Skipped spawning is common for the Northeast Arctic cod in a life-history energy allocation model ...
No abstracts are to be cited without prior reference to the author.That iteroparous fish reproduce every year after they have become sexually mature is a common assumption in fisheries science. Experimental and field studies suggest, however, that mature fish commonly skip spawning, often but not on...
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2024
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ftdatacite:10.17895/ices.pub.25349476.v1 2024-04-28T08:05:26+00:00 Skipped spawning is common for the Northeast Arctic cod in a life-history energy allocation model ... Jørgensen, Christian Ernande, Bruno Fiksen, Øyvind Dieckmann, Ulf 2024 https://dx.doi.org/10.17895/ices.pub.25349476.v1 https://ices-library.figshare.com/articles/conference_contribution/Skipped_spawning_is_common_for_the_Northeast_Arctic_cod_in_a_life-history_energy_allocation_model/25349476/1 unknown ASC 2004 - K - Theme session https://ices-library.figshare.com/ICES-ASC-2004/groups https://dx.doi.org/10.17895/ices.pub.25349476 https://ices-library.figshare.com/ICES-ASC-2004/groups ICES Custom Licence https://www.ices.dk/Pages/library_policies.aspx Fisheries and aquaculture Technologies and data The sea and human culture and societies article Other CreativeWork Conference contribution 2024 ftdatacite https://doi.org/10.17895/ices.pub.25349476.v110.17895/ices.pub.25349476 2024-04-02T12:00:32Z No abstracts are to be cited without prior reference to the author.That iteroparous fish reproduce every year after they have become sexually mature is a common assumption in fisheries science. Experimental and field studies suggest, however, that mature fish commonly skip spawning, often but not only in relation with failing food resources. This study presents a life-history model based on optimal energy allocation for the Northeast Arctic cod. Ingested energy can either be allocated to growth or to storage for the next spawning period. This trade-off embodies lifelong patterns of growth, maturation, and reproduction. The allocation decision was optimised based on five individual states: age, length, size of energy stores, month of the year, and the current food availability. The model showed that skipped spawning was partly related to periods of low food intake (there was not sufficient energy to spawn), but that it also played a central role in life-history: spawning should be omitted because of the ... Article in Journal/Newspaper Arctic cod Arctic Northeast Arctic cod DataCite Metadata Store (German National Library of Science and Technology) |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
unknown |
topic |
Fisheries and aquaculture Technologies and data The sea and human culture and societies |
spellingShingle |
Fisheries and aquaculture Technologies and data The sea and human culture and societies Jørgensen, Christian Ernande, Bruno Fiksen, Øyvind Dieckmann, Ulf Skipped spawning is common for the Northeast Arctic cod in a life-history energy allocation model ... |
topic_facet |
Fisheries and aquaculture Technologies and data The sea and human culture and societies |
description |
No abstracts are to be cited without prior reference to the author.That iteroparous fish reproduce every year after they have become sexually mature is a common assumption in fisheries science. Experimental and field studies suggest, however, that mature fish commonly skip spawning, often but not only in relation with failing food resources. This study presents a life-history model based on optimal energy allocation for the Northeast Arctic cod. Ingested energy can either be allocated to growth or to storage for the next spawning period. This trade-off embodies lifelong patterns of growth, maturation, and reproduction. The allocation decision was optimised based on five individual states: age, length, size of energy stores, month of the year, and the current food availability. The model showed that skipped spawning was partly related to periods of low food intake (there was not sufficient energy to spawn), but that it also played a central role in life-history: spawning should be omitted because of the ... |
format |
Article in Journal/Newspaper |
author |
Jørgensen, Christian Ernande, Bruno Fiksen, Øyvind Dieckmann, Ulf |
author_facet |
Jørgensen, Christian Ernande, Bruno Fiksen, Øyvind Dieckmann, Ulf |
author_sort |
Jørgensen, Christian |
title |
Skipped spawning is common for the Northeast Arctic cod in a life-history energy allocation model ... |
title_short |
Skipped spawning is common for the Northeast Arctic cod in a life-history energy allocation model ... |
title_full |
Skipped spawning is common for the Northeast Arctic cod in a life-history energy allocation model ... |
title_fullStr |
Skipped spawning is common for the Northeast Arctic cod in a life-history energy allocation model ... |
title_full_unstemmed |
Skipped spawning is common for the Northeast Arctic cod in a life-history energy allocation model ... |
title_sort |
skipped spawning is common for the northeast arctic cod in a life-history energy allocation model ... |
publisher |
ASC 2004 - K - Theme session |
publishDate |
2024 |
url |
https://dx.doi.org/10.17895/ices.pub.25349476.v1 https://ices-library.figshare.com/articles/conference_contribution/Skipped_spawning_is_common_for_the_Northeast_Arctic_cod_in_a_life-history_energy_allocation_model/25349476/1 |
genre |
Arctic cod Arctic Northeast Arctic cod |
genre_facet |
Arctic cod Arctic Northeast Arctic cod |
op_relation |
https://ices-library.figshare.com/ICES-ASC-2004/groups https://dx.doi.org/10.17895/ices.pub.25349476 https://ices-library.figshare.com/ICES-ASC-2004/groups |
op_rights |
ICES Custom Licence https://www.ices.dk/Pages/library_policies.aspx |
op_doi |
https://doi.org/10.17895/ices.pub.25349476.v110.17895/ices.pub.25349476 |
_version_ |
1797575477871771648 |