Thermal refugia reinforce macroalgal resilience against climate change in the southeastern Bay of Biscay

Rising global temperatures present unprecedented challenges to marine ecosystems, demanding a profound understanding of their ecological dynamics for effective conservation strategies. Over a comprehensive macroalgal assessment spanning three decades, we investigated the spatiotemporal evolution of...

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Autores: Arriaga Telleria, Olatz, Wawrzynkowski, P., Muguerza Latorre, Naiara, Díez San Vicente, Isabel, González Amelibia, Julene, Gorostiaga Garay, José María, Quintano Erraiz, Endika, Becerro, M. A.
Tipo de recurso: artículo
Fecha de publicación:2024
País:España
Institución:Universidad del País Vasco
Repositorio:Addi. Archivo Digital para la Docencia y la Investigación
OAI Identifier:oai:addi.ehu.eus:10810/69474
Acceso en línea:http://hdl.handle.net/10810/69474
Access Level:acceso abierto
Palabra clave:Bay of Biscay
canopy
climate change
Community Temperature Index (CTI)
macroalgae
phase shifts
refugia
subtidal
temperature
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spelling Thermal refugia reinforce macroalgal resilience against climate change in the southeastern Bay of BiscayArriaga Telleria, OlatzWawrzynkowski, P.Muguerza Latorre, NaiaraDíez San Vicente, IsabelGonzález Amelibia, JuleneGorostiaga Garay, José MaríaQuintano Erraiz, EndikaBecerro, M. A.Bay of Biscaycanopyclimate changeCommunity Temperature Index (CTI)macroalgaephase shiftsrefugiasubtidaltemperatureRising global temperatures present unprecedented challenges to marine ecosystems, demanding a profound understanding of their ecological dynamics for effective conservation strategies. Over a comprehensive macroalgal assessment spanning three decades, we investigated the spatiotemporal evolution of shallow-water benthic communities in the southern Bay of Biscay, uncovering climate-resilient areas amidst the ongoing phase shift in the region. Our investigation identified seven locations serving as potential climate refugia, where cold-affinity, canopy-forming macroalgal species persisted and community structure was similar to that observed in 1991. We unveiled a clear association between the emergence of these refugia, sea surface temperature (SST), and the Community Temperature Index, positioning SST as a significant driver of the observed phase shift in the region. Warming processes, defined as tropicalization (increase of warm-affinity species) and deborealization (decrease of cold-affinity species), were prominent outside refugia. In contrast, cooling processes, defined as borealization (increase of cold-affinity species) and detropicalization (decrease of warm-affinity species), prevailed inside refugia. Refugia exhibited approximately 35% lower warming processes compared to non-refuge areas. This resulted in a dominance of warm-affinity species outside refugia, contrasting with the stability observed within refugia. The persistence of canopy-forming species in refuge areas significantly contributed to maintaining ecosystem diversity and stability. These findings underscored the pivotal role of climate refugia in mitigating climate-driven impacts. Prioritizing the protection and restoration of these refugia can foster resilience and ensure the preservation of biodiversity for future generations. Our study illustrates the importance of refining our understanding of how marine ecosystems respond to climate change, offering actionable insights essential for informed conservation strategies and sustainable environmental management.This work was supported by the DIVERSAT project (Spanish Ministry of Science RTI2018-098970-B-I00). The main author is financially supported by a Basque Government predoctoral grant (Reference N°: PRE_2022_2_0127).Wiley202420242024info:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10810/69474reponame:Addi. Archivo Digital para la Docencia y la Investigacióninstname:Universidad del País VascoInglésinfo:eu-repo/grantAgreement/MICIU/RTI2018-098970-B-I00/https://onlinelibrary.wiley.com/doi/full/10.1111/gcb.17481info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-nd/3.0/es/© 2024 The Author(s). Global Change Biology published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.Atribución-NoComercial-SinDerivadas 3.0 Españaoai:addi.ehu.eus:10810/694742026-06-18T09:23:17Z
dc.title.none.fl_str_mv Thermal refugia reinforce macroalgal resilience against climate change in the southeastern Bay of Biscay
title Thermal refugia reinforce macroalgal resilience against climate change in the southeastern Bay of Biscay
spellingShingle Thermal refugia reinforce macroalgal resilience against climate change in the southeastern Bay of Biscay
Arriaga Telleria, Olatz
Bay of Biscay
canopy
climate change
Community Temperature Index (CTI)
macroalgae
phase shifts
refugia
subtidal
temperature
title_short Thermal refugia reinforce macroalgal resilience against climate change in the southeastern Bay of Biscay
title_full Thermal refugia reinforce macroalgal resilience against climate change in the southeastern Bay of Biscay
title_fullStr Thermal refugia reinforce macroalgal resilience against climate change in the southeastern Bay of Biscay
title_full_unstemmed Thermal refugia reinforce macroalgal resilience against climate change in the southeastern Bay of Biscay
title_sort Thermal refugia reinforce macroalgal resilience against climate change in the southeastern Bay of Biscay
dc.creator.none.fl_str_mv Arriaga Telleria, Olatz
Wawrzynkowski, P.
Muguerza Latorre, Naiara
Díez San Vicente, Isabel
González Amelibia, Julene
Gorostiaga Garay, José María
Quintano Erraiz, Endika
Becerro, M. A.
author Arriaga Telleria, Olatz
author_facet Arriaga Telleria, Olatz
Wawrzynkowski, P.
Muguerza Latorre, Naiara
Díez San Vicente, Isabel
González Amelibia, Julene
Gorostiaga Garay, José María
Quintano Erraiz, Endika
Becerro, M. A.
author_role author
author2 Wawrzynkowski, P.
Muguerza Latorre, Naiara
Díez San Vicente, Isabel
González Amelibia, Julene
Gorostiaga Garay, José María
Quintano Erraiz, Endika
Becerro, M. A.
author2_role author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Bay of Biscay
canopy
climate change
Community Temperature Index (CTI)
macroalgae
phase shifts
refugia
subtidal
temperature
topic Bay of Biscay
canopy
climate change
Community Temperature Index (CTI)
macroalgae
phase shifts
refugia
subtidal
temperature
description Rising global temperatures present unprecedented challenges to marine ecosystems, demanding a profound understanding of their ecological dynamics for effective conservation strategies. Over a comprehensive macroalgal assessment spanning three decades, we investigated the spatiotemporal evolution of shallow-water benthic communities in the southern Bay of Biscay, uncovering climate-resilient areas amidst the ongoing phase shift in the region. Our investigation identified seven locations serving as potential climate refugia, where cold-affinity, canopy-forming macroalgal species persisted and community structure was similar to that observed in 1991. We unveiled a clear association between the emergence of these refugia, sea surface temperature (SST), and the Community Temperature Index, positioning SST as a significant driver of the observed phase shift in the region. Warming processes, defined as tropicalization (increase of warm-affinity species) and deborealization (decrease of cold-affinity species), were prominent outside refugia. In contrast, cooling processes, defined as borealization (increase of cold-affinity species) and detropicalization (decrease of warm-affinity species), prevailed inside refugia. Refugia exhibited approximately 35% lower warming processes compared to non-refuge areas. This resulted in a dominance of warm-affinity species outside refugia, contrasting with the stability observed within refugia. The persistence of canopy-forming species in refuge areas significantly contributed to maintaining ecosystem diversity and stability. These findings underscored the pivotal role of climate refugia in mitigating climate-driven impacts. Prioritizing the protection and restoration of these refugia can foster resilience and ensure the preservation of biodiversity for future generations. Our study illustrates the importance of refining our understanding of how marine ecosystems respond to climate change, offering actionable insights essential for informed conservation strategies and sustainable environmental management.
publishDate 2024
dc.date.none.fl_str_mv 2024
2024
2024
dc.type.none.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10810/69474
url http://hdl.handle.net/10810/69474
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv info:eu-repo/grantAgreement/MICIU/RTI2018-098970-B-I00/
https://onlinelibrary.wiley.com/doi/full/10.1111/gcb.17481
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
Atribución-NoComercial-SinDerivadas 3.0 España
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-nd/3.0/es/
Atribución-NoComercial-SinDerivadas 3.0 España
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Wiley
publisher.none.fl_str_mv Wiley
dc.source.none.fl_str_mv reponame:Addi. Archivo Digital para la Docencia y la Investigación
instname:Universidad del País Vasco
instname_str Universidad del País Vasco
reponame_str Addi. Archivo Digital para la Docencia y la Investigación
collection Addi. Archivo Digital para la Docencia y la Investigación
repository.name.fl_str_mv
repository.mail.fl_str_mv
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