Résultats de la recherche
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Pursuit and polynyas in the Ross Sea, Antarctica
polynya existed in the inner area of the Ross Sea in November of the each year. The shape of the polynya ... in each years except 1982, 1988 and 1992. Author(s): M. Naganobu, T. Tanaka, Y. Okada, N. Kimura and ... influence biological activity. We pursued daily transition of polynyas in the Ross Sea, Antarctica from 1978 ... changed remarkably in several days. The polynyas have the range of approximately 500 km from the bottom to ...
Meeting Document : WG-EMM-98/31 : Auteur(s): M. Naganobu, T. Tanaka, Y. Okada, N. Kimura and S. Matsumura (Japan)
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Description of fishing gear and procedures of setting / hauling of Spanish longline system for toothfish in CCAMLR area
Abstract: Although Spanish longline has been used in CCAMLR fisheries for a number of years ... , detailed information on the fishing gear and the procedures for setting/hauling has not been described in ... detail and is not currently included the CCAMLR gear library. In order to contribute to the assessment of ... : Description of fishing gear and procedures of setting / hauling of Spanish longline system for toothfish in ...
Meeting Document : WG-FSA-11/53 : Auteur(s): T. Jung and H.J. Choi (Republic of Korea)
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Stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1991/91 season, using virtual population analysis
situation to assessments in 1989/90 with a decrease in overall biomass and recruitment over recent years ... Abstract: An assessment of the Champsocephalus gunnari fishery in sub-area 48.3 using VPA from ... catches in the near future on the basis of a target F is questioned Author(s): G. Parkes (United Kingdom ... ) Title: Stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea ...
Meeting Document : WG-FSA-91/15 : Auteur(s): G. Parkes (United Kingdom)
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DEFINING TAG RATES AND TACS TO OBTAIN SUITABLY PRECISE ABUNDANCE ESTIMATES FOR NEW AND EXPLORATORY FISHERIES IN THE CCAMLR CONVENTION AREA
catches (TACs) that would be expected to yield a pre-specified precision in a resultant abundance estimate ... formula that gives the expected coefficient of variation of the abundance estimate in terms of the number ... of releases and recaptures, which can in turn be expressed in terms of the tagging rate per tonne ... be extremely useful in terms of defining suitable catch levels and tagging rates required to obtain a ...
Meeting Document : WG-SAM-08/06 : Auteur(s): R.M. Hillary (UK)
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 1993 winter and 1993/94 pup-rearing season
1990. For the first time more animals were entangled in net fragments (35%) than in packaging bands (30 ... Abstract: Surveys of Antarctic fur seals entangled in man-made marine debris were carried out for ... the fourth consecutive winter and sixth consecutive summer at Bird Island, South Georgia. In the 1993 ... in 1990 and 1991. Nearly all animals were juveniles, half with severe injuries and the proportion of ...
Meeting Document : SC-CAMLR-XIII/BG/03 : Auteur(s): Delegation of United Kingdom
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On the possibility of practical utilisation of krill target strength TS in situ obtained on the basis of EK-500 measurements
Abstract: Comparative analysis of krill length distribution in the echosurvey area, obtained with ... obtained on the basis of the empiric model by Greene et al. (1991) using estimates of target strength in ... significantly lower (20-25%) those obtained from catch analysis. Utilization of trawl and acoustic methods of ... krill length estimation in echosurveys implemented in practice as target strength (TS) in situ ...
Meeting Document : WG-EMM-98/19 : Auteur(s): S.M. Kasatkina (Russia)
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Variation of ice edge position in western part of Atlantic sector of the Antarctic
temporal variation in the area between 65° and 20°W. Amplitude of the seasonal variation of the ice edge ... winter, and to the west to the Weddell Sea in summer. 6-7 year cyclicity in the ice edge position is ... argumented in year to year aspect. Dependencies between dates of ice retreat from the South Orkneys and South ... Abstract: Satellite imagery of the pack ice edge position in western part of the Atlantic sector ...
Meeting Document : SC-CAMLR-VIII/BG/49 : Auteur(s): Delegation of USSR
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Updated assessment of Patagonian toothfish (Dissostichus eleginoides) in the vicinity of Crozet Islands (Subarea 58.6)
Abstract: This paper presents the latest developments in models for Crozet following the more ... Patagonian toothfish (Dissostichus eleginoides) in the vicinity of Crozet Islands (Subarea 58.6) Approval ... recent ones (Sinègre & Duhamel, 2016) with an updating of input data from the more recent years (up ...
Meeting Document : WG-FSA-17/59 : Auteur(s): R. Sinegre, G. Duhamel and J.B. Lecomte
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Evidence of two stocks of Champsocephalus gunnari in the South Georgia region, CCAMLR fishing Area 48.3
Abstract: In 1991, the 0 age-class of C. gunnari were sampled at Shag Rocks on 18 January, off ... Possession Bay, South Georgia during 19-20 January and off much of the north-east coast of South Georgia ... -46mm and 55-87mm SL. however, off Possession Bay only one mode of 25-57mm SL was apparent. Fish in ... periods and/or growth rates. This suggests that there are two separate stocks of C. gunnari in a single ...
Meeting Document : WG-FSA-94/16 : Auteur(s): A.W. North (United Kingdom)
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KRILL FISHERY BEHAVIOUR IN THE 1999/2000 SEASON
mobile season in the last 10 years. Through the analysis of relation between catch level and vessel ... condition in 1999/2000 season to assist consideration of the regional krill density and distributional ... conditions observed in the CCAMLR 2000 synoptic survey. The vessels seemed to have been moving around more ... . Author(s): S. Kawaguchi (Australia) Title: KRILL FISHERY BEHAVIOUR IN THE 1999/2000 SEASON Approval ...
Meeting Document : WG-EMM-08/40 : Auteur(s): S. Kawaguchi (Australia)