1. Meetings
  2. Scientific Committee (SC) Meetings
  3. Technical Working Group on Chub Mackerel Stock Assessment (TWG CMSA)
  4. 6th TWG CMSA meeting

6th TWG CMSA meeting

    Location
    Virtual
    Short Name
    TWG CMSA06
    Date
    -
    Registration Due
    Meeting Papers Due
    Meeting Information File
    NPFC-2022-SSC PS09-MIP01 Meeting Information_0.pdf
    Meeting Report File for Public
    TWG CMSA06 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 5th TWG CMSA
     
    3.2 Intersessional meetings of SWG OM
    4. Stock assessment model for chub mackerel
     
    4.1 Progress of the intersessional works
     
    4.2 Data generation by PopSim as input to the candidate stock assessment models
     
    4.3 Report on the performance of the candidate stock assessment models
     
    4.4 Ranking of the candidate stock assessment models
     
    4.5 Selection of the model for chub mackerel stock assessment
     
    4.6 Recommendations and timelines for future work
    5. Development of data for the stock assessment of chub mackerel
     
    5.1 Research activities and review of biological parameters
     
    5.2 Review of fishery (catch-at-age, weight-at-age, maturity-at-age, if possible) data based on a quarterly calendar
     
    5.3 Update and improve the standardized abundance indices and other data for use in the stock assessment
     
    5.4 Recommendations for future work
    6. Future projection of chub mackerel
    7. Biological reference points
     
    7.1 Candidate biological reference points for chub mackerel
    8 Review of the Work Plan of the TWG CMSA
    9. Other matters
     
    9.1 Timeline and intersessional activities before TWG CMSA07
     
    9.2 Observer Program
     
     
    9.2.1 Review data or data description on fisheries bycatch in the chub mackerel fisheries
     
    9.3 Other issues
    10. Recommendations to the Scientific Committee
    11. Adoption of Report
    12. Close of the Meeting
    No documents listed
    NPFC-2022-TWG CMSA06-MIP02
    		Provisional Agenda NPFC-2022-TWG CMSA06-MIP02 Provisional Agenda_0.pdf
    NPFC-2022-TWG CMSA06-MIP03 (Rev. 1)
    		Annotated Indicative Schedule NPFC-2022-TWG CMSA06-MIP03(Rev 1) Annotated Indicative Schedule.pdf
    No documents listed
    3.1 5th TWG CMSA
    No documents listed
    3.2 Intersessional meetings of SWG OM
    NPFC-2022-TWG CMSA06-WP06
    		3rd Meeting of the Small Working Group on Operating Model for Chub Mackerel Stock Assessment NPFC-2022-TWG CMSA06-WP06 SWG OM03 Meeting Summary.pdf
    NPFC-2022-TWG CMSA06-WP07
    		4th Meeting of the Small Working Group on Operating Model for Chub Mackerel Stock Assessment NPFC-2022-TWG CMSA06-WP07 SWG OM04 Meeting Summary.pdf
    No documents listed
    4.1 Progress of the intersessional works
    No documents listed
    4.2 Data generation by PopSim as input to the candidate stock assessment models
    No documents listed
    4.3 Report on the performance of the candidate stock assessment models
    NPFC-2022-TWG CMSA06-WP08 (Rev. 1)
    		Calculation of performance measures by fitting VPA and SAM to pseudo data for chub mackerel in Northwestern Pacific NPFC-2022-TWG CMSA06-WP08 (Rev. 1) Calculation of performance measures by fitting VPA and SAM to pseudo data.pdf
    NPFC-2022-TWG CMSA06-WP12
    		The fitting results of ASAP to pseudo data and performance measures for operating model of Chub mackerel NPFC-2022-TWG CMSA06-WP12 ASAP fit to pseudo data for Chub mackerel_China.pdf
    NPFC-2022-TWG CMSA06-WP13
    		The fitting results of BSSPM to pseudo data with performance measures for Chub mackerel operating model NPFC-2022-TWG CMSA06-WP13 BSSPM fit to pseudo data for Chub mackerel_China.pdf
    4.4 Ranking of the candidate stock assessment models
    No documents listed
    4.5 Selection of the model for chub mackerel stock assessment
    No documents listed
    4.6 Recommendations and timelines for future work
    No documents listed
    No documents listed
    5.1 Research activities and review of biological parameters
    No documents listed
    5.2 Review of fishery (catch-at-age, weight-at-age, maturity-at-age, if possible) data based on a quarterly calendar
    NPFC-2022-TWG CMSA06-WP02
    		Japanese fishery data based on a quarterly calendar NPFC-2022-TWG CMSA06-WP02 Quarterly data Japan.docx
    NPFC-2022-TWG CMSA06-WP03 (Rev. 1)
    		Preliminary quarterly data for 2021 China NPFC-2022-TWG CMSA06-WP03(Rev 1) Quartely data 2018-2021_China.xlsx
    5.3 Update and improve the standardized abundance indices and other data for use in the stock assessment
    NPFC-2022-TWG CMSA06-WP11 (Rev. 1)
    		Standardizing abundance index for recruitment of chub mackerel in the Northwest Pacific NPFC-2022-TWG CMSA06-WP11 (Rev. 1) Standardizing abundance index for recruitment of CM.pdf
    NPFC-2022-TWG CMSA06-WP10
    		Standardizing monthly egg survey data as an abundance index for spawning stock biomass of chub mackerel in the Northwest Pacific NPFC-2022-TWG CMSA06-WP10 Standardizing monthly egg survey data as an abundance index.pdf
    NPFC-2022-TWG CMSA06-WP09
    		Standardizing CPUE of Japanese commercial dip-net fishery targeting spawners of chub mackerel in the Northwest Pacific NPFC-2022-TWG CMSA06-WP09 Standardizing CPUE of Japanese commercial dip-net fishery.pdf
    NPFC-2022-TWG CMSA06-WP14
    		Standardized CPUE of Chub mackerel (Scomber japonicas) caught by the China’s lighting purse seine fishery up to 2020 NPFC-2022-TWG CMSA06-WP14 Standardized CPUE of Chub mackerel_China.pdf
    5.4 Recommendations for future work
    No documents listed
    No documents listed
    NPFC-2022-TWG CMSA06-WP05
    		Summary of the report “Review of Target and Limit Reference Points” By Laurence T. Kell (2019) NPFC-2022-TWG CMSA06-WP05 BRP Review_Joel Rice.pdf, Review of target and limit reference points_Dr Kell_Mar2019.pdf
    7.1 Candidate biological reference points for chub mackerel
    No documents listed
    NPFC-2022-TWG CMSA06-WP01 (Rev. 1)
    		TWG CMSA Work Plan, 2022-2026 NPFC-2022-TWG CMSA06-WP01(Rev 1) TWG CMSA Work Plan.docx
    No documents listed
    9.1 Timeline and intersessional activities before TWG CMSA07
    No documents listed
    9.2 Observer Program
    No documents listed
    9.2.1 Review data or data description on fisheries bycatch in the chub mackerel fisheries
    NPFC-2022-TWG CMSA06-WP04
    		Data description on fisheries bycatch in the chub mackerel fisheries in China NPFC-2022-TWG CMSA06-WP04 Data description on bycatch in CM fisheries_Chn.pdf
    9.3 Other issues
    No documents listed
    No documents listed
    No documents listed
    No documents listed
    Document Number Title File Created
    NPFC-2022-TWG CMSA06-MIP02 Provisional Agenda NPFC-2022-TWG CMSA06-MIP02 Provisional Agenda_0.pdf
    NPFC-2022-TWG CMSA06-MIP03 (Rev. 1) Annotated Indicative Schedule NPFC-2022-TWG CMSA06-MIP03(Rev 1) Annotated Indicative Schedule.pdf
    NPFC-2022-TWG CMSA06-WP01 (Rev. 1) TWG CMSA Work Plan, 2022-2026 NPFC-2022-TWG CMSA06-WP01(Rev 1) TWG CMSA Work Plan.docx
    NPFC-2022-TWG CMSA06-WP02 Japanese fishery data based on a quarterly calendar NPFC-2022-TWG CMSA06-WP02 Quarterly data Japan.docx
    NPFC-2022-TWG CMSA06-WP03 (Rev. 1) Preliminary quarterly data for 2021 China NPFC-2022-TWG CMSA06-WP03(Rev 1) Quartely data 2018-2021_China.xlsx
    NPFC-2022-TWG CMSA06-WP04 Data description on fisheries bycatch in the chub mackerel fisheries in China NPFC-2022-TWG CMSA06-WP04 Data description on bycatch in CM fisheries_Chn.pdf
    NPFC-2022-TWG CMSA06-WP05 Summary of the report “Review of Target and Limit Reference Points” By Laurence T. Kell (2019) NPFC-2022-TWG CMSA06-WP05 BRP Review_Joel Rice.pdf, Review of target and limit reference points_Dr Kell_Mar2019.pdf
    NPFC-2022-TWG CMSA06-WP06 3rd Meeting of the Small Working Group on Operating Model for Chub Mackerel Stock Assessment NPFC-2022-TWG CMSA06-WP06 SWG OM03 Meeting Summary.pdf
    NPFC-2022-TWG CMSA06-WP07 4th Meeting of the Small Working Group on Operating Model for Chub Mackerel Stock Assessment NPFC-2022-TWG CMSA06-WP07 SWG OM04 Meeting Summary.pdf
    NPFC-2022-TWG CMSA06-WP08 (Rev. 1) Calculation of performance measures by fitting VPA and SAM to pseudo data for chub mackerel in Northwestern Pacific NPFC-2022-TWG CMSA06-WP08 (Rev. 1) Calculation of performance measures by fitting VPA and SAM to pseudo data.pdf
    NPFC-2022-TWG CMSA06-WP09 Standardizing CPUE of Japanese commercial dip-net fishery targeting spawners of chub mackerel in the Northwest Pacific NPFC-2022-TWG CMSA06-WP09 Standardizing CPUE of Japanese commercial dip-net fishery.pdf
    NPFC-2022-TWG CMSA06-WP10 Standardizing monthly egg survey data as an abundance index for spawning stock biomass of chub mackerel in the Northwest Pacific NPFC-2022-TWG CMSA06-WP10 Standardizing monthly egg survey data as an abundance index.pdf
    NPFC-2022-TWG CMSA06-WP11 (Rev. 1) Standardizing abundance index for recruitment of chub mackerel in the Northwest Pacific NPFC-2022-TWG CMSA06-WP11 (Rev. 1) Standardizing abundance index for recruitment of CM.pdf
    NPFC-2022-TWG CMSA06-WP12 The fitting results of ASAP to pseudo data and performance measures for operating model of Chub mackerel NPFC-2022-TWG CMSA06-WP12 ASAP fit to pseudo data for Chub mackerel_China.pdf
    NPFC-2022-TWG CMSA06-WP13 The fitting results of BSSPM to pseudo data with performance measures for Chub mackerel operating model NPFC-2022-TWG CMSA06-WP13 BSSPM fit to pseudo data for Chub mackerel_China.pdf
    NPFC-2022-TWG CMSA06-WP14 Standardized CPUE of Chub mackerel (Scomber japonicas) caught by the China’s lighting purse seine fishery up to 2020 NPFC-2022-TWG CMSA06-WP14 Standardized CPUE of Chub mackerel_China.pdf