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Ver términos de la licenciaGelvez Zúñiga, Irene, et al. (2016). Nectar robbing in Collaea cipoensis (Fabaceae), an endemic shrub of the Brazilian rupestrian grasslands. Revista Mexicana de Biodiversidad; Vol. 87, núm. 4, 2016: diciembre. Recuperado de https://repositorio.unam.mx/contenidos/23895
Autor(es)
Gelvez Zúñiga, Irene; Aguirre, Armando; Martén Rodríguez, Silvana; Matos Gomes, Vanessa; Barbosa, Arleu; Bordignon Fernandes, Leandra; Rocha, Rosana; Geraldo W.
Adscripción del autor
Instituto de Ecología A.C.
Tipo
Artículo de Investigación
Área del conocimiento
Biología y Química
Título
Nectar robbing in Collaea cipoensis (Fabaceae), an endemic shrub of the Brazilian rupestrian grasslands
Fecha
2016-11-22
Resumen
Nectar robbery is common in flowering plants with tubular corollas and can affect plant reproductive success. Our study characterized the interaction between potential pollinators and nectar robbers, and assessed the effects on flower abortion in a population of the restricted endemic Collaea cipoensis (Fabaceae) at Serra do Cipó, Brazil. We conducted observations of floral visitors to identify potential pollinators from nectar robbers and described visitor behavior. We also analyzed the frequency of robbery and its relationship with flower visitation. Trigona spinipes and Apis mellifera were identified as the main nectar robbers and two humming bird species Colibri serrirostris and Eupetomena macroura, as potential pollinators. Overall, 570 sampled flowers presented robber damage while 716 were intact. Intact flowers received more visits than flowers with damage. Mean flower abortion ratio did not vary between damaged and intact flowers. Accordingly, a survey of developed fruits indicated that 86% of fruits came from intact flowers. Our results suggest that the damage by nectar robbers in C. cipoensis flowers could affect the reproductive success of this species, interfering with fruit production.
Tema
Nectar robberies; Collaea cipoensis; Hummingbirds; Trigona; Pollination
Idioma
eng
ISSN
2007-8706; 1870-3453
DOI
https://doi.org/10.1016/j.rmb.2016.09.004
