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1. Results of the seventh Ross Sea shelf survey to monitor abundance of Antarctic toothfish in the southern Ross Sea, January 2018, and notification for research in 2018/19

   abundance from a well-designed survey would be a useful input into the Ross Sea stock assessment model. In ... this paper we provide results of the seventh annual survey in the time series. The objectives of this ... survey included monitoring sub-adult (≤ 110 cm TL) toothfish in the south of SSRUs 881.J and 881.L in the ... southern Ross Sea (Strata A–C) using standardised gear in a standardised manner; and monitoring trends in ...

   Meeting Document : WG-SAM-18/10 : Автор(ы): D. Stevens, X. Fu, S. Mormede and S. Parker

2. Revised research plan for toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2011/12

   Abstract:  A tagging survey in SSRUs B and C in Division 58.4.4 a & b was initiated in the ... structure, size, movement and growth of Dissostichus spp. in the centred area of Division 58.4.4 a & b ... . An approximate stock biomass level of Dissostichus spp. in the survey area (SSRUs B and C in Division ... analyzed at WG-FSA in 2010 (1580 and 3036 ton), although the 95 % confidence intervals were wide due to ...

   Meeting Document : WG-FSA-11/15 Rev. 1 : Автор(ы): K. Taki, T. Iwami and M. Kiyota (Japan)

3. Results of the groundfish survey carried out in CCAMLR Subarea 48.3 in January 2010

   Abstract:  In January 2010, the UK carried out the annual groundfish survey in CCAMLR Sub-Area ... , representing an increase in effort overall compared with surveys carried out in 2008 and 2009 on the same ... dominated the population, 2+ and 1+ sized fish were also present, and in larger proportions than in 2009. A ... and low availability of krill to mackerel icefish in the area (evidenced by dietary analysis) in 2009 ...

   Meeting Document : WG-FSA-10/38 : Автор(ы): R.E. Mitchell, M. Belchier, S. Gregory, L. Kenny, J. Nelson, J. Brown and L. Feathersone (UK)

4. By-catch in the Australian fisheries in Division 58.5.2

   Abstract:  This paper presents bycatch information for the Australian fisheries in Divisions ... 58.5.2 for the 2003/2004 and 2004/2005 seasons. Bycatch in the trawl fisheries was low, generally less ... than 1% of the total catch (target plus bycatch). Higher percentage bycatch rates occurred in trawling ... grounds where the fishing effort and therefore target catch was low. Bycatch in the longline fisheries was ...

   Meeting Document : WG-FSA-05/68 : Автор(ы): E.M. van Wijk (Australia)

5. Abundance and trends in the breeding population of Adélie penguins (Pygoscelis adeliae) in the western Ross Sea

   in the number of Adélie penguin breeding pairs at colonies in the western Ross Sea.  High angle ... 2012, and counted.  On average 870,465 pairs of Adélie penguins breed in the western Ross Sea each ... , 2001-2010.  In contrast, a single declining trend line best represented the number of breeding pairs at ... indicative of direct density dependence in the number of pairs returning to the colony each year.  In recent ...

   Meeting Document : WG-EMM-13/30 : Автор(ы): P. O’B. Lyver, M. Barron, K.J. Barton, S. Gordon (New Zealand), D. Ainley, A. Pollard (USA), P.R. Wilson and M.H. Pinkerton (New Zealand)

6. Variability in krill length distribution in 48.1 derived from data collected by scientific observers

   Abstract:  Information on the length distribution of krill in the catch, and the spatial and ... temporal patterns of krill length in the population is essential to assess krill population status and ... generalised additive mixed models (GAMM) to evaluate the spatial and temporal patterns of length in Antarctic ... krill (Euphausia superba) in CCAMLR Subarea 48.1 derived from data collected by scientific observers ...

   Meeting Document : WG-EMM-15/16 : Автор(ы): P. Ziegler, S. Kawaguchi D. Welsford and A. Constable (Australia)

7. Mitigation of Macrourus by-catch in research block 58.4.1_6 and estimation of Macrourus biomass and sustainable catch in Divisions 58.4.1 and 58.4.2

   Abstract:  Macrourus spp. are the major by-catch species in the exploratory toothfish fishery in ... exploratory fishing for D. mawsoni on Macrourus spp. in Division 58.4.1 and 58.4.2 in general and in research ... block 58.4.1_6 in particular. We investigate the distribution of D. mawsoni and Macrourus spp. catch ... rates in research block 58.4.1_6, and conclude that the current research grid includes fishing locations ...

   Meeting Document : WG-FSA-17/23 : Автор(ы): D. Maschette, P. Burch, P. Yates and P. Ziegler

8. The results of investigations of the feeding of Antarctic toothfish D. mawsoni in the Ross Sea in 2005/06

   December to March during the two fishery seasons (2004-2005 and 2005-2006) in different fishing areas of ... the Ross Sea located between 67°S to 76°S. 192 longline settings were made. In total, over two seasons ... 3000 stomachs (1913 stomachs in 2005 and 1087 ones in 2006) were analyzed. In 2005 fish was caught at ... to 123 kg. In 2006 Antarctic toothfish was caught at depths of 478-1702 m and its TL ranged from 49 ...

   Meeting Document : WG-FSA-06/17 : Автор(ы): A.F. Petrov (Russia)

9. Krill population dynamics in the Scotia Sea: variability in growth and mortality within a single population

   by regional differences in the 11 processes that govern population structure. The influence of ... regional differences in growth and mortality on population size 12 structure was examined using data on the ... length–frequency distribution of krill in the Scotia Sea using samples from the South 13 Shetland Islands ... the 14 higher growth rate at South Georgia, produced a consistent similarity in the position of the ...

   Meeting Document : WG-EMM-02/16 : Автор(ы): K. Reid, E.J. Murphy (United Kingdom), V. Loeb and R.P. Hewitt (USA)

10. Temporal variability in Adélie penguin CEMP parameters and their response to changes in prey availability

    population parameters which are thought to be sensitive to changes in prey availability: breeding success ... the duration of early and late stage foraging trips. For example, low breeding success was recorded in ... period and heavy fledglings. These results may indicate changes in the relative level of resource ... guard stage and elevated during the crèche stage). The overall temporal variability across years in ...

    Meeting Document : WG-EMM-12/22 : Автор(ы): L. Emmerson and C. Southwell (Australia)

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