Morphology of Arctic cod (Boreogadus saida) assessed according to habitat preference and age in the Beaufort Sea
Arctic cod ( Boreogadus saida ) represents the most widespread and abundant fish in the Arctic and is a critical trophic link in its ecosystems. Like many species endemic to the region, it has lost essential habitat as the extent and thickness of sea ice have declined substantially in recent decades...
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ftzenodo:oai:zenodo.org:8111838 2024-09-15T17:50:11+00:00 Morphology of Arctic cod (Boreogadus saida) assessed according to habitat preference and age in the Beaufort Sea Roy, Denis Malizia, Juliano Launay, Marie Bruvold, Ingrid Quintela, María Johansen, Torild Reist, James Majewski, Andrew 2023-07-03 https://doi.org/10.5061/dryad.5dv41nsbh unknown Zenodo https://github.com/denisroy1/Arctic-cod-Morphology/ https://doi.org/10.1139/as-2022-0043 https://zenodo.org/communities/dryad https://doi.org/10.5061/dryad.5dv41nsbh oai:zenodo.org:8111838 info:eu-repo/semantics/openAccess Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode Arctic marine ecosystem Ecotypes key species Functional morphology Geometric Morphometrics gill rakers benthic-pelagic coupling ontogeny info:eu-repo/semantics/other 2023 ftzenodo https://doi.org/10.5061/dryad.5dv41nsbh10.1139/as-2022-0043 2024-07-27T05:06:55Z Arctic cod ( Boreogadus saida ) represents the most widespread and abundant fish in the Arctic and is a critical trophic link in its ecosystems. Like many species endemic to the region, it has lost essential habitat as the extent and thickness of sea ice have declined substantially in recent decades. Extreme warming induced by climate change continues to deteriorate polar marine environments. Thus, understanding how Arctic cod uses and partitions its habitat/environment is central to its conservation. We assessed Arctic cod functional morphology using traditional (including gill rakers) and geometric morphometrics and explored whether these differed among habitats and age classes using multivariate techniques. While distinct ecotypes have been proposed, these were not detected in our analyses. Rather, results show similar patterns in the external morphology of Arctic cod across habitats and age classes in the Beaufort Sea. However, analysis of gill rakers revealed concurrent habitat- and age-specific changes likely associated with dietary preferences. Findings indicate that although Arctic cod does not specialise in external morphological features in any habitat, important aspects of its internal feeding morphology shift as it grows, likely underpinning important distributional changes and the species' critical role in transferring energy in Arctic marine ecosystems. Funding provided by: Natural Sciences and Engineering Research Council of Canada Crossref Funder Registry ID: http://dx.doi.org/10.13039/501100000038 Award Number: 539657 Funding provided by: Fonds de recherche du Québec – Nature et technologies Crossref Funder Registry ID: http://dx.doi.org/10.13039/501100003151 Award Number: 321301 Funding provided by: McGill University Crossref Funder Registry ID: http://dx.doi.org/10.13039/100008582 Award Number: 130244 Funding provided by: Natural Sciences and Engineering Research Council of Canada Crossref Funder Registry ID: http://dx.doi.org/10.13039/501100000038 Award Number: RGPIN-2023-04039 Other/Unknown Material Arctic Arctic cod Beaufort Sea Boreogadus saida Climate change Sea ice Zenodo |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Arctic marine ecosystem Ecotypes key species Functional morphology Geometric Morphometrics gill rakers benthic-pelagic coupling ontogeny |
spellingShingle |
Arctic marine ecosystem Ecotypes key species Functional morphology Geometric Morphometrics gill rakers benthic-pelagic coupling ontogeny Roy, Denis Malizia, Juliano Launay, Marie Bruvold, Ingrid Quintela, María Johansen, Torild Reist, James Majewski, Andrew Morphology of Arctic cod (Boreogadus saida) assessed according to habitat preference and age in the Beaufort Sea |
topic_facet |
Arctic marine ecosystem Ecotypes key species Functional morphology Geometric Morphometrics gill rakers benthic-pelagic coupling ontogeny |
description |
Arctic cod ( Boreogadus saida ) represents the most widespread and abundant fish in the Arctic and is a critical trophic link in its ecosystems. Like many species endemic to the region, it has lost essential habitat as the extent and thickness of sea ice have declined substantially in recent decades. Extreme warming induced by climate change continues to deteriorate polar marine environments. Thus, understanding how Arctic cod uses and partitions its habitat/environment is central to its conservation. We assessed Arctic cod functional morphology using traditional (including gill rakers) and geometric morphometrics and explored whether these differed among habitats and age classes using multivariate techniques. While distinct ecotypes have been proposed, these were not detected in our analyses. Rather, results show similar patterns in the external morphology of Arctic cod across habitats and age classes in the Beaufort Sea. However, analysis of gill rakers revealed concurrent habitat- and age-specific changes likely associated with dietary preferences. Findings indicate that although Arctic cod does not specialise in external morphological features in any habitat, important aspects of its internal feeding morphology shift as it grows, likely underpinning important distributional changes and the species' critical role in transferring energy in Arctic marine ecosystems. Funding provided by: Natural Sciences and Engineering Research Council of Canada Crossref Funder Registry ID: http://dx.doi.org/10.13039/501100000038 Award Number: 539657 Funding provided by: Fonds de recherche du Québec – Nature et technologies Crossref Funder Registry ID: http://dx.doi.org/10.13039/501100003151 Award Number: 321301 Funding provided by: McGill University Crossref Funder Registry ID: http://dx.doi.org/10.13039/100008582 Award Number: 130244 Funding provided by: Natural Sciences and Engineering Research Council of Canada Crossref Funder Registry ID: http://dx.doi.org/10.13039/501100000038 Award Number: RGPIN-2023-04039 |
format |
Other/Unknown Material |
author |
Roy, Denis Malizia, Juliano Launay, Marie Bruvold, Ingrid Quintela, María Johansen, Torild Reist, James Majewski, Andrew |
author_facet |
Roy, Denis Malizia, Juliano Launay, Marie Bruvold, Ingrid Quintela, María Johansen, Torild Reist, James Majewski, Andrew |
author_sort |
Roy, Denis |
title |
Morphology of Arctic cod (Boreogadus saida) assessed according to habitat preference and age in the Beaufort Sea |
title_short |
Morphology of Arctic cod (Boreogadus saida) assessed according to habitat preference and age in the Beaufort Sea |
title_full |
Morphology of Arctic cod (Boreogadus saida) assessed according to habitat preference and age in the Beaufort Sea |
title_fullStr |
Morphology of Arctic cod (Boreogadus saida) assessed according to habitat preference and age in the Beaufort Sea |
title_full_unstemmed |
Morphology of Arctic cod (Boreogadus saida) assessed according to habitat preference and age in the Beaufort Sea |
title_sort |
morphology of arctic cod (boreogadus saida) assessed according to habitat preference and age in the beaufort sea |
publisher |
Zenodo |
publishDate |
2023 |
url |
https://doi.org/10.5061/dryad.5dv41nsbh |
genre |
Arctic Arctic cod Beaufort Sea Boreogadus saida Climate change Sea ice |
genre_facet |
Arctic Arctic cod Beaufort Sea Boreogadus saida Climate change Sea ice |
op_relation |
https://github.com/denisroy1/Arctic-cod-Morphology/ https://doi.org/10.1139/as-2022-0043 https://zenodo.org/communities/dryad https://doi.org/10.5061/dryad.5dv41nsbh oai:zenodo.org:8111838 |
op_rights |
info:eu-repo/semantics/openAccess Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode |
op_doi |
https://doi.org/10.5061/dryad.5dv41nsbh10.1139/as-2022-0043 |
_version_ |
1810292033281064960 |