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1. Comparative biological characteristics of Electrona carlsbergi (Tåning) (Myctophidae) from the notal and Antarctic areas in the Southern Ocean Atlantic sector

   length of fish from the Antarctic area increased while drifting eastward in the Antarctic circumpolar ... current waters. Fish specimens from 62 to 97 mm long were registered in catches. About 95% of specimens ... analysed were at age 2 to the west of 35°W and 3 yr old specimens, the portion of which made up to 40% in ... catches, occurred in much high amount to the east of 30°W. In the notal area the length of E. carlsbergi ...

   Meeting Document : WG-FSA-90/21 : Author(s): K.V. Gorchinsky, V.M. Kiseleva and A.A. Filin (USSR)

2. Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2016–2017

   the relative abundance of sub-adult (<110 cm TL) toothfish in the core strata (A, B, C) in SSRUs ... toothfish in McMurdo Sound following the recommendations of WG-FSA (SC-CAMLR-XXXIII, Annex7, para 5.108) and ... Terra Nova Bay where substantial numbers of larger sub-adult and adult toothfish were captured in the ... basis, it is proposed that these two areas be surveyed in alternate years. Therefore, it is proposed to ...

   Meeting Document : WG-SAM-15/45 : Author(s): S.M. Hanchet, S.J. Parker, S. Mormede and R.J.C. Currey (New Zealand)

3. Revised assessment models for Patagonian toothfish in research block 58.4.4b_1 (SSRU 58.4.4bC) for the years 1990–2014

   status assessments of Dissostichus eleginoides in the research block 58.4.4b_1 in the last WG-SAM meeting ... plausible model was considered as OB_1b model, which removed tag and CPUE observations in 2008, because the ... fits to CPUE in 2008 and MPD profiles for tags in the same year was spurious in OB_1a model which ... data in 2008 for OB_1b and other relevant models following the recommendations. The total IUU catches ...

   Meeting Document : WG-FSA-15/23 : Author(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)

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

   Abstract:  The longline fisheries for Antarctic toothfish (Dissostichus mawsoni) in subareas 88.1 ... and 88.2 have provided more than a decade of observations to aid in understanding the life history and ... fish developing to spawn in the upcoming season. Evidence is accumulating that almost all Antarctic ... toothfish in the northern SSRUs have spawned in the previous season and are preparing to spawn in the ...

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

5. Length composition, sex ratio, and pre-spawning migration of Dissostichus eleginoides in Subarea 48.3 during 1995

   in 1994/95 took place in two major fishing grounds, West of Shag Rocks (Wshag) and North-West of ... South Georgia (NWSG). In March there was a high proportion of large females at Wshag (72%) but a nearly ... Wshag in April reduced the mean length in the catch and increased CPUE (numbers of fish per hook ... ), although sex ratio remained biassed in favour of females. Similar changes in mean length and CPUE were not ...

   Meeting Document : WG-FSA-95/27 Rev. 1 : Author(s): Agnew, D.J.

6. A characterisation of the toothfish fishery and tagging programme in the Amundsen Sea region (SSRUs 88.2C–H) through 2015–16

   programme in the Amundsen Sea Region (SSRUs 88.2C–H) up to and including the 2015/16 fishing year. A ... research plan was implemented in the region beginning in 2014/15 to concentrate fishing in the South (SSRUs ... 88.2C-G) into four smaller research blocks in order to increase the likelihood of recaptures of ... previously tagged toothfish. In 2015/16, a total of 9 inter-season tagged fish were recaptured in these ...

   Meeting Document : WG-FSA-16/45 : Author(s): K. Large, S. Parker and S. Hanchet

7. Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?

   format to explain the management of the Antarctic krill (Euphausia superba) fishery in the subareas 48.1 ... new, precautionary assessment of exploitation rate in this fishery. The effective regional catch limit ... (or “trigger level”), established in 1991, is 0.62 million tonnes year-1, equivalent to ~1% of the ... regional biomass estimated in 2000. Additional subarea catch limits were established in 2009. There is some ...

   Meeting Document : WG-EMM-16/21 : Author(s): S. Hill, A. Atkinson, C. Darby, S. Fielding, B. Krafft, O.R. Godø, G. Skaret, P. Trathan and J. Watkins

8. Marine mammals and demersal longlines fishery interactions in Crozet and Kerguelen Exclusive Economic Zones: an assessment of the depredation level

   vessels, catching Patagonian tooshfish in the Crozet and Kerguelen Exclusive Economic Zones, between 2003 ... and 2005. In Crozet waters, 71% of the 1308 longlines presented marine mammals interactions with ... killer whales and/or sperm whales. On the other hand, fur seals and/or sperm whales were present in 54 ... % of the 6262 longlines monitored in the Kerguelen waters. Interactions occurred over the whole fishing ...

   Meeting Document : WG-FSA-06/63 : Author(s): C. Roche, N. Gasco, G. Duhamel and C. Guinet (France)

9. Developing robust biomass estimates and advice on catch limits in research blocks

   Abstract:  In 2016, changes to the methods used by CCAMLR to estimate biomass in research blocks ... resulted in conflicting estimates of biomass between the CPUE by seabed area and the Chapman estimate. The ... different biomass estimates be provided. In this paper, we develop a modified CPUE by seabed area method ... that improves on the original CPUE by seabed area method for toothfish populations in research blocks ...

   Meeting Document : WG-SAM-17/37 : Author(s): S.J. Parker, S. Mormede, A. Dunn, S.M. Hanchet and C. Marsh

10. Research plan for the 2018/19 exploratory longline fishery of D. mawsoni in Subarea 48.6 by Spain

    ZAF is presented.  In the SC-2017 report, the Scientific Committee noted that the future inclusion of ... an ice strengthened vessel, in an expanded research plan for this area, would address the capacity ... recommended that research in this subarea should continue, focussing on D. mawsoni in research blocks 486_2 to ... 486_5 (parag 3.112). Taking into account the above recommendations made by CCAMLR WGs and SC and in ...

    Meeting Document : WG-SAM-18/02 : Author(s): Delegation of Spain

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