Northeast Arctic Cod and Prey Match-Mismatch in a High-Latitude Spring-Bloom System
By combining an ocean model, a nutrient-phytoplankton-zooplankton-detritus-model and an individual-based model for early life stages of Northeast Arctic cod we systematically investigate food limitations and growth performance for individual cod larvae drifting along the Norwegian coast from spawnin...
Published in: | Frontiers in Marine Science |
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Online Access: | http://dx.doi.org/10.3389/fmars.2021.767191 https://www.frontiersin.org/articles/10.3389/fmars.2021.767191/full |
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crfrontiers:10.3389/fmars.2021.767191 2024-05-19T07:33:48+00:00 Northeast Arctic Cod and Prey Match-Mismatch in a High-Latitude Spring-Bloom System Vikebø, Frode B. Broch, Ole Jacob Endo, Clarissa Akemi Kajiya Frøysa, Håvard G. Carroll, JoLynn Juselius, Jonas Langangen, Øystein Norges Forskningsråd Norges Forskningsråd 2021 http://dx.doi.org/10.3389/fmars.2021.767191 https://www.frontiersin.org/articles/10.3389/fmars.2021.767191/full unknown Frontiers Media SA https://creativecommons.org/licenses/by/4.0/ Frontiers in Marine Science volume 8 ISSN 2296-7745 journal-article 2021 crfrontiers https://doi.org/10.3389/fmars.2021.767191 2024-05-01T06:50:37Z By combining an ocean model, a nutrient-phytoplankton-zooplankton-detritus-model and an individual-based model for early life stages of Northeast Arctic cod we systematically investigate food limitations and growth performance for individual cod larvae drifting along the Norwegian coast from spawning grounds toward nursery areas in the Barents Sea. We hypothesize that there is food shortage for larvae spawned early and late in the 2-monthlong spawning period, and to a larger degree to the north and south of the main spawning grounds in the Lofoten. Model results for three contrasting years (1995, 2001, and 2002) show that spawning early in the season at spawning grounds in the Lofoten and farther north is favorable for larval growth close to their size- and temperature-dependent potential. Still, both early and late spawned larvae experience slower growth than individuals originating closer to the time of peak spawning late March/early April. The reasons are low temperatures and shortage in suitable prey, respectively, and this occurs more frequent in areas of strong currents about 1–2 months post hatching. In particular, late spawned larvae grow relatively slow despite higher temperatures later in the season because they are outgrown by their preferred prey. Article in Journal/Newspaper Arctic cod Arctic Barents Sea Lofoten Northeast Arctic cod Phytoplankton Zooplankton Frontiers (Publisher) Frontiers in Marine Science 8 |
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By combining an ocean model, a nutrient-phytoplankton-zooplankton-detritus-model and an individual-based model for early life stages of Northeast Arctic cod we systematically investigate food limitations and growth performance for individual cod larvae drifting along the Norwegian coast from spawning grounds toward nursery areas in the Barents Sea. We hypothesize that there is food shortage for larvae spawned early and late in the 2-monthlong spawning period, and to a larger degree to the north and south of the main spawning grounds in the Lofoten. Model results for three contrasting years (1995, 2001, and 2002) show that spawning early in the season at spawning grounds in the Lofoten and farther north is favorable for larval growth close to their size- and temperature-dependent potential. Still, both early and late spawned larvae experience slower growth than individuals originating closer to the time of peak spawning late March/early April. The reasons are low temperatures and shortage in suitable prey, respectively, and this occurs more frequent in areas of strong currents about 1–2 months post hatching. In particular, late spawned larvae grow relatively slow despite higher temperatures later in the season because they are outgrown by their preferred prey. |
author2 |
Norges Forskningsråd Norges Forskningsråd |
format |
Article in Journal/Newspaper |
author |
Vikebø, Frode B. Broch, Ole Jacob Endo, Clarissa Akemi Kajiya Frøysa, Håvard G. Carroll, JoLynn Juselius, Jonas Langangen, Øystein |
spellingShingle |
Vikebø, Frode B. Broch, Ole Jacob Endo, Clarissa Akemi Kajiya Frøysa, Håvard G. Carroll, JoLynn Juselius, Jonas Langangen, Øystein Northeast Arctic Cod and Prey Match-Mismatch in a High-Latitude Spring-Bloom System |
author_facet |
Vikebø, Frode B. Broch, Ole Jacob Endo, Clarissa Akemi Kajiya Frøysa, Håvard G. Carroll, JoLynn Juselius, Jonas Langangen, Øystein |
author_sort |
Vikebø, Frode B. |
title |
Northeast Arctic Cod and Prey Match-Mismatch in a High-Latitude Spring-Bloom System |
title_short |
Northeast Arctic Cod and Prey Match-Mismatch in a High-Latitude Spring-Bloom System |
title_full |
Northeast Arctic Cod and Prey Match-Mismatch in a High-Latitude Spring-Bloom System |
title_fullStr |
Northeast Arctic Cod and Prey Match-Mismatch in a High-Latitude Spring-Bloom System |
title_full_unstemmed |
Northeast Arctic Cod and Prey Match-Mismatch in a High-Latitude Spring-Bloom System |
title_sort |
northeast arctic cod and prey match-mismatch in a high-latitude spring-bloom system |
publisher |
Frontiers Media SA |
publishDate |
2021 |
url |
http://dx.doi.org/10.3389/fmars.2021.767191 https://www.frontiersin.org/articles/10.3389/fmars.2021.767191/full |
genre |
Arctic cod Arctic Barents Sea Lofoten Northeast Arctic cod Phytoplankton Zooplankton |
genre_facet |
Arctic cod Arctic Barents Sea Lofoten Northeast Arctic cod Phytoplankton Zooplankton |
op_source |
Frontiers in Marine Science volume 8 ISSN 2296-7745 |
op_rights |
https://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.3389/fmars.2021.767191 |
container_title |
Frontiers in Marine Science |
container_volume |
8 |
_version_ |
1799471868157100032 |