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1. Report on fishing effort and seabird interactions during the season extension trials in the longline fishery for Patagonian toothfish (Dissostichus eleginoides) in Statistical Division 58.5.2

   vessel to demonstrate full compliance with Conservation Measure 25-02 in the previous season be removed ... Abstract:  Minimising seabird interactions with longline operations is a key objective of the ... extension trials, in addition to an existing post-season (1-14 November) extension trial. We recommend that ... the three season extension trial periods be added to the existing season extensions for the fishery ...

   Meeting Document : WG-FSA-2019/31 : Autor(es): P. Ziegler, T. Lamb, S. Wotherspoon and J. Dell

2. Modelling egg and larval transport of Antarctic Toothfish (Dissostichus mawsoni) in the East Antarctic region: Plan

   Abstract:  Antarctic Toothfish (Dissostichus mawsoni) is one of the target species that CCAMLR ... and difficulties of in situ observations, life cycle with their spatial and temporal distribution is ... yet to be fully understood. Especially in early life stage, the process of successful egg/larval ... . Mizobata, T. Okuda and T. Ichii Title:  Modelling egg and larval transport of Antarctic Toothfish ...

   Meeting Document : WG-SAM-2019/20 : Autor(es): M. Mori, K. Mizobata, T. Okuda and T. Ichii

3. A multi-frequency method for improved accuracy and precision of in situ target strength measurements

   from one of the split-beam transducers, additional corresponding TS measurements can be collected with ... provided information about the identity of constituents in a mixed species assembly. Author(s):  Hewitt ...

   Meeting Document : WG-EMM-97/24 : Autor(es): Hewitt, R.P., Soule, M.A., Demer, D.A.

4. Occurrence of Antarctic krill (Euphausia superba) concentrations in the vicinity of the South Shetland Islands: relationship to environmental parameters

   , showing that the latter may also be a favored spawning area because of the higher probability of survival ... of oceanographic features that led to their retention in these zones. Author(s):  T. Ichii, K ... the occurrence of high krill concentrations in these waters. Drifting buoys indicated that the surface ... water circulation in areas of krill concentrations was characterized by a sluggish current with eddies ...

   Meeting Document : WG-EMM-98/18 : Autor(es): T. Ichii, K. Kayatama, N. Obitsu, H. Ishii and M. Naganobu (Japan)

5. On the very high likelihood of bycatch of ice krill (Euphausia crystallorophias) in the present-day fishery for Antarctic krill (E. superba)

   . superba). Furthermore there seemed to be little confidence amongst participants that under present ... observer practice any such bycatch would be detected – this despite the fact that fishers are obligated as ... fishery operates in geographic areas that overlap with the known range of Ice krill, that Ice krill and ... companies (ARK), the Marine Stewardship Council (MSC) and CCAMLR, it became apparent that no bycatch of Ice ...

   Meeting Document : WG-EMM-18/05 : Autor(es): A.S. Brierley and R. Proud

6. Direct ageing of Antarctic krill (Euphausia superba) – potential utility of eyestalk sections for age determination

   superba). Recent studies (Kilada et al. 2012), have shown that annular growth bands are present in the ... examined and were determined to show distinct bands within the endocuticle consistent with their known age ... to 2014) using this technique to determine whether annuli could be resolved in wild samples across ... seasons.  Marks consistent with annuli observed in laboratory raised krill were observed. Length at age ...

   Meeting Document : WG-EMM-15/45 : Autor(es): C. Reiss (USA), R. Kilada (Canada) and S. Kawaguchi (Australia)

7. REPORT ON A LONGLINE SURVEY CONDUCTED BY THE FV JANAS IN MAY 2008 ON BANZARE BANK, AND AN ASSESSMENT OF THE STATUS OF DISSOSTICHUS SPP. IN DIVISION 58.4.3B

   that the D. mawsoni population is almost entirely large mature fish with a bias towards males, which ... characteristics of the two species of Dissostichus indicate that species specific management should be considered ... , ranging between 0 and 225 kg.1000 hooks-1, consistent with toothfish being depleted to low densities ... , with D. mawsoni found across the entire survey area while D. eleginoides was mainly found on the ...

   Meeting Document : WG-FSA-08/57 : Autor(es): D. Welsford, T. Robertson and G. Nowara (Australia)

8. Factors influencing Antarctic krill distribution in the South Shetlands

   factors were considered to be responsible for this characteristic distribution of krill. Diatoms were the ... . Hence, higher diatom biomass may be one of factors forming krill concentrations in the inshore and ... . The frontal zone was considered to be favorable spawning ground for krill: not only because of the ... chance of larvae's being transported to their nursery ground. Based on above mentioned factors, we ...

   Meeting Document : WG-KRILL-93/38 : Autor(es): T. Ichii, H. Ishii and M. Naganobu (Japan)

9. Ecosystem modelling for the Antarctic krill fishery

   but there is concern that the reduction in krill biomass due tome fishery may have impacts on other ... . This can be achieved by studying community interactions, such as those between predators and preys, as ... University of Concepcion, Chile with the Fisheries Centre at University of British Columbia, Canada. In a ... pilot study Ecopath with Ecosim 4.0 is being used to develop two mass-balance models of the Antarctic ...

   Meeting Document : WG-EMM-01/65 : Autor(es): T. Antezana, J. Cornejo, E. Bredesen, P. Faundez (Chile), A.W. Trites and T. Pitcher (Canada)

10. Diet composition of Champsocephalus gunnari in Subarea 48.3, Dr Eduardo Holmberg survey, February/ March 1994

    summer season; a fact that might be related with a significant change in surface temperature observed ... the coefficient Q (%) showed a greater importance of T. gaudichaudii with respect to krill. It is ... Georgia, in parallel with the virtual absence of mysids and Thysanoessa spp.. Krill was available for fish ... possible that the inconsistencies found between the results obtained by both methods are due to a ...

    Meeting Document : WG-FSA-94/27 : Autor(es): E. Barrera-Oro, R. Casaux and A. Roux (Argentina)

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