Colombia
Keywords

pollination syndrome, QH301-705.5, 57 Ciencias de la vida; Biología / Life sciences; biology, Arecaceae, polinizador eficiente, pollination syndrome., síndrome de polinización., pollinators efficient, mellitophilia, Biology (General), melitofilia, síndrome de polinización

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    popularity
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    influence
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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!
10
Top 10%
Average
Average
Green
gold