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Agenda
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Annotations
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).
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WG-ASAM-2023/01 | Standardised rules for georeferenced polygons and lines CCAMLR Secretariat |
WG-ASAM-2023/07 | 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 |
WG-ASAM-2023/P02 | Per-length biomass estimates of Antarctic krill (Euphausia superba) A.J. Smith, S. Wotherspoon and M.J. Cox |
Annotations
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.
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Annotations
The Working Group will consider database and storage needs for acoustic data collected by fishing vessels and research surveys.
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The Working Group will consider methods, procedures, and reporting requirements for calibration of echosounders on fishing vessels used for acoustic data collection.
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WG-ASAM-2023/05 | 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 |
WG-ASAM-2023/08 | Calibration of echosounders for biomass estimation using seafloor backscattering at fixed transects G. Macaulay, S. Menze and B. Krafft |
Annotations
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.
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WG-ASAM-2023/02 | 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 |
WG-ASAM-2023/09 | Repository of acoustic data collected by fishing vessels along CCAMLR nominated transects CCAMLR Secretariat |
Annotations
The Working Group will consider the data collection needs to support krill biomass estimation from fishing vessels undertaking acoustic surveys for krill, particularly krill length frequency data and weight data from scientific observers.
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WG-ASAM-2023/06 | 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 |
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Annotations
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.
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WG-ASAM-2023/06 | 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 |
WG-EMM-2021/05 Rev. 1 | 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 |
Annotations
The Working Group will review survey results for biomass estimates from East Antarctic surveys.
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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 |
Annotations
The Working Group will consider design and analysis methods to examine temporal and spatial variability of krill distribution by observations from various sources (e.g., gliders, moorings, and acoustic data collected during routine fishing activities.
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WG-ASAM-2023/04 | Temporal patterns in South Georgia (48.3) zooplankton: insights from a moored echosounder T. Dornan, S. Fielding and G.A. Tarling |
Annotations
The Working Group will consider papers submitted regarding the design, analysis or results of biomass surveys for finfish such as mackerel icefish.
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WG-ASAM-2023/03 | Preliminary results of a local acoustic-trawl survey of Champsocephalus gunnari in Statistical Subarea 48.2 L. Pshenichnov, V. Podhornyi and K. Demianenko |
Annotations
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.
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Annotations
The Working Group will consider any other business, including acoustic survey data from research conducted under CM 24-01.