1. Meetings
  2. Scientific Committee (SC) Meetings
  3. Technical Working Group on Chub Mackerel Stock Assessment (TWG CMSA)
  4. 3rd Meeting of the Technical Working Group on Chub Mackerel Stock Assessment

3rd Meeting of the Technical Working Group on Chub Mackerel Stock Assessment

    Location
    Virtual
    Short Name
    3rd TWG CMSA meeting
    Date
    -
    Registration Due
    Meeting Papers Due
    Meeting Information File
    NPFC-2020-SC05-MIP01(Rev 1) Meeting Information.docx
    Meeting Report File for Public
    TWG CMSA03 report.pdf
    1 Opening of the Meeting
    2 Adoption of Agenda
    3 Overview of the recommendations and outcomes of previous NPFC meetings relevant to chub mackerel
     
    3.1 2nd TWG CMSA and 4th SC meeting
     
    3.2 5th Commission meeting and CMM 2019-07
     
    3.3 Intersessional meeting of TWG CMSA
    4 Toward development of Management Strategy Evaluation (MSE)
     
    4.1 Update on intersessional work towards MSE
     
    4.2 Recommendations and timelines for future work
    5 Review of Terms of Reference and Protocols of the TWG CMSA
     
    5.1 Terms of Reference
     
    5.2 CPUE Standardization Protocol
     
    5.3 Stock Assessment Protocol
     
    5.4 Protocol for the Operating Model Development
    6 Review of Member’s fisheries and research activities
    7 Development of the operating model for the stock assessment of chub mackerel
     
    7.1 Review of key considerations and specifications from the TWG CMSA02 meeting
     
    7.2 Review of availability and quality of data shared by the Members
     
    7.3 Review of stock assessment results (VPA, ASAP, KAFKA, SAM)
     
    7.4 Assumptions and parameters from the stock assessment models
     
    7.5 Major sources of uncertainty to be included in the operating model
     
    7.6 Determination of scenarios for the operating model
     
    7.7 POPSIM-A as an operating model for testing chub mackerel stock assessment models (final report)
     
    7.8 Recommendations and timelines for future work
    8 Review of fishery-dependent and fishery-independent data
     
    8.1 Update on data availability
     
    8.2 Data collection templates
     
    8.3 Observer Program
    9 Review and evaluation of fishery-dependent and fishery-independent indices
     
    9.1 Fishery-dependent indices
     
    9.2 Fishery-independent indices
     
    9.3 Recommendations for future work
    10 Review of the Work Plan of the TWG CMSA
    11 Other matters
     
    11.1 European Union’s application
     
    11.2 Next TWG CMSA meetings
     
    11.3 Other matters
    12 Recommendations to the Scientific Committee
    13 Adoption of Report
    14 Close of the Meeting
    No documents listed
    NPFC-2020-TWG CMSA03-MIP02
    		Provisional Agenda NPFC-2020-TWG CMSA03-MIP02 Provisional Agenda.pdf
    NPFC-2020-TWG CMSA03-MIP03 (Rev. 2)
    		Annotated Indicative Schedule NPFC-2020-TWG CMSA03-MIP03(Rev 2) Annotated Indicative Schedule.pdf
    No documents listed
    3.1 2nd TWG CMSA and 4th SC meeting
    Reports of TWG CMSA02 and SC04 meetings (click for LINK)
    3.2 5th Commission meeting and CMM 2019-07
    COM05 report and CMM 2018-07 (click for LINK)
    3.3 Intersessional meeting of TWG CMSA
    NPFC-2020-TWG CMSAint01-Summary
    		Summary of the 1st Intersessional Meeting of the Technical Working Group on Chub Mackerel Stock Assessment TWG CMSAin01 Summary.pdf
    No documents listed
    4.1 Update on intersessional work towards MSE
    NPFC-2020-TWG CMSA03-WP11
    		Demonstration Management Strategy Evaluation for Chub Mackerel Using Open-Source Tools NPFC-2020-TWG CMSA03-WP11 A demonstration MSE framework for chub mackerel.pdf
    4.2 Recommendations and timelines for future work
    No documents listed
    No documents listed
    5.1 Terms of Reference
    TORs of TWG CMSA (click for LINK)
    5.2 CPUE Standardization Protocol
    CPUE Standardization Protocol for Chub Mackerel (click for LINK)
    5.3 Stock Assessment Protocol
    Stock Assessment Protocol for Chub Mackerel (click for LINK)
    5.4 Protocol for the Operating Model Development
    Protocol for development of operating model (click for LINK)
    Summary tables of CM catch and effort (click for LINK)
    NPFC-2020-TWG CMSA03-WP12
    		Fishing for chub mackerel (Scomber japonicus) by Russian trawl vessels in 2019 and preliminary results on fishing in 2020 NPFC-2020-TWG CMSA03-WP12 Chub mackerel fishery_Russia.pdf
    NPFC-2020-TWG CMSA03-IP01
    		Recent fishery and stock status of chub mackerel from Japan NPFC-2020-TWG CMSA03-IP01 Update on chub mackerel fisheries_Jpn.pdf
    NPFC-2020-TWG CMSA03-IP02
    		Review of chub mackerel fishery in China and research activities NPFC-2020-TWG CMSA03-IP02 Update on chub mackerel fisheries_Chn.pdf
    No documents listed
    7.1 Review of key considerations and specifications from the TWG CMSA02 meeting
    No documents listed
    7.2 Review of availability and quality of data shared by the Members
    NPFC-2020-TWG CMSA03-WP04
    		Compilation and Summary of Shared Data for Operating Models of the Chub Mackerel in the Northwestern Pacific NPFC-2020-TWG CMSA03-WP04 Compilation and summary of shared data for operating models.pdf
    NPFC-2020-TWG CMSA03-WP06
    		Content of the document for data description NPFC-2020-TWG CMSA03-WP06 Data Description_China.pdf
    NPFC-2020-TWG CMSA03-WP07
    		Data Description_Japan NPFC-2020-TWG CMSA03-WP07 Data Description_Japan.xlsx
    NPFC-2020-TWG CMSA03-WP08
    		Data Description_Russia NPFC-2020-TWG CMSA03-WP08 Data Description_Russia_0.xlsx
    7.3 Review of stock assessment results (VPA, ASAP, KAFKA, SAM)
    NPFC-2020-TWG CMSA03-WP05 (Rev. 1)
    		Application of Virtual Population Analysis (VPA) and State-space Assessment Model (SAM) to the Shared Data of Chub Mackerel in the Northwest Pacific NPFC-2020-TWG CMSA03-WP05(Rev 1) Application of VPA and SAM to shared data CM_Jpn.pdf
    NPFC-2020-TWG CMSA03-WP09 (Rev. 1)
    		Preliminary stock assessment based on ASAP (age-structured assessment program) for Chub mackerel in the North Pacific Ocean NPFC-2020-TWG CMSA03-WP09(Rev 1) Preliminary ASAP stock assessment CM_Chn.pdf
    NPFC-2020-TWG CMSA03-WP10
    		Chub mackerel stock assessment using KAFKA model (report for the intersessional period 2019-2020) NPFC-2020-TWG CMSA03-WP10 Chub mackerel stock assessment with KAFKA_Rus.pdf
    NPFC-2020-TWG CMSA03-IP03
    		Comparison of the stock assessment outputs from ASAP, KAFKA, VAP and SAM
    7.4 Assumptions and parameters from the stock assessment models
    No documents listed
    7.5 Major sources of uncertainty to be included in the operating model
    No documents listed
    7.6 Determination of scenarios for the operating model
    No documents listed
    7.7 POPSIM-A as an operating model for testing chub mackerel stock assessment models (final report)
    POPSIM-A as an operating model for testing North Pacific chub mackerel stock assessment models POPSIM-A chub mackerel-4.pdf
    7.8 Recommendations and timelines for future work
    No documents listed
    No documents listed
    8.1 Update on data availability
    NPFC-2020-TWG CMSA03-WP02
    		Catch, weight, and maturity at age of the chub mackerel of Japan NPFC-2020-TWG CMSA03-WP02 Catch, weight, and maturity at age of the chub mackerel of Japan.pdf
    Data availability for CMSA (click for LINK)
    8.2 Data collection templates
    No documents listed
    8.3 Observer Program
    No documents listed
    NPFC-2020-TWG CMSA03-WP03
    		Review and update on fishery-independent and fishery-dependent indices of the chub mackerel of Japan NPFC-2020-TWG CMSA03-WP03 Fishery-independent and fishery-dependent indices of the chub mackerel of Japan.pdf
    9.1 Fishery-dependent indices
    NPFC-2017-TWG CMSA01-WP02
    		CPUE standardization for the Pacific chub mackerel historical catch in the Northwest Pacific Ocean NPFC-2017-TWG CMSA01-WP02 Chub mackerel CPUE standardization_Russia.docx
    9.2 Fishery-independent indices
    No documents listed
    9.3 Recommendations for future work
    No documents listed
    NPFC-2020-TWG CMSA03-WP01 (Rev. 1)
    		TWG CMSA Work Plan for 2020-2025 NPFC-2020-TWG CMSA03-WP01(Rev 1) 2021-2025 Work Plan_0.docx
    No documents listed
    11.1 European Union’s application
    Application of the EU to accede to the NPFC Convention Letter to the Commission Chair, Fisheries Operation Plan and impact assessment, NPFC Circular 006-2020
    11.2 Next TWG CMSA meetings
    No documents listed
    11.3 Other matters
    No documents listed
    No documents listed
    No documents listed
    No documents listed
    Document Number Title File Created
    NPFC-2020-TWG CMSA03-MIP02 Provisional Agenda NPFC-2020-TWG CMSA03-MIP02 Provisional Agenda.pdf
    NPFC-2020-TWG CMSA03-MIP03 (Rev. 2) Annotated Indicative Schedule NPFC-2020-TWG CMSA03-MIP03(Rev 2) Annotated Indicative Schedule.pdf
    NPFC-2020-TWG CMSA03-WP01 (Rev. 1) TWG CMSA Work Plan for 2020-2025 NPFC-2020-TWG CMSA03-WP01(Rev 1) 2021-2025 Work Plan_0.docx
    NPFC-2020-TWG CMSA03-WP02 Catch, weight, and maturity at age of the chub mackerel of Japan NPFC-2020-TWG CMSA03-WP02 Catch, weight, and maturity at age of the chub mackerel of Japan.pdf
    NPFC-2017-TWG CMSA01-WP02 CPUE standardization for the Pacific chub mackerel historical catch in the Northwest Pacific Ocean NPFC-2017-TWG CMSA01-WP02 Chub mackerel CPUE standardization_Russia.docx
    NPFC-2020-TWG CMSA03-WP03 Review and update on fishery-independent and fishery-dependent indices of the chub mackerel of Japan NPFC-2020-TWG CMSA03-WP03 Fishery-independent and fishery-dependent indices of the chub mackerel of Japan.pdf
    NPFC-2020-TWG CMSA03-WP04 Compilation and Summary of Shared Data for Operating Models of the Chub Mackerel in the Northwestern Pacific NPFC-2020-TWG CMSA03-WP04 Compilation and summary of shared data for operating models.pdf
    NPFC-2020-TWG CMSA03-WP05 (Rev. 1) Application of Virtual Population Analysis (VPA) and State-space Assessment Model (SAM) to the Shared Data of Chub Mackerel in the Northwest Pacific NPFC-2020-TWG CMSA03-WP05(Rev 1) Application of VPA and SAM to shared data CM_Jpn.pdf
    NPFC-2020-TWG CMSA03-WP06 Content of the document for data description NPFC-2020-TWG CMSA03-WP06 Data Description_China.pdf
    NPFC-2020-TWG CMSA03-WP07 Data Description_Japan NPFC-2020-TWG CMSA03-WP07 Data Description_Japan.xlsx
    NPFC-2020-TWG CMSA03-WP08 Data Description_Russia NPFC-2020-TWG CMSA03-WP08 Data Description_Russia_0.xlsx
    NPFC-2020-TWG CMSA03-WP09 (Rev. 1) Preliminary stock assessment based on ASAP (age-structured assessment program) for Chub mackerel in the North Pacific Ocean NPFC-2020-TWG CMSA03-WP09(Rev 1) Preliminary ASAP stock assessment CM_Chn.pdf
    NPFC-2020-TWG CMSA03-WP10 Chub mackerel stock assessment using KAFKA model (report for the intersessional period 2019-2020) NPFC-2020-TWG CMSA03-WP10 Chub mackerel stock assessment with KAFKA_Rus.pdf
    NPFC-2020-TWG CMSA03-WP11 Demonstration Management Strategy Evaluation for Chub Mackerel Using Open-Source Tools NPFC-2020-TWG CMSA03-WP11 A demonstration MSE framework for chub mackerel.pdf
    NPFC-2020-TWG CMSA03-WP12 Fishing for chub mackerel (Scomber japonicus) by Russian trawl vessels in 2019 and preliminary results on fishing in 2020 NPFC-2020-TWG CMSA03-WP12 Chub mackerel fishery_Russia.pdf
    NPFC-2020-TWG CMSA03-IP01 Recent fishery and stock status of chub mackerel from Japan NPFC-2020-TWG CMSA03-IP01 Update on chub mackerel fisheries_Jpn.pdf
    NPFC-2020-TWG CMSA03-IP02 Review of chub mackerel fishery in China and research activities NPFC-2020-TWG CMSA03-IP02 Update on chub mackerel fisheries_Chn.pdf
    NPFC-2020-TWG CMSA03-IP03 Comparison of the stock assessment outputs from ASAP, KAFKA, VAP and SAM
    NPFC-2020-TWG CMSAint01-Summary Summary of the 1st Intersessional Meeting of the Technical Working Group on Chub Mackerel Stock Assessment TWG CMSAin01 Summary.pdf
    Reports of TWG CMSA02 and SC04 meetings (click for LINK)
    COM05 report and CMM 2018-07 (click for LINK)
    TORs of TWG CMSA (click for LINK)
    POPSIM-A as an operating model for testing North Pacific chub mackerel stock assessment models POPSIM-A chub mackerel-4.pdf
    CPUE Standardization Protocol for Chub Mackerel (click for LINK)
    Stock Assessment Protocol for Chub Mackerel (click for LINK)
    Data availability for CMSA (click for LINK)
    Protocol for development of operating model (click for LINK)
    Summary tables of CM catch and effort (click for LINK)
    Application of the EU to accede to the NPFC Convention Letter to the Commission Chair, Fisheries Operation Plan and impact assessment, NPFC Circular 006-2020