Identifying blue whiting (micromesistius poutassou) stock structure in the northeast atlantic by otolith shape analysis
Information on stock identification and spatial stock structure provide a basis for understanding fish population dynamics and improving fisheries management. In this study, otolith shape analysis was used to study the stock structure of blue whiting (Micromesistius poutassou) in the northeast Atlan...
Published in: | Canadian Journal of Fisheries and Aquatic Sciences |
---|---|
Main Authors: | , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | unknown |
Published: |
Canadian Science Publishing
2016
|
Subjects: | |
Online Access: | http://hdl.handle.net/10379/12586 https://doi.org/10.1139/cjfas-2015-0332 |
id |
ftnuigalway:oai:aran.library.nuigalway.ie/:10379/12586 |
---|---|
record_format |
openpolar |
spelling |
ftnuigalway:oai:aran.library.nuigalway.ie/:10379/12586 2023-06-11T04:15:14+02:00 Identifying blue whiting (micromesistius poutassou) stock structure in the northeast atlantic by otolith shape analysis Mahe, Kélig Oudard, Clémence Mille, Tiphaine Keating, James Gonçalves, Patricia Clausen, Lotte Worsoe Petursdottir, Gróa Rasmussen, Helle Meland, Elna Mullins, Eugene Pinnegar, John K. Hoines, Åge Trenkel, Verena M. 2016-09-01 http://hdl.handle.net/10379/12586 https://doi.org/10.1139/cjfas-2015-0332 unknown Canadian Science Publishing Canadian Journal of Fisheries and Aquatic Sciences Mahe, Kélig; Oudard, Clémence; Mille, Tiphaine; Keating, James; Gonçalves, Patricia; Clausen, Lotte Worsoe; Petursdottir, Gróa; Rasmussen, Helle; Meland, Elna; Mullins, Eugene; Pinnegar, John K. Hoines, Åge; Trenkel, Verena M. (2016). Identifying blue whiting (micromesistius poutassou) stock structure in the northeast atlantic by otolith shape analysis. Canadian Journal of Fisheries and Aquatic Sciences 73 (9), 1363-1371 0706-652X,1205-7533 http://hdl.handle.net/10379/12586 doi:10.1139/cjfas-2015-0332 Attribution-NonCommercial-NoDerivs 3.0 Ireland https://creativecommons.org/licenses/by-nc-nd/3.0/ie/ Article 2016 ftnuigalway https://doi.org/10.1139/cjfas-2015-0332 2023-05-28T18:05:37Z Information on stock identification and spatial stock structure provide a basis for understanding fish population dynamics and improving fisheries management. In this study, otolith shape analysis was used to study the stock structure of blue whiting (Micromesistius poutassou) in the northeast Atlantic using 1693 samples from mature fish collected between 37 degrees N and 75 degrees N and 20 degrees W and 25 degrees E. The results indicated two stocks located north and south of ICES Divisions VIa and VIb (54 degrees 5N to 60 degrees 5N, 4 degrees W to 11 degrees W). The central area corresponds to the spawning area west of Scotland. Sampling year effects and misclassification in the linear discriminant analysis suggested exchanges between the northern and southern stocks. The results corroborate previous studies indicating a structuring of the blue whiting stock into two stocks, with some degree of mixing in the central overlap area. Article in Journal/Newspaper Northeast Atlantic National University of Ireland (NUI), Galway: ARAN Canadian Journal of Fisheries and Aquatic Sciences 73 9 1363 1371 |
institution |
Open Polar |
collection |
National University of Ireland (NUI), Galway: ARAN |
op_collection_id |
ftnuigalway |
language |
unknown |
description |
Information on stock identification and spatial stock structure provide a basis for understanding fish population dynamics and improving fisheries management. In this study, otolith shape analysis was used to study the stock structure of blue whiting (Micromesistius poutassou) in the northeast Atlantic using 1693 samples from mature fish collected between 37 degrees N and 75 degrees N and 20 degrees W and 25 degrees E. The results indicated two stocks located north and south of ICES Divisions VIa and VIb (54 degrees 5N to 60 degrees 5N, 4 degrees W to 11 degrees W). The central area corresponds to the spawning area west of Scotland. Sampling year effects and misclassification in the linear discriminant analysis suggested exchanges between the northern and southern stocks. The results corroborate previous studies indicating a structuring of the blue whiting stock into two stocks, with some degree of mixing in the central overlap area. |
format |
Article in Journal/Newspaper |
author |
Mahe, Kélig Oudard, Clémence Mille, Tiphaine Keating, James Gonçalves, Patricia Clausen, Lotte Worsoe Petursdottir, Gróa Rasmussen, Helle Meland, Elna Mullins, Eugene Pinnegar, John K. Hoines, Åge Trenkel, Verena M. |
spellingShingle |
Mahe, Kélig Oudard, Clémence Mille, Tiphaine Keating, James Gonçalves, Patricia Clausen, Lotte Worsoe Petursdottir, Gróa Rasmussen, Helle Meland, Elna Mullins, Eugene Pinnegar, John K. Hoines, Åge Trenkel, Verena M. Identifying blue whiting (micromesistius poutassou) stock structure in the northeast atlantic by otolith shape analysis |
author_facet |
Mahe, Kélig Oudard, Clémence Mille, Tiphaine Keating, James Gonçalves, Patricia Clausen, Lotte Worsoe Petursdottir, Gróa Rasmussen, Helle Meland, Elna Mullins, Eugene Pinnegar, John K. Hoines, Åge Trenkel, Verena M. |
author_sort |
Mahe, Kélig |
title |
Identifying blue whiting (micromesistius poutassou) stock structure in the northeast atlantic by otolith shape analysis |
title_short |
Identifying blue whiting (micromesistius poutassou) stock structure in the northeast atlantic by otolith shape analysis |
title_full |
Identifying blue whiting (micromesistius poutassou) stock structure in the northeast atlantic by otolith shape analysis |
title_fullStr |
Identifying blue whiting (micromesistius poutassou) stock structure in the northeast atlantic by otolith shape analysis |
title_full_unstemmed |
Identifying blue whiting (micromesistius poutassou) stock structure in the northeast atlantic by otolith shape analysis |
title_sort |
identifying blue whiting (micromesistius poutassou) stock structure in the northeast atlantic by otolith shape analysis |
publisher |
Canadian Science Publishing |
publishDate |
2016 |
url |
http://hdl.handle.net/10379/12586 https://doi.org/10.1139/cjfas-2015-0332 |
genre |
Northeast Atlantic |
genre_facet |
Northeast Atlantic |
op_relation |
Canadian Journal of Fisheries and Aquatic Sciences Mahe, Kélig; Oudard, Clémence; Mille, Tiphaine; Keating, James; Gonçalves, Patricia; Clausen, Lotte Worsoe; Petursdottir, Gróa; Rasmussen, Helle; Meland, Elna; Mullins, Eugene; Pinnegar, John K. Hoines, Åge; Trenkel, Verena M. (2016). Identifying blue whiting (micromesistius poutassou) stock structure in the northeast atlantic by otolith shape analysis. Canadian Journal of Fisheries and Aquatic Sciences 73 (9), 1363-1371 0706-652X,1205-7533 http://hdl.handle.net/10379/12586 doi:10.1139/cjfas-2015-0332 |
op_rights |
Attribution-NonCommercial-NoDerivs 3.0 Ireland https://creativecommons.org/licenses/by-nc-nd/3.0/ie/ |
op_doi |
https://doi.org/10.1139/cjfas-2015-0332 |
container_title |
Canadian Journal of Fisheries and Aquatic Sciences |
container_volume |
73 |
container_issue |
9 |
container_start_page |
1363 |
op_container_end_page |
1371 |
_version_ |
1768371889548296192 |