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1. 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 : Author(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)

2. 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 : Author(s): A. Rélot-Stirnemann (France)

3. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2005/06

   nine years in Subarea 88.1 and for five years in Subarea 88.2 with a large amount of data collected on ... fished. The 2006 D. mawsoni catch was the second highest on record with a total of 3388 t against a ... . The management of the SSRUs within the two subareas was changed for the 2006 season as part of a 3 ... catch limit being slightly exceeded in the 2006 season. Concentration of effort within a smaller spatial ...

   Meeting Document : WG-FSA-06/29 : Author(s): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)

4. Developing a carbon-budget trophic model of the Ross Sea, Antarctica: work in progress

   Abstract:  We report on the development of a carbon-budget trophic-model of the Ross Sea. We ... column, ice, and benthic). The simple trophic model requires well over a hundred parameters, each of ... explicit assumptions. The model is not complete, and should be considered a work in progress. A trial ... budget was created to quantify carbon flow through our conceptual model of the Ross Sea ecosystem. A ...

   Meeting Document : WG-EMM-05/18 : Author(s): M. Pinkerton, S. Hanchet, J. Bradford-Grieve and P. Wilson (New Zealand)

5. MULTIPLE INDICATORS SUGGEST A STRONG ECOSYSTEM ANOMALY AT SOUTH GEORGIA IN 2009

   , Euphausia superba, which is a major prey species for many vertebrate populations at South Georgia. The ... marine ecosystem at South Georgia is the focus of a major research effort and consequently there are many ... revealed a strong anomaly in early 2009. Above average sea temperatures, without any evidence of increased ... warm water inflow were followed by reduced icefish catches, a paucity of krill in icefish and penguin ...

   Meeting Document : WG-EMM-09/23 : Author(s): S. Hill, M. Belchier, M. Collins, S. Fielding, E. Murphy, P. Trathan, H. Venables and C. Waluda (United Kingdom)

6. Temporal scales of foraging in a marine predator: implications for interpreting the distribution of prey

   success of a predator. In pelagic marine ecosystems, where prey is often patchily distributed, predators ... the surface, the time taken for a fur seal to locate a new patch after leaving an old one is an ... showed that fur seals foraged at two spatial distributions: (1) a fine-scale (median distance 0.18- 0.27 ... km) represented by short (5 rain) travel durations. In a study lasting 5 years, the distributions of ...

   Meeting Document : WG-EMM-95/23 : Author(s): Boyd, I.L.

7. A SIMULATION MODEL FOR EVALUATING MANAGEMENT STRATEGIES TO CONSERVE BENTHIC HABITATS (VULNERABLE MARINE ECOSYSTEMS) WHICH ARE POTENTIALLY VULNERABLE TO IMPACTS FROM BOTTOM FISHERIES

   habitats.  Noting the paucity of data on the ecology of these habitats, this paper provides a practical ... requirement can be translated into a simple operational objective:  Maintain the quality of habitats above the ... ”, a categorisation fraught with difficulty.  Instead, it means that habitats for which this would not ... paper develops a simulation model for this task, representing key properties of the benthic system such ...

   Meeting Document : WG-SAM-09/21 : Author(s): A.J. Constable (Australia)

8. Results of the 2015 multi-Member longline survey for toothfish in the northern Ross Sea region (Subarea 88.2 SSRUs A–B) and proposal for 2016 operations

   Abstract:  The first year of a two-year and multi-member research survey using standardised ... 88.2A–B. The sampling strategy and data collection adhered to standards set in CM 41-10 (2014). A total ... in the survey. The gonadosomatic index showed a decreasing trend from west to east across the ... block-specific catch limits to ensure a greater spread of effort, and a higher level of scientific ...

   Meeting Document : WG-FSA-15/32 : Author(s): S.J. Parker, R.J.C. Currey (New Zealand), M. Söffker, C. Darby (United Kingdom), O. Godø (Norway) and A. Petrov (Russia)

9. A comparative morphometric analysis of sagittal otoliths of three icefishes (Channichthyidae) in Antarctic waters

   Abstract:  In the present study a comparative morphometric analysis of sagittal otoliths was ... gunnari) collected during a research survey carried out between January 23 and February 13, 2016, along ... differences between the left and right sagittae in BSDs, a univariate and multivariate ANOVA and MANOVA were ... showed a high discriminatory power to distinguish the left and right otoliths, with a total percentage of ...

   Meeting Document : WG-FSA-18/47 : Author(s): G. Plaza, C. Rodríguez-Valentino and P.M. Arana

10. Further development of a krill fishery simulation model

    to both Japanese and Chilean krill fishing fleets in Subarea 48.1. A stochastic element is introduced ... the model predicts a 90% reduction in overlap with foraging predators, and a 15 to 20% reduction in ... catch. Closure of Livingston Island for the breeding period resulted in a 60% reduction in overlap with ... development of a krill fishery simulation model Approval:  Approved ...

    Meeting Document : WG-Joint-94/04 : Author(s): D.J. Agnew (Secretariat)

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