Prevalence of bird pollination in the Galapagos Archipelago

Prevalence of bird pollination in the Galapagos Archipelago

Trabajo presentado en el el congreso Island Biology 2014 celebrado en Hawai del 7 al 11 de julio de 2014.

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Bibliographic Details
Main Authors: Traveset, Anna, Olesen, Jens M., Nogales, Manuel, Vargas, Pablo, Jaramillo, Patricia, Antolín, Elena, Trigo, María del Mar, Heleno, Rubén H.
Format: comunicación de congreso biblioteca
Published: 2014-07-07
Online Access:http://hdl.handle.net/10261/180674
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spelling dig-ipna-es-10261-1806742020-05-21T12:16:23Z Prevalence of bird pollination in the Galapagos Archipelago Traveset, Anna Olesen, Jens M. Nogales, Manuel Vargas, Pablo Jaramillo, Patricia Antolín, Elena Trigo, María del Mar Heleno, Rubén H. Trabajo presentado en el el congreso Island Biology 2014 celebrado en Hawai del 7 al 11 de julio de 2014. Vertebrate pollination is a frequent phenomenon on islands, resulting from an >interaction release> owing to a density-compensation phenomenon and to arthropod scarcity. Such interaction release and its ecological relevance, however, have never been evaluated at community level. Here we studied for the first time the birdflower interactions in the 12 largest islands of the Galápagos archipelago, combining direct observations on flowers with indirect evidence (pollen transported on birds' beaks and perimandibular feathers). We found 19 bird species (out of the 23 land birds in Galápagos) visiting the flowers of 106 species. A large fraction of these interactions are unique (endemic) to one or a few islands, partly reflecting the different species composition and constraints of each island. Strikingly, one third of the visited flowers are alien, including two of the most invasive plants which are visited by most birds. Birds visit flowers consistently throughout the year and across the islands' main habitats. Our findings highlight the importance of flowers as a prevalent food resource for Galápagos birds at the same time that unravel an underappreciated role of such birds as likely pollinators of a wide array of plant species. The high level of invasions in Galápagos threatens the uniqueness of each island and thus the very essence that makes this archipelago so fascinating. We also advocate that vertebrate pollination in general, and bird pollination in particular, is probably more widespread than previously thought, especially in oceanic archipelagos, though the understanding of this component of biodiversity is still in its infancy. Peer Reviewed 2019-04-29T07:47:22Z 2019-04-29T07:47:22Z 2014-07-07 2019-04-29T07:47:22Z comunicación de congreso http://purl.org/coar/resource_type/c_5794 Island Biology 2014 http://hdl.handle.net/10261/180674 Sí none
institution IPNA ES
collection DSpace
country España
countrycode ES
component Bibliográfico
access En linea
databasecode dig-ipna-es
tag biblioteca
region Europa del Sur
libraryname Biblioteca del IPNA España
description Trabajo presentado en el el congreso Island Biology 2014 celebrado en Hawai del 7 al 11 de julio de 2014.
format comunicación de congreso
author Traveset, Anna
Olesen, Jens M.
Nogales, Manuel
Vargas, Pablo
Jaramillo, Patricia
Antolín, Elena
Trigo, María del Mar
Heleno, Rubén H.
spellingShingle Traveset, Anna
Olesen, Jens M.
Nogales, Manuel
Vargas, Pablo
Jaramillo, Patricia
Antolín, Elena
Trigo, María del Mar
Heleno, Rubén H.
Prevalence of bird pollination in the Galapagos Archipelago
author_facet Traveset, Anna
Olesen, Jens M.
Nogales, Manuel
Vargas, Pablo
Jaramillo, Patricia
Antolín, Elena
Trigo, María del Mar
Heleno, Rubén H.
author_sort Traveset, Anna
title Prevalence of bird pollination in the Galapagos Archipelago
title_short Prevalence of bird pollination in the Galapagos Archipelago
title_full Prevalence of bird pollination in the Galapagos Archipelago
title_fullStr Prevalence of bird pollination in the Galapagos Archipelago
title_full_unstemmed Prevalence of bird pollination in the Galapagos Archipelago
title_sort prevalence of bird pollination in the galapagos archipelago
publishDate 2014-07-07
url http://hdl.handle.net/10261/180674
work_keys_str_mv AT travesetanna prevalenceofbirdpollinationinthegalapagosarchipelago
AT olesenjensm prevalenceofbirdpollinationinthegalapagosarchipelago
AT nogalesmanuel prevalenceofbirdpollinationinthegalapagosarchipelago
AT vargaspablo prevalenceofbirdpollinationinthegalapagosarchipelago
AT jaramillopatricia prevalenceofbirdpollinationinthegalapagosarchipelago
AT antolinelena prevalenceofbirdpollinationinthegalapagosarchipelago
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