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1. Antarctic krill, Euphausia superba Dana, demography studies in the seas of Sodruzhestvo and Cosmonauts (Indian Ocean sector of Antarctica)

   are noted between E.superba age composition and its spawning efficiency in coastal areas of the Seas ... are noted between E.superba age composition and its spawning efficiency in coastal areas of the Seas ... , duration of E.superba life cycle somewhat exceeds 5 years in the Sea of Cosmonauts and 6 years in the Sea ... of Sodruzhestvo. E.superba growth rate ranges from 0.126- 0.133 mm per day in the first year 0f life to 0.028 ...

   Meeting Document : WG-KRILL-93/45 : Author(s): E.A. Pakhomov (Ukraine)

2. Broadbandwidth sound scattering and absorption from krill (Meganyctiphanes norvegica), Mysids (Praunus flexuousus and Neomysis integer) and shrimp (Crangon crangon)

   (Meganyctiphanes norvegica) over the acoustical bandwidth of 30 to 210 kHz and compared to similar scattering ... derived with the generic krill shape and scaled to animal length (L). This implies that crustacean target ... of the animal. Collectively, these results provide tools for improving the detection of krill and more accurate ... ) over the acoustical bandwidth of 30 to 210 kHz and compared to similar scattering measurements made ...

   Meeting Document : WG-EMM-04/40 : Author(s): S.G. Conti, D.A. Demer (USA) and A.S. Brierley (United Kingdom)

3. Age Determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula Subarea (Subarea 48.1)

   Abstract:  Age determination was carried out on Notothenia gibberifrons specimens collected at two ... from the difficulty to differentiate false from annual checks in scales. Age determination by otolith ... cross sections proved to be the most reliable method. Mean length data at age presented here for Low ... Peninsula Subarea smaller than those around South Georgia at the same age group. Likewise, our values ...

   Meeting Document : WG-FSA-88/15 : Author(s): E. Barrera-Oro (Argentina)

4. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea for the years 1997–98 to 2010–11

   Abstract:  We provide an update of the Bayesian sex and age structured population stock assessment ... 88.2A–B), using revised catch, catch-at-age, and tag-recapture data for the 2010–2011 seasons. The 2011 ... We provide an update of the Bayesian sex and age structured population stock assessment model ... ;B), using revised catch, catch-at-age, and tag-recapture data for the 2010–2011 seasons. The 2011 ...

   Meeting Document : WG-FSA-11/42 : Author(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)

5. Revised input parameters and implications for the Antarctic toothfish (Dissostichus mawsoni) stock assessment in Subareas 88.1 and 88.2

   -weight relationships, catch-at-length and catch-at age. In addition, we report some preliminary model ... modelling parameters, and methods for calculating age- and length-frequencies. Most of these changes did ... relationships, catch-at-length and catch-at age. In addition, we report some preliminary model runs ... , as are some modelling parameters, and methods for calculating age- and length-frequencies. Most ...

   Meeting Document : WG-SAM-07/6 : Author(s): A. Dunn and S.M. Hanchet (New Zealand)

6. Declining trend in the abundance of fjord fish of the species Notothenia rossii marmorata and Notothenia gibberifrons observed at two localities of South Shetland Islands

   , in 1989. The analysis was based on the proportion of catches of the mentioned species in relation ... published data obtained at close localities in the 60’s and 70’s, also shows a marked declination ... . The analysis was based on the proportion of catches of the mentioned species in relation to Notothenia neglecta ... , a species with similar ecological habits in the fjords. Comparison with analogous published data obtained ...

   Meeting Document : WG-FSA-90/14 : Author(s): E. Barrera-Oro and E. Marschoff (Argentina)

7. Population of macaroni penguins Eudyptes chrysolophus at Marion Island, 1994/95 to 2002/03, with information on breeding and diet

   , macaroni penguins usually breed for the first time when aged about three years. From 1994/95–2002/03, pairs ... penguins usually breed for the first time when aged about three years. From 1994/95–2002/03, pairs fledged ... decrease of 88% between 1979/80 and 2002/03, most of the decrease occurring after 1983/84. At Marion Island ... fledged on average 0.46 chicks per year, an amount thought insufficient to maintain the population ...

   Meeting Document : WG-EMM-03/15 : Author(s): R.J.M. Crawford, J. Cooper and B.M. Dyer (South Africa)

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

   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 ... increased strongly in the years autolines operated. Skate bycatch was higher in the b_2 region, particularly ... in the eastern part, where unusually high concentrations of Pennatulacea (Sea pens) where reported in 2018 ...

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

9. Age determination of Antarctic krill using size, fluorescence, and image analysis techniques

   methods indicate 6 year classes for adult krill. Correspondence between the ages determined by the two ... constructed to relate the image analysis parameters to age approached 90% for the ages defined by length ... indicate 6 year classes for adult krill. Correspondence between the ages determined by the two techniques ... to relate the image analysis parameters to age approached 90% for the ages defined by length frequency ...

   Meeting Document : SC-CAMLR-VI/BG/48 : Author(s): M.S. Berman, A.L. McVey and G. Ettershank (USA)

10. New data on spawning, hatching and growth of the Kerguelen Islands Champsocephalus gunnari shelf stock

    Abstract:  Combined studies on the inner shelf and outer shelf of the Kerguelen islands (1989/90 ... programme allows to identify each year, both from the ichthyoplanktonic surveys and bottom trawlings ... in the samples along the study. It would explain the previouly observed three years cycle. Spawners have been ... Combined studies on the inner shelf and outer shelf of the Kerguelen islands (1989/90 to 1992/93 ...

    Meeting Document : WG-FSA-94/9 Rev. 1 : Author(s): G. Duhamel (France)

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