Résultats de la recherche
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Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean, Antarctic
mainly caught in the deeper slope >1500 m. The separation of the two species by depths may be related ... species. The mean total length (TL) of females was significantly larger than that of males for both ... species. The proportion of males to the total adults decreased significantly with the depths with gradual ... slope for both species. Male D. mawsoni showed a significant correlation between depth and the TL with ...
Meeting Document : WG-SAM-10/16 : Auteur(s): K. Taki, M. Kiyota, T. Ichii and T. Iwami (Japan)
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Descriptive analysis of the Antarctic toothfish (Dissostichus mawsoni) tagging scheme in the Ross Sea for the years 1997/98 to 2003/04
since 2001 is presented for the first time. Tag-release and tag-recapture data are presented for both ... been in the same proportion as the catch by area. However, recapture rates have tended to be higher in ... released. The mean size of tagged Antarctic toothfish has increased since 2001, but is still smaller than ... without significant damage to fish, and there appears to be a trade-off between maximising size of ...
Meeting Document : WG-FSA-SAM-05/10 : Auteur(s): A. Dunn, S.M. Hanchet and K. Maxwell (New Zealand)
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A proposal to review and strengthen the CCAMLR System of Inspection
immediately stop a CCAMLR Contracting Party-flagged vessel that is found to be in breach of a CCAMLR ... of efforts to eliminate IUU fishing, Australia proposes that the Commission review its System of ... measures, especially those adopted to combat IUU fishing. While much of the System's provisions remain ... appropriate for most circumstances, there are some aspects where improvements could be considered, including ...
Meeting Document : CCAMLR-XXVI/29 Rev. 1 : Auteur(s): Delegation of Australia
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Assessment of Patagonian toothfish (Dissostichus eleginoides) in Subarea 48.4
the data weighting method revised to be consistent with those applied in other CCAMLR assessment model ... . eleginoides) in Subarea 48.4. The assessment data are updated with the observations for the 2017/18 season and ... fits. Stock projections indicate that the stock was at 67% of B 0 in 2018/19 and that a yield of 27 ... tonnes in 2019/20 and 2020/21 is consistent with the application of the CCAMLR harvest control rule ...
Meeting Document : WG-FSA-2019/29 : Auteur(s): T. Earl and E. MacLeod
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Recommendations from a cross-sector workshop on krill fishing and conservation in the Scotia Sea and Antarctic Peninsula region
management of the krill fishery that minimises the risk of the fishery negatively impacting ecosystem health ... . This accord could be strengthened by articulating a clear research and development strategy to support ...
Meeting Document : WG-EMM-14/12 : Auteur(s): S. Hill, R. Cavanagh, R. Downie, C. Knowland and S. Grant (United Kingdom)
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RECENT POPULATION ESTIMATES AND TRENDS IN NUMBERS OF ALBATROSSES AND GIANT PETRELS BREEDING AT THE SUB-ANTARCTIC PRINCE EDWARD ISLANDS
that has since reversed. Numbers of grey-headed albatrosses Thalassarche chrysostoma on Marion Island ... have remained stable, whereas the population on Prince Edward Island decreased by 20% from 2001 to 2008 ... similar in 2001 and 2008. Counts of both sooty albatrosses Phoebetria spp. were substantially higher at ... Prince Edward Island in 2008, possibly as a result of better coverage compared to 2001. Dark-mantled ...
Meeting Document : WG-EMM-10/P4 : Auteur(s): P.G. Ryan, M.G.W. Jones, B.M. Dyer, L. Upfold and R.J.M. Crawford
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Recent population estimates and trends in numbers of albatrosses and giant petrels breeding at the sub-Antarctic Prince Edward Islands
that has since reversed. Numbers of grey-headed albatrosses Thalassarche chrysostoma on Marion Island ... have remained stable, whereas the population on Prince Edward Island decreased by 20% from 2001 to 2008 ... similar in 2001 and 2008. Counts of both sooty albatrosses Phoebetria spp. were substantially higher at ... Prince Edward Island in 2008, possibly as a result of better coverage compared to 2001. Dark-mantled ...
Meeting Document : WG-EMM-10/P04 : Auteur(s): P.G. Ryan, M.G.W. Jones, B.M. Dyer, L. Upfold and R.J.M. Crawford
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A revised assessment of the impact of the krill fishery on penguins in the South Shetlands
of penguins are considered to be formed in areas to the north of King George, Nelson and Robert ... foraging areas is resulted from that large colonies of the dominant penguin (chinstrap penguins, Pygoscelis ... antarctica) are closely associated with areas where sea-ice disappears earlier in spring, not necessarily ... with areas of high krill abundance. The overlap between trawling depth and foraging dive depth of ...
Meeting Document : WG-Joint-94/17 : Auteur(s): T. Ichii, M. Naganobu and T. Ogishima (Japan)
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The winter distribution of Adélie and chinstrap penguins from two breeding colonies in the South Shetland Islands of Antarctica
Adélie penguins with PTTs were tracked from mid-February to early April 2001, following their molt in the ... , Antarctic Peninsula region during the 2000 and 2001-2002 austral winters, respectively. Three chinstrap ... with satellite tags in early March 2000, following their annual molt; similarly, two birds were tagged ... that 4 of the 5 chinstrap penguins foraged largely on the shelf to the north and northeast of the South ...
Meeting Document : WG-EMM-02/55 : Auteur(s): S.G. Trivelpiece and W.Z. Trivelpiece (USA)
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Assessments of by-catch in trawl fisheries at Heard and MacDonald Islands
results indicate that the current commercial trawl fisheries around Heard Island are unlikely to be ... undertaken with the aim of examining the potential for the commercial trawl fisheries to significantly affect ... of the by-catch provisions is to protect the by-catch species from over-exploitation combined with ... toothfish while protecting the by-catch species from excessive fishing effort, the by-catch rule could be ...
Meeting Document : WG-FSA-97/30 : Auteur(s): de la Mare, W.K., Williams, R., Constable, A.