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1. Larval development and spawning ecology of euphausiids in the Ross Sea and its adjacent waters in 2004/05

   no juveniles occurred concurrently. Thus the slope does not appear to be a nursery ground for this ... . The intense spawning of E. crystallorophias and E. superb coincided with a period of development of a ...

   Meeting Document : WG-EMM-10/P06 : Autor(es): K. Taki, T. Yabuki, Y. Noiri, T. Hayashi and M. Naganobu

2. Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia

   line of a large number of toothfish, usually depressing CPUE by about 50%. Sperm whales occur in ... smaller pod sizes, normally between 1 and 4 animals and have a relatively lower impact on catches ... without the presence of cetaceans, accounting for other determinants of toothfish CPUE through a ...

   Meeting Document : WG-FSA-10/P06 : Autor(es): J. Moir Clark and D.J. Agnew

3. Analysis of variability of krill size and fish by-catch in Japanese krill fishery based on scientific observer data

   –2008 were analysed by using a hierarchical Bayesian model. The models were composed of multistage ... cluster units (i.e., year, sub-area, vessel, cruise, and haul) based on a state-space model, separating ... objective of a study with considering the cost of observer deployment. Author(s):  T. Okuda and M. Kiyota ...

   Meeting Document : WG-EMM-12/68 : Autor(es): T. Okuda and M. Kiyota (Japan)

4. Decadal trends in abundance, size and condition of Antarctic toothfish in McMurdo Sound, Antarctica, 1972–2011

   Abstract:  We report the analyses of a dataset spanning 39 years of near-annual fishing for ... then decreased. Fish length positively correlated with Ross Sea ice extent in early spring, a ... , and concentrates effort over the ice-free Ross Sea continental slope. As a result of limited prey ...

   Meeting Document : WG-FSA-12/P04 : Autor(es): D.G Ainley, N. Nur, J.T Eastman, G. Ballard, C.L Parkinson, C.W Evans and A.L. DeVries

5. Among-year variation in growth of Antarctic krill Euphausia superba based on length-frequency data

   relied on estimating growth from length-frequency distributions. We developed a general approach for ... Southern Ocean over a span of 19 yr to document among-year variation in krill growth during the austral ... (annual estimates for a 30 mm krill in the Elephant Island region ranged from 0.00 to0.17 mm d −1; mean ...

   Meeting Document : WG-EMM-13/P01 : Autor(es): A.O. Shelton, D. Kinzey, C. Reiss, S. Munch, G. Watters and M. Mangel (USA)

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

   Abstract:  A survey was conducted to collect data of stock status and various biological ... , 2013. A total of 64 research hauls using normal trotline system were made in SSRUs C and D. Total catch ... captured by using the normal trotline system. A total of 233 fish of D. eleginoides in good physical ...

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

7. Decadal trends in the South Georgia demersal fish assemblage

   . georgianus) and a crash followed by a steady recovery of the Humphead notothen (G. gibberifrons). The ... preliminary results are considered in the context of considerable regional ecological change and a massive ...

   Meeting Document : WG-FSA-13/26 : Autor(es): M. Belchier (United Kingdom)

8. Using acoustic echo counting to estimate grenadier abundance in the Ross Sea (SSRU88.1I)

   spatial coverage between years meant that it was not possible to obtain a consistent time-series of ... vessels in SSRU 88.1I. The next step will be to apply to these methods to a wider set of data across the ... Ross Sea fishery and make this available for analysis. Collection of acoustic data from a larger pool ...

   Meeting Document : WG-FSA-14/62 : Autor(es): Y. Ladroit, R.L. O’Driscoll and S. Mormede (New Zealand)

9. Progress in the evaluation of management strategies for the Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region

   account of uncertainties in the assessment of stocks and as a method to ensure robust management ... implemented. To date there have been a number of analyses and simulation studies reported for the assessment ... MSE process. Author(s):  S. Mormede, A. Dunn, S.J. Parker and S.M. Hanchet (New Zealand) Title ...

   Meeting Document : WG-SAM-15/48 : Autor(es): S. Mormede, A. Dunn, S.J. Parker and S.M. Hanchet (New Zealand)

10. Possible options for the future management of the Antarctic krill fishery in Subarea 48.2

    , we suggest that if the krill fishery in Subarea 48.2 is to expand beyond its current level, a new ... suggest that the experimental framework should be a CCAMLR community project involving as many Members as ... possible. This will be necessary if the experimental framework is to have a high probability of success ...

    Meeting Document : WG-EMM-15/10 : Autor(es): P.N. Trathan (United Kingdom), O.R. Godø (Norway) and S.L. Hill (United Kingdom)

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