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    WG-ASAM-2023

    Full Name
    Working Group on Acoustic Survey and Analysis Methods
    Lieu:
    Tokyo, Japan
    Date/heure de début de réunion:
    Date/heure de fin de réunion:
    Dates limites de soumission
    lundi 8 mai 2023 à 09:00 Australie/Hobart (Document de groupe de travail)

    Please note that information for delegates in now available.

    Rapport de la réunion:
    f-sc-42-a4.pdf (1.2 Mo)

      Documents

      Numéro du document Titre Point(s) de l'ordre du jour
      WG-ASAM-2023/01
      Plus d'infos
      Standardised rules for georeferenced polygons and lines
      CCAMLR Secretariat
      3
      WG-ASAM-2023/02
      Plus d'infos
      Using automatic open-source analysis of backscatter data from fishing vessels to implement feedback management of the Antarctic krill fishery
      S. Menze, G.J. Macaulay, G. Zhang, A. Lowther and B.A. Krafft
      4.2
      WG-ASAM-2023/03
      Plus d'infos
      Preliminary results of a local acoustic-trawl survey of Champsocephalus gunnari in Statistical Subarea 48.2
      L. Pshenichnov, V. Podhornyi and K. Demianenko
      7
      WG-ASAM-2023/04
      Plus d'infos
      Temporal patterns in South Georgia (48.3) zooplankton: insights from a moored echosounder
      T. Dornan, S. Fielding and G.A. Tarling
      6
      WG-ASAM-2023/05
      Plus d'infos
      Echosounder settings and calibration parameters for New Zealand fishing vessels, 2009–2022
      A. Wieczorek, Y. Ladroit, P. Escobar-Flores, R O’Driscoll and J. Devine
      4.1
      WG-ASAM-2023/06
      Plus d'infos
      Acoustic determination of Antarctic krill biomass at South Georgia (Subarea 48.3) during winter
      C.M. Liszka, S. Fielding, T. Dornan and M.A. Collins
      5.1, 4.3
      WG-ASAM-2023/07
      Plus d'infos
      Some parameters for consideration regarding improvement of the CCAMLR protocol for calculating krill biomass
      G. Zhang, G. Skaret, R. Pedersen, S. Menze and B.A. Krafft
      3
      WG-ASAM-2023/08
      Plus d'infos
      Calibration of echosounders for biomass estimation using seafloor backscattering at fixed transects
      G. Macaulay, S. Menze and B. Krafft
      4.1
      WG-ASAM-2023/09
      Plus d'infos
      Repository of acoustic data collected by fishing vessels along CCAMLR nominated transects
      CCAMLR Secretariat
      4.2, 3.2
      WG-ASAM-2023/10
      Plus d'infos
      Some corrections to Table 2 of WG-ASAM-2021/06 (Abe et al., 2021)
      K. Abe, R. Matsukura, N. Yamamoto, K. Amakasu, R. Nagata and H. Murase
      5.2
      WG-ASAM-2023/P01
      Plus d'infos
      Two scales of distribution and biomass of Antarctic krill (Euphausia superba) in the eastern sector of the CCAMLR Division 58.4.2 (55°E to 80°E)
      M.J. Cox, G. Macaulay, M.J. Brasier, A. Burns, O.J. Johnson, R. King, D. Maschette, J. Melvin, A.J.R. Smith, C.K. Weldrick, S. Wotherspoon and S. Kawaguchi
      5.2
      WG-ASAM-2023/P02
      Plus d'infos
      Per-length biomass estimates of Antarctic krill (Euphausia superba)
      A.J. Smith, S. Wotherspoon and M.J. Cox
      3
      WG-ASAM-2023/P03
      Plus d'infos
      Volume backscattering spectra measurements of Antarctic krill using a broadband echosounder
      N. Yamamoto, K. Amakasu, K. Abe, R. Matsukura, T. Imaizumi, T. Matsuura and H. Murase
      5.2
      WG-EMM-2021/05 Rev. 1
      Plus d'infos
      Results from the WG-ASAM intersessional e-group on Krill biomass estimates from acoustic surveys
      WG-ASAM e-group on Krill biomass estimates from acoustic surveys
      5.1

      Ordre du jour

      Développer Commentaires | Développer Document | Réduire

      1     Introduction
      1.1     Opening of the meeting
      1.2     Adoption of the Agenda
      2     Review Terms of Reference and workplan

      The Working Group will review the Terms of Reference (See SC-CAMLR-4,1Annex 10) and the workplan set out in SC-CAMLR-41, Table 9).

      3     Standardised procedures for acoustic surveys and development of krill biomass estimates
      3.1     Collection, processing and reporting of acoustic data

      The Working Group will review the content and quality assurance required for dedicated acoustic surveys to deliver krill biomass estimates to CCAMLR for use in management.
      The Working Group will review the metadata reporting requirements developed during ASAM 2022, including the development of a data exploration tool.

      3.2     Storage of acoustic data
      4     Collection and analysis of acoustic data on board fishing vessels
      4.1     Methods for calibrating echosounders on fishing vessels

      The Working Group will consider methods, procedures, and reporting requirements for calibration of echosounders on fishing vessels used for acoustic data collection.

      4.2     Survey design and data collection for fishing vessels

      The Working Group will review acoustic data collected along nominated transects by fishing vessels.
      The Working Group will consider survey designs, data reporting requirements and data processing needs for using fishing vessels as platforms to support biomass estimation of krill, including the review of an instruction manual for collection of fishing-vessel-based acoustic data.

      4.3     Krill biological data collection
      5     Krill biomass estimates
      5.1     Area 48 biomass estimates

      The Working Group will discuss the methodology on the estimation of uncertainty for Subarea 48.1 stratum biomass estimates using existing data, and consider the krill biomass estimates for other subareas in Area 48.

      5.2     Area 58 biomass estimates

      The Working Group will review survey results for biomass estimates from East Antarctic surveys.

      WG-ASAM-2023/10 Some corrections to Table 2 of WG-ASAM-2021/06 (Abe et al., 2021)
      K. Abe, R. Matsukura, N. Yamamoto, K. Amakasu, R. Nagata and H. Murase
      WG-ASAM-2023/P01 Two scales of distribution and biomass of Antarctic krill (Euphausia superba) in the eastern sector of the CCAMLR Division 58.4.2 (55°E to 80°E)
      M.J. Cox, G. Macaulay, M.J. Brasier, A. Burns, O.J. Johnson, R. King, D. Maschette, J. Melvin, A.J.R. Smith, C.K. Weldrick, S. Wotherspoon and S. Kawaguchi
      WG-ASAM-2023/P03 Volume backscattering spectra measurements of Antarctic krill using a broadband echosounder
      N. Yamamoto, K. Amakasu, K. Abe, R. Matsukura, T. Imaizumi, T. Matsuura and H. Murase
      6     Survey design and using other platforms
      7     Develop methods to estimate biomass of finfish using acoustic techniques
      8     Future work

      The working group will consider the workplan in SC-CAMLR-41 Table 9 and identify any reprioritisation or revision for discussion by the Scientific Committee.

      9     Other business

      The Working Group will consider any other business, including acoustic survey data from research conducted under CM 24-01.

      10     Advice to the Scientific Committee
      11     Adoption of report and close of meeting.