Tree-ring isotopic imprints on time-series of reproductive effort indicate warming-induced co-limitation by sink and source processes in stone pine

Increasing evidence indicates that tree growth processes, including reproduction, can be either sink- or source-limited, or simultaneously co-limited by sink and source, depending on the interplay between internal and environmental factors. We tested the hypothesis that the relative strengths of pho...

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Autores: Shestakova, Tatiana A., Sin Casas, Esther, Gordo, Francisco Javier, Voltas Velasco, Jordi
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2023
País:España
Institución:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:10459.1/464840
Acceso en línea:https://doi.org/10.1093/treephys/tpad147
https://hdl.handle.net/10459.1/464840
Access Level:acceso abierto
Palabra clave:Carbon allocation
Masting
Stable isotopes
Sink strength
Source limitation
Source-sink relationships
Tree rings
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spelling Tree-ring isotopic imprints on time-series of reproductive effort indicate warming-induced co-limitation by sink and source processes in stone pineShestakova, Tatiana A.Sin Casas, EstherGordo, Francisco JavierVoltas Velasco, JordiCarbon allocationMastingStable isotopesSink strengthSource limitationSource-sink relationshipsTree ringsIncreasing evidence indicates that tree growth processes, including reproduction, can be either sink- or source-limited, or simultaneously co-limited by sink and source, depending on the interplay between internal and environmental factors. We tested the hypothesis that the relative strengths of photosynthate supply and demand by stem growth and reproduction create variable competition for substrate that is imprinted in tree-ring isotopes (C, O) of stone pine (Pinus pinea L.), a masting gymnosperm with large costs of reproduction, under warming-induced drought. Across five representative stands of the Spanish Northern Plateau, we also identified reproductive phases where weather drivers of cone yield have varied over a 60-year period (1960-2016). We found that these drivers gradually shifted from winter-spring conditions three years before seed rain (cone setting) to a combination of three- and one-year lagged effects (kernel filling). Additionally, we observed positive regional associations between carbon isotope discrimination (Δ13C) of the year of kernel filling and cone yield arising at the turn of this century, which progressively offset similarly positive relationships between Δ13C of the year of cone setting and cone yield found during the first half of the study period. Altogether, these results pinpoint increasing dependence of reproduction on fresh assimilates, and suggest sink and source co-limitation superseding the sink-limited functioning of reproduction dominant before 2000. Under climate warming, it could be expected that drier conditions reinforce the role of source limitation on reproduction and, hence, on regeneration, forest structure, and economic profit of the nutlike seeds of the species.Spanish Government, grants RTI2018-094691-B-C31 (“RESILPINE”, MCIU / AEI / UE) and PID2022-140521OB-C33 (“PLASTICPINE, MCIU / AEI / UE). Tatiana A. Shestakova acknowledges the support received by the Beatriu de Pinòs Programme and the Ministry of Research and Universities of the Government of Catalonia (2020 BP 00126).Oxford University Press2023info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersionapplication/pdfhttps://doi.org/10.1093/treephys/tpad147https://hdl.handle.net/10459.1/464840reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)Inglésinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-094691-B-C31info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2022-140521OB-C33Versió postprint del document publicat a: https://doi.org/10.1093/treephys/tpad147Tree Physiology, 2024, vol. 44, núm. 1, tpad147, p. 1-16https://doi.org/10.34810/data976(c) Shestakova, Tatiana A. et al., 2023info:eu-repo/semantics/openAccessoai:recercat.cat:10459.1/4648402026-05-29T05:05:01Z
dc.title.none.fl_str_mv Tree-ring isotopic imprints on time-series of reproductive effort indicate warming-induced co-limitation by sink and source processes in stone pine
title Tree-ring isotopic imprints on time-series of reproductive effort indicate warming-induced co-limitation by sink and source processes in stone pine
spellingShingle Tree-ring isotopic imprints on time-series of reproductive effort indicate warming-induced co-limitation by sink and source processes in stone pine
Shestakova, Tatiana A.
Carbon allocation
Masting
Stable isotopes
Sink strength
Source limitation
Source-sink relationships
Tree rings
title_short Tree-ring isotopic imprints on time-series of reproductive effort indicate warming-induced co-limitation by sink and source processes in stone pine
title_full Tree-ring isotopic imprints on time-series of reproductive effort indicate warming-induced co-limitation by sink and source processes in stone pine
title_fullStr Tree-ring isotopic imprints on time-series of reproductive effort indicate warming-induced co-limitation by sink and source processes in stone pine
title_full_unstemmed Tree-ring isotopic imprints on time-series of reproductive effort indicate warming-induced co-limitation by sink and source processes in stone pine
title_sort Tree-ring isotopic imprints on time-series of reproductive effort indicate warming-induced co-limitation by sink and source processes in stone pine
dc.creator.none.fl_str_mv Shestakova, Tatiana A.
Sin Casas, Esther
Gordo, Francisco Javier
Voltas Velasco, Jordi
author Shestakova, Tatiana A.
author_facet Shestakova, Tatiana A.
Sin Casas, Esther
Gordo, Francisco Javier
Voltas Velasco, Jordi
author_role author
author2 Sin Casas, Esther
Gordo, Francisco Javier
Voltas Velasco, Jordi
author2_role author
author
author
dc.subject.none.fl_str_mv Carbon allocation
Masting
Stable isotopes
Sink strength
Source limitation
Source-sink relationships
Tree rings
topic Carbon allocation
Masting
Stable isotopes
Sink strength
Source limitation
Source-sink relationships
Tree rings
description Increasing evidence indicates that tree growth processes, including reproduction, can be either sink- or source-limited, or simultaneously co-limited by sink and source, depending on the interplay between internal and environmental factors. We tested the hypothesis that the relative strengths of photosynthate supply and demand by stem growth and reproduction create variable competition for substrate that is imprinted in tree-ring isotopes (C, O) of stone pine (Pinus pinea L.), a masting gymnosperm with large costs of reproduction, under warming-induced drought. Across five representative stands of the Spanish Northern Plateau, we also identified reproductive phases where weather drivers of cone yield have varied over a 60-year period (1960-2016). We found that these drivers gradually shifted from winter-spring conditions three years before seed rain (cone setting) to a combination of three- and one-year lagged effects (kernel filling). Additionally, we observed positive regional associations between carbon isotope discrimination (Δ13C) of the year of kernel filling and cone yield arising at the turn of this century, which progressively offset similarly positive relationships between Δ13C of the year of cone setting and cone yield found during the first half of the study period. Altogether, these results pinpoint increasing dependence of reproduction on fresh assimilates, and suggest sink and source co-limitation superseding the sink-limited functioning of reproduction dominant before 2000. Under climate warming, it could be expected that drier conditions reinforce the role of source limitation on reproduction and, hence, on regeneration, forest structure, and economic profit of the nutlike seeds of the species.
publishDate 2023
dc.date.none.fl_str_mv 2023
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv https://doi.org/10.1093/treephys/tpad147
https://hdl.handle.net/10459.1/464840
url https://doi.org/10.1093/treephys/tpad147
https://hdl.handle.net/10459.1/464840
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-094691-B-C31
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2022-140521OB-C33
Versió postprint del document publicat a: https://doi.org/10.1093/treephys/tpad147
Tree Physiology, 2024, vol. 44, núm. 1, tpad147, p. 1-16
https://doi.org/10.34810/data976
dc.rights.none.fl_str_mv (c) Shestakova, Tatiana A. et al., 2023
info:eu-repo/semantics/openAccess
rights_invalid_str_mv (c) Shestakova, Tatiana A. et al., 2023
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Oxford University Press
publisher.none.fl_str_mv Oxford University Press
dc.source.none.fl_str_mv reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
collection Recercat. Dipósit de la Recerca de Catalunya
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repository.mail.fl_str_mv
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