Search results
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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 : Author(s): C.D. Jones and M. Hull (USA)
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The Price of Fish: A global trade analysis of Patagonian (Dissostichus eleginoides) and Antarctic toothfish (Dissostichus mawsoni)
), there are currently no methods in place to monitor the volume or value of toothfish traded in the ... great commercial importance to the 13 nations that actively harvest toothfish for global consumption ... . The major consuming nations have the most influence over toothfish trade and it is important to ... , are managed by the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR ...
Meeting Document : CCAMLR-XXXIII/BG/14 Rev. 2 : Author(s): Secretariat
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Movement and growth of tagged toothfish around South Georgia and Shag Rocks (Subarea 48.3)
groundfish surveys may not yet be large enough to be available to the longline fishery and there have been no ... Abstract: In 2000 the UK started a toothfish (Dissostichus eleginoides) tagging programme. The ... aims were to investigate the spatial and temporal movement of fish and to validate growth estimates ... Oxytetracycline which places a marker on the otolith indicating the date of injection and release. To date, 50 ...
Meeting Document : WG-FSA-02/28 : Author(s): T.R. Marlow, D.J. Agnew and I. Everson (United Kingdom)
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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 : Author(s): Sushin, V.A.
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in SSRU 882E including data from the 2005/06 season
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... model for Antarctic toothfish (Dissostichus mawsoni) in the SSRU 88.2E, using revised catch, CPUE, catch ... -at-age and tag-recapture data from New Zealand and all vessels. The updated reference case resulted ... different assumption of the level of natural mortality (M=0.13 y-1), and the revised length-weight and ...
Meeting Document : WG-FSA-06/48 : Author(s): A. Dunn and S.M. Hanchet (New Zealand)
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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 : Author(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 : Author(s): Daly, H.I., Murray, A.W.A., Watkins, J.L.
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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 : Author(s): Boyd, I.L.
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Report on the CCAMLR marine debris monitoring program
annually there have been no long-term trends over the past decade. Extrapolation of these findings to areas ... entanglements and hydrocarbon soilings were received for 2014 from South Africa, the United Kingdom, and Uruguay ... . Non-fishing items such as plastics, packaging materials and wood remain the most common type of debris ... items found in beach surveys. The fishing items found were mostly from longline and trawl origins ...
Meeting Document : WG-FSA-14/68 : Author(s): Secretariat
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Developing a carbon-budget trophic model of the Ross Sea, Antarctica: work in progress
organisms in the Ross Sea was used whenever available. Where no information in the literature was available ... Abstract: We report on the development of a carbon-budget trophic-model of the Ross Sea. We ... provisionally defined the food web of the Ross Sea as having the following functional compartments: birds, seals ... column, ice, and benthic). The simple trophic model requires well over a hundred parameters, each of ...
Meeting Document : WG-EMM-05/18 : Author(s): M. Pinkerton, S. Hanchet, J. Bradford-Grieve and P. Wilson (New Zealand)