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1. Assessment models for Patagonian toothfish in Division 58.4.4, SRU C on Ob and Lena Banks for the years 1989/90 to 2012/13

   Abstract:  I revised the CASAL catch-at-length models for stock status assessments of Dissostichus ... eleginoides in SSRUs C in Division 58.4.4 a & b (WG-SAM-13/21) following several advices during the last ... ) instead of separated value for each year, 2)I calculated effective sample size for the proportions-at ... expected proportions, 3)I changed the tagging mortality rate estimate of 0.1 instead of 0.2 because ...

   Meeting Document : WG-FSA-13/35 : Autor(es): K. Taki (Japan)

2. A condensed history and document of the method used by CCAMLR to estimate krill biomass (B0) in 2010

   Abstract:  Antarctic krill (Euphausia superba) are considered to be one of the key species in the ... harvested. The commercial exploitation of krill is managed under the direction of CCAMLR (Commission for the ... Conservation of Antarctic Marine Living Resources), utilising results derived from the CCAMLR generalised yield ... of the krill yield model is an estimate of the pre-exploitation biomass of krill (B 0). The current ...

   Meeting Document : WG-EMM-16/38 : Autor(es): S. Fielding, A. Cossio, M. Cox, C. Reiss, G. Skaret, D. Demer, J. Watkins and X. Zhao

3. Downward adjustments to local catch limits for the krill fishery in Subarea 48.1

   Abstract:  Here we compile four vignettes that, together, provide the basis for making downward ... adjustments to local catch limits for the krill fishery in Subarea 48.1.  We use the term local catch limit to ... refer to a catch limit that applies to a group of SSMUs (gSSMU), and the work presented here is based on ... the gSSMUs defined in another compilation of vignettes (AERD 2016a, pp. 3-13).  We propose downward ...

   Meeting Document : WG-EMM-16/46 : Autor(es): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries

4. Experience with seabird by-catch limits in a trial of longline fishing in the Macquarie Island toothfish fishery

   Abstract:  The Australian Fisheries Management Authority (AFMA) recently granted a permit for a ... trial of longline fishing in the Macquarie Island toothfish (Dissostichus spp.) fishery, which lies just ... outside the CCAMLR Area. Several threatened seabird species, including albatrosses and petrels have very ... fishing vessels. The seabird bycatch mitigation measures adopted for the trial included a ban on offal ...

   Meeting Document : WG-FSA-07/19 : Autor(es): T. Hewitt and I. Hay (Australia)

5. A new approach to selecting Marine Protected Areas (MPAs) in the Southern Ocean

   Abstract:  Conservation of the high seas marine environment poses a significant challenge to ... policy-makers and managers. Marine conservation efforts are often hindered by the lack of data and the ... difficulties in addressing multiple, and typically conflicting uses. The majority of extant Marine Protected ... MPAs has emerged on the international agenda as a critical issue requiring the application of novel ...

   Meeting Document : WS-BSO-07/P3 : Autor(es): Harris, J., M. Haward, J. Jabour and E.J. Woehler

6. Regionalisation of the Southern Ocean: a statistical framework

   regions and/or ecoregions) in order to better understand the relative importance of ecosystem processes or ... for the purposes of managing human activities in relatively ecologically discrete areas ... regions. The Southern Ocean has been divided up into regions before, primarily based on frontal features ... . In this paper, we demonstrate a method developed for a regionalisation of the southern Indian Ocean ...

   Meeting Document : WG-EMM-06/37 : Autor(es): B. Raymond and A. Constable (Australia)

7. Testing the performance of a recompiled version of TrawlCI to calculate confidence intervals of abundance in surveys of Patagonian toothfish (Dissostichus eleginoides) and mackerel icefish (Champsocephalus gunnari)

   Abstract:  A version of the confidence interval calculating program TrawlCI was recompiled to ... enable it to be run within the DOS emulator of recent versions of the Microsoft Windows operating system ... . The performance of the recompiled version was compared with that of the original version. The ... recompiled version of TrawlCI produced very similar, though not identical, results to the original version ...

   Meeting Document : WG-FSA-SAM-05/14 : Autor(es): T.D. Lamb, W.K. de la Mare and A.J. Constable (Australia)

8. Preliminary analyses of data collected during experimental fishing for Patagonian toothfish in international waters of the southwest Indian Ocean (Area 51)

   Abstract:  Experimental fishing for Patagonian toothfish took place during the period from 28 June ... procedures, in a restricted area south of Madagascar and north of the Prince Edward and Marion Islands and ... the Crozet Islands, and outside EEZ and CCAMLR waters. A total of 57 sets were taken at between 360 ... and 1950 metres depth. The Patagonian toothfish appeared in all those sets carried out with values ...

   Meeting Document : WG-FSA-04/19 : Autor(es): L.J. López Abellán (Spain)

9. Can trace element signatures in the otoliths of Dissostichus eleginoides record capture size?

   Abstract:  The elemental structure of growth increments in the otoliths of fish reflects the ... composition of water passing across the gills: as a result, elemental signatures can potentially be used to ... reconstruct the environmental history experienced by fish. To test whether the otolith elemental signatures of ... from the outer edges (which are laid down during the interval leading to capture) of otoliths taken ...

   Meeting Document : WG-FSA-03/88 : Autor(es): J.R. Ashford and C.M. Jones (USA)

10. Age-at-length of Patagonian toothfish from the Falkland/Malvinas Islands

    Abstract:  To provide an age-length key for use in modelling the age structure of the Patagonian ... toothfish stock around the Falkland Islands, we used otoliths to estimate the age of a sample of 1893 ... Patagonian toothfish (Dissostichus eleginoides) captured by trawl and in the longline fishery. We used a thin ... section grinding machine to reveal a transverse plane through the otolith nucleus and between ...

    Meeting Document : WG-FSA-02/74 : Autor(es): J. Ashford, A. Arkhipkin, C. Jones and S. Bobko

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