Analysis of juvenile North Atlantic albacore (Thunnus alalunga) catch per unit effort by surface gears in relation to environmental variables
Abstract The relationship between the catch per unit effort (cpue) of trolling and baitboat fisheries targeting juvenile North Atlantic albacore (Thunnus alalunga, Bonnaterre, 1788) and several environmental variables was studied. A multiple linear regression and a generalized least squares model (G...
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Language: | English |
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Oxford University Press (OUP)
2005
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Online Access: | http://dx.doi.org/10.1016/j.icesjms.2005.05.014 http://academic.oup.com/icesjms/article-pdf/62/7/1475/29126008/62-7-1475.pdf |
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croxfordunivpr:10.1016/j.icesjms.2005.05.014 2024-04-07T07:54:19+00:00 Analysis of juvenile North Atlantic albacore (Thunnus alalunga) catch per unit effort by surface gears in relation to environmental variables Goñi, Nicolas Arrizabalaga, Haritz 2005 http://dx.doi.org/10.1016/j.icesjms.2005.05.014 http://academic.oup.com/icesjms/article-pdf/62/7/1475/29126008/62-7-1475.pdf en eng Oxford University Press (OUP) ICES Journal of Marine Science volume 62, issue 7, page 1475-1482 ISSN 1095-9289 1054-3139 Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography journal-article 2005 croxfordunivpr https://doi.org/10.1016/j.icesjms.2005.05.014 2024-03-08T02:55:50Z Abstract The relationship between the catch per unit effort (cpue) of trolling and baitboat fisheries targeting juvenile North Atlantic albacore (Thunnus alalunga, Bonnaterre, 1788) and several environmental variables was studied. A multiple linear regression and a generalized least squares model (GLS) showed a significant negative relationship between age 2 albacore trolling and baitboat cpue, and the average agitation of the sea and the duration of insolation. No clear relationship was found between the juvenile albacore cpue and sea surface temperature, precipitation, and NAO or Gulf Stream Index. Underlying processes that could explain the negative effect of agitation and insolation are discussed, especially relating to the habitat of age 2 albacore above the seasonal thermocline. Results highlight the necessity of considering environmental variables in the standardization of albacore cpue series used for calibrating age-structured stock assessments. Article in Journal/Newspaper North Atlantic Oxford University Press ICES Journal of Marine Science 62 7 1475 1482 |
institution |
Open Polar |
collection |
Oxford University Press |
op_collection_id |
croxfordunivpr |
language |
English |
topic |
Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography |
spellingShingle |
Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography Goñi, Nicolas Arrizabalaga, Haritz Analysis of juvenile North Atlantic albacore (Thunnus alalunga) catch per unit effort by surface gears in relation to environmental variables |
topic_facet |
Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography |
description |
Abstract The relationship between the catch per unit effort (cpue) of trolling and baitboat fisheries targeting juvenile North Atlantic albacore (Thunnus alalunga, Bonnaterre, 1788) and several environmental variables was studied. A multiple linear regression and a generalized least squares model (GLS) showed a significant negative relationship between age 2 albacore trolling and baitboat cpue, and the average agitation of the sea and the duration of insolation. No clear relationship was found between the juvenile albacore cpue and sea surface temperature, precipitation, and NAO or Gulf Stream Index. Underlying processes that could explain the negative effect of agitation and insolation are discussed, especially relating to the habitat of age 2 albacore above the seasonal thermocline. Results highlight the necessity of considering environmental variables in the standardization of albacore cpue series used for calibrating age-structured stock assessments. |
format |
Article in Journal/Newspaper |
author |
Goñi, Nicolas Arrizabalaga, Haritz |
author_facet |
Goñi, Nicolas Arrizabalaga, Haritz |
author_sort |
Goñi, Nicolas |
title |
Analysis of juvenile North Atlantic albacore (Thunnus alalunga) catch per unit effort by surface gears in relation to environmental variables |
title_short |
Analysis of juvenile North Atlantic albacore (Thunnus alalunga) catch per unit effort by surface gears in relation to environmental variables |
title_full |
Analysis of juvenile North Atlantic albacore (Thunnus alalunga) catch per unit effort by surface gears in relation to environmental variables |
title_fullStr |
Analysis of juvenile North Atlantic albacore (Thunnus alalunga) catch per unit effort by surface gears in relation to environmental variables |
title_full_unstemmed |
Analysis of juvenile North Atlantic albacore (Thunnus alalunga) catch per unit effort by surface gears in relation to environmental variables |
title_sort |
analysis of juvenile north atlantic albacore (thunnus alalunga) catch per unit effort by surface gears in relation to environmental variables |
publisher |
Oxford University Press (OUP) |
publishDate |
2005 |
url |
http://dx.doi.org/10.1016/j.icesjms.2005.05.014 http://academic.oup.com/icesjms/article-pdf/62/7/1475/29126008/62-7-1475.pdf |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
ICES Journal of Marine Science volume 62, issue 7, page 1475-1482 ISSN 1095-9289 1054-3139 |
op_doi |
https://doi.org/10.1016/j.icesjms.2005.05.014 |
container_title |
ICES Journal of Marine Science |
container_volume |
62 |
container_issue |
7 |
container_start_page |
1475 |
op_container_end_page |
1482 |
_version_ |
1795670771909001216 |