Working Group on Acoustic and Egg Surveys for small pelagic fish in Northeast Atlantic (WGACEGG; outputs from 2024 meeting)

Is supplemented by https://www.ices.dk/community/groups/Pages/WGACEGG.aspx

Detalles Bibliográficos
Autores: Boyra, Guillermo, Canseco, José, Carrera, Pablo, Díaz, Paz, Domínguez-Petit, Rosario, Doray, Mathieu, Duhamel, Erwan, Huret, Martin, Jiménez, Paz, Lago, Anxo, Angélico, Maria Manuel, Moreno, Ana, O'Donnell, Ciaran, Ramos, Fernando, Rodríguez, Silvia, Santos, María, Sobradillo, Beatriz, Kooij, Jeroen van der
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2025
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/394529
Acceso en línea:http://hdl.handle.net/10261/394529
Access Level:acceso abierto
Palabra clave:Acoustic survey
Egg survey
Pelagic survey
Survey methods
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network_name_str España
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dc.title.none.fl_str_mv Working Group on Acoustic and Egg Surveys for small pelagic fish in Northeast Atlantic (WGACEGG; outputs from 2024 meeting)
title Working Group on Acoustic and Egg Surveys for small pelagic fish in Northeast Atlantic (WGACEGG; outputs from 2024 meeting)
spellingShingle Working Group on Acoustic and Egg Surveys for small pelagic fish in Northeast Atlantic (WGACEGG; outputs from 2024 meeting)
Boyra, Guillermo
Acoustic survey
Egg survey
Pelagic survey
Survey methods
title_short Working Group on Acoustic and Egg Surveys for small pelagic fish in Northeast Atlantic (WGACEGG; outputs from 2024 meeting)
title_full Working Group on Acoustic and Egg Surveys for small pelagic fish in Northeast Atlantic (WGACEGG; outputs from 2024 meeting)
title_fullStr Working Group on Acoustic and Egg Surveys for small pelagic fish in Northeast Atlantic (WGACEGG; outputs from 2024 meeting)
title_full_unstemmed Working Group on Acoustic and Egg Surveys for small pelagic fish in Northeast Atlantic (WGACEGG; outputs from 2024 meeting)
title_sort Working Group on Acoustic and Egg Surveys for small pelagic fish in Northeast Atlantic (WGACEGG; outputs from 2024 meeting)
dc.creator.none.fl_str_mv Boyra, Guillermo
Canseco, José
Carrera, Pablo
Díaz, Paz
Domínguez-Petit, Rosario
Doray, Mathieu
Duhamel, Erwan
Huret, Martin
Jiménez, Paz
Lago, Anxo
Angélico, Maria Manuel
Moreno, Ana
O'Donnell, Ciaran
Ramos, Fernando
Rodríguez, Silvia
Santos, María
Sobradillo, Beatriz
Kooij, Jeroen van der
author Boyra, Guillermo
author_facet Boyra, Guillermo
Canseco, José
Carrera, Pablo
Díaz, Paz
Domínguez-Petit, Rosario
Doray, Mathieu
Duhamel, Erwan
Huret, Martin
Jiménez, Paz
Lago, Anxo
Angélico, Maria Manuel
Moreno, Ana
O'Donnell, Ciaran
Ramos, Fernando
Rodríguez, Silvia
Santos, María
Sobradillo, Beatriz
Kooij, Jeroen van der
author_role author
author2 Canseco, José
Carrera, Pablo
Díaz, Paz
Domínguez-Petit, Rosario
Doray, Mathieu
Duhamel, Erwan
Huret, Martin
Jiménez, Paz
Lago, Anxo
Angélico, Maria Manuel
Moreno, Ana
O'Donnell, Ciaran
Ramos, Fernando
Rodríguez, Silvia
Santos, María
Sobradillo, Beatriz
Kooij, Jeroen van der
author2_role author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Domínguez-Petit, Rosario [0000-0003-1731-6848]
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Acoustic survey
Egg survey
Pelagic survey
Survey methods
topic Acoustic survey
Egg survey
Pelagic survey
Survey methods
description Is supplemented by https://www.ices.dk/community/groups/Pages/WGACEGG.aspx
publishDate 2025
dc.date.none.fl_str_mv 2025
2025
2025
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/394529
url http://hdl.handle.net/10261/394529
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Centro Oceanográfico de Vigo, (COV)
Centro Oceanográfico de Cádiz, (COCAD)
ICES Scientific Reports
7
http://dx.doi.org/10.17895/ices.pub.29070443
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv International Council for the Exploration of the Sea
publisher.none.fl_str_mv International Council for the Exploration of the Sea
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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spelling Working Group on Acoustic and Egg Surveys for small pelagic fish in Northeast Atlantic (WGACEGG; outputs from 2024 meeting)Boyra, GuillermoCanseco, JoséCarrera, PabloDíaz, PazDomínguez-Petit, RosarioDoray, MathieuDuhamel, ErwanHuret, MartinJiménez, PazLago, AnxoAngélico, Maria ManuelMoreno, AnaO'Donnell, CiaranRamos, FernandoRodríguez, SilviaSantos, MaríaSobradillo, BeatrizKooij, Jeroen van derAcoustic surveyEgg surveyPelagic surveySurvey methodsIs supplemented by https://www.ices.dk/community/groups/Pages/WGACEGG.aspxWorking Group on Acoustic and Egg Surveys for small pelagic fish in NE Atlantic (WGACEGG) coordinates pelagic surveys for a number of stocks and provides monitoring for the two major sardine and anchovy stocks in ICES areas 7, 8, and 9. ​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​WGACEGG coordinates surveys, methods, and processing of data in order to provide indices suitable for the Data Collection Framework (DCF) and ecosystem indicators for the Marine Strategy Framework Directive (MSFD). The group also provides a range of ecosystem indicators and common regional databases and maps. The area covered by the group encompasses the continental shelves from Gibraltar to the UK. Since the first meeting in 2005, the methods employed by the group have progressed significantly through standardization of survey strategies, intercalibrations and special operations, confrontation of results, and producing common maps from spring and autumn surveys. Since 2007, WGACEGG's biennial meeting has been held jointly with MEDIAS, a similar Mediterranean group, to coordinate pelagic acoustic surveys and data analysis methods in the Mediterranean Sea. WGACEGG's activities ensure the provision and the quality of the data provided to ICES advisory groups in charge of the assessment of anchovy, sardine, blue whiting, Atlantic and horse mackerels and boarfish in the North Eastern Atlantic.CIEM: Conseil International pour L'Exploration de la Mer.ICES. 2025. Working Group on Acoustic and Egg Surveys for small pelagic fish in Northeast Atlantic (WGACEGG; outputs from 2024 meeting).WGACEGG coordinates acoustic and egg surveys of several pelagic stocks in the Celtic Seas, Bay of Biscay and Iberian coast (ICES areas 6-9). Results from the surveys were discussed with members of WGHANSA and methods were considered reliable. The biomass of anchovy was low in area 7 of the Celtic Seas, high in the Bay of Biscay (area 8) and of medium biomass in the Iberian coast (area 9). In areas 7-9, the biomass estimates of sardine were relatively high, while the biomasses of horse mackerel and mackerel were generally low. Sprat biomass decreased in area 8 and increased in the English Channel (ICES divisions 7de). The biomass of boarfish stocks were reported to be intermediate in areas 6 and 7, while the biomass of her-ring in the Celtic Seas requires further investigation. Methods were investigated across a range of case-studies including an investigation of poten-tial bias through a comparison of indices from acoustic and Daily Egg Production Method (DEPM) methods for anchovy and sardine in area 8, the Bay of Biscay. No sign of bias was found in 2024 acoustic and egg indices. The suitability of Continuous Underway Fish Egg Sampler (CUFES) sampling data for anchovy and sardine egg production estimates in areas 8 and 9 was assessed using the approach developed by Ifremer. Additional studies considered methods to correct distortion in multibeam sonar data, ways to reduce the uncertainty in echo trace classifiers and the use of a glider with a surface drone for acoustic monitoring. Target strength estimation of Atlantic bluefin tuna, anchovy and sardine were investigated. Ecological studies addressed the spatio-temporal variability in anchovy and sardine eggs within the Bay of Biscay and English Channel and the seasonal and interannual dynamics of common dolphin energy seascapes, based on epipelagic prey distribution in the Bay of Biscay. The group updated gridded maps in ICES areas 6-9 for both biological and environmental variables and developed spatio-temporal models of the estimated biomass distribution of sardine and anchovy in the Bay of Biscay. The database of the gridded data-product will be published in a public repository during 2025. A planned workshop discussing the use of im-age recognition techniques to characterise the distribution of mesozooplankton communities was delayed to 2025. The ICES Techniques in Marine Environmental Sciences reporting on DEPM surveys series will be published in early 2025.Peer reviewedInternational Council for the Exploration of the SeaDomínguez-Petit, Rosario [0000-0003-1731-6848]Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202520252025info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://hdl.handle.net/10261/394529reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)InglésCentro Oceanográfico de Vigo, (COV)Centro Oceanográfico de Cádiz, (COCAD)ICES Scientific Reports7http://dx.doi.org/10.17895/ices.pub.29070443Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3945292026-05-22T06:33:51Z
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