Evaluación del efecto del calentamiento global utilizando escarabajos coprófagos como elementos bioindicadores a través del modelamiento en un gradiente altitudinal en la Sierra Nevada de Santa Marta, Magdalena-Colombia
dc.contributor.advisor | Noriega Alvarado, Jorge Ari | |
dc.contributor.author | Rincón Deaza, Julián Alfredo | |
dc.date.accessioned | 2025-06-03T21:01:44Z | |
dc.date.available | 2025-06-03T21:01:44Z | |
dc.date.issued | 2024-11 | |
dc.description.abstract | En los sistemas naturales, las alteraciones en las relaciones sinérgicas entre los ámbitos ecológico, económico y social han generado cambios en la dinámica de los sistemas complejos, evidenciando la creciente relevancia del cambio climático. Este estudio analiza sus efectos sobre la diversidad biológica de escarabajos coprófagos en la Sierra Nevada de Santa Marta, utilizados como bioindicadores. Se compararon datos recolectados en 1999 con muestreos de 2019 a lo largo de un gradiente altitudinal de 400 a 2800 msnm. Se formuló una metodología que incluyó trampas de caída, monitoreo térmico, análisis en laboratorio y modelado de distribución futura mediante Maxent. Los resultados mostraron cambios en la riqueza, diversidad y composición de especies. En zonas bajas la riqueza disminuyó, mientras que en altitudes medias y altas aumentó, evidenciando un desplazamiento altitudinal. Esto sugiere una alteración en los rangos altitudinales de las especies como respuesta al cambio climático. El reemplazo de especies estuvo dominado por el Turnover, aunque en altitudes altas el componente Nestedness fue más relevante. El modelado de distribución mostró alta capacidad predictiva para Ontherus sanctamartae (AUC = 0.900) y Scybalocanthon darlingtoni (AUC = 0.888), con mayor presencia en altitudes intermedias y altas. Las variables más influyentes fueron los índices EVI y NDVI, lo que resalta su sensibilidad a las condiciones ambientales. Se concluye que es fundamental conservar zonas montañosas con climas estables en la Sierra Nevada de Santa Marta para proteger especies endémicas como S. darlingtoni y O. sanctamartae, bioindicadores clave del cambio climático. Se recomienda el monitoreo a largo plazo y su integración en planes de gestión ambiental. | |
dc.description.abstractenglish | In natural systems, alterations in the synergistic relationships between the ecological, economic and social spheres have generated changes in the dynamics of complex systems, evidencing the growing relevance of climate change. This study analyzes its effects on the biological diversity of coprophagous beetles in the Sierra Nevada de Santa Marta, used as bioindicators. Data collected in 1999 were compared with samples collected in 2019 along an altitudinal gradient from 400 to 2800 masl. A methodology was formulated that included pitfall traps, thermal monitoring, laboratory analysis and modeling of future distribution using Maxent. The results showed changes in species richness, diversity and composition. In low areas the richness decreased, while in middle and high altitudes it increased, evidencing an altitudinal shift. This suggests an alteration in the altitudinal ranges of species in response to climate change. Species replacement was dominated by Turnover, although at high altitudes the Nestedness component was more relevant. Distribution modeling showed high predictive capacity for Ontherus sanctamartae (AUC = 0.900) and Scybalocanthon darlingtoni (AUC = 0.888), with greater presence at intermediate and high altitudes. The most influential variables were the EVI and NDVI indices, highlighting their sensitivity to environmental conditions. It is concluded that it is essential to conserve mountainous areas with stable climates in the Sierra Nevada de Santa Marta to protect endemic species such as S. darlingtoni and O. sanctamartae, key bioindicators of climate change. Long-term monitoring and integration into environmental management plans is recommended. | |
dc.description.degreelevel | Pregrado | spa |
dc.description.degreename | Ingeniero Ambiental | spa |
dc.format.mimetype | application/pdf | |
dc.identifier.instname | instname:Universidad El Bosque | spa |
dc.identifier.reponame | reponame:Repositorio Institucional Universidad El Bosque | spa |
dc.identifier.repourl | repourl:https://repositorio.unbosque.edu.co | |
dc.identifier.uri | https://hdl.handle.net/20.500.12495/14547 | |
dc.language.iso | es | |
dc.publisher.faculty | Facultad de Ingeniería | spa |
dc.publisher.grantor | Universidad El Bosque | spa |
dc.publisher.program | Ingeniería Ambiental | spa |
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dc.relation.references | Zaidi, S. M., Akbari, A., Abu Samah, A., Kong, N., & Gisen, J. (2017). Landsat-5 Time Series Analysis for Land Use/Land Cover Change Detection Using NDVI and Semi-Supervised Classification Techniques. Polish Journal of Environmental Studies, 26(6), 2833–2840. https://doi.org/10.15244/pjoes/68878 | |
dc.relation.references | Zu, K., & Wang, Z. (2022). Research progress on the elevational distribution of mountain species in response to climate change. Biodiversity Science, 30(5), 21451. https://doi.org/10.17520/biods.2021451 | |
dc.rights | Attribution-NonCommercial-NoDerivatives 4.0 International | en |
dc.rights.accessrights | info:eu-repo/semantics/openAccess | |
dc.rights.accessrights | https://purl.org/coar/access_right/c_abf2 | |
dc.rights.local | Acceso abierto | spa |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | |
dc.subject | Alteración | |
dc.subject | Cambio climático | |
dc.subject | Escarabajos coprófagos | |
dc.subject | Rangos altitudinales | |
dc.subject | Bioindicador | |
dc.subject | Sierra Nevada de Santa Marta | |
dc.subject.ddc | 628 | |
dc.subject.keywords | Alteration | |
dc.subject.keywords | Climate change | |
dc.subject.keywords | Coprophagous beetles | |
dc.subject.keywords | Altitudinal ranges | |
dc.subject.keywords | Bioindicator | |
dc.subject.keywords | Sierra Nevada de Santa Marta | |
dc.title | Evaluación del efecto del calentamiento global utilizando escarabajos coprófagos como elementos bioindicadores a través del modelamiento en un gradiente altitudinal en la Sierra Nevada de Santa Marta, Magdalena-Colombia | |
dc.title.translated | Assessment of the effect of global warming using coprophagous beetles as bioindicators beetles as bioindicators through modeling in an altitudinal gradient in the Sierra Nevada modeling in an altitudinal gradient in the Sierra Nevada de Santa Marta, Magdalena-Colombia | |
dc.type.coar | https://purl.org/coar/resource_type/c_7a1f | |
dc.type.coarversion | https://purl.org/coar/version/c_ab4af688f83e57aa | |
dc.type.driver | info:eu-repo/semantics/bachelorThesis | |
dc.type.hasversion | info:eu-repo/semantics/acceptedVersion | |
dc.type.local | Tesis/Trabajo de grado - Monografía - Pregrado | spa |
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