Résultats de la recherche
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The migration patterns of Electrona carlsbergi (Tåning, 1932)
concerning the structure and spatial variation of the Antarctic Circumpolar Current (ACC)- this paper ... paper examines the fate of large swarms (in terms of biomass) of E. carlsbergi transported beyond the ... the meridional exchange of waters between frontal zones. The paper also discusses questions of the ... Abstract: On the basis of analyses and review of published data on the biology and distribution ...
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 ... poor swimming ability of the krill. The paper suggests the comparison of estimates of krill ... 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 ...
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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Geographic aspects of Euphausia superba resources exploitation
Abstract: Data on distribution and biomass of E.superba aggregations at Atlantic sector and near ... adjacent waters (subregions outside of the Scotia Sea are under pecular attention) are observed ... . Concentration of E.superba of the same order of biomass volume as in the Scotia Sea were observed at several ... subregions along the peripherie of Weddell Gyre and also nearshore of Antarctide. Offshore concentrations of ...
Meeting Document : WG-KRILL-93/04 : Auteur(s): R.R. Makarov (Russia)
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Geographic aspects of Euphausia superba resources exploitation
Abstract: Data on distribution and biomass of E.superba aggregations at Atlantic sector and near ... adjacent waters (subregions outside of the Scotia Sea are under pecular attention) are observed ... ° Concentration of E.superba of the same order of biomass volume as in the Scotia Sea were observed at several ... subregions along the peripherie of Weddell Gyre and also nearshore of Antarctide. Offshore concentrations of ...
Meeting Document : WG-CEMP-92/31 : Auteur(s): R.R. Makarov (Russian Federation)
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Revised research plan for the exploratory longline fishery for Dissostichus spp. in 2012/13 Subarea 48.6 and Divisions 58.4.1, 58.4.2 and 58.4.3a (this is a revision of WG-SAM-12/09)
58.4.1, 58.4.2 and 58.4.3a is resubmitted following paragraph 3.24 of WG-SAM-12. In the present proposal ... , we firstly showed information of catch, efforts, tagging experimental results based on the CCAMLR C2 ... data, and secondly showed the results of biological features with some discussion of life history in ... operations in the 2012/13 season for all vessels. Catch and efforts were active in two areas in the north of ...
Meeting Document : WG-FSA-12/60 Rev. 1 : Auteur(s): Delegation of Japan
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Distribution and abundance of Antarctic krill (Euphausia superba) off East Antarctic (30–80°E) in January–March 2006
(Euphausia superba) and its associated coefficient of variance (CV). This paper updates the version submitted ... of Division 58.4.2 for the purposes of estimating the unexploited biomass (B0) of Antarctic krill ... to WG-EMM in 2006 (WG-EMM-06/16) because a reanalysis of the data has resulted in amendments to the ... acoustic estimates of krill mean biomass density, biomass and variance. The mean acoustic biomass density ...
Meeting Document : WG-EMM-07/33 : Auteur(s): T. Jarvis, N. Kelly, E. van Wijk, S. Kawaguchi and S. Nicol (Australia)
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Spatial distribution of predator/prey interactions in the Scotia Sea: implications for measuring predator/fisheries overlap
Abstract: The measurement of spatial overlap between predators and fisheries exploiting a common ... prey source is dependent upon the measurement scale used and the use of inappropriate scales may ... provide misleading results. Previous assessments of the level of overlap between predators and fisheries ... scales and arrives at contradictory conclusions. At-sea data from observations of krill predators during ...
Meeting Document : WG-EMM-02/14 : Auteur(s): K. Reid, M. Sims, R.W. White and K.W. Gillon (United Kingdom)
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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