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1. Principles for evaluating data collection plans in data-poor exploratory fisheries

   in accordance with the principles set forth in Article II of the Convention. However, several times ... over the last five years the Scientific Committee has noted with concern the lack of progress in ... developing robust assessments of status of Dissostichus spp. in exploratory fisheries. Each additional year ... of fishing increases the risk of over-exploitation of fish stocks. In this paper we articulate a set ...

   Meeting Document : WG-SAM-11/08 : Author(s): P.E. Ziegler, D.C. Welsford and A.J. Constable (Australia)

2. Flexible foraging strategies of gentoo penguins help buffer the impacts of inter-annual changes in prey availability

   Abstract:  Gentoo penguins Pygoscelis papua show considerable plasticity in their diet, diving and ... single site, since flexible foraging habits would provide a buffer against changes in prey availability ... . We examined inter-annual changes in the foraging strategies and diet of gentoo penguins in the South ... varied over time; different dive depth-distributions were observed in each year. Nonetheless, chick ...

   Meeting Document : WG-EMM-08/50 : Author(s): A.K. Miller and W.Z. Trivelpiece (USA)

3. A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on recent survey results

   Abstract:  The annual Random Stratified Trawl Survey was undertaken in Division 58.5.2 in the ... ’ E using standard CCAMLR methods. A pattern of 5 year classes being present simultaneously in the ... population, which was first detected in 2011, has persisted, however a large cohort of fish, estimated to be ... 2+, dominate the population in both abundance and biomass. A new length weight model is estimated ...

   Meeting Document : WG-FSA-12/26 : Author(s): D.C. Welsford (Australia)

4. Operational difficulties in exploratory fisheries

   Abstract:  F/V Shinsei Maru No.3 has been engaged in Exploratory Fisheries since 2003. Furthermore ... the vessel has conducted research activities under CM24-01 in division 58.4.4 since 2008 and provided ... significant scientific information on toothfish. For the rational utilization of toothfish resources in data ... we have exerted as much efforts as possible to complete our research plan. However, in course of ...

   Meeting Document : WG-SAM-13/22 : Author(s): N. Miyagawa, J. Okamoto, N. Akimoto and K. Hirose (Japan)

5. Progress report of the CEMP Special Fund camera network in Subarea 48.1

   Network in Subarea 48.1”. The project was initiated with support from the CEMP Special Fund in 2014/15 ... . The project is now fully operational.  In 2016/17 data were recovered from 50 cameras covering 3 ... summaries indicate variation in phenological timing within species across sites with relatively high ... publication is currently in preparation. The cameras in the network remain in deployment and will contribute ...

   Meeting Document : WG-EMM-17/16 Rev. 1 : Author(s): J. Hinke, G. Watters, M. Santos, M. Korczak-Abshire, G. Milinevsky, V. Lytvynov, A. Barbosa, C. Southwell and L. Emmerson

6. Standardised CPUE analysis of the Antarctic toothfish fishery in CCAMLR Subarea 88.1 from 1988/89 to 2003/04

   to 2004, in Subareas 88.1 and 88.2. A preliminary standardised analysis of toothfish CPUE (catch (kg ... ) per baited hook per set) carried out in 2003 compared two alternative toothfish CPUE analyses for the ... vessels that have been in the fishery over the entire time period. However, the fishing grounds were ... similar and all explained a reasonable amount (35-46%) of the variation. The variables included in the ...

   Meeting Document : WG-FSA-04/25 : Author(s): N.L. Phillips, R.G. Blackwell and S.M. Hanchet (New Zealand)

7. Preliminary trials to test mitigation measures aimed at reducing Macrourus spp. by-catch on autoliners targeting D. eleginoides with longlines in the CCAMLR Convention Area

   Abstract:  Pilot studies were carried out in 48.3 in 2006 and in 88.1 and 88.2 in 2007 by the ... in catch rates of Macrourus spp due to bait was significant, but not for hook-type. Bait type had ... , variation in CPUE for target and non-target species due to geographical location, depth and soak time were ... significant. In order for the benefits of mackerel bait in reducing macrourid (and other species) bycatch to ...

   Meeting Document : WG-FSA-07/33 : Author(s): R.E. Mitchell, D.J. Agnew, T. Carruthers, J. Clark, L. Ross (United Kingdom) and J. van Heerden (South Africa)

8. Results of the mark–recapture experiment in Subarea 48.3, 2005

   Abstract:  The mark-recapture experiment continued at South Georgia in 2005. In total some 8000 ... fish have now been tagged in 48.3, and both tagging effort, fishing effort and recaptures were well ... – distributed over the whole of the fishable grounds in 48.3 this year. The Petersen mark-recapture estimator ... , which has been applied previously and described in detail by Agnew et al (2004) and Payne et al (2005 ...

   Meeting Document : WG-FSA-05/17 : Author(s): D.J. Agnew and A. Payne (United Kingdom)

9. Oceanic condition and zooplankton distribution/ abundance in Bransfield Strait during austral summer 1989/1990

   Abstract:  To delineate zooplankton distribution and abundance in Bransfield Strait, in relation ... plankton towings in a systematic grid from December 29, 1989 to January 7, 1990. Comparisons of temperature ... south of Deception Island, and meanders northeastward in the surface layer of the northern strait ... %) in terms of number, and followed by salpa (27.7%), chaetognatha (6.7%), and euphausia (1.3%). However ...

   Meeting Document : WG-KRILL-91/14 : Author(s): S.M. Kim and M.S. Suk (Korea)

10. A false positive in the CCAMLR tag overlap statistic arising from low catch volume and consequent limited sample size

    Abstract:  The draft CCAMLR compliance report has recorded that when fishing in Subarea 88.2 in ... minimum of 60% as specified in CM 41-01. A review of the data indicates that the number of fish tagged was ... of fish tagged did not match closely with that of the catch resulting in a the overlap statistic, as ... as this and others if they have arisen, to determine how to provide advice to the Commission in cases ...

    Meeting Document : WG-FSA-14/31 : Author(s): C. Darby (United Kingdom)

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