Relationship Between Atresia, Fish Size And Condition In Icelandic Cod (Gadus Morhua L.) ...
No abstracts are to be cited without prior reference to the author.Cod is a determinate spawner, with a high potential fecundity. That is, a large definite number of oocytes start maturing prior to spawning. Environmental factors, such as water temperature and food availability have strong effects o...
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2024
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ftdatacite:10.17895/ices.pub.25635711.v1 2024-06-09T07:46:05+00:00 Relationship Between Atresia, Fish Size And Condition In Icelandic Cod (Gadus Morhua L.) ... Hardardottir, K. Kjesbu, O.S. Marteinsdottir, G. 2024 https://dx.doi.org/10.17895/ices.pub.25635711.v1 https://ices-library.figshare.com/articles/conference_contribution/Relationship_Between_Atresia_Fish_Size_And_Condition_In_Icelandic_Cod_Gadus_Morhua_L_/25635711/1 unknown ASC 2001 - J - Theme session https://ices-library.figshare.com/ICES-ASC-2001/groups https://dx.doi.org/10.17895/ices.pub.25635711 https://ices-library.figshare.com/ICES-ASC-2001/groups ICES Custom Licence https://www.ices.dk/Pages/library_policies.aspx Ecosystem observation, processes and dynamics Other CreativeWork Conference contribution article 2024 ftdatacite https://doi.org/10.17895/ices.pub.25635711.v110.17895/ices.pub.25635711 2024-05-13T14:08:28Z No abstracts are to be cited without prior reference to the author.Cod is a determinate spawner, with a high potential fecundity. That is, a large definite number of oocytes start maturing prior to spawning. Environmental factors, such as water temperature and food availability have strong effects on nutritional status and fish size. Accumulation of energy prior to spawning is important, as food intake during spawning is minimum. Fecundity is a changeable process that can be adjusted to the condition of the fish. Under favorable circumstances potential fecundity may be equivalent to the number of eggs spawned during the spawning season. When the environmental conditions are unfavorable some or all, developing oocytes included in the potential fecundity estimate may be lost through resorption from the ovary, a process known as atresia. Atresia seems mainly to be initiated under low nutritional status prior to spawning. The relationship between atresia and oocyte diameter is negatively related. As the oocyte ... Conference Object Gadus morhua 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 |
Ecosystem observation, processes and dynamics |
spellingShingle |
Ecosystem observation, processes and dynamics Hardardottir, K. Kjesbu, O.S. Marteinsdottir, G. Relationship Between Atresia, Fish Size And Condition In Icelandic Cod (Gadus Morhua L.) ... |
topic_facet |
Ecosystem observation, processes and dynamics |
description |
No abstracts are to be cited without prior reference to the author.Cod is a determinate spawner, with a high potential fecundity. That is, a large definite number of oocytes start maturing prior to spawning. Environmental factors, such as water temperature and food availability have strong effects on nutritional status and fish size. Accumulation of energy prior to spawning is important, as food intake during spawning is minimum. Fecundity is a changeable process that can be adjusted to the condition of the fish. Under favorable circumstances potential fecundity may be equivalent to the number of eggs spawned during the spawning season. When the environmental conditions are unfavorable some or all, developing oocytes included in the potential fecundity estimate may be lost through resorption from the ovary, a process known as atresia. Atresia seems mainly to be initiated under low nutritional status prior to spawning. The relationship between atresia and oocyte diameter is negatively related. As the oocyte ... |
format |
Conference Object |
author |
Hardardottir, K. Kjesbu, O.S. Marteinsdottir, G. |
author_facet |
Hardardottir, K. Kjesbu, O.S. Marteinsdottir, G. |
author_sort |
Hardardottir, K. |
title |
Relationship Between Atresia, Fish Size And Condition In Icelandic Cod (Gadus Morhua L.) ... |
title_short |
Relationship Between Atresia, Fish Size And Condition In Icelandic Cod (Gadus Morhua L.) ... |
title_full |
Relationship Between Atresia, Fish Size And Condition In Icelandic Cod (Gadus Morhua L.) ... |
title_fullStr |
Relationship Between Atresia, Fish Size And Condition In Icelandic Cod (Gadus Morhua L.) ... |
title_full_unstemmed |
Relationship Between Atresia, Fish Size And Condition In Icelandic Cod (Gadus Morhua L.) ... |
title_sort |
relationship between atresia, fish size and condition in icelandic cod (gadus morhua l.) ... |
publisher |
ASC 2001 - J - Theme session |
publishDate |
2024 |
url |
https://dx.doi.org/10.17895/ices.pub.25635711.v1 https://ices-library.figshare.com/articles/conference_contribution/Relationship_Between_Atresia_Fish_Size_And_Condition_In_Icelandic_Cod_Gadus_Morhua_L_/25635711/1 |
genre |
Gadus morhua |
genre_facet |
Gadus morhua |
op_relation |
https://ices-library.figshare.com/ICES-ASC-2001/groups https://dx.doi.org/10.17895/ices.pub.25635711 https://ices-library.figshare.com/ICES-ASC-2001/groups |
op_rights |
ICES Custom Licence https://www.ices.dk/Pages/library_policies.aspx |
op_doi |
https://doi.org/10.17895/ices.pub.25635711.v110.17895/ices.pub.25635711 |
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1801375826712723456 |