Résultats de la recherche
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A development of catch per unit effort (CPUE) trends that may be useful in stock assessment for Dissostichus mawsoni in Subarea 48.6
these data to extract annual time series trends that may be of use in the fitting of stock assessment ... models for Dissostichus mawsoni (D. mawsoni) in the area. The entire fishing area in 48.6 which is ... subarea. The trends from these models reflect stable to a slight increase in CPUE since 2013 which might ... be reflection better management since research block were introduced in 2012/2013 fishing season ...
Meeting Document : WG-SAM-2019/37 : Auteur(s): S. Somhlaba, K. Leach, M. Bergh, T. Okuda, T, IIchi, R. Sarralde and T. Namba
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Estimates of abundance of Dissostichus eleginoides and Champsocephalus gunnari from the random stratified trawl survey in the waters surrounding Heard Island in Division 58.5.2 for 2019
) around Heard Island and McDonald Islands (HIMI) was conducted in CCAMLR Division 58.5.2, with the ... selected station points. However, only 5 of 18 stations were sampled in Gunnari Ridge since the catch limit ... for Champsocephalus gunnari (mackerel icefish) in Division 58.5.2 was reached prior to the completion ... higher than last year’s catch even though less than a third of the stations were completed in Gunnari ...
Meeting Document : WG-FSA-2019/03 : Auteur(s): G.B. Nowara, T.D. Lamb and P. Ziegler
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Results of krill fishery in Subarea 48.2 in the 2009 season based on data of the Russian vessel Maxim Starostin
Abstract: Results of Russian krill fishery in the area 48.2 in the season of 2009 (March ... – beginning of June) on the cruise data of trawler “ Maxim Starostin ” are discussed in the paper. The vessel ... hydrometeorological and ice conditions are given in the paper. Author(s): S.Yu. Gulyugin, V.E. Polonskiy and S.M ... . Kasatkina (Russia) Title: Results of krill fishery in Subarea 48.2 in the 2009 season based on data of the ...
Meeting Document : WG-EMM-10/08 : Auteur(s): S.Yu. Gulyugin, V.E. Polonskiy and S.M. Kasatkina (Russia)
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Analysis of longline fleet operation on the Patagonian toothfish (Dissostichus eleginoides) in the subarea of the South Georgia Island (48.3) in 1989–2003
. Taken the intensity of fleet operation as an example in the sub-area, it was confirmed a decrease in ... decrease in catch per unit value and necessity of the more attentive approach to the assessment of the ... state of the toothfish population in this area of traditional fishing and more precautionary approach to ... operation on the Patagonian toothfish (Dissostichus eleginoides) in the subarea of the South Georgia Island ...
Meeting Document : WG-FSA-03/98 : Auteur(s): N.V. Kokorin and A.F. Petrov (Russia)
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Note on maturity of krill in relation to interannual fluctuations of food environment in the seas around the South Shetland Islands
Islands is discussed. Data during 91/92 austral summer shows that when chlorophyll concentration in ... fraction larger than 2um was high, feeding activity of krill was also high in the natural environment. 5 ... fluctuations of maturity populations are governed by the food environment, the phytoplankton stock in the size ... fraction larger 1 in krill namely by than 2um. Author(s): M. Naganobu and S. Kawaguchi (Japan) Title ...
Meeting Document : WG-KRILL-93/27 : Auteur(s): M. Naganobu and S. Kawaguchi (Japan)
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Results of scientific observation in Antarctic krill fishery in 2010/11: II. analysis of variability of krill size and fish by-catch
) incorporated in a state-space model that separates biological process error from fishery process error and ... observation error. The parameters of the model were estimated by the Markov chain Monte Carlo (MCMC) method in ... krill length model, some parameters did not converge well in the bycatch fish model. The interaction ... is no clear difference among cruises within a vessel. The uncertainty in parameter estimation is ...
Meeting Document : WG-EMM-12/67 : Auteur(s): T. Okuda and M. Kiyota (Japan)
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Population structure and connectivity of an important pelagic forage fish in the antarctic ecosystem, Pleuragramma antarcticum, in relation to large scale circulation
of biological material in marine systems. Large-scale transport by the Antarctic Circumpolar Current ... population structure in the Southern Ocean through advection. Antarctic silverfish (Pleuragramma antarcticum ... other fish. We asked whether silverfish are distributed in independent, discrete populations along the ... populations. Hypotheses were tested by measuring the chemistry, trace elements and stable isotopes, in ...
Meeting Document : WG-FSA-12/23 : Auteur(s): J.W. Ferguson (USA)
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Progress report on the Korean exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in 2016/17 season
Abstract: The research fishing was conducted in Divisions 58.4.1 and 58.4.2 from 12 January 2017 ... to 14 March 2017 in 2016/17 fishing season. One additional national observer was on board to perform ... additionally satellite archival tags were attached to 5 individuals of D. mawsoni. In Divisions 58.4.1 and ... encountered unknown fishing gears during research fishing in SSRU G and E of the Division 58.4.1 and reported ...
Meeting Document : WG-SAM-17/27 : Auteur(s): S.-G. Choi, J. Lee, J. Lee and D. An
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Seabird mortality in the artisanal austral hake and Patagonian toothfish longline fisheries in southern Chile
of incidental mortality for the artisanal fleets for Austral hake and Patagonian toothfish in ... longlines that sink fast: 0.33 and 0.69-0.22 m?sec-1 in the hake and toothfish longlines, respectively ... . Accordingly, seabird by-catch was 0.030 birds/1000 hooks in the Austral hake fishery, mainly accounted by ... birds caught during the slow process of hauling. The overall by-catch rate in the Patagonian toothfish ...
Meeting Document : WG-FSA-04/54 : Auteur(s): C.A. Moreno, P. Rubilar, J. Arata, R. Hucke-Gaete (Chile) and G. Robertson (Australia)
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Plan of research program of the Russian Federation in Subarea 48.5 (Weddell Sea) in season 2013/14
subareas, where stock assessment should be carried out. In spite of hard ice conditions during most of the ... be found in geographical location, bathymetric profile and current system, highlight the Weddell Sea ... as one of the most promising area for exploratory fishery of Dissostichus sp. However, fishery in ... collecting data for reliable stock assessment and following estimation of precautionary limits in accordance ...
Meeting Document : WG-FSA-13/09 : Auteur(s): A.F. Petrov, I.I. Gordeev and K.V. Shust (Russia)