Reproduction Of Eastern Baltic Cod ( Gadus Morhua Callarias L.) And Formation Of Annual Growth Zones On The Otoliths In 90s ...
No abstracts are to be cited without prior reference to the author.We have analysed research trawl data and commercial trawl and gillnet data of 1993-1998 to identify the changes in maturation of cod, spawning time, dynamic of cod weight during the year and formation of annual growth zones on the co...
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ftdatacite:10.17895/ices.pub.25637637.v1 2024-06-09T07:46:05+00:00 Reproduction Of Eastern Baltic Cod ( Gadus Morhua Callarias L.) And Formation Of Annual Growth Zones On The Otoliths In 90s ... Baranova, T. Shics, I. 2024 https://dx.doi.org/10.17895/ices.pub.25637637.v1 https://ices-library.figshare.com/articles/conference_contribution/Reproduction_Of_Eastern_Baltic_Cod_Gadus_Morhua_Callarias_L_And_Formation_Of_Annual_Growth_Zones_On_The_Otoliths_In_90s/25637637/1 unknown ASC 1999 https://ices-library.figshare.com/ICES-ASC-1999/groups https://dx.doi.org/10.17895/ices.pub.25637637 https://ices-library.figshare.com/ICES-ASC-1999/groups ICES Custom Licence https://www.ices.dk/Pages/library_policies.aspx Fisheries and aquaculture Other CreativeWork Conference contribution article 2024 ftdatacite https://doi.org/10.17895/ices.pub.25637637.v110.17895/ices.pub.25637637 2024-05-13T13:31:03Z No abstracts are to be cited without prior reference to the author.We have analysed research trawl data and commercial trawl and gillnet data of 1993-1998 to identify the changes in maturation of cod, spawning time, dynamic of cod weight during the year and formation of annual growth zones on the cod otoliths in comparison with long-term data. In 1993-1998 due to slow cod maturation and late spawning fishes with different stages of gonad maturity (II-VI, by VI stages scale) were observed the whole year round in Eastern Baltic. In III and IV quarters of 1995-1996 share of post-spawning (spent) cod in SD 26 and 28 in commercial gillnets and trawl catches was 30-50%, in 1997-1998 - only 20%. The prolongation of time of cod maturation and spawning caused the changes in dynamics of cod weight during the year. The high share of post-spawning (spent) cod in the second half of the year determines the decrease of mean weight-at-age in III-IV quarters practically in all age groups older than 4. In the last years time ... 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 |
Fisheries and aquaculture |
spellingShingle |
Fisheries and aquaculture Baranova, T. Shics, I. Reproduction Of Eastern Baltic Cod ( Gadus Morhua Callarias L.) And Formation Of Annual Growth Zones On The Otoliths In 90s ... |
topic_facet |
Fisheries and aquaculture |
description |
No abstracts are to be cited without prior reference to the author.We have analysed research trawl data and commercial trawl and gillnet data of 1993-1998 to identify the changes in maturation of cod, spawning time, dynamic of cod weight during the year and formation of annual growth zones on the cod otoliths in comparison with long-term data. In 1993-1998 due to slow cod maturation and late spawning fishes with different stages of gonad maturity (II-VI, by VI stages scale) were observed the whole year round in Eastern Baltic. In III and IV quarters of 1995-1996 share of post-spawning (spent) cod in SD 26 and 28 in commercial gillnets and trawl catches was 30-50%, in 1997-1998 - only 20%. The prolongation of time of cod maturation and spawning caused the changes in dynamics of cod weight during the year. The high share of post-spawning (spent) cod in the second half of the year determines the decrease of mean weight-at-age in III-IV quarters practically in all age groups older than 4. In the last years time ... |
format |
Conference Object |
author |
Baranova, T. Shics, I. |
author_facet |
Baranova, T. Shics, I. |
author_sort |
Baranova, T. |
title |
Reproduction Of Eastern Baltic Cod ( Gadus Morhua Callarias L.) And Formation Of Annual Growth Zones On The Otoliths In 90s ... |
title_short |
Reproduction Of Eastern Baltic Cod ( Gadus Morhua Callarias L.) And Formation Of Annual Growth Zones On The Otoliths In 90s ... |
title_full |
Reproduction Of Eastern Baltic Cod ( Gadus Morhua Callarias L.) And Formation Of Annual Growth Zones On The Otoliths In 90s ... |
title_fullStr |
Reproduction Of Eastern Baltic Cod ( Gadus Morhua Callarias L.) And Formation Of Annual Growth Zones On The Otoliths In 90s ... |
title_full_unstemmed |
Reproduction Of Eastern Baltic Cod ( Gadus Morhua Callarias L.) And Formation Of Annual Growth Zones On The Otoliths In 90s ... |
title_sort |
reproduction of eastern baltic cod ( gadus morhua callarias l.) and formation of annual growth zones on the otoliths in 90s ... |
publisher |
ASC 1999 |
publishDate |
2024 |
url |
https://dx.doi.org/10.17895/ices.pub.25637637.v1 https://ices-library.figshare.com/articles/conference_contribution/Reproduction_Of_Eastern_Baltic_Cod_Gadus_Morhua_Callarias_L_And_Formation_Of_Annual_Growth_Zones_On_The_Otoliths_In_90s/25637637/1 |
genre |
Gadus morhua |
genre_facet |
Gadus morhua |
op_relation |
https://ices-library.figshare.com/ICES-ASC-1999/groups https://dx.doi.org/10.17895/ices.pub.25637637 https://ices-library.figshare.com/ICES-ASC-1999/groups |
op_rights |
ICES Custom Licence https://www.ices.dk/Pages/library_policies.aspx |
op_doi |
https://doi.org/10.17895/ices.pub.25637637.v110.17895/ices.pub.25637637 |
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1801375830855647232 |