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1. An update on the development of a management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity

   Abstract:  Two Operating Models (OMs) reflecting an “Optimistic” and a “Pessimistic” current ... a constant future catch suggest that the two scenarios will only be qualitatively distinguished in ... for the “Pessimistic”, but not the “Optimistic” case. Accordingly the performance of a simple MP ... to secure a faster increase in the TAC for the “Optimistic” case, and some recovery in abundance for ...

   Meeting Document : WG-FSA-SAM-06/12 : Auteur(s): A. Brandão and D.S. Butterworth (South Africa)

2. A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on recent survey results

   vicinity of Heard Island during April-May 2011. This paper provides a preliminary assessment of mackerel ... ’ E using standard CCAMLR methods. A pattern of 5 year classes being present simultaneously in the ... population, which was first detected in 2011, has persisted, however a large cohort of fish, estimated to be ... 2+, dominate the population in both abundance and biomass. A new length weight model is estimated ...

   Meeting Document : WG-FSA-12/26 : Auteur(s): D.C. Welsford (Australia)

3. A review of conversion factors used in CCAMLR toothfish fisheries

   be required to better understand the sources of this variability. The results suggest that a ... reconciliation between the reported catch for a vessel and the weight of product reported in a catch document ... submitted to the CDS should be based on a conversion of the ‘green weight’ for each haul in the C2 data to a ... ):  CCAMLR Secretariat Title:  A review of conversion factors used in CCAMLR toothfish fisheries Approval ...

   Meeting Document : WG-FSA-15/02 : Auteur(s): CCAMLR Secretariat

4. A representative system of CCAMLR MPAs: taking stock and moving forward

   the CCAMLR MPA designation process started over a decade earlier. Additional MPAs will demonstrate ... that the Ross Sea MPA designation was not a one-off for CCAMLR, but rather one important step in ... establishing a representative system of MPAs in the Convention Area. This paper provides an overview of the ... progress made by CCAMLR toward establishing a representative system of MPAs in the Southern Ocean ...

   Meeting Document : CCAMLR-XXXVI/BG/25 Rev. 2 : Auteur(s): Submitted by ASOC

5. Proposal for a krill biomass survey for krill monitoring and management in CCAMLR Division 58.4.2-East

   Abstract:  Australia plans to conduct a krill biomass survey in Division 58.4.2 East during 23 ... January to 25 March 2021. The survey will estimate krill biomass with a view to update the precautionary ... catch limit for krill. A krill observatory mooring system will also be deployed during the survey to ... and predators. A deeper understanding of all these factors will support the design of a tractable and ...

   Meeting Document : WG-EMM-2019/03 : Auteur(s): S. Kawaguchi, M. Cox, N. Kelly, L. Emmerson and D. Welsford

6. A review of national observer training and education programs (Scheme of International Scientific Observation)

   program and the application of observer requirements could be improved by adopting a standard approach to ... education and training for observers in these fisheries (SC-CAMLR-XXV, paragraph 2.11). A review of current ... Secretariat believes that in order to achieve a consistent approach to education and training for scientific ... observers, Members would need to: further develop and agree upon a set of training and education standards ...

   Meeting Document : SC-CAMLR-XXVI/BG/09 Rev. 1 : Auteur(s): Secretariat

7. A preliminary population status model for the Patagonian toothfish, Dissostichus eleginoides, on the Kerguelen Plateau (Divisions 58.5.1 and 58.5.2) using CASAL

   . Analysis of genetic, demographic and tagging data indicates that toothfish form a metapopulation in this ... region. This paper describes the development of a CASAL model incorporating data from research ... , commercial and illegal fishing activities in the French and Australian EEZs. This represents a substantial ... . Preliminary results indicate that illegal fishing in the late 1990s and early 2000s lead to a rapid decline in ...

   Meeting Document : WG-SAM-11/20 : Auteur(s): S.G. Candy (Australia), A. Relot, G. Duhamel (France), D.C. Welsford, A.J. Constable, T.D. Lamb (Australia), P. Pruvost and N. Gasco (France)

8. A methodology for estimating total finfish by-catch of the Area 48 krill fishery

   Abstract:  The report presents a methodology that can be used to estimate the total finfish ... . Estimates of bycatch rates per tonne of catch were made at a family level for Channichthyidae, Nototheniidae ... removed from stocks due to finfish bycatch at a family level, for Channichthyidae and Nototheniidae ... available abundance estimates of Channichthyidae and Nototheniidae species at a family level, and at a ...

   Meeting Document : WG-EMM-12/29 : Auteur(s): T. Peatman, S.M. Martin (United Kingdom), O.R. Godø (Norway) and R.C. Wakeford (United Kingdom)

9. A updated population status model for the Patagonian toothfish, Dissostichus eleginoides, at Kerguelen Islands (Division 58.5.1) using CASAL

   Abstract:  A stock assessment of the Patagonian toothfish (Dissostichus eleginoides) at Kerguelen ... -length data... CASAL is a simple, single-sex, single-area population model. The spatial complexity in the ... . Commercial catch are integrated in the model by CCAMLR season. A weighted combination of datasets was ... . The biomass long-term projection, done for the Patagonian toothfish with a simulated 5,100 tons catch ...

   Meeting Document : WG-FSA-12/09 : Auteur(s): A. Rélot-Stirnemann (France)

10. A first attempt at an assessment of the Patagonian toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands EEZ

    reviewed briefly. It is characterised by very large illegal catches and a sharply declining longline CPUE ... trend. Application of a simple age-structured production model provides robust indication that the ... spawning biomass has been depleted to at most a few percent only of its pre-exploitation level. Projections ... are discussed. Author(s):  A. Brandão, B.P. Watkins, D.S. Butterworth and D.G.M. Miller (South Africa ...

    Meeting Document : WG-FSA-01/54 : Auteur(s): A. Brandão, B.P. Watkins, D.S. Butterworth and D.G.M. Miller (South Africa)

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