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Interacciones ecológicas de colibríes en alta montaña: preferencia de visitas a flores del chivito de páramo (Oxypogon stuebelii)
dc.contributor.advisor | Ocampo, David | |
dc.contributor.advisor | Ospina-Bautista, fabiola | |
dc.contributor.author | Chaves, Shara | |
dc.date.accessioned | 2024-04-04T15:12:07Z | |
dc.date.available | 2024-04-04T15:12:07Z | |
dc.date.issued | 2024-04-04 | |
dc.identifier.uri | https://repositorio.ucaldas.edu.co/handle/ucaldas/19847 | |
dc.description | Mapas, gráficas, estadisticas | spa |
dc.description.abstract | Conocer la interacción colibrí-planta en ecosistemas altamente sensibles como lo son los páramos, desde una perspectiva ecológica y evolutiva es un aspecto clave tanto en la gestión como en la conservación de áreas protegidas. El chivito de páramo (Oxypogon stuebelii) es un colibrí de alta montaña restringido casi completamente a los límites del Parque Nacional Natural Los Nevados en los Andes centrales de Colombia. Debido a su distribución restringida, ha sido categorizado como una especie amenazada a escala nacional e internacional; sin embargo, se desconocen aspectos básicos de su biología como el uso de hábitat. Mediante la identificación palinológica de muestra tomadas de la cabeza, pico y garganta se evaluó la preferencia de plantas visitadas, así como la estrategia de forrajeo del O. stuebelii. Se evaluó el cambio de fenología floral en tres diferentes temporadas para comparar la disponibilidad de recurso con el comportamiento de búsqueda de alimento por parte del colibrí. Se encontró una preferencia por las plantas de la familia Asteraceae, especialmente las especies Pentacalia vaccinioides y Pentacalia vernicosa, y un cambio de estrategia de forrajeo especialmente por los machos pasando de territorial a rutero cuando la disponibilidad del recurso cambió. Esta información es clave para identificar el grado de sensibilidad de la especie, con base en su uso de hábitat, y direccionar estrategias de conservación enfocado en los requerimientos específicos de especies altamente amenazadas. | spa |
dc.description.abstract | Understanding hummingbird-plant interactions in highly sensitive ecosystems such as the páramos, from an ecological and evolutionary perspective, is a key aspect in the management and conservation of protected areas. Buffy Helmetcrest (Oxypogon stuebelii) is a high mountain hummingbird restricted almost entirely to the limits of Los Nevados National Park in the central Andes of Colombia. Due to its restricted distribution, it has been categorized as a nationally and internationally threatened species; however, basic aspects of its biology, such as habitat use, are unknown. By means of palynological identification of samples taken from the head, beak and throat, the preference of plants visited and the foraging strategy of O. stuebelii was evaluated. The change in floral phenology was evaluated in three different seasons to compare resource availability with the foraging behavior of the hummingbird. We found a preference for plants of the Asteraceae family, especially the species Pentacalia vaccinioides and Pentacalia vernicosa, and a change in foraging strategy especially by males from territorial to roosting when resource availability changed. This information is key to identify the degree of sensitivity of the species, based on its habitat use, and to direct conservation strategies focused on the specific requirements of highly threatened species. | eng |
dc.description.tableofcontents | Introducción /Métodos/Resultados /Conclusiones /Referencias | spa |
dc.format.mimetype | application/pdf | spa |
dc.language.iso | spa | spa |
dc.title | Interacciones ecológicas de colibríes en alta montaña: preferencia de visitas a flores del chivito de páramo (Oxypogon stuebelii) | spa |
dc.type | Trabajo de grado - Pregrado | spa |
dc.description.degreelevel | Universitario | spa |
dc.identifier.instname | Universidad de Caldas | spa |
dc.identifier.reponame | Repositorio Institucional Universidad de Caldas | spa |
dc.identifier.repourl | repositorio.ucaldas.edu.co | spa |
dc.publisher.faculty | Facultad de Ciencias Exactas y Naturales | spa |
dc.publisher.place | Manizales | spa |
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dc.rights.accessrights | info:eu-repo/semantics/openAccess | spa |
dc.rights.accessrights | info:eu-repo/semantics/openAccess | spa |
dc.rights.accessrights | info:eu-repo/semantics/openAccess | spa |
dc.rights.accessrights | info:eu-repo/semantics/openAccess | spa |
dc.subject.proposal | Trochilidae | spa |
dc.subject.proposal | Mutualismo | spa |
dc.subject.proposal | Palinológica | spa |
dc.subject.proposal | Forrajeo | spa |
dc.subject.proposal | Fenología | spa |
dc.subject.unesco | Colibrí | |
dc.subject.unesco | Biología | |
dc.type.coar | http://purl.org/coar/resource_type/c_7a1f | spa |
dc.type.content | Text | spa |
dc.type.driver | info:eu-repo/semantics/bachelorThesis | spa |
dc.type.version | info:eu-repo/semantics/publishedVersion | spa |
oaire.version | http://purl.org/coar/version/c_ab4af688f83e57aa | spa |
oaire.accessrights | http://purl.org/coar/access_right/c_abf2 | spa |
dc.description.degreename | Biólogo(a) | spa |
dc.publisher.program | Biología | spa |
dc.rights.coar | http://purl.org/coar/access_right/c_abf2 | spa |
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