Results on Blue Whiting Spanish Discard Sampling Programme
Quarterly discards per ICES Divisions estimates for the Spanish bottom otter trawl fleet fishing in the Northeast Atlantic ICES Subareas VI, VII, VIII and IX are presented for blue whiting (Micromesistius poutassou). Information was obtained by observers on board under DCF discard sampling program c...
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ftcsic:oai:digital.csic.es:10261/328527 2024-02-11T10:06:29+01:00 Results on Blue Whiting Spanish Discard Sampling Programme Pérez-Contreras, María Nélida Araujo-Fernández, M.H. (María Hortensia) Meijide-Cameselle, M. (Manuel) Atlantic Ocean Copenhaguen (Denmark) North Atlantic Northeast Atlantic 2014-08-27 http://hdl.handle.net/10508/2068 http://hdl.handle.net/10261/328527 en eng Centro Oceanográfico de Vigo Working Group on Widely Distributed Stocks (WGWIDE). (26/08/2014 - 01/09/2014. Copenhague (Dinamarca)). 2014. - http://hdl.handle.net/10508/2068 http://hdl.handle.net/10261/328527 20035 open Pesquerías Centro Oceanográfico de Vigo Blue whiting Discards Northeast Atlantic waters documento de trabajo http://purl.org/coar/resource_type/c_8042 2014 ftcsic 2024-01-16T11:49:23Z Quarterly discards per ICES Divisions estimates for the Spanish bottom otter trawl fleet fishing in the Northeast Atlantic ICES Subareas VI, VII, VIII and IX are presented for blue whiting (Micromesistius poutassou). Information was obtained by observers on board under DCF discard sampling program carried out by the Spanish research institute IEO. Raising based on effort (number of trips) was used to estimate total quarterly discards in weight and number for the most important fleets of Bottom Otter Trawlers. Discards age distributions are also presented. Discards are highly variable throughout the series, both in weight and in number ranging from 680 to 6 800 tonnes per quarter and from 1 to 68 million fish. 100% catches are discarded in Sub-areas VI-VII. The highest discards weights are in Divisions VIIj and VIIIc. There is no clear seasonal pattern of discard, but there are generally higher discard in the second quarter, although there are years with high values in others periods. Age distributions of blue whiting discards in Divisions VIIIc and IXaN show that most of the individuals are juveniles (ages 0 to 3), however older than are also discarded. Report North Atlantic Northeast Atlantic Digital.CSIC (Spanish National Research Council) |
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Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
English |
topic |
Pesquerías Centro Oceanográfico de Vigo Blue whiting Discards Northeast Atlantic waters |
spellingShingle |
Pesquerías Centro Oceanográfico de Vigo Blue whiting Discards Northeast Atlantic waters Pérez-Contreras, María Nélida Results on Blue Whiting Spanish Discard Sampling Programme |
topic_facet |
Pesquerías Centro Oceanográfico de Vigo Blue whiting Discards Northeast Atlantic waters |
description |
Quarterly discards per ICES Divisions estimates for the Spanish bottom otter trawl fleet fishing in the Northeast Atlantic ICES Subareas VI, VII, VIII and IX are presented for blue whiting (Micromesistius poutassou). Information was obtained by observers on board under DCF discard sampling program carried out by the Spanish research institute IEO. Raising based on effort (number of trips) was used to estimate total quarterly discards in weight and number for the most important fleets of Bottom Otter Trawlers. Discards age distributions are also presented. Discards are highly variable throughout the series, both in weight and in number ranging from 680 to 6 800 tonnes per quarter and from 1 to 68 million fish. 100% catches are discarded in Sub-areas VI-VII. The highest discards weights are in Divisions VIIj and VIIIc. There is no clear seasonal pattern of discard, but there are generally higher discard in the second quarter, although there are years with high values in others periods. Age distributions of blue whiting discards in Divisions VIIIc and IXaN show that most of the individuals are juveniles (ages 0 to 3), however older than are also discarded. |
author2 |
Araujo-Fernández, M.H. (María Hortensia) Meijide-Cameselle, M. (Manuel) |
format |
Report |
author |
Pérez-Contreras, María Nélida |
author_facet |
Pérez-Contreras, María Nélida |
author_sort |
Pérez-Contreras, María Nélida |
title |
Results on Blue Whiting Spanish Discard Sampling Programme |
title_short |
Results on Blue Whiting Spanish Discard Sampling Programme |
title_full |
Results on Blue Whiting Spanish Discard Sampling Programme |
title_fullStr |
Results on Blue Whiting Spanish Discard Sampling Programme |
title_full_unstemmed |
Results on Blue Whiting Spanish Discard Sampling Programme |
title_sort |
results on blue whiting spanish discard sampling programme |
publishDate |
2014 |
url |
http://hdl.handle.net/10508/2068 http://hdl.handle.net/10261/328527 |
op_coverage |
Atlantic Ocean Copenhaguen (Denmark) North Atlantic Northeast Atlantic |
genre |
North Atlantic Northeast Atlantic |
genre_facet |
North Atlantic Northeast Atlantic |
op_relation |
Centro Oceanográfico de Vigo Working Group on Widely Distributed Stocks (WGWIDE). (26/08/2014 - 01/09/2014. Copenhague (Dinamarca)). 2014. - http://hdl.handle.net/10508/2068 http://hdl.handle.net/10261/328527 20035 |
op_rights |
open |
_version_ |
1790604230648659968 |