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.advisor | Raz, Lauren | spa |
| dc.contributor.advisor | Aguirre Santoro, Julián Andrés | spa |
| dc.contributor.author | Suarez Ballesteros, Carlos Ivan | spa |
| dc.contributor.orcid | Carlos Suarez-Ballesteros [0000000309341509] | spa |
| dc.coverage.country | Colombia | spa |
| dc.coverage.region | Cundinamarca | spa |
| dc.coverage.region | Boyacá | spa |
| dc.date.accessioned | 2025-04-03T12:50:22Z | |
| dc.date.available | 2025-04-03T12:50:22Z | |
| dc.date.issued | 2025 | |
| dc.description | ilustraciones, fotografías a color, mapas, tablas | spa |
| dc.description.abstract | El 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.abstract | The 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.degreelevel | Maestría | spa |
| dc.description.degreename | Magister en Ciencias – Biología | spa |
| dc.description.researcharea | Taxonomía y conservación | spa |
| dc.format.extent | 93 páginas | spa |
| dc.format.mimetype | application/pdf | spa |
| dc.identifier.instname | Universidad Nacional de Colombia | spa |
| dc.identifier.reponame | Repositorio Institucional Universidad Nacional de Colombia | spa |
| dc.identifier.repourl | https://repositorio.unal.edu.co/ | spa |
| dc.identifier.uri | https://repositorio.unal.edu.co/handle/unal/87828 | |
| dc.language.iso | spa | spa |
| dc.publisher | Universidad Nacional de Colombia | spa |
| dc.publisher.branch | Universidad Nacional de Colombia - Sede Bogotá | spa |
| dc.publisher.faculty | Facultad de Ciencias | spa |
| dc.publisher.place | Bogotá, Colombia | spa |
| dc.publisher.program | Bogotá - Ciencias - Maestría en Ciencias - Biología | spa |
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| dc.relation.references | Stanton, D. W. G., Frandsen, P., Waples, R. K., Heller, R., Russo, I. R. M., Orozco-terWengel, P. A., Pedersen, C. E. T., Siegismund, H. R., & Bruford, M. W. (2019). More grist for the mill? Species delimitation in the genomic era and its implications for conservation. Conservation Genetics, 20(1), 101–113. https://doi.org/10.1007/s10592-019-01149-5 | spa |
| dc.relation.references | Sultan, S. E. (1987). Evolutionary Implications of Phenotypic Plasticity in Plants. In M. Hecht, B. Wallece, & G. Prance (Eds.), Evolutionary Biology (pp. 127–178). Springer US. https://doi.org/10.1007/978-1-4615-6986-2_7 | spa |
| dc.relation.references | Tompsett, P. B., & Pritchard, H. W. (1998). The Effect of Chilling and Moisture Status on the Germination, Desiccation Tolerance and Longevity of Aesculus hippocastanumL. Seed. Annals of Botany, 82(2), 249–261. https://doi.org/10.1006/anbo.1998.0676 | spa |
| dc.relation.references | UICN. (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.references | Vadillo, 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.references | Veldhuisen, 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/10.1101/2022.02.18.480924 | spa |
| dc.relation.references | Volis, 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.2017.11.006 | spa |
| dc.relation.references | Walters, 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/ppp3.10121 | spa |
| dc.relation.references | Westwood, M., Cavender, N., Meyer, A., & Smith, P. (2021). Botanic garden solutions to the plant extinction crisis. Plants People Planet, 3(1), 22–32. https://doi.org/10.1002/ppp3.10134 | spa |
| dc.relation.references | Zhang, 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.2024.02.001 | spa |
| dc.rights.accessrights | info:eu-repo/semantics/openAccess | spa |
| dc.rights.license | Atribución-NoComercial-SinDerivadas 4.0 Internacional | spa |
| dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | spa |
| dc.subject.ddc | 500 - Ciencias naturales y matemáticas::508 - Historia natural | spa |
| dc.subject.ddc | 570 - Biología::575 - Partes específicas de y sistemas fisiológicos en plantas | spa |
| dc.subject.lemb | MONOCOTILEDONEAS | spa |
| dc.subject.lemb | Monocotyledons | eng |
| dc.subject.lemb | LILIALES | spa |
| dc.subject.lemb | Liliales | eng |
| dc.subject.lemb | TAXONOMIA VEGETAL | spa |
| dc.subject.lemb | Botany - Classification | eng |
| dc.subject.lemb | CONSERVACION BIOLOGICA | spa |
| dc.subject.lemb | Conservation biology | eng |
| dc.subject.lemb | PLANTULAS | spa |
| dc.subject.lemb | Seedlings | eng |
| dc.subject.proposal | Delimitación taxonómica | spa |
| dc.subject.proposal | Conservación | spa |
| dc.subject.proposal | Especies amenazadas | spa |
| dc.subject.proposal | Taxonomic delimitation | eng |
| dc.subject.proposal | Conservation | eng |
| dc.subject.proposal | Threatened species | eng |
| dc.title | 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 | spa |
| dc.title.translated | Assessment of the threat status and ex situ conservation strategies for five species of Puya (Bromeliaceae) endemic to the departments of Boyacá and Cundinamarca | eng |
| dc.type | Trabajo de grado - Maestría | spa |
| dc.type.coar | http://purl.org/coar/resource_type/c_bdcc | spa |
| dc.type.coarversion | http://purl.org/coar/version/c_ab4af688f83e57aa | spa |
| dc.type.content | Text | spa |
| dc.type.driver | info:eu-repo/semantics/masterThesis | spa |
| dc.type.redcol | http://purl.org/redcol/resource_type/TM | spa |
| dc.type.version | info:eu-repo/semantics/acceptedVersion | spa |
| oaire.accessrights | http://purl.org/coar/access_right/c_abf2 | spa |
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