Résultats de la recherche
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Revised reproductive analysis of Dissostichus mawsoni in SSRU 58.4.1 C for the Korean exploratory longline fishery in 2012/2013
Abstract: In the Division 58.4.1 there are two stocks of Dissostichus mawsoni, which is ... vulnerable with a big range of about 1,000-2,000 t per SSRU in 58.4.1. However, there is not enough data to ... analyze the reproductive ecology of Dissostichus mawsoni in SSRU 58.4.1C based on the histological methods ... as a part of Korean research plan for Dissostichus spp. in SSRUs 58.4.1 C and E during 2012/2013 ...
Meeting Document : WG-FSA-13/45 : Auteur(s): I.J. Yeon, J.S. Lee, Y.J. Kwon, M.A. Jeon, S.K, Choi, K.J. Seok, D.W. Lee, K.Y. Ku and H.J. Kim (Republic of Korea)
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Research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Subarea 48.6
recommended at the WG-FSA in 2013 in order to maximize the expectation of tag-recapture to the extent possible ... Abstract: The current season (2014/15) is the final one of the first three-season research which ... by all effective vessels were analyzed for the improvement of stock assessment in the research blocks ... the CPUE method in the block 48.6_3 and 48.6_4. Predicted numbers of tag recaptures from the estimated ...
Meeting Document : WG-SAM-15/06 : Auteur(s): Delegation of Japan
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A REVIEW OF THE METHODS USED TO RELEASE SKATES (RAJIIDS), WITH OR WITHOUT TAGS, IN ANTARCTIC EXPLORATORY FISHERIES
from this programme showing an unquantifiable degree of the survivorship of returned skates, the CCAMLR ... implemented was that some form of in-water release would be the ideal to improve survival chances ... . Subsequently a number of problems have become evident with this method. The Working Group on Fish Stock ... , that it might be difficult to detect tagged rays skates if they are cut off at the sea surface rather ...
Meeting Document : WG-FSA-08/30 : Auteur(s): J.M. Fenaughty (New Zealand)
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Trophic study of Ross Sea Antarctic toothfish (Dissostichus mawsoni) using carbon and nitrogen stable isotopes
Abstract: This report amalgamates stable isotope analyses of fish (n=476), squid (n=50) and ... variables in explaining the variation of δ15N and δ13C. Positive relationships between length and δ15N ... indicate that, very generally, larger fish consume prey of a higher trophic level than smaller fish. There ... range of 7 ‰ (9–16 ‰) in δ15N, which is equivalent to two trophic steps. All fish, except Antimora ...
Meeting Document : WG-EMM-08/27 : Auteur(s): S.J. Bury, M.H. Pinkerton, D.R. Thompson, S. Hanchet, J. Brown and I. Vorster (New Zealand)
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A statistical method for analysing the extent of IUU fishing in CCAMLR waters: application to Subarea 48.3
Abstract: 1. This paper describes a new method for estimating IUU catch of fish and birds. It ... account of both “seen” and “unseen” IUU fishing through a simulation model to arrive statistically ... rigorous estimates and confidence intervals of fish and bird catch by IUU vessels. This method has not been ... extension to other regions of the Antarctic. 2. Of the sources of information on IUU fishing, Fishery ...
Meeting Document : WG-FSA-02/4 : Auteur(s): D.J. Agnew and G.P. Kirkwood (United Kingdom)
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The migration patterns of Electrona carlsbergi (Tåning, 1932)
Abstract: On the basis of analyses and review of published data on the biology and distribution ... of Electrona carlsbergi, as well as on the hydrological patterns of the Southern Ocean- especially ... concerning the structure and spatial variation of the Antarctic Circumpolar Current (ACC)- this paper ... various frontal zones. The yearly transport of E. carlsbergi into the waters of the Southern Polar Frontal ...
Meeting Document : WG-FSA-93/18 : Auteur(s): A.N. Kozlov (Russia)
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Assessment of krill biomass in fishing grounds using the data on fishing intensity and hydroacoustic method
Abstract: The paper contains a description of the statistical method used for assessment of the ... beginning of the fishery. Application of the statistical method for assessment of the initial krill biomass ... may be realistic provided that the conditions exist, which permit to determine the catchability of the ... midwater trawl. Two methods were used for this purpose: modelil1ing the probabilistic-statistical theory of ...
Meeting Document : SC-CAMLR-VIII/BG/10 : Auteur(s): USSR
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METHODOLOGY OF EVALUATING THE AQUATIC LIFE RESOURCES
Abstract: ic life is developed in accordance with the rules of metrology, mathematical statistics ... and using the biocenological regularities of water objects. The basis of evaluating the stocks of ... water life was investigated through biocenotic conditionality in the areas of their equal probability in ... concentrations. The traditional method of squares in evaluating the stocks of water life was modernized with the ...
Meeting Document : WG-SAM-08/P02 : Auteur(s): L.A. Kovalchuk (Ukraine)
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RESOURCES EVALUATION OF ANTARCTIC KRILL EUPHAUSIA SUPERBA DANA USING AREAL TRAWLING AND HYDRO-ACOUSTIC DATA
observations using trawling and hydroacoustic data is proposed. Reliable evaluation of krill resources is ... provided with probability methods and spatial analyses requiring knowledge of statistical distribution ... rules applicable for natural habitat and equal probability concentrations. Spatial analyses of krill ... population densities have shown mixed rules of statistical distribution over its natural habitat. Data ...
Meeting Document : WG-SAM-08/P01 : Auteur(s): L.A. Kovalchuk (Ukraine)
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Mackerel icefish biomass and distribution on the results of acoustic survey carried out in February–March 2002
Abstract: Results of the acoustic survey of icefish carried out by Russian vessel STM-8390 ... Atlantida in February-March 2002 in Subarea 48.3 are presented. Biomass and distribution of icefish were ... estimates of icefish were made by comparison an observed TS in situ histograms with the size composition of ... the ensonified fish, obtained by trawling. Results of acoustic estimates of icefish biomass and ...
Meeting Document : WG-FSA-02/44 : Auteur(s): S.M. Kasatkina, V.Yu. Sunkovich, A.P. Malyshko and Zh.A. Frolkina