Working Group on Biological Parameters (WGBIOP)

Karen Bekaert, Ângela Canha, Guðrún Finnbogadóttir, Ana Maria Costa, Maria Cristina Follesa, Mandy Gault, Annelie Hilvarsson, Karin Hüssy, Maria Korta, Maria Krüger-Johnsen, Uwe Krumme, Jorge Landa, Adam M Lejk, Kélig Mahe, David Maxwell, Helen McCormick, Zuzanna Mirny, Cristina Nunes, Konstantina Ofridopoulou, Carmen Gloria Piñeiro & 17 others Carlos Pinto, Tiit Raid, Jari Raitaniemi, Alfonso Perez Rodriguez, Argyris Sapoundis, Carine Sauger, Joanne Smith, Eduardo Soares, Christoph Stransky, Els Torreele, Pedro Maireles-Torres, Jens Ulleweit, Valerio Visconti, Francesca Vitale, Dace Zilniece, Ruadhan Gillespie Mules, Patricia Gonçalves

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Abstract

The ICES Working Group on Biological Parameters (WGBIOP) general aim is to review the status of current issues and developments associated with biological parameters, supporting the Data Collection Framework and end user (stock assessment) requirements.
WGBIOP continued the work of reviewing past exchanges and workshops for age and maturity organised under the remits of WGBIOP and in line with their above-mentioned aim. The focus was on the stocks to be benchmarked in the coming years and available issue lists used to identify any problems to be addressed. Steps for implementing the output from exchanges and work-shops into the stock assessment models in the form of age error matrices (AEM’s), which are now a standard output in the SmartDots reports, were outlined. SmartDots is an age reading platform that facilitates age readings based on otolith images. The most effective way to investigate this process would be during the benchmark process. The continued efforts to streamline the work-flow of WGBIOP with the benchmark process has not developed any further since the group met in 2018 and will be addressed with the Advisory Committee (ACOM) and the Planning Group on Data Needs for Assessment and Advice (PGDATA) in 2020. Continued investigations into possible new life history parameters for modern assessment included the development of a de-liverable stomach sampling and contents analysis action plan.
The need for age validation studies was again highly stressed by the repeated low levels of poor agreement between age readers of some stocks with lack of resources identified as the main ob-stacle. During the scientific session on ‘Age and Maturity Validation Studies’ several experi-ment/studies were presented and discussed, mostly in light of their applicability and in 2020 a list of prioritised stocks to be validated will be finalised. WGBIOP also developed a workplan for the ICES Handbook on maturity staging of marine species.
With respect to standardisation of quality assurance procedures at a regional level, the guidelines for age and maturity workshops and exchanges underwent a major review in line with SmartDots development. Suggestions for an improved calculation of modal age were presented and an updated ICES code for otolith reading quality grading was adopted by the group. Efforts will continue to streamline the data and work flow across the Regional Coordination Groups (RCGs), the Working Group on SmartDots Governance (WGSMART) and other relevant groups.
Original languageEnglish
PublisherInternational Council for the Exploration of the Sea (ICES)
Number of pages94
DOIs
Publication statusPublished - 2019
SeriesICES Scientific Report
Number85
Volume1
ISSN2618-1371

Cite this

Bekaert, K., Canha, Â., Finnbogadóttir, G., Costa, A. M., Follesa, M. C., Gault, M., ... Gonçalves, P. (2019). Working Group on Biological Parameters (WGBIOP). International Council for the Exploration of the Sea (ICES). ICES Scientific Report, No. 85, Vol.. 1 https://doi.org/10.17895/ices.pub.5682
Bekaert, Karen ; Canha, Ângela ; Finnbogadóttir, Guðrún ; Costa, Ana Maria ; Follesa, Maria Cristina ; Gault, Mandy ; Hilvarsson, Annelie ; Hüssy, Karin ; Korta, Maria ; Krüger-Johnsen, Maria ; Krumme, Uwe ; Landa, Jorge ; Lejk, Adam M ; Mahe, Kélig ; Maxwell, David ; McCormick, Helen ; Mirny, Zuzanna ; Nunes, Cristina ; Ofridopoulou, Konstantina ; Piñeiro, Carmen Gloria ; Pinto, Carlos ; Raid, Tiit ; Raitaniemi, Jari ; Rodriguez, Alfonso Perez ; Sapoundis, Argyris ; Sauger, Carine ; Smith, Joanne ; Soares, Eduardo ; Stransky, Christoph ; Torreele, Els ; Maireles-Torres, Pedro ; Ulleweit, Jens ; Visconti, Valerio ; Vitale, Francesca ; Zilniece, Dace ; Mules, Ruadhan Gillespie ; Gonçalves, Patricia. / Working Group on Biological Parameters (WGBIOP). International Council for the Exploration of the Sea (ICES), 2019. 94 p. (ICES Scientific Report; No. 85, Vol. 1).
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author = "Karen Bekaert and {\^A}ngela Canha and Gu{\dh}r{\'u}n Finnbogad{\'o}ttir and Costa, {Ana Maria} and Follesa, {Maria Cristina} and Mandy Gault and Annelie Hilvarsson and Karin H{\"u}ssy and Maria Korta and Maria Kr{\"u}ger-Johnsen and Uwe Krumme and Jorge Landa and Lejk, {Adam M} and K{\'e}lig Mahe and David Maxwell and Helen McCormick and Zuzanna Mirny and Cristina Nunes and Konstantina Ofridopoulou and Pi{\~n}eiro, {Carmen Gloria} and Carlos Pinto and Tiit Raid and Jari Raitaniemi and Rodriguez, {Alfonso Perez} and Argyris Sapoundis and Carine Sauger and Joanne Smith and Eduardo Soares and Christoph Stransky and Els Torreele and Pedro Maireles-Torres and Jens Ulleweit and Valerio Visconti and Francesca Vitale and Dace Zilniece and Mules, {Ruadhan Gillespie} and Patricia Gon{\cc}alves",
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Bekaert, K, Canha, Â, Finnbogadóttir, G, Costa, AM, Follesa, MC, Gault, M, Hilvarsson, A, Hüssy, K, Korta, M, Krüger-Johnsen, M, Krumme, U, Landa, J, Lejk, AM, Mahe, K, Maxwell, D, McCormick, H, Mirny, Z, Nunes, C, Ofridopoulou, K, Piñeiro, CG, Pinto, C, Raid, T, Raitaniemi, J, Rodriguez, AP, Sapoundis, A, Sauger, C, Smith, J, Soares, E, Stransky, C, Torreele, E, Maireles-Torres, P, Ulleweit, J, Visconti, V, Vitale, F, Zilniece, D, Mules, RG & Gonçalves, P 2019, Working Group on Biological Parameters (WGBIOP). ICES Scientific Report, no. 85, vol. 1, International Council for the Exploration of the Sea (ICES). https://doi.org/10.17895/ices.pub.5682

Working Group on Biological Parameters (WGBIOP). / Bekaert, Karen; Canha, Ângela; Finnbogadóttir, Guðrún; Costa, Ana Maria; Follesa, Maria Cristina; Gault, Mandy; Hilvarsson, Annelie; Hüssy, Karin; Korta, Maria; Krüger-Johnsen, Maria; Krumme, Uwe; Landa, Jorge; Lejk, Adam M; Mahe, Kélig; Maxwell, David; McCormick, Helen; Mirny, Zuzanna; Nunes, Cristina; Ofridopoulou, Konstantina; Piñeiro, Carmen Gloria; Pinto, Carlos; Raid, Tiit; Raitaniemi, Jari; Rodriguez, Alfonso Perez; Sapoundis, Argyris; Sauger, Carine; Smith, Joanne; Soares, Eduardo; Stransky, Christoph; Torreele, Els; Maireles-Torres, Pedro; Ulleweit, Jens; Visconti, Valerio; Vitale, Francesca; Zilniece, Dace; Mules, Ruadhan Gillespie; Gonçalves, Patricia.

International Council for the Exploration of the Sea (ICES), 2019. 94 p. (ICES Scientific Report; No. 85, Vol. 1).

Research output: Book/ReportReport

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AU - Bekaert, Karen

AU - Canha, Ângela

AU - Finnbogadóttir, Guðrún

AU - Costa, Ana Maria

AU - Follesa, Maria Cristina

AU - Gault, Mandy

AU - Hilvarsson, Annelie

AU - Hüssy, Karin

AU - Korta, Maria

AU - Krüger-Johnsen, Maria

AU - Krumme, Uwe

AU - Landa, Jorge

AU - Lejk, Adam M

AU - Mahe, Kélig

AU - Maxwell, David

AU - McCormick, Helen

AU - Mirny, Zuzanna

AU - Nunes, Cristina

AU - Ofridopoulou, Konstantina

AU - Piñeiro, Carmen Gloria

AU - Pinto, Carlos

AU - Raid, Tiit

AU - Raitaniemi, Jari

AU - Rodriguez, Alfonso Perez

AU - Sapoundis, Argyris

AU - Sauger, Carine

AU - Smith, Joanne

AU - Soares, Eduardo

AU - Stransky, Christoph

AU - Torreele, Els

AU - Maireles-Torres, Pedro

AU - Ulleweit, Jens

AU - Visconti, Valerio

AU - Vitale, Francesca

AU - Zilniece, Dace

AU - Mules, Ruadhan Gillespie

AU - Gonçalves, Patricia

PY - 2019

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N2 - The ICES Working Group on Biological Parameters (WGBIOP) general aim is to review the status of current issues and developments associated with biological parameters, supporting the Data Collection Framework and end user (stock assessment) requirements.WGBIOP continued the work of reviewing past exchanges and workshops for age and maturity organised under the remits of WGBIOP and in line with their above-mentioned aim. The focus was on the stocks to be benchmarked in the coming years and available issue lists used to identify any problems to be addressed. Steps for implementing the output from exchanges and work-shops into the stock assessment models in the form of age error matrices (AEM’s), which are now a standard output in the SmartDots reports, were outlined. SmartDots is an age reading platform that facilitates age readings based on otolith images. The most effective way to investigate this process would be during the benchmark process. The continued efforts to streamline the work-flow of WGBIOP with the benchmark process has not developed any further since the group met in 2018 and will be addressed with the Advisory Committee (ACOM) and the Planning Group on Data Needs for Assessment and Advice (PGDATA) in 2020. Continued investigations into possible new life history parameters for modern assessment included the development of a de-liverable stomach sampling and contents analysis action plan.The need for age validation studies was again highly stressed by the repeated low levels of poor agreement between age readers of some stocks with lack of resources identified as the main ob-stacle. During the scientific session on ‘Age and Maturity Validation Studies’ several experi-ment/studies were presented and discussed, mostly in light of their applicability and in 2020 a list of prioritised stocks to be validated will be finalised. WGBIOP also developed a workplan for the ICES Handbook on maturity staging of marine species.With respect to standardisation of quality assurance procedures at a regional level, the guidelines for age and maturity workshops and exchanges underwent a major review in line with SmartDots development. Suggestions for an improved calculation of modal age were presented and an updated ICES code for otolith reading quality grading was adopted by the group. Efforts will continue to streamline the data and work flow across the Regional Coordination Groups (RCGs), the Working Group on SmartDots Governance (WGSMART) and other relevant groups.

AB - The ICES Working Group on Biological Parameters (WGBIOP) general aim is to review the status of current issues and developments associated with biological parameters, supporting the Data Collection Framework and end user (stock assessment) requirements.WGBIOP continued the work of reviewing past exchanges and workshops for age and maturity organised under the remits of WGBIOP and in line with their above-mentioned aim. The focus was on the stocks to be benchmarked in the coming years and available issue lists used to identify any problems to be addressed. Steps for implementing the output from exchanges and work-shops into the stock assessment models in the form of age error matrices (AEM’s), which are now a standard output in the SmartDots reports, were outlined. SmartDots is an age reading platform that facilitates age readings based on otolith images. The most effective way to investigate this process would be during the benchmark process. The continued efforts to streamline the work-flow of WGBIOP with the benchmark process has not developed any further since the group met in 2018 and will be addressed with the Advisory Committee (ACOM) and the Planning Group on Data Needs for Assessment and Advice (PGDATA) in 2020. Continued investigations into possible new life history parameters for modern assessment included the development of a de-liverable stomach sampling and contents analysis action plan.The need for age validation studies was again highly stressed by the repeated low levels of poor agreement between age readers of some stocks with lack of resources identified as the main ob-stacle. During the scientific session on ‘Age and Maturity Validation Studies’ several experi-ment/studies were presented and discussed, mostly in light of their applicability and in 2020 a list of prioritised stocks to be validated will be finalised. WGBIOP also developed a workplan for the ICES Handbook on maturity staging of marine species.With respect to standardisation of quality assurance procedures at a regional level, the guidelines for age and maturity workshops and exchanges underwent a major review in line with SmartDots development. Suggestions for an improved calculation of modal age were presented and an updated ICES code for otolith reading quality grading was adopted by the group. Efforts will continue to streamline the data and work flow across the Regional Coordination Groups (RCGs), the Working Group on SmartDots Governance (WGSMART) and other relevant groups.

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Bekaert K, Canha Â, Finnbogadóttir G, Costa AM, Follesa MC, Gault M et al. Working Group on Biological Parameters (WGBIOP). International Council for the Exploration of the Sea (ICES), 2019. 94 p. (ICES Scientific Report; No. 85, Vol. 1). https://doi.org/10.17895/ices.pub.5682