Evaluación del estado de amenaza y estrategias de conservación ex situ para cinco especies de Puya (Bromeliaceae) endémicas de los departamentos de Boyacá y Cundinamarca

dc.contributor.advisorRaz, Laurenspa
dc.contributor.advisorAguirre Santoro, Julián Andrésspa
dc.contributor.authorSuarez Ballesteros, Carlos Ivanspa
dc.contributor.orcidCarlos Suarez-Ballesteros [0000000309341509]spa
dc.coverage.countryColombiaspa
dc.coverage.regionCundinamarcaspa
dc.coverage.regionBoyacáspa
dc.date.accessioned2025-04-03T12:50:22Z
dc.date.available2025-04-03T12:50:22Z
dc.date.issued2025
dc.descriptionilustraciones, fotografías a color, mapas, tablasspa
dc.description.abstractEl género Puya (Bromeliaceae) es un linaje filogenéticamente estable y fácilmente diagnosticable, distribuido en la cordillera de los Andes. En Colombia, se registran 38 especies distribuidas entre los 2800 y 4300 metros de altitud. La restricción de las especies a estas áreas, conllevo a que el 47.3 % de las especies estén amenazadas. Por estas razones el desarrollar estudios que evalúen límites taxonómicos entre especies, el estado de amenaza y estrategias de conservación es relevante para la implementación de iniciativas de conservación. Esta investigación evalúa estos aspectos para Puya boyacana, P. cleefii, P. exuta, P. grubbii y P. loca especies altamente amenazadas de los departamentos de Boyacá, Cundinamarca. Para identificar grupos taxonómicos se emplearon modelos de mezcla normal y de distribución. Se realizaron muestreos en campo para evaluar la estructura poblacional, las amenazas que enfrentan y se recolectaron semillas para el desarrollo de estrategias de conservación ex situ. Respecto a la identificación grupos taxonómicos los caracteres morfológicos analizados no permitieron delimitar las especies y los modelos de distribución evidenciaron solapamiento con especies cercanas, lo que podría facilitar el entrecruzamiento dificultando su delimitación. Con excepción de P. boyacana, que no fue encontrada, las especies tienen bajas abundancias y una reproducción predominantemente asexual mediante ramets. Con excepción de P. exuta, las especies cuentan con esquemas de conservación in situ, las cuales no garantizan su conservación. Respecto a la conservación ex situ, las especies pueden conservarse en bancos de semillas; sin embargo, es crucial investigar el establecimiento de plántulas en condiciones naturales, ya que la eliminación de ramets podría ocasionar extinciones locales. Finalmente, es imprescindible desarrollar proyectos de conservación que fortalezcan las capacidades institucionales y promuevan la participación comunitaria para implementar estrategias sostenibles y efectivas (Texto tomado de la fuente).spa
dc.description.abstractThe genus Puya (Bromeliaceae) is a phylogenetically stable and easily diagnosed lineage distributed throughout the Andes Mountain range. In Colombia, 38 species are recorded, distributed between 2,800 and 4,300 meters above sea level. The restriction of species to these areas has resulted in 47.3% of the species being threatened. For these reasons, developing studies that evaluate taxonomic boundaries between species, their threat status, and conservation strategies is relevant for the implementation of conservation initiatives. This research evaluates these aspects for Puya boyacana, P. cleefii, P. exuta, P. grubbii, and P. loca, highly threatened species from the departments of Boyacá, Cundinamarca. Normal mixing and distribution models were used to identify taxonomic groups. Field sampling was conducted to assess population structure and the threats they face, and seeds were collected for the development of ex situ conservation strategies. Regarding the identification of taxonomic groups, the morphological characteristics analyzed did not allow species to be delimited, and the distribution patterns showed overlap with closely related species, which could facilitate interbreeding and make their delimitation difficult. Except for P. boyacana, which was not found, the species have low abundances and reproduce predominantly asexually through ramets. Except for P. exuta, the species have in situ conservation schemes, which do not guarantee their conservation. Regarding ex situ conservation, the species can be conserved in seed banks; however, it is crucial to investigate the establishment of seedlings under natural conditions, since the elimination of ramets could lead to local extinctions. Finally, it is essential to develop conservation projects that strengthen institutional capacities and promote community participation to implement sustainable and effective strategies.eng
dc.description.degreelevelMaestríaspa
dc.description.degreenameMagister en Ciencias – Biologíaspa
dc.description.researchareaTaxonomía y conservaciónspa
dc.format.extent93 páginasspa
dc.format.mimetypeapplication/pdfspa
dc.identifier.instnameUniversidad Nacional de Colombiaspa
dc.identifier.reponameRepositorio Institucional Universidad Nacional de Colombiaspa
dc.identifier.repourlhttps://repositorio.unal.edu.co/spa
dc.identifier.urihttps://repositorio.unal.edu.co/handle/unal/87828
dc.language.isospaspa
dc.publisherUniversidad Nacional de Colombiaspa
dc.publisher.branchUniversidad Nacional de Colombia - Sede Bogotáspa
dc.publisher.facultyFacultad de Cienciasspa
dc.publisher.placeBogotá, Colombiaspa
dc.publisher.programBogotá - Ciencias - Maestría en Ciencias - Biologíaspa
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dc.relation.referencesUICN. (2019). Directrices de uso de las Categorías y Criterios de la Lista Roja de la UICN: Vol. Versión 14. la Unión Internacional para la Conservación de la Naturaleza. https://www.iucnredlist.org/es/resources/redlistguidelines.spa
dc.relation.referencesVadillo, G., Suni, M., & Cano, A. (2004). Viabilidad y germinación de semillas de Puya raimondii Harms (Bromeliaceae). Revista Peruana de Biología, 11(1), 71–78.spa
dc.relation.referencesVeldhuisen, L., Garcia, M., Bodine, E., Aguirre-Santoro, J., & Jabaily, R. (2022). Description of life history and reproductive size thresholds in three high elevation Puya (Bromeliaceae). BioRxiv Preprint, 1–27. https://doi.org/10.1101/2022.02.18.480924spa
dc.relation.referencesVolis, S. (2017). Conservation utility of botanic garden living collections: Setting a strategy and appropriate methodology. Plant Diversity, 39(6), 365–372. https://doi.org/10.1016/j.pld.2017.11.006spa
dc.relation.referencesWalters, C., & Pence, V. C. (2021). The unique role of seed banking and cryobiotechnologies in plant conservation. In Plants People Planet (Vol. 3, Issue 1, pp. 83–91). Blackwell Publishing Ltd. https://doi.org/10.1002/ppp3.10121spa
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dc.relation.referencesZhang, J., Xiao, C., Duan, X., Gao, X., Zeng, H., Dong, R., Feng, G., & Ma, K. (2024). Species geographical range, environmental range and traits lead to specimen collection preference of dominant plant species of grasslands in northern China. Plant Diversity, 1–9. https://doi.org/10.1016/j.pld.2024.02.001spa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.licenseAtribución-NoComercial-SinDerivadas 4.0 Internacionalspa
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/spa
dc.subject.ddc500 - Ciencias naturales y matemáticas::508 - Historia naturalspa
dc.subject.ddc570 - Biología::575 - Partes específicas de y sistemas fisiológicos en plantasspa
dc.subject.lembMONOCOTILEDONEASspa
dc.subject.lembMonocotyledonseng
dc.subject.lembLILIALESspa
dc.subject.lembLilialeseng
dc.subject.lembTAXONOMIA VEGETALspa
dc.subject.lembBotany - Classificationeng
dc.subject.lembCONSERVACION BIOLOGICAspa
dc.subject.lembConservation biologyeng
dc.subject.lembPLANTULASspa
dc.subject.lembSeedlingseng
dc.subject.proposalDelimitación taxonómicaspa
dc.subject.proposalConservaciónspa
dc.subject.proposalEspecies amenazadasspa
dc.subject.proposalTaxonomic delimitationeng
dc.subject.proposalConservationeng
dc.subject.proposalThreatened specieseng
dc.titleEvaluación del estado de amenaza y estrategias de conservación ex situ para cinco especies de Puya (Bromeliaceae) endémicas de los departamentos de Boyacá y Cundinamarcaspa
dc.title.translatedAssessment of the threat status and ex situ conservation strategies for five species of Puya (Bromeliaceae) endemic to the departments of Boyacá and Cundinamarcaeng
dc.typeTrabajo de grado - Maestríaspa
dc.type.coarhttp://purl.org/coar/resource_type/c_bdccspa
dc.type.coarversionhttp://purl.org/coar/version/c_ab4af688f83e57aaspa
dc.type.contentTextspa
dc.type.driverinfo:eu-repo/semantics/masterThesisspa
dc.type.redcolhttp://purl.org/redcol/resource_type/TMspa
dc.type.versioninfo:eu-repo/semantics/acceptedVersionspa
oaire.accessrightshttp://purl.org/coar/access_right/c_abf2spa

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