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1. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2009/10

   Subarea 88.1 and for 9 years in Subarea 88.2. This report summarises the timing, depth, and location of ... 2009–10. During the 2009–10 fishing year most of the catch in Subarea 88.1 came from the slope SSRUs ... considerably over time in each of the fisheries showing no trend in the main fisheries in Subarea 88.1 and SSRU ... small fish. A major source of uncertainty in the current stock assessment concerns the recruitment ...

   Meeting Document : WG-FSA-10/23 : Author(s): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)

2. Predation release of Antarctic silverfish (Pleuragramma antarctica) in the Ross Sea

   predation release hypothesis. In particular, the examination of 422 Antarctic toothfish stomachs showed that ... the amount of silverfish consumed annually by Adélie penguins in this region. This result was ... increases in the number of Adélie penguins breeding in the southern Ross Sea. Mixed trophic impact (MTI ... changes in toothfish biomass and changes to the biomasses of silverfish and Adélie penguins. Essentially ...

   Meeting Document : WG-EMM-15/53 : Author(s): M.H. Pinkerton, P. Lyver, D. Stevens, J. Forman, R. Eisert and S. Mormede (New Zealand).

3. An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging program in Subareas 88.1 and 88.2 for 2006/07

   Abstract:  The descriptive analyses of the toothfish tagging programme carried out in Subareas ... , and 911 Patagonian toothfish released and 43 recaptured since 2001. The number of tags recaptured in ... number caught in 2006, although the nature of these recaptures suggests that assumptions of homogeneous ... provides an update of the preliminary tag-release and tag-recapture data that were presented at the July ...

   Meeting Document : WG-FSA-07/40 : Author(s): A. Dunn, S.M. Hanchet and S.L. Ballara (New Zealand)

4. Revised research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.2

   / fisheries management of Dissostichus spp. population(s) in data- poor exploratory fisheries. During the ... at the WG-FSA in 2013 in order to maximize the expectation of tag-recapture to the extent possible ... for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.2 Approval ... Abstract:  The current season (2014/15) is the final one of the first three-season research which ...

   Meeting Document : WG-FSA-15/18 : Author(s): Delegation of Japan

5. Indexing maturation of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region

   and 88.2 have provided more than a decade of observations to aid in understanding the life history and ... the slope or return to the slope in early spring. The absence of high condition fish in the north ... Abstract:  The longline fisheries for Antarctic toothfish (Dissostichus mawsoni) in subareas 88.1 ... ecology of toothfish. Updated spawning ogives for males and females support the currently used values ...

   Meeting Document : WG-FSA-12/40 : Author(s): S. Parker and P. Marriott (New Zealand)

6. Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys

   around the coasts of the South Shetland and South Orkney Islands. Krill catches in these zones are shown ... , probably as a result of more variable hydrographic conditions. About 50% of the catch in Subarea 48.1 from ... December to March was taken within 40 km of the coast, and 90% within 80 km in all years 1988-1990. In 1987 ... and 1988 75% of the catch in Subarea 48.2 between December and March was taken within 80 km of ...

   Meeting Document : WG-KRILL-92/19 : Author(s): D.J. Agnew (Secretariat)

7. Mackerel icefish Champsocephalus gunnari in the diet of upper trophic level predators at South Georgia: implications for fisheries management

   fisheries. Data on the frequency and size structure of C. gunnari in the diet of Antarctic fur seals ... 1993, 1996, 1999 and 2001. A recruitment index based on the contribution by mass of the 1+ age-class in ... the diet of gentoo penguins indicated a higher degree of variability in recruitment than in considered ... in the diet of upper trophic level predators at South Georgia: implications for fisheries management ...

   Meeting Document : WG-FSA-03/74 : Author(s): K. Reid, S. Hill and T. Diniz (United Kingdom)

8. A revised estimate of short-term yield for the mackerel icefish (Champsocephalus gunnari) off Heard Island based on a trawl survey in 1998

   Shell Bank) in the vicinity of Heard Island enabled a revised estimate of yield for the coming 2 seasons ... in 1999 and 2000. While the abundances of icefish are lower in 1998 than in 1997, the Age 3 and Age 4 ... tonnes for 2000. These figures may need to be re-evaluated in light of known catches in the 1998 season ... since the survey. Estimates of yield were not made for Shell Bank given the very low abundance in this ...

   Meeting Document : WG-FSA-98/54 : Author(s): A. Constable and D. Williams (Australia)

9. A possible framework in which to consider plausible models of the Antarctic marine ecosystem for evaluating krill management procedures

   limit in Area 48 that will be highly likely to achieve the objectives of the convention despite the ... uncertainties in knowledge. This will be part of the management procedure governing the krill fishery. The ... procedures in a simulation framework, using plausible models of the Antarctic marine ecosystem. This paper ... aspects of model development. Part 1 outlines the issues to consider in assessing the requirements of ...

   Meeting Document : WG-EMM-04/24 : Author(s): A. Constable (Australia)

10. Research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in Division 58.4.1

    Abstract:  The current season (2015/16) is the first one of the second three-season research in ... estimated following the procedure recommended at the WG-FSA in 2013 in order to maximize the expectation of ... of Japan Title:  Research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in ... data-poor fisheries. In the present report, the next season research plan in Division 58.4.1 was made ...

    Meeting Document : WG-SAM-16/04 : Author(s): Delegation of Japan

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