Standardized CPUE and size distribution of the shortfin mako shark in the portuguese pelagic longline fishery in the Atlantic
This document provides fishery indicators for the shortfin mako shark captured by the Portuguese pelagic longline fishery in the Atlantic (standardized CPUEs and size distribution). The analysis was based on data collected from fishery observers, port sampling and skippers logbooks (self sampling),...
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ftunivalgarve:oai:sapientia.ualg.pt:10400.1/12613 2023-05-15T17:28:32+02:00 Standardized CPUE and size distribution of the shortfin mako shark in the portuguese pelagic longline fishery in the Atlantic Coelho, Rui Rosa, Daniela Lino, Pedro 2017 http://hdl.handle.net/10400.1/12613 eng eng ICCAT FAPESP/19740/2014 Report of the 2017 ICCAT shortfin mako data preparatory meeting ;SCRS/2017/049 Coelho, R., Rosa, D., Lino, P. G., 2017. Standardized CPUE and size distribution of the shortfin mako shark in the portuguese pelagic longline fishery in the Atlantic. Collect. Vol. Sci. Pap. ICCAT, 74(4): 1579-1600 1021-5212 http://hdl.handle.net/10400.1/12613 openAccess Bycatch Fishery indicators Nominal CPUE Pelagic longline fishery Sharks Size distribution article 2017 ftunivalgarve 2022-05-30T08:48:42Z This document provides fishery indicators for the shortfin mako shark captured by the Portuguese pelagic longline fishery in the Atlantic (standardized CPUEs and size distribution). The analysis was based on data collected from fishery observers, port sampling and skippers logbooks (self sampling), between 1995 and 2015. The mean sizes were compared between years, seasons (quarters), stocks (north and south) and sampling areas. The CPUEs were analyzed for the North Atlantic and compared between years, and were standardized with Tweedie and Delta GLM approaches. In general, there was a large variability in the nominal CPUE trends in the North Atlantic, and the final standardized series was flatter than the nominal. For the size distribution there were no major trends in the time series, with the sizes tending to be larger in the South Atlantic. The data presented in this document can be considered for use in the upcoming 2017 shortfin mako stock assessment, specifically the standardized CPUE for the North Atlantic and the size distribution for both hemispheres. info:eu-repo/semantics/publishedVersion Article in Journal/Newspaper North Atlantic Universidade do Algarve: Sapienta |
institution |
Open Polar |
collection |
Universidade do Algarve: Sapienta |
op_collection_id |
ftunivalgarve |
language |
English |
topic |
Bycatch Fishery indicators Nominal CPUE Pelagic longline fishery Sharks Size distribution |
spellingShingle |
Bycatch Fishery indicators Nominal CPUE Pelagic longline fishery Sharks Size distribution Coelho, Rui Rosa, Daniela Lino, Pedro Standardized CPUE and size distribution of the shortfin mako shark in the portuguese pelagic longline fishery in the Atlantic |
topic_facet |
Bycatch Fishery indicators Nominal CPUE Pelagic longline fishery Sharks Size distribution |
description |
This document provides fishery indicators for the shortfin mako shark captured by the Portuguese pelagic longline fishery in the Atlantic (standardized CPUEs and size distribution). The analysis was based on data collected from fishery observers, port sampling and skippers logbooks (self sampling), between 1995 and 2015. The mean sizes were compared between years, seasons (quarters), stocks (north and south) and sampling areas. The CPUEs were analyzed for the North Atlantic and compared between years, and were standardized with Tweedie and Delta GLM approaches. In general, there was a large variability in the nominal CPUE trends in the North Atlantic, and the final standardized series was flatter than the nominal. For the size distribution there were no major trends in the time series, with the sizes tending to be larger in the South Atlantic. The data presented in this document can be considered for use in the upcoming 2017 shortfin mako stock assessment, specifically the standardized CPUE for the North Atlantic and the size distribution for both hemispheres. info:eu-repo/semantics/publishedVersion |
format |
Article in Journal/Newspaper |
author |
Coelho, Rui Rosa, Daniela Lino, Pedro |
author_facet |
Coelho, Rui Rosa, Daniela Lino, Pedro |
author_sort |
Coelho, Rui |
title |
Standardized CPUE and size distribution of the shortfin mako shark in the portuguese pelagic longline fishery in the Atlantic |
title_short |
Standardized CPUE and size distribution of the shortfin mako shark in the portuguese pelagic longline fishery in the Atlantic |
title_full |
Standardized CPUE and size distribution of the shortfin mako shark in the portuguese pelagic longline fishery in the Atlantic |
title_fullStr |
Standardized CPUE and size distribution of the shortfin mako shark in the portuguese pelagic longline fishery in the Atlantic |
title_full_unstemmed |
Standardized CPUE and size distribution of the shortfin mako shark in the portuguese pelagic longline fishery in the Atlantic |
title_sort |
standardized cpue and size distribution of the shortfin mako shark in the portuguese pelagic longline fishery in the atlantic |
publisher |
ICCAT |
publishDate |
2017 |
url |
http://hdl.handle.net/10400.1/12613 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_relation |
FAPESP/19740/2014 Report of the 2017 ICCAT shortfin mako data preparatory meeting ;SCRS/2017/049 Coelho, R., Rosa, D., Lino, P. G., 2017. Standardized CPUE and size distribution of the shortfin mako shark in the portuguese pelagic longline fishery in the Atlantic. Collect. Vol. Sci. Pap. ICCAT, 74(4): 1579-1600 1021-5212 http://hdl.handle.net/10400.1/12613 |
op_rights |
openAccess |
_version_ |
1766121271365468160 |