Thermal performance of the heterotrophic dinoflagellate Oxyrrhis marina under long-term warming and acute heat stress

13 pages, 5 figures, 2 tables, supplementary data https://doi.org/10.1093/plankt/fbaf013.-- The dataset will be available in the DIGITAL.CSIC repository upon publication of the manuscript https://doi.org/10.20350/digitalCSIC/17510

Detalles Bibliográficos
Autores: García-Martínez, Minerva, Saiz, Enric, Calbet, Albert
Tipo de recurso: artículo
Fecha de publicación:2025
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/398196
Acceso en línea:http://hdl.handle.net/10261/398196
Access Level:acceso abierto
Palabra clave:Thermal acclimation
Oxyrrhis marina
Thermal performance curve
Functional response
Marine food web
http://metadata.un.org/sdg/14
Conserve and sustainably use the oceans, seas and marine resources for sustainable development
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spelling Thermal performance of the heterotrophic dinoflagellate Oxyrrhis marina under long-term warming and acute heat stressGarcía-Martínez, MinervaSaiz, EnricCalbet, AlbertThermal acclimationOxyrrhis marinaThermal performance curveFunctional responseMarine food webhttp://metadata.un.org/sdg/14Conserve and sustainably use the oceans, seas and marine resources for sustainable development13 pages, 5 figures, 2 tables, supplementary data https://doi.org/10.1093/plankt/fbaf013.-- The dataset will be available in the DIGITAL.CSIC repository upon publication of the manuscript https://doi.org/10.20350/digitalCSIC/17510We investigated the thermal tolerance and physiological responses of the heterotrophic dinoflagellate Oxyrrhis marina reared for more than 34 months at 16, 19 or 22°C, using Rhodomonas salina as prey. First, we constructed the thermal performance curves for the growth rate of the three thermal lines of O. marina and found that the maximum growth rates and the optimum temperature increased with higher rearing temperature. Next, we examined the functional responses at each rearing temperature and under acute heat stress (+3°C). Maximum ingestion rates (in cells and carbon) showed limited temperature sensitivity, regardless of chronic or acute heat exposure. Under heat stress, the 16 and 19°C lines saturated at lower prey abundances and showed enhanced clearance rates, whereas the 22°C line experienced negative effects. Growth rates increased with temperature, particularly under acute stress, while growth efficiencies remained stable under long-term thermal exposure and increased only when subjected to acute heat stress. Overall, these findings suggest O. marina follows a “Hotter is partially better” model, with notable differences between the 16 and 22°C lines. Our results highlight the importance of considering both gradual and abrupt temperature changes when predicting climate change impacts on marine food webs and biogeochemical processesThis study acknowledges the “Severo Ochoa Centre of Excellence” accreditation (CEX2019-000928.S), and the Marine Plankton Ecology research group (2021 SGR 00427)Peer reviewedAcademic PressAgencia Estatal de Investigación (España)Generalitat de CatalunyaConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202520252025info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501http://hdl.handle.net/10261/398196reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Ingléshttps://doi.org/10.1093/plankt/fbaf013Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3981962026-05-22T06:33:51Z
dc.title.none.fl_str_mv Thermal performance of the heterotrophic dinoflagellate Oxyrrhis marina under long-term warming and acute heat stress
title Thermal performance of the heterotrophic dinoflagellate Oxyrrhis marina under long-term warming and acute heat stress
spellingShingle Thermal performance of the heterotrophic dinoflagellate Oxyrrhis marina under long-term warming and acute heat stress
García-Martínez, Minerva
Thermal acclimation
Oxyrrhis marina
Thermal performance curve
Functional response
Marine food web
http://metadata.un.org/sdg/14
Conserve and sustainably use the oceans, seas and marine resources for sustainable development
title_short Thermal performance of the heterotrophic dinoflagellate Oxyrrhis marina under long-term warming and acute heat stress
title_full Thermal performance of the heterotrophic dinoflagellate Oxyrrhis marina under long-term warming and acute heat stress
title_fullStr Thermal performance of the heterotrophic dinoflagellate Oxyrrhis marina under long-term warming and acute heat stress
title_full_unstemmed Thermal performance of the heterotrophic dinoflagellate Oxyrrhis marina under long-term warming and acute heat stress
title_sort Thermal performance of the heterotrophic dinoflagellate Oxyrrhis marina under long-term warming and acute heat stress
dc.creator.none.fl_str_mv García-Martínez, Minerva
Saiz, Enric
Calbet, Albert
author García-Martínez, Minerva
author_facet García-Martínez, Minerva
Saiz, Enric
Calbet, Albert
author_role author
author2 Saiz, Enric
Calbet, Albert
author2_role author
author
dc.contributor.none.fl_str_mv Agencia Estatal de Investigación (España)
Generalitat de Catalunya
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Thermal acclimation
Oxyrrhis marina
Thermal performance curve
Functional response
Marine food web
http://metadata.un.org/sdg/14
Conserve and sustainably use the oceans, seas and marine resources for sustainable development
topic Thermal acclimation
Oxyrrhis marina
Thermal performance curve
Functional response
Marine food web
http://metadata.un.org/sdg/14
Conserve and sustainably use the oceans, seas and marine resources for sustainable development
description 13 pages, 5 figures, 2 tables, supplementary data https://doi.org/10.1093/plankt/fbaf013.-- The dataset will be available in the DIGITAL.CSIC repository upon publication of the manuscript https://doi.org/10.20350/digitalCSIC/17510
publishDate 2025
dc.date.none.fl_str_mv 2025
2025
2025
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/398196
url http://hdl.handle.net/10261/398196
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv https://doi.org/10.1093/plankt/fbaf013
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Academic Press
publisher.none.fl_str_mv Academic Press
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
_version_ 1869418947251535872
score 15,81155

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