Modeling the impact of hypoxia on the energy budget of Atlantic cod in two populations of the Gulf of Saint-Lawrence, Canada
International audience Like many marine species around the globe, several stocks of Atlantic cod (Gadus morhua) live in increasingly hypoxic waters. In the Gulf of Saint Lawrence (GSL) in Canada, the deep channels traversing the semi-enclosed sea exhibit year-round hypoxia, identified as one of the...
Published in: | Journal of Sea Research |
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Main Authors: | , , , , , , |
Other Authors: | , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
HAL CCSD
2019
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Subjects: | |
Online Access: | https://hal.science/hal-02530668 https://hal.science/hal-02530668/document https://hal.science/hal-02530668/file/Lavaud_etal_Modeling-impact_hypoxia_JoSR_2019.pdf https://doi.org/10.1016/j.seares.2018.07.001 |
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ftunivbrest:oai:HAL:hal-02530668v1 |
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record_format |
openpolar |
institution |
Open Polar |
collection |
Université de Bretagne Occidentale: HAL |
op_collection_id |
ftunivbrest |
language |
English |
topic |
Hypoxia Dynamic energy budget Atlantic cod Growth Temperature Gulf of Saint-Lawrence ACL [SDV.EE]Life Sciences [q-bio]/Ecology environment [SDV.EE.ECO]Life Sciences [q-bio]/Ecology environment/Ecosystems |
spellingShingle |
Hypoxia Dynamic energy budget Atlantic cod Growth Temperature Gulf of Saint-Lawrence ACL [SDV.EE]Life Sciences [q-bio]/Ecology environment [SDV.EE.ECO]Life Sciences [q-bio]/Ecology environment/Ecosystems Lavaud, Romain Thomas, Yoann Pecquerie, Laure Benoît, Hugues P. Guyondet, Thomas Flye-Sainte-Marie, Jonathan Chabot, Denis Modeling the impact of hypoxia on the energy budget of Atlantic cod in two populations of the Gulf of Saint-Lawrence, Canada |
topic_facet |
Hypoxia Dynamic energy budget Atlantic cod Growth Temperature Gulf of Saint-Lawrence ACL [SDV.EE]Life Sciences [q-bio]/Ecology environment [SDV.EE.ECO]Life Sciences [q-bio]/Ecology environment/Ecosystems |
description |
International audience Like many marine species around the globe, several stocks of Atlantic cod (Gadus morhua) live in increasingly hypoxic waters. In the Gulf of Saint Lawrence (GSL) in Canada, the deep channels traversing the semi-enclosed sea exhibit year-round hypoxia, identified as one of the limiting factor for the recovery of GSL cod in its northern part. While many individuals in the northern GSL are known to venture in deeper, warmer, and more hypoxic waters of the Gulf channels, those in the southern GSL live in a shallower, colder, and more oxygenated environment. In this study, we use the modeling framework of the Dynamic Energy Budget (DEB) theory to disentangle the effects of hypoxia, temperature and food on the life-history traits of these two populations of cod in the GSL. Following recent advances by Thomas et al. (2018, this issue) on the mechanisms for the effects of hypoxia within the context of DEB theory, we implemented a correction of ingestion depending on dissolved oxygen (DO) saturation. We successfully developed and validated a set of parameters for a GSL Atlantic cod DEB model. Using simulations of historical growth trajectories from 1990 until 2004 estimated from data collected through fisheries research surveys, we found that temperature explained about half (48%) of the difference in length and 59% of the difference in mass between the two populations. The remaining proportion was attributed to exposure to hypoxia and food input. We also used our model to explore scenarios of duration, frequency, and intensity of hypoxia on cod's life-history traits, which showed that decreasing DO linearly reduces growth and reproduction while young cod seem to avoid impairing conditions resulting in limiting effects on developmental stages. |
author2 |
Fisheries and Oceans Canada (DFO) Laboratoire des Sciences de l'Environnement Marin (LEMAR) (LEMAR) Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Université de Brest (UBO)-Institut Universitaire Européen de la Mer (IUEM) Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS) Institut de Recherche pour le Développement (IRD) ANR-10-LABX-0019,LabexMER,LabexMER Marine Excellence Research: a changing ocean(2010) |
format |
Article in Journal/Newspaper |
author |
Lavaud, Romain Thomas, Yoann Pecquerie, Laure Benoît, Hugues P. Guyondet, Thomas Flye-Sainte-Marie, Jonathan Chabot, Denis |
author_facet |
Lavaud, Romain Thomas, Yoann Pecquerie, Laure Benoît, Hugues P. Guyondet, Thomas Flye-Sainte-Marie, Jonathan Chabot, Denis |
author_sort |
Lavaud, Romain |
title |
Modeling the impact of hypoxia on the energy budget of Atlantic cod in two populations of the Gulf of Saint-Lawrence, Canada |
title_short |
Modeling the impact of hypoxia on the energy budget of Atlantic cod in two populations of the Gulf of Saint-Lawrence, Canada |
title_full |
Modeling the impact of hypoxia on the energy budget of Atlantic cod in two populations of the Gulf of Saint-Lawrence, Canada |
title_fullStr |
Modeling the impact of hypoxia on the energy budget of Atlantic cod in two populations of the Gulf of Saint-Lawrence, Canada |
title_full_unstemmed |
Modeling the impact of hypoxia on the energy budget of Atlantic cod in two populations of the Gulf of Saint-Lawrence, Canada |
title_sort |
modeling the impact of hypoxia on the energy budget of atlantic cod in two populations of the gulf of saint-lawrence, canada |
publisher |
HAL CCSD |
publishDate |
2019 |
url |
https://hal.science/hal-02530668 https://hal.science/hal-02530668/document https://hal.science/hal-02530668/file/Lavaud_etal_Modeling-impact_hypoxia_JoSR_2019.pdf https://doi.org/10.1016/j.seares.2018.07.001 |
geographic |
Canada |
geographic_facet |
Canada |
genre |
atlantic cod Gadus morhua |
genre_facet |
atlantic cod Gadus morhua |
op_source |
ISSN: 1385-1101 EISSN: 1873-1414 Journal of Sea Research (JSR) https://hal.science/hal-02530668 Journal of Sea Research (JSR), 2019, 143, pp.243-253. ⟨10.1016/j.seares.2018.07.001⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.seares.2018.07.001 hal-02530668 https://hal.science/hal-02530668 https://hal.science/hal-02530668/document https://hal.science/hal-02530668/file/Lavaud_etal_Modeling-impact_hypoxia_JoSR_2019.pdf doi:10.1016/j.seares.2018.07.001 IRD: fdi:010074832 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1016/j.seares.2018.07.001 |
container_title |
Journal of Sea Research |
container_volume |
143 |
container_start_page |
243 |
op_container_end_page |
253 |
_version_ |
1790597824186941440 |
spelling |
ftunivbrest:oai:HAL:hal-02530668v1 2024-02-11T10:01:56+01:00 Modeling the impact of hypoxia on the energy budget of Atlantic cod in two populations of the Gulf of Saint-Lawrence, Canada Lavaud, Romain Thomas, Yoann Pecquerie, Laure Benoît, Hugues P. Guyondet, Thomas Flye-Sainte-Marie, Jonathan Chabot, Denis Fisheries and Oceans Canada (DFO) Laboratoire des Sciences de l'Environnement Marin (LEMAR) (LEMAR) Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Université de Brest (UBO)-Institut Universitaire Européen de la Mer (IUEM) Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS) Institut de Recherche pour le Développement (IRD) ANR-10-LABX-0019,LabexMER,LabexMER Marine Excellence Research: a changing ocean(2010) 2019-01 https://hal.science/hal-02530668 https://hal.science/hal-02530668/document https://hal.science/hal-02530668/file/Lavaud_etal_Modeling-impact_hypoxia_JoSR_2019.pdf https://doi.org/10.1016/j.seares.2018.07.001 en eng HAL CCSD Elsevier info:eu-repo/semantics/altIdentifier/doi/10.1016/j.seares.2018.07.001 hal-02530668 https://hal.science/hal-02530668 https://hal.science/hal-02530668/document https://hal.science/hal-02530668/file/Lavaud_etal_Modeling-impact_hypoxia_JoSR_2019.pdf doi:10.1016/j.seares.2018.07.001 IRD: fdi:010074832 info:eu-repo/semantics/OpenAccess ISSN: 1385-1101 EISSN: 1873-1414 Journal of Sea Research (JSR) https://hal.science/hal-02530668 Journal of Sea Research (JSR), 2019, 143, pp.243-253. ⟨10.1016/j.seares.2018.07.001⟩ Hypoxia Dynamic energy budget Atlantic cod Growth Temperature Gulf of Saint-Lawrence ACL [SDV.EE]Life Sciences [q-bio]/Ecology environment [SDV.EE.ECO]Life Sciences [q-bio]/Ecology environment/Ecosystems info:eu-repo/semantics/article Journal articles 2019 ftunivbrest https://doi.org/10.1016/j.seares.2018.07.001 2024-01-23T23:39:46Z International audience Like many marine species around the globe, several stocks of Atlantic cod (Gadus morhua) live in increasingly hypoxic waters. In the Gulf of Saint Lawrence (GSL) in Canada, the deep channels traversing the semi-enclosed sea exhibit year-round hypoxia, identified as one of the limiting factor for the recovery of GSL cod in its northern part. While many individuals in the northern GSL are known to venture in deeper, warmer, and more hypoxic waters of the Gulf channels, those in the southern GSL live in a shallower, colder, and more oxygenated environment. In this study, we use the modeling framework of the Dynamic Energy Budget (DEB) theory to disentangle the effects of hypoxia, temperature and food on the life-history traits of these two populations of cod in the GSL. Following recent advances by Thomas et al. (2018, this issue) on the mechanisms for the effects of hypoxia within the context of DEB theory, we implemented a correction of ingestion depending on dissolved oxygen (DO) saturation. We successfully developed and validated a set of parameters for a GSL Atlantic cod DEB model. Using simulations of historical growth trajectories from 1990 until 2004 estimated from data collected through fisheries research surveys, we found that temperature explained about half (48%) of the difference in length and 59% of the difference in mass between the two populations. The remaining proportion was attributed to exposure to hypoxia and food input. We also used our model to explore scenarios of duration, frequency, and intensity of hypoxia on cod's life-history traits, which showed that decreasing DO linearly reduces growth and reproduction while young cod seem to avoid impairing conditions resulting in limiting effects on developmental stages. Article in Journal/Newspaper atlantic cod Gadus morhua Université de Bretagne Occidentale: HAL Canada Journal of Sea Research 143 243 253 |