Historical variations in the year-class strength of beaked redfish (Sebastes mentella) in the Barents Sea
<qd> Planque, B., Johannesen, E., Drevetnyak, K. V., and Nedreaas, K. H. Historical variations in the year-class strength of beaked redfish ( Sebastes mentella ) in the Barents Sea. – ICES Journal of Marine Science, doi:10.1093/icesjms/fss014. </qd>The present work provides the first qua...
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fthighwire:oai:open-archive.highwire.org:icesjms:fss014v1 2023-05-15T15:38:30+02:00 Historical variations in the year-class strength of beaked redfish (Sebastes mentella) in the Barents Sea Planque, B. Johannesen, E. Drevetnyak, K. V. Nedreaas, K. H. 2012-02-13 01:25:52.0 text/html http://icesjms.oxfordjournals.org/cgi/content/short/fss014v1 https://doi.org/10.1093/icesjms/fss014 en eng Oxford University Press http://icesjms.oxfordjournals.org/cgi/content/short/fss014v1 http://dx.doi.org/10.1093/icesjms/fss014 Copyright (C) 2012, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer Short Communication TEXT 2012 fthighwire https://doi.org/10.1093/icesjms/fss014 2013-05-26T22:47:18Z <qd> Planque, B., Johannesen, E., Drevetnyak, K. V., and Nedreaas, K. H. Historical variations in the year-class strength of beaked redfish ( Sebastes mentella ) in the Barents Sea. – ICES Journal of Marine Science, doi:10.1093/icesjms/fss014. </qd>The present work provides the first quantitative estimate of the historical fluctuations in the year-class strength of beaked redfish in the Barents Sea. The year-class strength index is based on scientific survey data collected by Norway and Russia during the past three decades. It is defined as the effective number of 0-group fish that will eventually enter the fishery. Uncertainties in the year-class strength indices are estimated using a statistical modelling approach, which accounts for observation errors. The reconstructed series indicate clear periods of high recruitment (late 1980s–early 1990s) and 8 years of near complete recruitment failure (1996–2003). The apparent recovery in recent years is highly uncertain and needs to be confirmed by future observations. The modelling approach developed here can be applied to other fish stocks for which catch-at-age data are available from several surveys. Text Barents Sea Sebastes mentella HighWire Press (Stanford University) Barents Sea Norway ICES Journal of Marine Science 69 4 547 552 |
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HighWire Press (Stanford University) |
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fthighwire |
language |
English |
topic |
Short Communication |
spellingShingle |
Short Communication Planque, B. Johannesen, E. Drevetnyak, K. V. Nedreaas, K. H. Historical variations in the year-class strength of beaked redfish (Sebastes mentella) in the Barents Sea |
topic_facet |
Short Communication |
description |
<qd> Planque, B., Johannesen, E., Drevetnyak, K. V., and Nedreaas, K. H. Historical variations in the year-class strength of beaked redfish ( Sebastes mentella ) in the Barents Sea. – ICES Journal of Marine Science, doi:10.1093/icesjms/fss014. </qd>The present work provides the first quantitative estimate of the historical fluctuations in the year-class strength of beaked redfish in the Barents Sea. The year-class strength index is based on scientific survey data collected by Norway and Russia during the past three decades. It is defined as the effective number of 0-group fish that will eventually enter the fishery. Uncertainties in the year-class strength indices are estimated using a statistical modelling approach, which accounts for observation errors. The reconstructed series indicate clear periods of high recruitment (late 1980s–early 1990s) and 8 years of near complete recruitment failure (1996–2003). The apparent recovery in recent years is highly uncertain and needs to be confirmed by future observations. The modelling approach developed here can be applied to other fish stocks for which catch-at-age data are available from several surveys. |
format |
Text |
author |
Planque, B. Johannesen, E. Drevetnyak, K. V. Nedreaas, K. H. |
author_facet |
Planque, B. Johannesen, E. Drevetnyak, K. V. Nedreaas, K. H. |
author_sort |
Planque, B. |
title |
Historical variations in the year-class strength of beaked redfish (Sebastes mentella) in the Barents Sea |
title_short |
Historical variations in the year-class strength of beaked redfish (Sebastes mentella) in the Barents Sea |
title_full |
Historical variations in the year-class strength of beaked redfish (Sebastes mentella) in the Barents Sea |
title_fullStr |
Historical variations in the year-class strength of beaked redfish (Sebastes mentella) in the Barents Sea |
title_full_unstemmed |
Historical variations in the year-class strength of beaked redfish (Sebastes mentella) in the Barents Sea |
title_sort |
historical variations in the year-class strength of beaked redfish (sebastes mentella) in the barents sea |
publisher |
Oxford University Press |
publishDate |
2012 |
url |
http://icesjms.oxfordjournals.org/cgi/content/short/fss014v1 https://doi.org/10.1093/icesjms/fss014 |
geographic |
Barents Sea Norway |
geographic_facet |
Barents Sea Norway |
genre |
Barents Sea Sebastes mentella |
genre_facet |
Barents Sea Sebastes mentella |
op_relation |
http://icesjms.oxfordjournals.org/cgi/content/short/fss014v1 http://dx.doi.org/10.1093/icesjms/fss014 |
op_rights |
Copyright (C) 2012, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer |
op_doi |
https://doi.org/10.1093/icesjms/fss014 |
container_title |
ICES Journal of Marine Science |
container_volume |
69 |
container_issue |
4 |
container_start_page |
547 |
op_container_end_page |
552 |
_version_ |
1766369464605999104 |