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1. Performance metrics to index the spatial coverage of mark-recapture data

   interpreting the biomass estimated from mark recapture data. In 2015, the Scientific Committee identified that ... measures of spatial overlap and potential bias in the development of tag-based biomass estimates are an ... measure of the potential bias in the biomass estimate calculated from non-homogenous spatial mark ... area, SSRUs 88.2H to illustrate its use. We found that the median tag spatial overlap statistic in 2012 ...

   Meeting Document : WG-SAM-16/13 : Автор(ы): C. Marsh, A. Dunn and S. Mormede

2. An update on the ageing of Antarctic toothfish, Dissostichus mawsoni, from East Antarctica and the Amundsen Sea

   and the other by thin sectioning, in order to assess the comparability of age estimates derived from ... vessel in Subarea 88.2 in the 2014-2015 season and in Division 58.4.1 in the 2015-2016 season, were aged ... available for use in the estimation of biological parameters and stock assessments of the respective ... sampling areas in East Antarctica and the Amundsen Sea. Author(s):  G. Nowara, B. Farmer, T. Barnes, P ...

   Meeting Document : WG-FSA-17/15 : Автор(ы): G. Nowara, B. Farmer, T. Barnes, P. Ziegler and D. Welsford

3. A TALE OF TWO ISLANDS: CONTRASTING FORTUNES FOR SUBANTARCTIC SKUAS AT THE PRINCE EDWARD ISLANDS

   at the Prince Edward Islands was conducted during December 2008, repeating a previous survey in ... twice as many non-breeding birds. Burrowing petrels comprised 96% of prey in skua middens at Prince ... in 2008, whereas the number of skua nests on Marion Island was barely half that counted in 2001 ... , continuing an apparent decrease in this species at Marion Island since the 1980s. There is no evidence that ...

   Meeting Document : WG-EMM-10/P3 : Автор(ы): P.G. Ryan, P.A. Whittington and R.J.M. Crawford

4. The diet of toothfish species Dissostichus eleginoides Smitt and D. mawsoni Norman with overlapping distributions around the South Sandwich Islands, Southern Ocean

   . eleginoides) was examined around the south sandwich islands in the southern ocean, one of few regions with ... overlapping populations of the two species. Despite large differences in the proportion of stomachs containing ... compete for prey in regions where both are distributed.  However, the large increase in rate of prey ... occurrence and size of prey in D. mawsoni stomachs relative to D. eleginoides suggests species differences in ...

   Meeting Document : WG-FSA-11/P03 : Автор(ы): J. Roberts, J. Xavier and D. J. Agnew

5. Results of trials undertaken around Crozet Island using pots to target Patagonian toothfish

   longline fishery occurring in the Southern Indian Ocean off Kerguelen and Crozet islands. This fishery is ... accidental bird mortality. In order to find a solution to these issues a 25-day pot trial cruise was ... comparison are not straightforward due to the large number of pot model tested and the large differences in ... fishing techniques and further investigations are needed to be in position to asses the economic viability ...

   Meeting Document : WG-FSA-10/10 : Автор(ы): N. Gasco, P. Tixier and C. Guinet (France)

6. Models of larvae dispersion of Antarctic toothfish (Dissostichus mawsoni)

   stock structure in the Ross Sea have parallels for populations in other regions of the Antarctic, and ... locations in the northern areas of Subarea 88.1 & 88.2 to further investigate the possible larval ... dispersal from spatially discrete spawning grounds in these Subareas. Further, we derive plausible spawning ... locations from Scientific Observer sampling of D. mawsoni in other ocean sectors to identify starting ...

   Meeting Document : WG-FSA-12/48 : Автор(ы): A. Dunn, G.J. Rickard, S.M. Hanchet and S.J. Parker (New Zealand)

7. Identification of important benthic areas for conservation – using shared data from the Domain 1 MPA planning process

   proposal for candidate MPAs, however they may be useful in contributing additional information towards the ... located west of the Antarctic Peninsula in the Bransfield Strait and north of the South Shetland Islands ... 1 planning process were used in this study (under the CCAMLR data use and access rules). This study ... demonstrates the value of shared datasets in facilitating additional, supporting analyses for MPA planning. The ...

   Meeting Document : WG-EMM-16/35 : Автор(ы): M. Bristow, S. Grant, M. Santos and A. Capurro

8. Update of ongoing work on age and growth of Antarctic toothfish (Dissostichus mawsoni) from Division 58.4.1 by Australia and Spain

   Abstract:  Spain and Australia are conducting fishing research in the 58.4.1 Division from 2013 ... and 2017 respectively, in order to get data and biological samples which enable an assessment of ... Antarctic toothfish in this so called “data poor” area at the end of the whole experience. From the five ... surveys completed, the last two have been in coordination between the five proponents, namely Australia ...

   Meeting Document : WG-FSA-18/54 Rev. 1 : Автор(ы): L.J. López-Abellán, M.T.G. Santamaría, R. Sarralde, S. Barreiro, B. Farmer and T. Barnes

9. Time series of Drake Passage Oscillation Index (DPOI) from 1952 to 2005, Antarctica

   Abstract:  An assessment of the environmental processes influencing variability in the recruitment ... and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... affects the Antarctic marine ecosystem as a whole. Naganobu et al. (1999) had assessed variability in ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ...

   Meeting Document : WG-EMM-05/17 : Автор(ы): M. Naganobu and K. Kutsuwada (Japan)

10. Seabird mortality and the Falkland Islands trawling fleet

    , trawling and hauling operations for 157 days onboard finfish trawlers in the Falkland Islands in 2002/03 ... of these birds become impaled on a splice in the cable, which was situated on average around 50-100m ... from the waters surface, and are subsequently hauled onboard. In over 600 observed hauls in 2001-03 no ...

    Meeting Document : WG-FSA-03/91 : Автор(ы): B.J. Sullivan, T.A. Reid, L. Bugoni and A.D. Black (United Kingdom)

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