Antagonists and their effects in a hummingbird-plant interaction: Field experiments

Simple item page
AudienciaPúblico en generales_ES
CoberturaMéxicoes_ES
Fecha de ingreso2026-10-05T16:32:43Z
Fecha de publicación2008-01-01
ResumenIn the plant-hummingbird interaction both the rewards offered by plants and the pollen transport effected by hummingbirds are usually exploited by antagonists such as herbivores and nectar robbers, which do not provide a benefit to either mutualistic partner. These antagonists can directly and indirectly affect plant fitness by forcing hummingbirds to modify their foraging behaviour. The ecological significance of antagonists for the plant-hummingbird interaction is largely unknown. The goal of this work was to investigate the combined effects of herbivores and nectar robbers on the interaction between the distylous herb Bouvardia ternifolia and its hummingbird visitors. By simulating different intensities of herbivory and nectar theft, we studied (1) changes in the foraging behaviour of visiting hummingbirds, (2) differences in the use of floral morphs, (3) changes in nectar characteristics, and (4) their effects on plant fitness. On plants of both morphs, higher levels of leaf defoliation and nectar removal were related to a decrease in the number of visited flowers, an increase in the time-to-arrival of hummingbirds, and a reduction in nectar availability and sugar production. The pollination experiments showed that seed production on both floral morphs was significantly reduced by herbivory and nectar removal. These results suggest that herbivores and nectar robbers can directly affect hummingbird foraging patterns and reduce the fitness of the host plants.es_ES
Doihttps://doi.org/10.2980/1195-6860(2008)15[65:aateia]2.0.co;2es_ES
URIhttps://riuat.uat.edu.mx/handle/123456789/4563
Idiomaenes_ES
EditorialUNIVERSITE LAVALes_ES
RelaciónEcosciencees_ES
URL relacionadohttps://doi.org/10.2980/1195-6860(2008)15[65:aateia]2.0.co;2es_ES
DerechosAcceso restringido / Suscripción (Metadatos de producción científica)es_ES
Licenciahttp://purl.org/coar/access_right/c_16eces_ES
FuenteEcoscience
Palabra claveantagonistses_ES
Palabra claveBouvardia ternifoliaes_ES
Palabra clavedistylyes_ES
Palabra claveherbivoryes_ES
Palabra clavehummingbirdses_ES
Palabra clavenectar theftes_ES
TítuloAntagonists and their effects in a hummingbird-plant interaction: Field experimentses_ES
TipoArtículoes_ES
ArbitradoHa sido Arbitradoes_ES
AutorTorres, Itzel
AutorSalinas, Luis
AutorLara, Carlos
AutorCastillo-Guevara, Citlalli
AutorTorres, Itzeles_ES
AutorSalinas, Luises_ES
AutorLara, Carloses_ES
AutorCastillo-Guevara, Citlallies_ES
InstituciónUniversidad Autónoma de Tamaulipas
InstituciónUniversidad Autónoma de Tamaulipases_ES
Número1es_ES
Rango de páginas65-72es_ES
URL relacionadahttps://doi.org/10.2980/1195-6860(2008)15[65:aateia]2.0.co;2
Tipo de artículoIndexado
Tipo de artículoIndexadoes_ES
Volumen15es_ES

Files

Collections

Documentación Cientifica