Résultats de la recherche
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Optimization of the sampling design in the detection of interannual variability and prey size selectivity in the diet of penguins
Abstract: Based on preliminary results of prey size in Adélie penguins, sampling designs intended ... for detection of interannual variations in prey mean sizes and penguin size related selectivity are ... analysed for the optimal allocation of observations at each level in nested designs. Recommended numbers ... x date interaction equal to the variance component for penguin in dates obtained from a previous ...
Meeting Document : WG-CEMP-90/09 : Auteur(s): E. Marschoff and B. Gonzalez (Argentina)
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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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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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Progress report on the Korean research fishing by longline fishery for Dissostichus spp. in Subarea 88.3 in 2015/16
Abstract: Korean research fishing was conducted in Subarea 88.3 from 8 February 2016 to 5 March ... 2016 in 2015/16 fishing season. The total number of days fished are 41 of 76 days stayed in the fishing ... statistics in Subarea 88.3 were 5.3 and 82%, respectively. Length frequency of D. mawsoni had two peaks and ... biological information of species in detail, otolith, stomach contents, gonad and muscle were collected from ...
Meeting Document : WG-SAM-16/29 : Auteur(s): Delegation of the Republic of Korea
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Otolith and body size relationships in the bigeye grenadier (Macrourus holotrachys) in CCAMLR Subarea 48.3
bycatch in the Toothfish (Dissostichus eleginoides) fishery in subarea 48.3 were measured and weighed and ... . Seasonal variations in fish mass with reproductive condition need to be considered if predictions of mass ... population under investigation. The length of fish chosen in such studies should be representative of the ... : Otolith and body size relationships in the bigeye grenadier (Macrourus holotrachys) in CCAMLR Subarea 48.3 ...
Meeting Document : WG-FSA-01/39 : Auteur(s): S. Morley and M. Belchier (United Kingdom)
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IN SITU MEASUREMENTS OF TILT ANGLE DISTRIBUTION AND TARGET STRENGTH IN ANTARCTIC KRILL (EUPHAUSIA SUPERBA)
crucial for biomass estimates of the species, but in situ investigations regarding this are still very ... scarce. We conducted a field study in the Southern Ocean where one of the objectives was to acquire data ... South Georgia and the Bouvet Island and we here in part present the methods applied and give examples of ... presented in future reports. Author(s): G. Skaret, S.A. Iversen, T. Knutsen, R.J. Korneliussen, E. Ona, R ...
Meeting Document : WG-EMM-08/29 : Auteur(s): G. Skaret, S.A. Iversen, T. Knutsen, R.J. Korneliussen, E. Ona, R. Pedersen, A. Totland, T. Torkelsen (Norway) and X. Zhao (China)
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Research program to examine the life- cycle and resource potential of Dissostichus spp. in the Special Research Zone within the Ross Sea region marine protected area (RSRMPA) in 2019-2021
Abstract: Russian Federation is going to continue investigation for toothfish in Ross Sea. This ... paper presents the research program in the frame of the Research and Monitoring Plan for RSRMOR. The ... research program shall be conducted in the Special Research Zone during 2019- 2021 or the first reference ... period for existence of the RSRMPA. This program provides possibility for collaborative investigations in ...
Meeting Document : WG-FSA-2019/42 Rev. 1 : Auteur(s): Delegation of the Russian Federation