Some sources of variation in the assessment when introducing unaccounted mortality due to discarding practices. The case of Southern Four spot megrim stock ...
No abstracts are to be cited without prior reference to the author.Four spot megrim (Lepidorhombus boscii) is widely distributed in Atlantic waters form Iceland to Cape Bojador. In ICES Divisions VIIIc and IXa, Portuguese and Spanish ships captured this species as by-catch mainly in mixed bottom tra...
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ASC 2002 - V - Theme session
2024
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Online Access: | https://dx.doi.org/10.17895/ices.pub.25443481 https://ices-library.figshare.com/articles/conference_contribution/Some_sources_of_variation_in_the_assessment_when_introducing_unaccounted_mortality_due_to_discarding_practices_The_case_of_Southern_Four_spot_megrim_stock/25443481 |
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ftdatacite:10.17895/ices.pub.25443481 2024-04-28T08:25:55+00:00 Some sources of variation in the assessment when introducing unaccounted mortality due to discarding practices. The case of Southern Four spot megrim stock ... Lema, Laura Pérez, Nélida Duarte, Rafael Lucio, Paulino 2024 https://dx.doi.org/10.17895/ices.pub.25443481 https://ices-library.figshare.com/articles/conference_contribution/Some_sources_of_variation_in_the_assessment_when_introducing_unaccounted_mortality_due_to_discarding_practices_The_case_of_Southern_Four_spot_megrim_stock/25443481 unknown ASC 2002 - V - Theme session https://ices-library.figshare.com/ICES-ASC-2002/groups ICES Custom Licence https://www.ices.dk/Pages/library_policies.aspx Fisheries and aquaculture article Other CreativeWork Conference contribution 2024 ftdatacite https://doi.org/10.17895/ices.pub.25443481 2024-04-02T12:00:32Z No abstracts are to be cited without prior reference to the author.Four spot megrim (Lepidorhombus boscii) is widely distributed in Atlantic waters form Iceland to Cape Bojador. In ICES Divisions VIIIc and IXa, Portuguese and Spanish ships captured this species as by-catch mainly in mixed bottom trawl fisheries. Only one exploitation unit of this species is assessed (from Divisions VIIIc and IXa) in the ICES Working Group of Hake, Monk and Megrim. Discard data are not used in the assessment of this species, though they are considered significantly high for younger ages. Discards data are available for Spanish trawlers for 1993, 1994, 1997, and the period from 1999 to 2001. A simulation using discard data was made to avoid the underestimation of mortality and recruitment. Due to the change in January 1990 in the minimum legal size for this species in this area, it was decided not to use historical information previous to this year, as it is supposed that this change could substantially affect the fleet ... Article in Journal/Newspaper Iceland 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 Lema, Laura Pérez, Nélida Duarte, Rafael Lucio, Paulino Some sources of variation in the assessment when introducing unaccounted mortality due to discarding practices. The case of Southern Four spot megrim stock ... |
topic_facet |
Fisheries and aquaculture |
description |
No abstracts are to be cited without prior reference to the author.Four spot megrim (Lepidorhombus boscii) is widely distributed in Atlantic waters form Iceland to Cape Bojador. In ICES Divisions VIIIc and IXa, Portuguese and Spanish ships captured this species as by-catch mainly in mixed bottom trawl fisheries. Only one exploitation unit of this species is assessed (from Divisions VIIIc and IXa) in the ICES Working Group of Hake, Monk and Megrim. Discard data are not used in the assessment of this species, though they are considered significantly high for younger ages. Discards data are available for Spanish trawlers for 1993, 1994, 1997, and the period from 1999 to 2001. A simulation using discard data was made to avoid the underestimation of mortality and recruitment. Due to the change in January 1990 in the minimum legal size for this species in this area, it was decided not to use historical information previous to this year, as it is supposed that this change could substantially affect the fleet ... |
format |
Article in Journal/Newspaper |
author |
Lema, Laura Pérez, Nélida Duarte, Rafael Lucio, Paulino |
author_facet |
Lema, Laura Pérez, Nélida Duarte, Rafael Lucio, Paulino |
author_sort |
Lema, Laura |
title |
Some sources of variation in the assessment when introducing unaccounted mortality due to discarding practices. The case of Southern Four spot megrim stock ... |
title_short |
Some sources of variation in the assessment when introducing unaccounted mortality due to discarding practices. The case of Southern Four spot megrim stock ... |
title_full |
Some sources of variation in the assessment when introducing unaccounted mortality due to discarding practices. The case of Southern Four spot megrim stock ... |
title_fullStr |
Some sources of variation in the assessment when introducing unaccounted mortality due to discarding practices. The case of Southern Four spot megrim stock ... |
title_full_unstemmed |
Some sources of variation in the assessment when introducing unaccounted mortality due to discarding practices. The case of Southern Four spot megrim stock ... |
title_sort |
some sources of variation in the assessment when introducing unaccounted mortality due to discarding practices. the case of southern four spot megrim stock ... |
publisher |
ASC 2002 - V - Theme session |
publishDate |
2024 |
url |
https://dx.doi.org/10.17895/ices.pub.25443481 https://ices-library.figshare.com/articles/conference_contribution/Some_sources_of_variation_in_the_assessment_when_introducing_unaccounted_mortality_due_to_discarding_practices_The_case_of_Southern_Four_spot_megrim_stock/25443481 |
genre |
Iceland |
genre_facet |
Iceland |
op_relation |
https://ices-library.figshare.com/ICES-ASC-2002/groups |
op_rights |
ICES Custom Licence https://www.ices.dk/Pages/library_policies.aspx |
op_doi |
https://doi.org/10.17895/ices.pub.25443481 |
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1797585553315594240 |