Southern beeches under pressure: Responses of juvenile Nothofagus pumilio trees from different populations to crown damage across contrasting altitudes

Autores
Aparicio, Alejandro Gabriel; Torres, Cristian Daniel; Pastorino, Mario Juan; Soliani, Carolina; Stecconi, Marina; Puntieri, Javier Guido
Año de publicación
2026
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
In the context of global change, rising temperatures and more frequent extreme climatic events are expected to intensify crown-damaging disturbances while simultaneously constraining tree recovery. Crown damage during juvenile stages can disrupt apical control, and alter tree architecture, stand development, and wood production. Here, we evaluated how experimentally applied crown damage influences initial recovery in Nothofagus pumilio juveniles across populations and contrasting altitudinal sites in northwestern Patagonia, which differed markedly in thermal conditions. Plant survival one year after damage was nearly complete. However, damage strongly reduced relative height growth: control plants grew by 39%, whereas severely damaged individuals remained 44% below pre-damage height. Shoot elongation was predominantly explained by population (effect size η2p = 0.52). Damage also triggered architectural reorganization, causing immediate branching in 31% of plants, increasing delayed reiteration (43% vs. 9% in severe vs. moderate treatments), and reducing the trunk-to-branch diameter ratio (η2p = 0.36). Site effects were comparatively small across traits. Six years after damage, population differences still dominated size variation (η2p = 0.66), though damage effects persisted (η2p = 0.17). Damaged plants frequently retained multiple codominant stems with weak axis dominance (diameter ratio ≈1.23). These results show that growth recovery in N. pumilio is largely governed by genetically based vigor, whereas crown damage drives architectural reorganization with lasting consequences for stem form and, potentially, for timber quality. Although site effects were small, their consistent significance suggests that site-specific environmental conditions, including thermal differences, may modulate recovery dynamics and should be considered when predicting stand responses in future warming scenarios.
EEA Bariloche
Fil: Aparicio, Alejandro Gabriel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche. Instituto de Investigaciones Forestales y Agropecuarias Bariloche; Argentina
Fil: Aparicio, Alejandro Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones Forestales y Agropecuarias Bariloche; Argentina
Fil: Torres, Cristian Daniel. Universidad Nacional del Comahue. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Torres, Cristian Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Pastorino, Mario Juan. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche. Instituto de Investigaciones Forestales y Agropecuarias Bariloche; Argentina
Fil: Pastorino, Mario Juan. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones Forestales y Agropecuarias Bariloche; Argentina
Fil: Soliani, Carolina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche. Instituto de Investigaciones Forestales y Agropecuarias Bariloche; Argentina
Fil: Soliani, Carolina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones Forestales y Agropecuarias Bariloche; Argentina
Fil: Stecconi, Marina. Universidad Nacional del Comahue. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Stecconi, Marina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Puntieri, Javier Guido. Universidad Nacional de Rio Negro. Instituto de Investigaciones en Recursos Naturales, Agroecología y Desarrollo Rural; Argentina
Fil: Puntieri, Javier Guido. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Recursos Naturales, Agroecología y Desarrollo Rural; Argentina
Fuente
Forest Ecology and Management 621 : 124289. (December 2026)
Materia
Nothofagus pumilio
Crown
Climatic Factors
Damage
Nothofagus
Altitude
Phenotypic Plasticity
Copa
Factores Climáticos
Daños
Altitud
Plasticidad Fenotípica
Región Patagónica
Nivel de accesibilidad
acceso restringido
Condiciones de uso
http://creativecommons.org/licenses/by-nc-sa/4.0/
Repositorio
INTA Digital (INTA)
Institución
Instituto Nacional de Tecnología Agropecuaria
OAI Identificador
oai:localhost:20.500.12123/28045
Acceder
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oai_identifier_str oai:localhost:20.500.12123/28045
network_acronym_str INTADig
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network_name_str INTA Digital (INTA)
spelling Southern beeches under pressure: Responses of juvenile Nothofagus pumilio trees from different populations to crown damage across contrasting altitudesAparicio, Alejandro GabrielTorres, Cristian DanielPastorino, Mario JuanSoliani, CarolinaStecconi, MarinaPuntieri, Javier GuidoNothofagus pumilioCrownClimatic FactorsDamageNothofagusAltitudePhenotypic PlasticityCopaFactores ClimáticosDañosAltitudPlasticidad FenotípicaRegión PatagónicaIn the context of global change, rising temperatures and more frequent extreme climatic events are expected to intensify crown-damaging disturbances while simultaneously constraining tree recovery. Crown damage during juvenile stages can disrupt apical control, and alter tree architecture, stand development, and wood production. Here, we evaluated how experimentally applied crown damage influences initial recovery in Nothofagus pumilio juveniles across populations and contrasting altitudinal sites in northwestern Patagonia, which differed markedly in thermal conditions. Plant survival one year after damage was nearly complete. However, damage strongly reduced relative height growth: control plants grew by 39%, whereas severely damaged individuals remained 44% below pre-damage height. Shoot elongation was predominantly explained by population (effect size η2p = 0.52). Damage also triggered architectural reorganization, causing immediate branching in 31% of plants, increasing delayed reiteration (43% vs. 9% in severe vs. moderate treatments), and reducing the trunk-to-branch diameter ratio (η2p = 0.36). Site effects were comparatively small across traits. Six years after damage, population differences still dominated size variation (η2p = 0.66), though damage effects persisted (η2p = 0.17). Damaged plants frequently retained multiple codominant stems with weak axis dominance (diameter ratio ≈1.23). These results show that growth recovery in N. pumilio is largely governed by genetically based vigor, whereas crown damage drives architectural reorganization with lasting consequences for stem form and, potentially, for timber quality. Although site effects were small, their consistent significance suggests that site-specific environmental conditions, including thermal differences, may modulate recovery dynamics and should be considered when predicting stand responses in future warming scenarios.EEA BarilocheFil: Aparicio, Alejandro Gabriel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche. Instituto de Investigaciones Forestales y Agropecuarias Bariloche; ArgentinaFil: Aparicio, Alejandro Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones Forestales y Agropecuarias Bariloche; ArgentinaFil: Torres, Cristian Daniel. Universidad Nacional del Comahue. Instituto de Investigaciones en Biodiversidad y Medioambiente; ArgentinaFil: Torres, Cristian Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Biodiversidad y Medioambiente; ArgentinaFil: Pastorino, Mario Juan. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche. Instituto de Investigaciones Forestales y Agropecuarias Bariloche; ArgentinaFil: Pastorino, Mario Juan. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones Forestales y Agropecuarias Bariloche; ArgentinaFil: Soliani, Carolina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche. Instituto de Investigaciones Forestales y Agropecuarias Bariloche; ArgentinaFil: Soliani, Carolina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones Forestales y Agropecuarias Bariloche; ArgentinaFil: Stecconi, Marina. Universidad Nacional del Comahue. Instituto de Investigaciones en Biodiversidad y Medioambiente; ArgentinaFil: Stecconi, Marina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Biodiversidad y Medioambiente; ArgentinaFil: Puntieri, Javier Guido. Universidad Nacional de Rio Negro. Instituto de Investigaciones en Recursos Naturales, Agroecología y Desarrollo Rural; ArgentinaFil: Puntieri, Javier Guido. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Recursos Naturales, Agroecología y Desarrollo Rural; ArgentinaElsevier2026-10-08T12:43:20Z2026-10-08T12:43:20Z2026-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://hdl.handle.net/20.500.12123/28045https://www.sciencedirect.com/science/article/abs/pii/S03781127260078750378-11271872-7042https://doi.org/10.1016/j.foreco.2026.124289Forest Ecology and Management 621 : 124289. (December 2026)reponame:INTA Digital (INTA)instname:Instituto Nacional de Tecnología Agropecuariaenginfo:eu-repograntAgreement/INTA/PNFOR-1104063/AR./Mejoramiento genético de especies forestales nativas de alto valor.info:eu-repo/semantics/restrictedAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)2026-11-05T11:51:39Zoai:localhost:20.500.12123/28045instacron:INTAInstitucionalhttp://repositorio.inta.gob.ar/Organismo científico-tecnológicoNo correspondehttp://repositorio.inta.gob.ar/oai/requesttripaldi.nicolas@inta.gob.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:l2026-11-05 11:51:40.277INTA Digital (INTA) - Instituto Nacional de Tecnología Agropecuariafalse
dc.title.none.fl_str_mv Southern beeches under pressure: Responses of juvenile Nothofagus pumilio trees from different populations to crown damage across contrasting altitudes
title Southern beeches under pressure: Responses of juvenile Nothofagus pumilio trees from different populations to crown damage across contrasting altitudes
spellingShingle Southern beeches under pressure: Responses of juvenile Nothofagus pumilio trees from different populations to crown damage across contrasting altitudes
Aparicio, Alejandro Gabriel
Nothofagus pumilio
Crown
Climatic Factors
Damage
Nothofagus
Altitude
Phenotypic Plasticity
Copa
Factores Climáticos
Daños
Altitud
Plasticidad Fenotípica
Región Patagónica
title_short Southern beeches under pressure: Responses of juvenile Nothofagus pumilio trees from different populations to crown damage across contrasting altitudes
title_full Southern beeches under pressure: Responses of juvenile Nothofagus pumilio trees from different populations to crown damage across contrasting altitudes
title_fullStr Southern beeches under pressure: Responses of juvenile Nothofagus pumilio trees from different populations to crown damage across contrasting altitudes
title_full_unstemmed Southern beeches under pressure: Responses of juvenile Nothofagus pumilio trees from different populations to crown damage across contrasting altitudes
title_sort Southern beeches under pressure: Responses of juvenile Nothofagus pumilio trees from different populations to crown damage across contrasting altitudes
dc.creator.none.fl_str_mv Aparicio, Alejandro Gabriel
Torres, Cristian Daniel
Pastorino, Mario Juan
Soliani, Carolina
Stecconi, Marina
Puntieri, Javier Guido
author Aparicio, Alejandro Gabriel
author_facet Aparicio, Alejandro Gabriel
Torres, Cristian Daniel
Pastorino, Mario Juan
Soliani, Carolina
Stecconi, Marina
Puntieri, Javier Guido
author_role author
author2 Torres, Cristian Daniel
Pastorino, Mario Juan
Soliani, Carolina
Stecconi, Marina
Puntieri, Javier Guido
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv Nothofagus pumilio
Crown
Climatic Factors
Damage
Nothofagus
Altitude
Phenotypic Plasticity
Copa
Factores Climáticos
Daños
Altitud
Plasticidad Fenotípica
Región Patagónica
topic Nothofagus pumilio
Crown
Climatic Factors
Damage
Nothofagus
Altitude
Phenotypic Plasticity
Copa
Factores Climáticos
Daños
Altitud
Plasticidad Fenotípica
Región Patagónica
dc.description.none.fl_txt_mv In the context of global change, rising temperatures and more frequent extreme climatic events are expected to intensify crown-damaging disturbances while simultaneously constraining tree recovery. Crown damage during juvenile stages can disrupt apical control, and alter tree architecture, stand development, and wood production. Here, we evaluated how experimentally applied crown damage influences initial recovery in Nothofagus pumilio juveniles across populations and contrasting altitudinal sites in northwestern Patagonia, which differed markedly in thermal conditions. Plant survival one year after damage was nearly complete. However, damage strongly reduced relative height growth: control plants grew by 39%, whereas severely damaged individuals remained 44% below pre-damage height. Shoot elongation was predominantly explained by population (effect size η2p = 0.52). Damage also triggered architectural reorganization, causing immediate branching in 31% of plants, increasing delayed reiteration (43% vs. 9% in severe vs. moderate treatments), and reducing the trunk-to-branch diameter ratio (η2p = 0.36). Site effects were comparatively small across traits. Six years after damage, population differences still dominated size variation (η2p = 0.66), though damage effects persisted (η2p = 0.17). Damaged plants frequently retained multiple codominant stems with weak axis dominance (diameter ratio ≈1.23). These results show that growth recovery in N. pumilio is largely governed by genetically based vigor, whereas crown damage drives architectural reorganization with lasting consequences for stem form and, potentially, for timber quality. Although site effects were small, their consistent significance suggests that site-specific environmental conditions, including thermal differences, may modulate recovery dynamics and should be considered when predicting stand responses in future warming scenarios.
EEA Bariloche
Fil: Aparicio, Alejandro Gabriel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche. Instituto de Investigaciones Forestales y Agropecuarias Bariloche; Argentina
Fil: Aparicio, Alejandro Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones Forestales y Agropecuarias Bariloche; Argentina
Fil: Torres, Cristian Daniel. Universidad Nacional del Comahue. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Torres, Cristian Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Pastorino, Mario Juan. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche. Instituto de Investigaciones Forestales y Agropecuarias Bariloche; Argentina
Fil: Pastorino, Mario Juan. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones Forestales y Agropecuarias Bariloche; Argentina
Fil: Soliani, Carolina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche. Instituto de Investigaciones Forestales y Agropecuarias Bariloche; Argentina
Fil: Soliani, Carolina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones Forestales y Agropecuarias Bariloche; Argentina
Fil: Stecconi, Marina. Universidad Nacional del Comahue. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Stecconi, Marina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Puntieri, Javier Guido. Universidad Nacional de Rio Negro. Instituto de Investigaciones en Recursos Naturales, Agroecología y Desarrollo Rural; Argentina
Fil: Puntieri, Javier Guido. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Recursos Naturales, Agroecología y Desarrollo Rural; Argentina
description In the context of global change, rising temperatures and more frequent extreme climatic events are expected to intensify crown-damaging disturbances while simultaneously constraining tree recovery. Crown damage during juvenile stages can disrupt apical control, and alter tree architecture, stand development, and wood production. Here, we evaluated how experimentally applied crown damage influences initial recovery in Nothofagus pumilio juveniles across populations and contrasting altitudinal sites in northwestern Patagonia, which differed markedly in thermal conditions. Plant survival one year after damage was nearly complete. However, damage strongly reduced relative height growth: control plants grew by 39%, whereas severely damaged individuals remained 44% below pre-damage height. Shoot elongation was predominantly explained by population (effect size η2p = 0.52). Damage also triggered architectural reorganization, causing immediate branching in 31% of plants, increasing delayed reiteration (43% vs. 9% in severe vs. moderate treatments), and reducing the trunk-to-branch diameter ratio (η2p = 0.36). Site effects were comparatively small across traits. Six years after damage, population differences still dominated size variation (η2p = 0.66), though damage effects persisted (η2p = 0.17). Damaged plants frequently retained multiple codominant stems with weak axis dominance (diameter ratio ≈1.23). These results show that growth recovery in N. pumilio is largely governed by genetically based vigor, whereas crown damage drives architectural reorganization with lasting consequences for stem form and, potentially, for timber quality. Although site effects were small, their consistent significance suggests that site-specific environmental conditions, including thermal differences, may modulate recovery dynamics and should be considered when predicting stand responses in future warming scenarios.
publishDate 2026
dc.date.none.fl_str_mv 2026-10-08T12:43:20Z
2026-10-08T12:43:20Z
2026-12
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/20.500.12123/28045
https://www.sciencedirect.com/science/article/abs/pii/S0378112726007875
0378-1127
1872-7042
https://doi.org/10.1016/j.foreco.2026.124289
url http://hdl.handle.net/20.500.12123/28045
https://www.sciencedirect.com/science/article/abs/pii/S0378112726007875
https://doi.org/10.1016/j.foreco.2026.124289
identifier_str_mv 0378-1127
1872-7042
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repograntAgreement/INTA/PNFOR-1104063/AR./Mejoramiento genético de especies forestales nativas de alto valor.
dc.rights.none.fl_str_mv info:eu-repo/semantics/restrictedAccess
http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
eu_rights_str_mv restrictedAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv Forest Ecology and Management 621 : 124289. (December 2026)
reponame:INTA Digital (INTA)
instname:Instituto Nacional de Tecnología Agropecuaria
reponame_str INTA Digital (INTA)
collection INTA Digital (INTA)
instname_str Instituto Nacional de Tecnología Agropecuaria
repository.name.fl_str_mv INTA Digital (INTA) - Instituto Nacional de Tecnología Agropecuaria
repository.mail.fl_str_mv tripaldi.nicolas@inta.gob.ar
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