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1. A development of catch per unit effort (CPUE) trends that may be useful in stock assessment for Dissostichus mawsoni in Subarea 48.6

   these data to extract annual time series trends that may be of use in the fitting of stock assessment ... models for Dissostichus mawsoni (D. mawsoni) in the area.  The entire fishing area in 48.6 which is ... subarea. The trends from these models reflect stable to a slight increase in CPUE since 2013 which might ... development of catch per unit effort (CPUE) trends that may be useful in stock assessment for Dissostichus ...

   Meeting Document : WG-SAM-2019/37 : Autor(es): S. Somhlaba, K. Leach, M. Bergh, T. Okuda, T, IIchi, R. Sarralde and T. Namba

2. Reports on abundance and biological information of toothfish in Division 58.4.4a & b by Shinsei Maru No. 3 in 2012/13 season

   of Dissostichus eleginoides (excluding those tagged and released) was 31.1 tonnes in the survey area ... good physical condition constituted 31.6 and 27.1 % of the total catch in SSRUs C and D, respectively ... captured by using the normal trotline system. A total of 233 fish of D. eleginoides in good physical ... from 64 longline sets. Mean CPUEs in terms of weight of D. eleginoides was 70.6 kg / km (CV = 79.1 ...

   Meeting Document : WG-SAM-13/20 : Autor(es): K. Taki, T. Ichii, T. Iwami and M. Kiyota (Japan)

3. Movements of tagged Antarctic toothfish (Dissostichus mawsoni) in Subarea 48.6 in relation to stock structure hypotheses

   48.6 in relation to life history hypotheses. Most of long-distance movements occurred in westward ... feeding grounds, respectively, have been observed to date. The lack of tag movement between the two areas ... is similar to those observed in the Amundsen Sea region (SSRUs 88.2C-H) where few tags move between ... Abstract:  We examined movements of tagged Antarctic toothfish (Dissostichus mawsoni) for subarea ...

   Meeting Document : WG-FSA-2019/05 : Autor(es): T. Ichii, M. Okazaki, T. Okuda and S. Somhlaba

4. Effects of variability in prey abundance on reproduction and foraging in chinstrap penguins (Pygoscelis antarctica)

   contend with large interannual fluctuations in prey availability and hence the cost of chick provisioning ... abundance of Antarctic krill Euphausia superba in the vicinity of Seal Island, South Shetland Islands, 1990 ... offspring provisioning, the most energetically costly component of seabird parental care, adults need to ... somewhere along the continuum between maintaining constant investment in foraging effort between years and ...

   Meeting Document : WG-EMM-06/P6 : Autor(es): D.A. Croll, D.A. Demer, R.P. Hewitt, J.K. Jansen, M.E. Goebel and B.R. Tershy (USA)

5. Operation results of Ukrainian vessels at Antarctic krill fishery in Subareas 48.2 and 48.3 in March-June 1994. Krill size composition

   , YugNIRO scientist is on board the latter one. The fishery and scientific information given in this paper ... is based on operative data. That is why some correction of these data is possible after the ... results of Ukrainian vessels at Antarctic krill fishery in Subareas 48.2 and 48.3 in March-June 1994 ... Abstract:  In 1993 Ukraine has recommenced krill fishing which was terminated in 1993. It is ...

   Meeting Document : WG-Krill-94/33 : Autor(es): V.A. Bibik and V.N. Yakovlev (Ukraine)

6. Revised research program of Ukraine in Subarea 48.1 in 2018

   longline in the eastern part of Subarea 48.1. Author(s):  Delegation of Ukraine Title:  Revised research ... program of Ukraine in Subarea 48.1 in 2018 Approval:  Approved Secretariat Workflow Status:  Content ... Abstract:  Ukraine proposes to carry out a scientific survey of Dissostichus spp. by bottom ...

   Meeting Document : WG-FSA-17/32 : Autor(es): Delegation of Ukraine

7. Sighting of marine debris during aerial marine mammal surveys conducted in Antarctic waters in austral summer 2010/11

   mammal surveys from helicopters west of the Antarctic Peninsula. Author(s):  L.S. Lehnert, K.-H. Kock and ... Abstract:  This report briefly describes observation of floating marine debris made during marine ... U. Siebert (Germany) Title:  Sighting of marine debris during aerial marine mammal surveys conducted ... in Antarctic waters in austral summer 2010/11 Approval:  Approved ...

   Meeting Document : WG-IMAF-11/12 : Autor(es): L.S. Lehnert, K.-H. Kock and U. Siebert (Germany)

8. FLYING SEABIRDS IN AREA 48; A REVIEW OF POPULATION ESTIMATES, COVERAGE AND POTENTIAL GAPS IN SURVEY EXTENT AND METHODS

   between species across their breeding ranges in Area 48. Most population estimates reviewed date from the ... IN AREA 48; A REVIEW OF POPULATION ESTIMATES, COVERAGE AND POTENTIAL GAPS IN SURVEY EXTENT AND ... Abstract:  Published accounts of population surveys and population estimates for flying seabirds ... across Area 48 are reviewed. Spatial coverage of count data and population estimates varies greatly ...

   Meeting Document : WG-EMM-PSW-08/10 : Autor(es): D. Wilson (Australia)

9. Modelling growth and reproduction of Antarctic krill: implications of spatial and temporal trends in temperature and food for ecosystem-based management of krill fisheries

   Abstract:  Errors in the growth model used in stock assessments of Antarctic krill, specifically ... higher rates of growth than occur in reality, could inadvertantly lead to over-exploitation of the krill ... generally applied under spatially and temporally varying conditions.  In the context of assessments of ... .  The current uncertainty in many of the parameter values could be included in the Monte Carlo ...

   Meeting Document : WG-EMM-12/38 : Autor(es): A.J. Constable and S. Kawaguchi (Australia)

10. Growth of mackerel icefish (Champsocephalus gunnari) and age-size composition of populations in subarea of South Georgia

    were studied for different periods. The analysis of age composition of icefish in subarea 48.3 showed ... represented by fish of two contiguous age groups. It was shown that in the 1980s during a number of years the ... and 48.1 did not reveal any significant differences. The relatively high growth rate of icefish in ... growth in different regions of the South Atlantic in that time. Author(s):  K.V. Shust and E.N ...

    Meeting Document : WG-EMM-03/60 : Autor(es): K.V. Shust and E.N. Kuznetsova (Russia)

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