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1. Report on fish by-catch during exploratory fishing activities in Division 58.4.3a (Elan Bank) between 2008 and 2018

   (Dissostichus eleginoides) last submitted in 2018 by Japan and France in Division 58.4.3a (WG-FSA-18/61). We ... analyzed bycatch composition in number and biomass during the period 2008-2018 to investigate the inter ... , autolines were less selective than trotline. While trotlines had a bycatch-to-catch ratio of 10 to 20 ... %, autolines ratio was up to 70% in some years. Hence, bycatch number and biomass increased strongly the years ...

   Meeting Document : WG-FSA-2019/56 : Author(s): C. Péron, C. Chazeau, N. Gasco and F. Massiot-Granier

2. Improvements to the multiple-frequency method for in situ target strength measurements

   the range resolution of one or more of the frequencies. These improvements are demonstrated through ... of one or more of the frequencies. These improvements are demonstrated through controlled test tank ... synchronized signals from two or more adjacent split-beam transducers of different frequencies which ... transducer. Tolerances for matching target positions at two or more frequencies were determined to be ±0.5 ...

   Meeting Document : WG-EMM-99/38 : Author(s): D.A. Demer (USA) and M.A. Soule (South Africa)

3. Analysis of the diet of Champsocephalus gunnari in Subarea 48.3, in late summer of years 1994–97, Dr E. Holmberg surveys

   in the area of investigation didn't show a consistent pattern from year to year. Likewise, in the four ... in late summer of years 1994-97 was analysed using frequency of occurrence (F%) and coefficient " ... the order of importance of these two organisms in the diet was inverted. The consumption of other prey items ... such as mysids and Thysanoessa sp., which are known as important alternative food in years of krill scarcity ...

   Meeting Document : WG-FSA-97/48 : Author(s): Barrera-Oro, E., Marschoff, E., Casaux, R.

4. Report on fish by-catch during research fishing activities in Division 58.4.4b between 2008 and 2018

   . A large number of skates were caught (up to 1,400 individuals in one year). While most skates were ... . A large number of skates were caught (up to 1,400 individuals in one year). While most skates were ... composition in number and biomass during the period 2008-2018 to investigate the inter-annual variations ... to catch ratio of about 15%, autolines ratio was up to 70% in some years. Hence, bycatch number and biomass ...

   Meeting Document : WG-FSA-2019/53 : Author(s): C. Péron, C. Chazeau, N. Gasco and F. Massiot-Granier

5. Further analysis of spatial patterns of benthic invertebrate habitats from fishery bycatch in the Ross Sea region

   collected for two fishing seasons, with 4 728 longline segments observed. Several regions with consistent ... with no evidence of VME taxa. Identifiable sponge and/or gorgonian habitats occurred at a typical scale of 10-30 km ... VME taxa are detected between 60% and 80% of the time when present, and that probability of detection ... High resolution VME taxa bycatch data (at the longline segment level) have been collected for two ...

   Meeting Document : WG-FSA-10/30 : Author(s): S.J. Parker, R.G. Cole and S.M. Hanchet (New Zealand)

6. Interannual variations of water thermochaline structure on South Georgia Island, South Orkney Islands and Shetland Islands shelves

   between the same. Two year types were revealed in the area of South Orkney Isls. Availability of a warmed ... could be used when analysing krill aggregations' distribution and density for the period of years ... of principal water mass mixing within the area and lack of distinct boundaries between the same. Two year types ... characteristics, T,S diagrams' typification has been realized for hydrological stations carried out ...

   Meeting Document : WG-EMM-00/34 : Author(s): P. Chernyshkov, V. Shnar, O. Berezhinsky and I. Polischuk (Russia)

7. Can we use discriminant function analysis to sex penguins prior to calculating an index of a morphometric parameter?

   the sex of individuals, it is only able to correctly sex a certain proportion of birds. Two overlapping ... functions are able to correctly determine the sex of birds with greater than 80% success the difference ... of knowledge about the sex ratio between years makes combining the data a very doubtful procedure and use ... of individuals, it is only able to correctly sex a certain proportion of birds. Two overlapping normal ...

   Meeting Document : WG-CEMP-92/11 : Author(s): D.J. Agnew (Secretariat)

8. Method for collecting of data on traumatic death of krill passed through the trawl meshes

   of krill individuals some part of them could pass through cover of net bag and escape of catch. In contact ... individuals, passed through meshes of net bag cover of fishing gear was carried out with specially made net ... and R.O. Lebedev (Russia) Title:  Method for collecting of data on traumatic death of krill passed through ... individuals some part of them could pass through cover of net bag and escape of catch. In contact with threads ...

   Meeting Document : WG-EMM-12/43 : Author(s): V.V. Akishin, I.G. Istomin, V.A. Tatarnikov, A.F. Petrov and R.O. Lebedev (Russia)

9. Proposal for a CCAMLR sponsored research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea

   of the survey, the target fish age and length classes to be monitored, appropriate survey strata size ... fish age and length classes to be monitored, appropriate survey strata size and location, the number ... Abstract:  The exploratory fishery for Dissostichus spp. has now been operating for 14 years ... in Subarea 88.1 and for nine years in Subarea 88.2. Associated research has led to an assessment ...

   Meeting Document : WG-SAM-11/16 : Author(s): S.M. Hanchet, S. Mormede, S.J. Parker and A. Dunn (New Zealand)

10. ABUNDANCE AND BIOLOGICAL INFORMATION ON TOOTHFISH IN DIVISION 58.4.4a & b BY SHINSEI MARU NO. 3 IN 2007/08 SEASON

    , Shinsei Maru No. 3, from July 23 to September 27, 2008. The survey was undertaken in two Phases (Phase ... % in numerical number and 90-96 % in weight to the total samples in SSRUs. Mean CPUE of toothfish in number ... 1 and Phase 2, respectively. Mean CPUE of toothfish in weight by SSRU ranged from 64.0 to 80.7 kg / 1,000 ... (10-minute latitude x 20-minute longitude) standard stratification method, mean CPUE for the Division ...

    Meeting Document : WG-SAM-09/10 : Author(s): K. Taki, T. Ichii, M. Kiyota and S. Kawahara (Japan)

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