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1. Distribution, density and relative abundance of Antarctic krill estimated by maximum likelihood geostatistics on acoustic data collected during commercial fishing operations

   time periods. The results suggest that this method, combined with some additional design based coverage ... last one, were also consistent with the full data (monthly) estimate. Highly variable and lower ... by the fishing vessels, can be useful to obtain quantitative evaluations of krill density and ...

   Meeting Document : WG-EMM-16/P12 : Autor(es): E.J. Niklitschek and G. Skaret

2. Investigating the uncertainty of age determinations for Patagonian toothfish (Dissostichus eleginoides) and the implications for stock assessment

   aggregate into the plus group, negative errors are truncated below the minimum age, and fish with true ages ... expanded the reference collection to include an additional 50 otoliths with a mean age above 25 years. The ... matrix.We assessed misclassification matrices obtained using the revised Candy method along with two other ... of variation (c.v.) of 0.1. We compared the misclassification matrices with the observed age ...

   Meeting Document : WG-FSA-14/46 : Autor(es): P. Burch, P. Ziegler, W. de la Mare and D. Welsford (Australia)

3. Investigation of the sensitivity of the Ross Sea toothfish assessment to withholding subsets of the available data

   the effect of not updating an assessment every year, and also the evolution of stock assessments with ... that were used to set the precautionary yields for each fishery in 2009. The change in the biomass ... estimated by the models arising from withholding data was found to be highest in the earlier years of stock ... years, the change in estimated biomass arising from withholding data was much smaller, with values ...

   Meeting Document : WG-SAM-11/17 : Autor(es): S. Mormede (New Zealand)

4. Informing the Working Group on Fish Stock Assessment about the revisions of the WSMPA proposal

   proposal, which would fall under the remit of, or might be of interest to participants at FSA 2018 ... reference areas could be used for comparative studies into the potential impacts of D. mawsoni fishing ... , H. Pehlke and T. Brey on behalf of the German Weddell Sea MPA project team Title:  Informing the ...

   Meeting Document : WG-FSA-18/08 Rev. 1 : Autor(es): S. Hain, K. Teschke, H. Pehlke and T. Brey on behalf of the German Weddell Sea MPA project team

5. Analysis of scientific observer data from the Saga Sea 2006–2007

   distribution of these trawls in time and space was not random. The vessel tended to fish with one trawl type ... . There did not appear to be a consistent difference between the size of krill caught by conventional and ... comprehensive to allow a robust analysis of larval fish bycatch data. However, the results to date suggest that ...

   Meeting Document : WG-EMM-07/16 : Autor(es): P. Orr, J. Hooper, D. Agnew, J. Roe, G. Doherty and A. Pryor

6. Results of the scientific research survey in CCAMLR Subarea 88.3 in the 2004/05 season

   approved at CCAMLR XXIII, research activities were completed with 10 research hauls, temperature profiling ... survey are limited, they do suggest that further research activity is required in Subarea 88.3 before any ... fishing activity be permitted. Author(s):  G. Patchell (New Zealand) Title:  Results of the scientific ...

   Meeting Document : WG-FSA-05/53 : Autor(es): G. Patchell (New Zealand)

7. ASOC evaluation of the CDS

   is concerned that the CDS lacks a verification procedure, explicit actions to be taken upon discovery ... Secretariat, and an enforcement protocol to monitor compliance with CCAMLR’s Conservation Measures. CCAMLR ...

   Meeting Document : CCAMLR-XX/BG/20 : Autor(es): Submitted by ASOC

8. Possible causes of variation of Champsocephalus gunnari vertical and horizontal distribution

   Abstract:  C.gunnari form no aggregations during wintering period and inhabit places that are ... . It is not recommended to make stock assessment of fish yielded with bottom fishing gear, as in this ... gradually move to wintering areas. They can also be fished during such migrations. Author(s):  Zh.A ...

   Meeting Document : WAMI-01/08 : Autor(es): Zh.A. Frolkina and S.M. Kasatkina (Russia)

9. Influence of sampling protocol on diet determination of gentoo penguins, Pygoscelis papua and Antarctic fur seals, Arctocephalus gazella

   . The collection of diet samples on three occasions over a two week period was compared with collecting ... differences between sampling protocols. This study has shown that differences between sampling frequencies are ... . Mass of sampled individuals can account for significant variation and should be recorded, especially if ...

   Meeting Document : WG-EMM-99/29 : Autor(es): S.D. Berrow, R.I. Taylor and A. Murray (United Kingdom)

10. By-catch of fish during a 1995/96 deep-sea longline experimental fishing cruise off the Kerguelen Islands (Division 58.5.1)

    1996. The by-catch has been identified with 10 species of fish reaching a important part (36,1%) of the ... and Lamna nasus on longline caught D. eleginoides must be considered as not negligeable. Geographical ... follow the differences. Size distribution in the main by-catch species show that some, like the ...

    Meeting Document : WG-FSA-96/36 : Autor(es): Pruvost, P., Duhamel, G.

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