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
analysed for the optimal allocation of observations at each level in nested designs. Recommended numbers ... minimal numbers of penguins to be sampled as a function of number of sampling dates and magnitude of the ... variance component is given, under the assumptions of: balanced design, and variance component for penguin ... 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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The area north of Joinville–D’Urville Islands (Subarea 48.1) a former fishing ground at the tip of the Antarctic Peninsula – revisited
Abstract: The former fishing ground off Joinville – D’Urville Island was revisited in the course ... of the Antarctic Expedition ANT XIX/3 with RV ‘Polarstern’ in February 2002. Five hauls were ... . Published and unpublished reports by the Fischkombinat in Rostock (ex- German Democratic Republic), Sea ... fishing operations in the 1970’s and 1980’s were analysed in order to provide a comprehensive review of ...
Meeting Document : WG-FSA-03/26 : Auteur(s): K.-H. Kock (Germany), L. Pshenichnov (Ukraine), K. Skora (Poland), Zh.A. Frolkina (Russia) and C.D. Jones (USA)
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A survey of fish stocks in the Heard Island and McDonald Islands region in the 1999/2000 season and a comparison of the abundances of selected species with those obtained in previous surveys
Abstract: A random stratified trawl survey was conducted in May 2000 to assess the abundance of ... icefish, Champsocephalus gunnari, and juvenile pre-recruit toothfish, Dissostichus eleginoides, on the ... stratum. A total of seven surveys have been conducted in the Heard Island and McDonald Islands region ... between years. This is the result of occasional strong year classes entering the fishery and dominating ...
Meeting Document : WG-FSA-00/40 : Auteur(s): R. Williams, A. Constable, T. Lamb and E. van Wijk (Australia)
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Revision of the commercial catch at age of the Antarctic icefish Champsocephalus gunnari over the period 1976/77 to 1990/91
Abstract: A revision of the calculation of total international catch at age of Champsocephalus ... gunnari over the period 1976/77 to 1990/91 is presented. This uses iterative application of two age length ... proposed that the revised catch at age be used for future assessment of the C. gunnari fishery at South ... Georgia using VPA. Author(s): G.B. Parkes (United Kingdom) Title: Revision of the commercial catch at ...
Meeting Document : WG-FSA-93/29 : Auteur(s): G.B. Parkes (United Kingdom)
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Demography of the Korean blue crab, Portunus trituberculatus fishery exploited in the west coast of Korea and the East China Sea
Abstract: A quantitative analysis was carried out to estimate the maximum sustainable yield of ... blue crab distributed around the waters of Korea and in the East China Sea without using fishing effort ... data, fitting monthly catch data to a modified surplus production model. The maximum sustainable yield ... ): J.-U. Lee and D.-H. An (Republic of Korea) Title: Demography of the Korean blue crab, Portunus ...
Meeting Document : WS-CRAB-93/20 : Auteur(s): J.-U. Lee and D.-H. An (Republic of Korea)
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Report on the survey in Subarea 48.2 in 2015 (the first year of the planned 3-year-old investigations)
Abstract: The investigations in March-April 2015 were conducted in subarea 48.2 by Ukrainian ... longliner SIMEIZ. 29 sets were completed during the survey. Altogether 157 specimens of Dissostichus mawsoni ... and 87- Dissostichus eleginoides were collected. The average sizes of Dissostichus mawsoni from the ... . Author(s): Delegation of Ukraine Title: Report on the survey in Subarea 48.2 in 2015 (the first year of ...
Meeting Document : WG-FSA-15/43 Rev. 1 : Auteur(s): Delegation of Ukraine
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The CCAMLR Scheme of International Scientific Observation – A scoping paper on the operations and sampling requirements of the scheme
Abstract: Since its inception in 1992 the CCAMLR Scheme of International Scientific Observation ... the complexity of documenting procedures, variety of sampling requirements and associated data ... management have all increased. Given the likely continued increase in complexity it is essential to have ... processes in place to review, revise and adapt existing procedures to ensure that the scheme overall remains ...
Meeting Document : WG-FSA-12/63 : Auteur(s): Secretariat
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The error of the biomass estimate as a function of survey parameters and the statistics of a density field of krill aggregations
examination and on parameters of survey itself, have been derived with the help of mathematical statistics and ... depends, and direction of survey with respect to the axis of the correlation ellipse and frequency of ... a posteriori estimation of error made when calculating biomass, and for survey planning on the basis ... a basis for the procedure of survey operative control. Author(s): Z.I. Kizner (USSR) Title: The ...
Meeting Document : SC-CAMLR-VI/BG/39 : Auteur(s): Z.I. Kizner (USSR)
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Revision of icefish (C. gunnari) stock estimate in the South Georgia area on the basis of the Russian trawl-acoustic survey 2002
elaboration of the following methodical aspects of trawl-acoustic survey: the processing method improvement ... for target strength estimates using in situ measurement data; the combination of trawl and acoustic ... surveys results for icefish biomass estimates. We discus these methodical aspects and present the new ... ., Kasatkina, S.M. Title: Revision of icefish (C. gunnari) stock estimate in the South Georgia area on the ...
Meeting Document : WG-FSA-SAM-04/10 : Auteur(s): Gasyukov, P.S., Kasatkina, S.M.
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Proposals of the Russian Federation on by-catch reporting in the longline toothfish fishery in the CCAMLR Convention Area
Abstract: Some methods used by observers to record by-catch data in the longline toothfish ... in the CCAMLR Convention Area are shown. Author(s): Delegation of the Russian Federation Title ... : Proposals of the Russian Federation on by-catch reporting in the longline toothfish fishery in the CCAMLR ...
Meeting Document : WG-SAM-16/24 : Auteur(s): Delegation of the Russian Federation