Ítem
Acceso Abierto

Unexpected Large Photosynthetic Thermal Plasticity of Montane Andean Trees

Mostrar el registro sencillo de la publicación
dc.creatorDusenge, Mirindi Ericspa
dc.creatorGonzález-Caro, Sebastianspa
dc.creatorRestrepo, Zoraydaspa
dc.creatorGardner, Annaspa
dc.creatorMeir, Patrickspa
dc.creatorHartley, Iain P.spa
dc.creatorSitch, Stephenspa
dc.creatorSanchez, Adrianaspa
dc.creatorVillegas, Juan Camilospa
dc.creatorMercado, Lina M.spa
dc.date.accessioned2025-07-21T16:56:55Z
dc.date.available2025-07-21T16:56:55Z
dc.date.created2025-05-13spa
dc.date.issued2025-05-13spa
dc.description.abstractTropical forests play a significant role in global carbon sequestration. However, our understanding of how tropical tree speciesadjust to climate warming remains limited to studies on seedlings grown in pots and highly controlled growth conditions. Toreduce this knowledge gap, we used a field experiment with 5-year-old juvenile trees of 12 naturally co-occurring dominant trop-ical Andean montane and lowland species growing in three common gardens established along a natural thermosequence in thetropical Andes. Based on a few previous studies, we hypothesized that montane species would exhibit a weaker photosyntheticthermal acclimation capacity compared to lowland counterparts. Our results showed that montane tree species can thermallyacclimate net photosynthesis by shifting their thermal optimum (Topt) by 0.6°C per 1°C of warming. This strong shift in Topt wascorrelated to simultaneous strong shifts in Topt of apparent photosynthetic capacity parameters (Vcmax and Jmax), which increasedby 0.7°C per 1°C of warming. This strong thermal acclimation resulted in similar rates of net CO 2 assimilation between montaneand lowland species across different thermal environments. At last, rates of net photosynthesis at growth temperature explained30% of the variation in the relative tree growth rates across the two species groups and thermal environments. Our results suggestthat the strong physiological acclimation of photosynthesis to warming among montane Andean tree species should be consid-ered when predicting future impacts of warming on Andean plant communities.eng
dc.format.mimetypeapplication/pdfspa
dc.identifier.doihttps://doi.org/10.1111/gcb.70266spa
dc.identifier.issn1354-1013spa
dc.identifier.urihttps://repository.urosario.edu.co/handle/10336/46120
dc.language.isoengspa
dc.publisherWileyspa
dc.relation.ispartofGlobal Change Biology 2025; 31:e70266spa
dc.relation.urihttps://onlinelibrary.wiley.com/doi/epdf/10.1111/gcb.70266spa
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internationalspa
dc.rights.accesRightsinfo:eu-repo/semantics/openAccessspa
dc.rights.accesoAbierto (Texto Completo)spa
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/4.0/spa
dc.sourceGlobal Change Biologyspa
dc.source.instnameinstname:Universidad del Rosariospa
dc.source.reponamereponame:Repositorio Institucional EdocURspa
dc.subject.keywordAcclimationeng
dc.subject.keywordClimate changeeng
dc.subject.keywordPhotosynthesiseng
dc.subject.keywordTropical montane forestseng
dc.titleUnexpected Large Photosynthetic Thermal Plasticity of Montane Andean Treesspa
dc.typearticlespa
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersionspa
dc.type.spaArtículo de Investigaciónspa
Archivos
Bloque original
Mostrando1 - 1 de 1
Miniatura
Nombre:
Unexpected_Large_Photosynthetic_Thermal_Plasticity_of.pdf
Tamaño:
848.87 KB
Formato:
Adobe Portable Document Format
Descripción:
Descargar
Colecciones
Artículos