Drought constrains acorn production and tree growth in the Mediterranean holm oak and triggers weak legacy effects

Droughts are becoming more frequent in the Mediterranean basin due to warmer conditions. Droughts negatively impact forests growth for several years, often generating negative legacies or carryover effects. However, these legacies differ among tree species, sites and drought characteristics and have...

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Authors: García-Barreda, Sergi, Valeriano, Cristina, Camarero, Jesús Julio
Format: article
Status:Published version
Publication Date:2023
Country:España
Institution:Consejo Superior de Investigaciones Científicas (CSIC)
Repository:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/344480
Online Access:http://hdl.handle.net/10261/344480
Access Level:Open access
Keyword:Drought
Legacy
Acorn production
Radial growth
Quercus ilex
Masting
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spelling Drought constrains acorn production and tree growth in the Mediterranean holm oak and triggers weak legacy effectsGarcía-Barreda, SergiValeriano, CristinaCamarero, Jesús JulioDroughtLegacyAcorn productionRadial growthQuercus ilexMastingDroughts are becoming more frequent in the Mediterranean basin due to warmer conditions. Droughts negatively impact forests growth for several years, often generating negative legacies or carryover effects. However, these legacies differ among tree species, sites and drought characteristics and have been mainly studied considering tree growth or canopy greenness, but ignoring reproductive phenomena. Here, we compare the legacy effects of drought on acorn and male inflorescence production and radial growth by using a 19-year series of 150 Quercus ilex individuals in three stands located in north-eastern Spain. We evaluate the relationships between monthly climate variables, tree-ring width, acorn production and male inflorescence production. For the two driest years considered (2005 and 2012), when very few acorns were produced, we did not find negative legacy effects on acorn production in the three years following droughts. The production of male inflorescences did not show any significant legacy after drought, although its annual variation was related to the climatic conditions of the year before acorn ripening. Acorn production was higher than expected for some of these years, apparently following the pattern of tree growth recovery with a certain lag. This compensatory response of acorn production differed between the two analysed droughts, in accordance with different conditions of drought timing and post-drought climate conditions. Even though few negative legacy effects of growth and acorn production were found, we confirmed the negative effect of drought stress on tree growth and acorn production, linked to dry winter conditions. Our findings confirm that drought features (timing, duration, intensity) and post-drought climate conditions influence tree growth and reproduction legacies.This research was funded by Spanish Ministry of Science, Innovation and Universities, grant number FORMAL (RTI2018-096884-B-C31) to JJC.Peer reviewedElsevierMinisterio de Ciencia, Innovación y Universidades (España)Agencia Estatal de Investigación (España)Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202420242023info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://hdl.handle.net/10261/344480reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-096884-B-C31The underlying dataset has been published as supplementary material of the article in the publisher platform at https://doi.org/10.1016/j.agrformet.2023.109435https://doi.org/10.1016/j.agrformet.2023.109435Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3444802026-05-22T06:33:51Z
dc.title.none.fl_str_mv Drought constrains acorn production and tree growth in the Mediterranean holm oak and triggers weak legacy effects
title Drought constrains acorn production and tree growth in the Mediterranean holm oak and triggers weak legacy effects
spellingShingle Drought constrains acorn production and tree growth in the Mediterranean holm oak and triggers weak legacy effects
García-Barreda, Sergi
Drought
Legacy
Acorn production
Radial growth
Quercus ilex
Masting
title_short Drought constrains acorn production and tree growth in the Mediterranean holm oak and triggers weak legacy effects
title_full Drought constrains acorn production and tree growth in the Mediterranean holm oak and triggers weak legacy effects
title_fullStr Drought constrains acorn production and tree growth in the Mediterranean holm oak and triggers weak legacy effects
title_full_unstemmed Drought constrains acorn production and tree growth in the Mediterranean holm oak and triggers weak legacy effects
title_sort Drought constrains acorn production and tree growth in the Mediterranean holm oak and triggers weak legacy effects
dc.creator.none.fl_str_mv García-Barreda, Sergi
Valeriano, Cristina
Camarero, Jesús Julio
author García-Barreda, Sergi
author_facet García-Barreda, Sergi
Valeriano, Cristina
Camarero, Jesús Julio
author_role author
author2 Valeriano, Cristina
Camarero, Jesús Julio
author2_role author
author
dc.contributor.none.fl_str_mv Ministerio de Ciencia, Innovación y Universidades (España)
Agencia Estatal de Investigación (España)
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Drought
Legacy
Acorn production
Radial growth
Quercus ilex
Masting
topic Drought
Legacy
Acorn production
Radial growth
Quercus ilex
Masting
description Droughts are becoming more frequent in the Mediterranean basin due to warmer conditions. Droughts negatively impact forests growth for several years, often generating negative legacies or carryover effects. However, these legacies differ among tree species, sites and drought characteristics and have been mainly studied considering tree growth or canopy greenness, but ignoring reproductive phenomena. Here, we compare the legacy effects of drought on acorn and male inflorescence production and radial growth by using a 19-year series of 150 Quercus ilex individuals in three stands located in north-eastern Spain. We evaluate the relationships between monthly climate variables, tree-ring width, acorn production and male inflorescence production. For the two driest years considered (2005 and 2012), when very few acorns were produced, we did not find negative legacy effects on acorn production in the three years following droughts. The production of male inflorescences did not show any significant legacy after drought, although its annual variation was related to the climatic conditions of the year before acorn ripening. Acorn production was higher than expected for some of these years, apparently following the pattern of tree growth recovery with a certain lag. This compensatory response of acorn production differed between the two analysed droughts, in accordance with different conditions of drought timing and post-drought climate conditions. Even though few negative legacy effects of growth and acorn production were found, we confirmed the negative effect of drought stress on tree growth and acorn production, linked to dry winter conditions. Our findings confirm that drought features (timing, duration, intensity) and post-drought climate conditions influence tree growth and reproduction legacies.
publishDate 2023
dc.date.none.fl_str_mv 2023
2024
2024
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/344480
url http://hdl.handle.net/10261/344480
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv #PLACEHOLDER_PARENT_METADATA_VALUE#
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-096884-B-C31
The underlying dataset has been published as supplementary material of the article in the publisher platform at https://doi.org/10.1016/j.agrformet.2023.109435
https://doi.org/10.1016/j.agrformet.2023.109435
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
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 reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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