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1. Assessment of toothfish in Subarea 48.3, 2006

   requested by the Joint Assessment Group. 2. Also as requested by SAM-2006, we provide a review of CPUE ... trends and construct a model that uses age-based observations, specifically estimates of catches at age ... derived from otolith examination of a random sample of the catch. 3. All the assessments suggest that the ... SSB is now at or close to 50% of its unexploited level. Simple MPD projections suggest that catches in ...

   Meeting Document : WG-FSA-06/53 : Author(s): D.J. Agnew, R. Hillary, M. Belchier, J. Clark and J. Pearce (United Kingdom)

2. EXPLORING THE ROBUSTNESS OF THE CURRENT TOOTHFISH SPP. HARVEST CONTROL RULES AND POTENTIAL EXPLOITATION RATE-BASED ALTERNATIVES

   dynamics of toothfish spp. in the CCAMLR area. This model underpins a management strategy evaluation ... framework where the process of stock assessment, TAC calculation and implementation and potential changes in ... future toothfish productivity (continuous and regime-based) are all simulated. The robustness of the ... current harvest control rule employed for assessed stocks of toothfish spp. in the convention area is ...

   Meeting Document : WG-SAM-09/14 : Author(s): R. Hillary (United Kingdom)

3. Tracer trajectories from the western shelf of South Georgia: ship displacement data

   the west of South Georgia. The data were collected over a six-week period during 1986. A distance ... is complex with no simple flow field. These data include a lot of complex process interactions ... . Particles getting onto the shelf become retained with little escape after a run of 100 days. Some of the ... trajectories are extremely complex. Particles to the north of the shelf can get up onto the shelf. Only those ...

   Meeting Document : WS-Flux-94/10 : Author(s): E.J. Murphy, I. Everson and C. Goss (United Kingdom)

4. Molecular and morphological identification of Macrourus species caught as by-catch in the toothfish longline fisheries in CCAMLR Subareas 48.3 and 48.4.

   Abstract:  Genetic identification of grenadiers taken as bycatch in the toothfish longline fishery ... at South Georgia was compared with results of morphological identifications made by scientific ... of Macrourus were identified genetically in the Southern Ocean and confirmed the presence of a ... Northern hemisphere species, M. berglax. There is a clear latitudinal separation of Macrourus species in ...

   Meeting Document : WG-FSA-12/35 : Author(s): E. Fitzcharles, K. Brigden, S. Gregory, M. Belchier and J. Brown (United Kingdom)

5. New contributions to penguin monitoring to help underpin the development of feedback management approaches for the Antarctic krill fishery

   Abstract:  In this paper we provide a brief summary of new plans for the study of penguin ... penguin survival, demography and phenology. We describe the range of new methodologies that we will ... . These studies will inform our understanding of krill-eating penguins and have relevance to the ... development of various potential feedback management approaches for the krill fishery in the southwest ...

   Meeting Document : WG-EMM-13/11 : Author(s): N. Ratcliffe, A. Fox, P. Fretwell, T. Hart and P. Trathan (United Kingdom)

6. Density and geographical distribution of krill larvae on the Weddell – Scotia Confluence region during summer 2011

   Abstract:  The analysis of euphausiid larvae collected during january 2011 in the Weddell Scotia ... Confluence region show a strong decrease in the abundance of  Euphausia superba larvae and an increase in ... associations of the different larvae and especies correspond to the available information. The densities ... values at a fixed grid of points. Significance of the differences was established using a binomial test ...

   Meeting Document : WG-EMM-16/51 : Author(s): E. Rombolá, C. Franzosi, G. Tossonotto, V. Alder and E. Marschoff

7. Correlation of sea-surface temperature (SST) with sea-ice concentration (SIC) between Subarea 48.6 and other areas such as Ross Sea, Weddell Sea

   Abstract:  Since the correlation of SST between Subarea 48.6 and Division 58.4.2 was reported in ... Namba et al. (WG-SAM-17/10), correlations of SIC between Subareas 48.6 and 88.1 (Ross Sea), Weddell Sea ... and the Sea offPeru were re-analyzed in this paper. There is some correlation of SIC between Subareas ... 48.6 and 88.1 with SST data from 2002-2019. In addition, the correlation of SST and SST shifted forward ...

   Meeting Document : WG-FSA-2019/48 : Author(s): T. Namba, R. Sarralde, S. Somhlaba and J. Pompert

8. A proposal to modify the boundaries of Statistical Division 58.5.2 to define William’s Ridge

   Abstract:  A proposal is submitted to suggest modifications to the boundaries of Division 58.5.2 ... and the creation of a new Division 58.5.3. The modified or new Divisions reflect more accurately the ... distribution of management units for toothfish in the region within and adjacent to the Convention Area. Author ... (s):  Delegation of Australia Title:  A proposal to modify the boundaries of Statistical Division ...

   Meeting Document : SC-CAMLR-XXI/07 : Author(s): Delegation of Australia

9. plotImpact – software for producing image plots of spatially referenced impact assessments

   Abstract:  Software is presented for the automated production of standardised image plots of ... Secretariat or CCAMLR Working Groups in the production of integrated bottom fishing impact assessments ... , including routine update of the circumpolar impact assessment originally described in SC-CAMLR-XXIX/4 ... – software for producing image plots of spatially referenced impact assessments Approval:  Approved ...

   Meeting Document : WG-FSA-11/51 Rev. 1 : Author(s): D.N. Webber (New Zealand) and J.P. McKinlay (Australia)

10. Interannual and seasonal variability of salp by-catch from Japanese krill fishery around the South Shetland Islands

    Abstract:  Data on salp by-catch and green krill were analyzed based on Logbook data of Japanese ... krill trawlers. Inter-annual and seasonal variability of the timing, duration and strength of salp bloom ... were indicated. Salp by-catch and occurrence of green krill seemed to show reverse correlation ... ., Kawaguchi, S. Title:  Interannual and seasonal variability of salp by-catch from Japanese krill fishery ...

    Meeting Document : WG-EMM-97/37 : Author(s): Naganobu, M., Ichii, T., Kawaguchi, S.

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