Résultats de la recherche
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Is population structure of Patagonian toothfish (Dissostichus eleginoides) determined by the Antarctic Circumpolar Current?
Abstract: Water transported by the Antarctic Circumpolar Current (ACC) in the Southern Ocean may ... off the southern South American continent around the Falkland Islands north of the Sub-Antarctic Front ... of the ACC, and off Kerguelen and South Georgia Islands, situated respectively in the southern Indian ... and Atlantic Oceans to the south of the Polar Front. We fitted von Bertalanffy (VB) models ...
Meeting Document : WG-FSA-03/84 : Auteur(s): J.R. Ashford, C.M. Jones, E. Hofmann (USA), I. Everson (United Kingdom) and G. Duhamel (France)
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The US commercial krill fishery in Area 48: development, fishing patterns, and decision making
Ocean had no prior experience fishing for krill, anecdotal and historical information served as the ... Abstract: A U.S. flagged commercial factory trawler, the Top Ocean, started fishing operations ... year since the initial fishing trials. This paper presents information on the development, yields, and ... decision making processes involved in harvesting krill by the U.S. fishery. Because the Captain of the Top ...
Meeting Document : WG-EMM-02/18 : Auteur(s): C.D. Jones and M. Hull (USA)
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Larval development and spawning ecology of euphausiids in the Ross Sea and its adjacent waters in 2004/05
no juveniles occurred concurrently. Thus the slope does not appear to be a nursery ground for this ... Abstract: The horizontal and vertical distributions of larvae and reproductive timing of ... euphausiids were investigated in the Ross Sea and its adjacent waters during austral summer 2004–2005 ... . Occurrences of larvae of Euphausia frigida and E. triacantha were confined to the northern oceanic area where ...
Meeting Document : WG-EMM-10/P06 : Auteur(s): K. Taki, T. Yabuki, Y. Noiri, T. Hayashi and M. Naganobu
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Distribution of Soviet commercial fleet at krill fishery in the South Orkneys subarea (Subarea 48.2) during 1989/90
Abstract: The results of analysis of haul by haul catch statistics of Soviet commercial fleet ... during 1989/90 season (totally 3614 hauls for the period from 1.11.1989 to 12.06.1990 are presented ... . Actually during the whole season fishing vessels worked in one fishing ground off the north-western edge of ... 6.9-7.1 t/hour by May-June. Stability of the fishing ground is stipulated by peculiarities of the area ...
Meeting Document : WG-EMM-97/50 : Auteur(s): Sushin, V.A.
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OPERATIONAL DIFFICULTIES IN IMPLEMENTING THE CCAMLR TAGGING PROTOCOL IN DIVISION 58.4.1 IN 2007/08
one haul (no catch) due to adverse ice conditions, and the vessel exited that Division; • The vessel ... Abstract: The Uruguayan-flagged longliner Banzare experienced sea-ice related, operational ... difficulties in implementing the CCAMLR Tagging Protocol in Division 58.4.1 in 2007/08. Extensive sea-ice cover ... greatly increased the transit times between research haul locations, which resulted in long soak times and ...
Meeting Document : WG-FSA-08/16 : Auteur(s): A.T. Lozano and O. Pin (Uruguay)
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Variation in the distribution of Antarctic krill Euphausia superba around South Georgia
). The PCA for all cruises combined showed that there were no obvious differences in the type of krill ... Abstract: Between 1980 and 1997 British Antarctic Survey carried out 11 cruises in the region of ... South Georgia. Here we summarize the length-frequency distributions of krill caught on each of these ... cruises and look particularly at differences between krill taken from the eastern and western ends of the ...
Meeting Document : WG-EMM-97/47 : Auteur(s): Daly, H.I., Murray, A.W.A., Watkins, J.L.
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An integrated stock assessment for the Crozet Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Subarea 58.6
Abstract: This paper presents an updated stock assessment for the Patagonian toothfish ... (Dissostichus eleginoides) fishery of the Crozet Islands, CCAMLR sub-area 58-6, with data up to the end of the ... season 2018/2019 (End of August 2019). This updated assessment model is based on the best available data ... data that account for fish removals (fishing mortality and depredation) and support the estimation of ...
Meeting Document : WG-FSA-2019/57 Rev. 1 : Auteur(s): F. Massiot-Granier, G. Duhamel and C. Péron
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Temporal scales of foraging in a marine predator: implications for interpreting the distribution of prey
Abstract: The pattern of prey distribution can profoundly affect the foraging behavior and ... must be able to adapt quickly to changes in the spatial patterning of prey. Antarctic fur seals feed ... the surface, the time taken for a fur seal to locate a new patch after leaving an old one is an ... indication of the distance between patches. The frequency distribution of intervals between bouts of foraging ...
Meeting Document : WG-EMM-95/23 : Auteur(s): Boyd, I.L.
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Development of methods for evaluating the management of benthic impacts from longline fishing using spatially explicit production models
no management action, but that the size of effects under the plausible models was often very small ... Abstract: An important management objective for CCAMLR in the high seas region of the Antarctic ... investigate a range of simple scenarios for simulating the effect and management of benthic impacts from ... , and spatial scale, with and without management by areal closures. Further, the management action ...
Meeting Document : WG-SAM-10/19 : Auteur(s): A. Dunn, S.J. Parker and S. Mormede (New Zealand)
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An integrated stock assessment for the Kerguelen Island EEZ Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.1
Abstract: This paper presents an updated stock assessment for the Patagonian toothfish ... (Dissostichus eleginoides) fishery of the Kerguelen Islands EEZ, CCAMLR Division 58.5.1. It includes commercial ... fishery data up to the end of the season 2018/2019 (end of August 2019). The updated assessment model is ... based on the best available data and includes abundance estimates from random stratified trawl surveys ...
Meeting Document : WG-FSA-2019/58 : Auteur(s): F. Massiot-Granier, G. Duhamel and C. Péron