Résultats de la recherche
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Distribution of Soviet commercial fleet at krill fishery in the South Orkneys subarea (Subarea 48.2) during 1989/90
. Actually during the whole season fishing vessels worked in one fishing ground off the north-western edge of ... in the beginning of the period with gradual subsequent decrease to the level inacceptable to the ... fleet (2.5 t/hour) in the next to the last five days of November. After disintegration of that ... Abstract: The results of analysis of haul by haul catch statistics of Soviet commercial fleet ...
Meeting Document : WG-EMM-97/50 : Auteur(s): Sushin, V.A.
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Trophic niche of the Antarctic toothfish caught in SSRU 88.3 as inferred from fatty acids and stable isotopes
of toothfish and their potential prey (bycatch and stomach contents), captured in fisheries in the ... Ocean sector of the Antarctica during 2012–2017. We found significant differences in size distributions ... Title: Trophic niche of the Antarctic toothfish caught in SSRU 88.3 as inferred from fatty acids and ... Abstract: To highlight ontogenetic and geographical variability in resource utilization of ...
Meeting Document : WG-FSA-18/21 : Auteur(s): C.-K. Kang, S.-G. Choi, H.Y. Kang, Y.-J. Lee, S. Chung and D.H. An
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Analysis of the sea-ice concentration (SIC) in Subarea 48.6, research blocks 2, 3, 4 and 5 with sea-surface temperature (SST) and statistical models
Abstract: An Analysis of the sea ice concentration (SIC) in research blocks 2,3,4, and 5 of ... 2019 was also as high as in 2016 but around the west of block 5 the SIC in 2019 was much lower than in ... . Somhlaba and J. Pompert Title: Analysis of the sea-ice concentration (SIC) in Subarea 48.6, research ... , the SIC in 2019 was the highest for the last 4 years (2016-2019). For research block 5, the SIC in ...
Meeting Document : WG-SAM-2019/15 : Auteur(s): T. Namba, R. Sarralde, H. Pehlke, K. Teschke, T. Brey, S. Hain, T. Ichii, T. Okuda, S. Somhlaba and J. Pompert
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Estimating fishing gear selectivity for trawlers using length-frequency data from concurrent commercial trawl and longline fishing for Patagonian toothfish in Division 58.5.2 and the ratio of their hazard functions
(GLMM). The GLMM was fitted to the number of fish in a bin using a complementary log-log link function ... and binomial sample size defined as the number of fish in that bin or a larger length bin. The ... toothfish in Division 58.5.2 and the ratio of their hazard functions Approval: Approved ... Abstract: The upper-arm of the length-dependent fishing selectivity function for trawlers fishing ...
Meeting Document : WG-FSA-06/35 : Auteur(s): S.G. Candy (Australia)
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Stomach contents of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea region in 2010 and a comparison with 2003
Abstract: The stomach contents of 273 Dissostichus mawsoni captured by bottom longline in the ... whitsoni) dominated the diet occurring in 37% of stomachs and accounting for 45% by weight and 52% by IRI ... were compared to a similar study based on samples collected in 2003. Preliminary examination of the ... data suggested there had been no change in the diet of large (> 100 cm TL) D. mawsoni between the ...
Meeting Document : WG-FSA-10/22 : Auteur(s): D.W. Stevens, J. Forman and S. Hanchet (New Zealand)
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Gentoo penguin Pygoscelis papua diet as an indicator of planktonic availability in the Kerguelen Islands
, we investigated the composition of the diet of gentoo penguins, Pygoscelis papua, in relation to ... changes in the availability of two prey species, Euphausia vallentini and Themisto gaudichaudii, sampled ... in penguin stomachs. Detailed studies on the feeding range and foraging effort of penguins are ... therefore needed in the near future to validate the potential of penguin diet as a measure of plankton ...
Meeting Document : WG-Joint-94/11 : Auteur(s): C.A. Bost, P. Koubbi, F. Genevois, L. Ruchon and V. Ridoux (France)
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Further development of coarse- and medium-scale spatially explicit population dynamics operating models for Antarctic toothfish in the Ross Sea region
and spawning fish in the northern areas of the Ross Sea region. Fits to the commercial catch ... proportions-at-age observations were generally good in most models, although fits to the plus group of the ... of known abundance in the model and the abundance information inherent in the tag-recapture ... operating models for Antarctic toothfish in the Ross Sea. The operating models consider both a coarse-scale ...
Meeting Document : WG-FSA-12/44 : Auteur(s): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)
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Progress report on the research longline fishery of Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2012/13
so far they have concentrated their sampling effort in the southern section (south of 60˚S), where ... Research Blocks and the possible inclusion of an additional Research Block in the southern section are ... Abstract: The multi-year research plan that was adopted for the exploratory longline fishery in ... and South Africa during the first 6 months is presented. Two vessels participated in the fishery and ...
Meeting Document : WG-SAM-13/05 : Auteur(s): R. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)
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Progress towards an assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 882C–H for the years 2002–03 to 2015–16 using a two-area model
collect mark-recapture data in the South to help inform the estimation of biomass in the South. We present ... the model, and in particular the size of the fish population in the South. We recommend that the ... Antarctic toothfish (Dissostichus mawsoni) in the Amundsen Sea region, defined here as SSRUs 88.2C–H. The ... models were first developed for the region in 2014 and refined in 2015. Results showed the need to ...
Meeting Document : WG-FSA-16/44 : Auteur(s): S. Mormede, K. Large and S. Hanchet
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Modelling egg and larval transport of Antarctic toothfish (Dissostichus mawsoni) in the East Antarctic region: preliminary result using satellite data
larval transport of the Antarctic Toothfish in the East Antarctic region. This paper presents the ... observed in the experiment A-1, the majority of particles were advected eastward in the experiment A-2. A ... experiment A-2 because of effects of temporal eddy activities. In the northern continental slope region, most ... 2-year simulation. From the result of the BB region, while strong self retention on the BB was ...
Meeting Document : WG-FSA-2019/63 : Auteur(s): M. Mori, K. Mizobata, T. Okuda and T. Ichii