Identification of functional groups in páramo plants and evaluation of their susceptibility to global climate change
En este trabajo se realizó la clasificación funcional de especies de páramo y se determinó la capacidad de aclimatación térmica de la fotosíntesis y la respiración en los diferentes grupos funcionales, así como el efecto de la temperatura en su capacidad de germinación.
- Autores:
-
Cruz Aguilar, Marisol
- Tipo de recurso:
- Doctoral thesis
- Fecha de publicación:
- 2022
- Institución:
- Universidad de los Andes
- Repositorio:
- Séneca: repositorio Uniandes
- Idioma:
- eng
- OAI Identifier:
- oai:repositorio.uniandes.edu.co:1992/59762
- Acceso en línea:
- http://hdl.handle.net/1992/59762
- Palabra clave:
- Páramos
Northern Andes
Global climate change
Functional traits
Thermal acclimation
Seed germination
Biología
- Rights
- openAccess
- License
- Attribution-NonCommercial-NoDerivatives 4.0 Internacional
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| dc.title.none.fl_str_mv |
Identification of functional groups in páramo plants and evaluation of their susceptibility to global climate change |
| dc.title.alternative.none.fl_str_mv |
Identificación de grupos funcionales en plantas de páramo y evaluación de su susceptibilidad al cambio climático global |
| title |
Identification of functional groups in páramo plants and evaluation of their susceptibility to global climate change |
| spellingShingle |
Identification of functional groups in páramo plants and evaluation of their susceptibility to global climate change Páramos Northern Andes Global climate change Functional traits Thermal acclimation Seed germination Biología |
| title_short |
Identification of functional groups in páramo plants and evaluation of their susceptibility to global climate change |
| title_full |
Identification of functional groups in páramo plants and evaluation of their susceptibility to global climate change |
| title_fullStr |
Identification of functional groups in páramo plants and evaluation of their susceptibility to global climate change |
| title_full_unstemmed |
Identification of functional groups in páramo plants and evaluation of their susceptibility to global climate change |
| title_sort |
Identification of functional groups in páramo plants and evaluation of their susceptibility to global climate change |
| dc.creator.fl_str_mv |
Cruz Aguilar, Marisol |
| dc.contributor.advisor.none.fl_str_mv |
Lasso De Paulis, Eloísa |
| dc.contributor.author.none.fl_str_mv |
Cruz Aguilar, Marisol |
| dc.contributor.jury.none.fl_str_mv |
González Arango, Catalina Reich, Peter |
| dc.contributor.researchgroup.es_CO.fl_str_mv |
Grupo de Ecología y Fisiología Vegetal |
| dc.subject.keyword.none.fl_str_mv |
Páramos Northern Andes Global climate change Functional traits Thermal acclimation Seed germination |
| topic |
Páramos Northern Andes Global climate change Functional traits Thermal acclimation Seed germination Biología |
| dc.subject.themes.es_CO.fl_str_mv |
Biología |
| description |
En este trabajo se realizó la clasificación funcional de especies de páramo y se determinó la capacidad de aclimatación térmica de la fotosíntesis y la respiración en los diferentes grupos funcionales, así como el efecto de la temperatura en su capacidad de germinación. |
| publishDate |
2022 |
| dc.date.accessioned.none.fl_str_mv |
2022-08-10T14:28:36Z |
| dc.date.available.none.fl_str_mv |
2022-08-10T14:28:36Z |
| dc.date.issued.none.fl_str_mv |
2022-06-08 |
| dc.type.none.fl_str_mv |
Trabajo de grado - Doctorado |
| dc.type.driver.none.fl_str_mv |
info:eu-repo/semantics/doctoralThesis |
| dc.type.version.none.fl_str_mv |
info:eu-repo/semantics/acceptedVersion |
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http://purl.org/coar/resource_type/c_db06 |
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Text |
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https://purl.org/redcol/resource_type/TD |
| format |
http://purl.org/coar/resource_type/c_db06 |
| status_str |
acceptedVersion |
| dc.identifier.uri.none.fl_str_mv |
http://hdl.handle.net/1992/59762 |
| dc.identifier.doi.none.fl_str_mv |
10.57784/1992/59762 |
| dc.identifier.instname.none.fl_str_mv |
instname:Universidad de los Andes |
| dc.identifier.reponame.none.fl_str_mv |
reponame:Repositorio Institucional Séneca |
| dc.identifier.repourl.none.fl_str_mv |
repourl:https://repositorio.uniandes.edu.co/ |
| url |
http://hdl.handle.net/1992/59762 |
| identifier_str_mv |
10.57784/1992/59762 instname:Universidad de los Andes reponame:Repositorio Institucional Séneca repourl:https://repositorio.uniandes.edu.co/ |
| dc.language.iso.es_CO.fl_str_mv |
eng |
| language |
eng |
| dc.relation.references.es_CO.fl_str_mv |
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In Journal of Experimental Botany (Vol. 38). https://doi.org/10.1093/jxb/38.3.491 Rada, F., Gonzalez, J., Azócar, A., Briceño, B., & Jaimez, R. (1992). Net photosynthesis-leaf temperature relations in plant species with height along an altitudinal gradient. Acta Oecologica13, 13(5), 535-542. Ristic, Z., Bukovnik, U., & Prasad, P. V. V. (2007). Correlation between Heat Stability of Thylakoid Membranes and Loss of Chlorophyll in Winter Wheat under Heat Stress. In Crop Science (Vol. 47). https://doi.org/10.2135/cropsci2006.10.0674 Scafaro, A. P., Xiang, S., Long, B. M., Bahar, N. H. A., Weerasinghe, L. K., Creek, D., Evans, J. R., Reich, P. B., & Atkin, O. K. (2017). Strong thermal acclimation of photosynthesis in tropical and temperate wet-forest tree species: The importance of altered Rubisco content. Global Change Biology, 23(7), 2783-2800. https://doi.org/10.1111/gcb.13566 Sklená, P., & Balslev, H. (2005). Superpáramo plant species diversity and phytogeography in Ecuador. Flora - Morphology, Distribution, Functional Ecology of Plants, 200(5), 416-433. https://doi.org/10.1016/j.flora.2004.12.006 Sklená, P., Kuerová, A., Macková, J., & Romoleroux, K. (2016). Temperature Microclimates of Plants in a Tropical Alpine Environment: How Much does Growth Form Matter Arctic, Antarctic, and Alpine Research, 48(1), 61-78. https://doi.org/10.1657/AAAR0014-084 Smith, A. P. (1974). Bud Temperature in Relation to Nyctinastic Leaf Movement in an Andean Giant Rosette Plant. Biotropica, 6(4), 263-266. https://doi.org/10.2307/2989670 Smith, A. (1979). Function of Dead Leaves in Espeletia schultzii (Compositae), and Andean Caulescent Rosette Species. In Biotropica (Vol. 11). https://doi.org/10.2307/2388171 Smith, A. P. (1980). The Paradox of Plant Height in an Andean Giant Rosette Species. Journal of Ecology, 68(1), 63-73. https://doi.org/10.2307/2259244 Smith, A. P. (1994). Introduction to tropical alpine vegetation. In Tropical alpine environments: Plant form and function (pp. 1-17). Smith, A. P., & Young, T. P. (1987). Tropical Alpine Plant Ecology. Annual Review of Ecology and Systematics, 18(1), 137-158. https://doi.org/10.1146/annurev.es.18.110187.001033 Suter, M., & Edwards, P. J. (2013). Convergent succession of plant communities is linked to species¿ functional traits. Perspectives in Plant Ecology, Evolution and Systematics, 15(4), 217-225. https://doi.org/10.1016/j.ppees.2013.05.001 Van der Hammen, T., Pabón Caicedo, J. D., Gutiérrez, H., & Alarcón, J. C. (2002). El Cambio Global y los Ecosistemas de Alta Montaña de Colombia. In Páramos y Ecosistemas Alto Andinos de Colombia en Condición HotSpot & Global Climatic Tensor (pp. 162-209). Vargas, O., Pérez-Martínez, L., Insuasty, J., Rodriguez Castillo, N. A., & Melgarejo, L. M. (2014). Semillas de plantas de páramo: Ecología y métodos de germinación aplicados a la restauración ecológica. Way, D. A., & Oren, R. (2010). Differential responses to changes in growth temperature between trees from different functional groups and biomes: A review and synthesis of data. Tree Physiology, 30(6), 669-688. https://doi.org/10.1093/treephys/tpq015 Way, D. A., & Sage, R. F. (2008). Thermal acclimation of photosynthesis in black spruce [Picea mariana (Mill.) B.S.P.]. Plant, Cell and Environment, 31(9), 1250-1262. https://doi.org/10.1111/j.1365-3040.2008.01842.x Yamori, W., Hikosaka, K., & Way, D. A. (2014). Temperature response of photosynthesis in C3, C4, and CAM plants: Temperature acclimation and temperature adaptation. Photosynthesis Research, 119(1-2), 101-117. https://doi.org/10.1007/s11120-013-9874-6 Yamori, W., Noguchi, K., & Terashima, I. (2005). Temperature acclimation of photosynthesis in spinach leaves: Analyses of photosynthetic components and temperature dependencies of photosynthetic partial reactions. Plant, Cell and Environment, 28(4), 536-547. https://doi.org/10.1111/j.1365-3040.2004.01299.x |
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Attribution-NonCommercial-NoDerivatives 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Lasso De Paulis, Eloísavirtual::14761-1Cruz Aguilar, Marisol031c2331-a524-4c93-b9c9-1b73aee70f10600González Arango, CatalinaReich, PeterGrupo de Ecología y Fisiología Vegetal2022-08-10T14:28:36Z2022-08-10T14:28:36Z2022-06-08http://hdl.handle.net/1992/5976210.57784/1992/59762instname:Universidad de los Andesreponame:Repositorio Institucional Sénecarepourl:https://repositorio.uniandes.edu.co/En este trabajo se realizó la clasificación funcional de especies de páramo y se determinó la capacidad de aclimatación térmica de la fotosíntesis y la respiración en los diferentes grupos funcionales, así como el efecto de la temperatura en su capacidad de germinación.Above treeline in the mountains from the Northern Andes, there is an ecosystem of restricted distribution locally called as páramo. Páramos are tropical ecosystems of high altitude where there are special conditions that make them and their flora unique, such as greatly dynamic cloud conditions, excessive amounts of UV radiation, rapid changes of incident sunlight and pronounced temperature fluctuations during each day, among others. They are critical as a source of water in the region, are important carbon sinks, are home to a vast endemic flora, and possess some of the fastest rates of diversification in the world. Although the ecosystemic services of páramos depend to their high spatial abiotic and biotic heterogeneity that generates complex mosaics of plants associations; unfortunately, little work has been done on the susceptibility of páramo plants to climate change. Human-induced climate change is affecting all the Earth's biomes, including páramos, where models predict that temperatures will increase, while the volume and frequency of precipitation will decrease to the end of this century. All research indicates that warmer and drier environments will drive vegetation upward, as plants did in the past, during interglacial periods, rather than adapting to the new conditions. Plants can respond to climate change by adaptation, migration, or local extinction; adaptation implies that plants can acclimate its physiology to the new conditions, migration requires reproductive traits that favored dispersal and colonization of new areas, and it is well established, that species with limited ranges of distribution, such as those restricted to the páramo, have a higher risk of extinction. However, adaptation and migration capacities are not enough studied facing global warming in plants of the humid Colombian páramo. In the first chapter, new findings in plant functional classification are presented that allow us to conclude that although the harsh conditions of páramos promote a huge variety of morphological adaptations, it is also the cause of a smaller number of functional responses, and since functional responses are closely linked to growth forms, in páramos it could be useful to use growth forms as a proxy of plant functional types (PFT) in all cases and with caution in the case of shrubs. In the second chapter, thermal acclimation of photosynthesis and respiration was evaluated and, in addition to the limited functional response, it was found that páramo plants have a limited capacity for thermal acclimation, but although páramo plants cannot adjust their physiology to warming, high temperatures do not have an adverse effect on plant performance. Finally, in the third chapter, the effect of warmer temperatures on germination traits was evaluated and it was found that seeds of few páramos plants will be affected by higher temperatures, so it appears that there is a wide range of temperature functioning for germination processes. All results together seem indicate that although páramo plants are more capable of migrating than adapting, they would survive because other mechanisms as decoupling leaf temperature from ambient temperature may operate ensuring their survival.En las montañas del norte de los Andes, por encima del límite arbóreo, existe un ecosistema de distribución restringida denominado localmente como páramo. Los páramos son ecosistemas tropicales de gran altitud en los que existen condiciones especiales que los hacen únicos a ellos y a su flora, como son las condiciones de nubosidad muy dinámicas, la excesiva cantidad de radiación UV, los rápidos cambios de la luz solar incidente y las pronunciadas fluctuaciones de temperatura durante cada día, entre otras. Los páramos juegan un papel importante como fuente de agua en la región, son significativos sumideros de carbono en los suelos, albergan una vasta flora endémica y poseen una de las tasas de diversificación más rápidas del mundo. Aunque los servicios ecosistémicos de los páramos dependen de su elevada heterogeneidad espacial abiótica y biótica, que genera complejos mosaicos de asociaciones de plantas, lamentablemente se ha trabajado poco sobre la susceptibilidad de las plantas de los páramos al cambio climático. El cambio climático inducido por el hombre está afectando a todos los biomas de la Tierra, incluidos los páramos, donde los modelos predicen que las temperaturas aumentarán, mientras que los patrones de precipitaciones son inciertos para finales de este siglo. Todas las investigaciones indican que los ambientes más cálidos y probablemente más secos impulsarán la vegetación hacia límites superiores, como lo hicieron las plantas en el pasado, durante los períodos interglaciares, antes que adaptarse a las nuevas condiciones ambientales. Las plantas tienen tres opciones para responder al cambio climático: la adaptación, la migración o la extinción local; la adaptación implica que las plantas puedan aclimatar su fisiología a las nuevas condiciones ambientales, la migración requiere rasgos reproductivos que favorezcan la dispersión y colonización de nuevas áreas, y está bien establecido, que las especies con rangos de distribución limitados, como las restringidas al páramo, tienen un mayor riesgo de extinción. Sin embargo, las capacidades de adaptación y migración no están suficientemente estudiadas frente al calentamiento global en las plantas del páramo húmedo colombiano. En la sección de introducción se definen los ecosistemas de páramo y su singularidad climática y biológica, así como las principales amenazas actuales para el ecosistema, especialmente el efecto del cambio climático. En el primer capítulo se presentan nuevos hallazgos en la clasificación funcional de las plantas que permiten concluir que aunque las duras condiciones de los páramos promueven una enorme variedad de adaptaciones morfológicas, también es la causa de un número menor de respuestas funcionales, y dado que las respuestas funcionales están estrechamente ligadas a las formas de crecimiento, en los páramos podría ser útil utilizar las formas de crecimiento como proxy de los tipos funcionales de las plantas (TFP) en todos los casos y con precaución en el caso de los arbustos. En el segundo capítulo, se evaluó la aclimatación térmica de la fotosíntesis y la respiración y, además de la respuesta funcional limitada, se encontró que las plantas de páramo tienen una capacidad limitada de aclimatación térmica, pero, aunque las plantas de páramo no puedan ajustar su fisiología al calentamiento, las altas temperaturas no tendrán un efecto adverso en el funcionamiento de las plantas. Finalmente, en el tercer capítulo, se evaluó el efecto de las temperaturas más cálidas sobre los rasgos de germinación y se encontró que las semillas de pocas plantas de páramo se verán afectadas por temperaturas más altas, por lo que parece que existe un amplio rango de funcionamiento de la temperatura para los procesos de germinación. Todos los resultados en conjunto parecen indicar que, aunque las plantas de páramo son más capaces de migrar que de adaptarse, sobrevivirían porque otros mecanismos como el desacoplamiento de la temperatura foliar de la temperatura ambiental pueden operar asegurando su supervivencia.Proyectos semilla del Comité de Investigaciones y Posgrado de la Facultad de CienciasDoctor en Ciencias - BiologíaDoctoradoProyecto páramo99 páginasapplication/pdfengUniversidad de los AndesDoctorado en Ciencias - BiologíaFacultad de CienciasDepartamento de Ciencias BiológicasIdentification of functional groups in páramo plants and evaluation of their susceptibility to global climate changeIdentificación de grupos funcionales en plantas de páramo y evaluación de su susceptibilidad al cambio climático globalTrabajo de grado - Doctoradoinfo:eu-repo/semantics/doctoralThesisinfo:eu-repo/semantics/acceptedVersionhttp://purl.org/coar/resource_type/c_db06Texthttps://purl.org/redcol/resource_type/TDPáramosNorthern AndesGlobal climate changeFunctional traitsThermal acclimationSeed germinationBiologíaAnderson, E. P., Marengo, J. A., Villalba, R., Halloy, S. R. P., Young, B. E., Cordero, D., Gast, F., Jaimes, E., & Ruiz, D. (2012). Consecuencias del cambio climático en los ecosistemas y servicios ecosistémicos de los Andes Tropicales. In S. K. Herzog, R. Martínez, P. M. Jørgensen, & H. Tiessen (Eds.), Climate change and Biodiversity in the Tropical Andes (p. 410). Inter-American Institute for Global Change Research (IAI) and Scientific Committee on Problems of the Environment (SCOPE).Atkin, O. K., Holly, C., & Ball, M. C. (2000). Acclimation of snow gum (Eucalyptus pauciflora) leaf respiration to seasonal and diurnal variations in temperature: The importance of changes in the capacity and temperature sensitivity of respiration. Plant, Cell and Environment, 23(1), 15-26. https://doi.org/10.1046/j.1365-3040.2000.00511.xAtkin, O. K., & Tjoelker, M. G. (2003). Thermal acclimation and the dynamic response of plant respiration to temperature. In Trends in Plant Science (Vol. 8, Issue 7, pp. 343-351). Elsevier Current Trends. https://doi.org/10.1016/S1360-1385(03)00136-5Azócar, A., Rada, F., & García-Núñez, C. (2000). Aspectos ecofisiológicos para la conservación de ecosistemas tropicales contrastantes. Boletín de La Sociedad Botánica de México, 65, 6.Baruch, Z. (1979). Elevation Differentiation in Espeletia Schultzii (Compositae), A Giant Rosette Plant of the Venezuelan Paramos. Ecology, 60(1), 85-98. https://doi.org/10.2307/1936471Baruch, Z., & Smith, A. P. (1979). Morphological and physiological correlates of niche breadth in two species of Espeletia (Compositae) in the Venezuelan Andes. Oecologia, 38(1), 71-82. https://doi.org/10.1007/BF00347825Baskin, C. C., & Baskin, J. M. (1998). Seeds: Ecology, biogeography, and, evolution of dormancy and germination. Elsevier.Berry, J., & Bjorkman, O. (1980). Photosynthetic Response and Adaptation to Temperature in Higher Plants. 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M., Ojeda, G., Paz, A., Pizano, C., García-Angulo, D., & Lasso, E. (2017). Soil heterotrophic CO2 emissions from tropical high-elevation ecosystems (Páramos) and their sensitivity to temperature and moisture fluctuations. Soil Biology and Biochemistry. https://doi.org/10.1016/j.soilbio.2017.02.016Debouza, N. E., Babu Thruppoyil, S., Gopi, K., Zain, S., & Ksiksi, T. (2021). Plant and seed germination responses to global change, with a focus on CO2: A review. One Ecosystem. https://doi.org/10.3897/oneeco.6.e74260Díaz, S., Purvis, A., Cornelissen, J. H. C., Mace, G. M., Donoghue, M. J., Ewers, R. M., Jordano, P., & Pearse, W. D. (2013). Functional traits, the phylogeny of function, and ecosystem service vulnerability. Ecology and Evolution, 3(9), 2958-2975. https://doi.org/10.1002/ece3.601Dirnböck, T., Dullinger, S., & Grabherr, G. (2003). A regional impact assessment of climate and land-use change on alpine vegetation. Journal of Biogeography, 30(3), 401-417. https://doi.org/10.1046/j.1365-2699.2003.00839.xDormann S. J. Woodin, C. F. (2002). Climate change in the Arctic: Using plant functional types in a meta-analysis of field experiments. Functional Ecology, 16(1), 4-17.Doughty, C. E., & Goulden, M. L. (2008). Are tropical forests near a high temperature threshold Journal of Geophysical Research: Biogeosciences, 113(G1). https://doi.org/10.1029/2007JG000632Estrada, C., & Monasterio, M. (1988). Ecología poblacional de una roseta gigante, Espeletia spicata Sch. Bip. (Compositae), del páramo desértico. Ecotropicos, 1, 25-39.Fagua, J. C., & González, V. H. (2007). Growth rates, reproductive phenology, and pollination ecology of Espeletia grandiflora (Asteraceae), a giant andean caulescent rosette. Plant Biology, 9(1), 127-135.Farquhar, G. D., von Caemmerer, S., & Berry, J. A. (1980). A biochemical model of photosynthetic CO2 assimilation in leaves of C3 species. Planta, 149(1), 78-90. https://doi.org/10.1007/BF00386231Frantzen, N. M. L. H. F., & Bouman, F. (1989). Dispersal and growth form patterns of some zonal páramo vegetation types. 38(4), 449-465.Funk, J. L., Larson, J. E., Ames, G. M., Butterfield, B. J., Cavender-Bares, J., Firn, J., Laughlin, D. C., Sutton-Grier, A. E., Williams, L., & Wright, J. (2017). Revisiting the Holy Grail: Using plant functional traits to understand ecological processes. Biological Reviews, 92(2), 1156-1173. https://doi.org/10.1111/brv.12275Gauthier, P. P. G., Crous, K. Y., Ayub, G., Duan, H., Weerasinghe, L. K., Ellsworth, D. S., Tjoelker, M. G., Evans, J. R., Tissue, D. T., & Atkin, O. K. (2014). Drought increases heat tolerance of leaf respiration in Eucalyptus globulus saplings grown under both ambient and elevated atmospheric [CO2] and temperature. Journal of Experimental Botany, 65(22), 6471-6485. https://doi.org/10.1093/jxb/eru367Goldstein, G., & Meinzer, F. (1983). 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