Résultats de la recherche
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CPUEs and body length of Antarctic krill during the 1999/2000 season in Area 48
Abstract: Four Japanese krill fishing vessels operated in Area 48 during the 1999/2000 split year ... . Trawling positions, CPUEs and body length of Antarctic krill during the period is described. The krill ... the possibility of intra-annual variability of two krill stocks (Antarctic Peninsula and Weddell Sea ... krill during the 1999/2000 season in Area 48 Approval: Approved ...
Meeting Document : WG-EMM-01/36 : Auteur(s): S. Kawaguchi and M. Naganobu (Japan)
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KRILL DENSITY ESTIMATES IN CCAMLR SUBAREA 48.6 BASED ON ACOUSTIC DATA COLLECTED DURING JANUARY–MARCH 2008
Antarctic Krill and Ecosystem Studies (AKES) from January to March 2008. Acoustical data were sampled ... S in the sparsely studied CCAMLR subarea 48.6. The mean density of Antarctic krill, integrated to ... 270 m depth was 4.42 g/m2. The krill were mainly found in strong aggregations and were patchily ... distributed. The majority of the detected krill was distributed between 40 and 80 m depth, and approximately ...
Meeting Document : WG-EMM-09/45 : Auteur(s): G. Skaret, B.A. Krafft and R. Korneliussen (Norway)
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The integrated krill assessment model for Subarea 48.1 with future catches meeting alternative decision rules
Abstract: Model results and diagnostics for the integrated assessment model for krill in Subarea ... 48.1 are summarized. Alternative potential decision rules based on the distributions of krill spawning ... , and WG-FSA in a number of papers since 2011. The assessment model for krill in Subarea 48.1 is offered ... as a tool for CCAMLR to use in managing the krill fishery in Subarea 48.1. Author(s): D. Kinzey, G.M ...
Meeting Document : WG-SAM-16/36 Rev. 1 : Auteur(s): D. Kinzey, G.M. Watters and C.S. Reiss
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Observer coverage in CCAMLR krill fisheries from 2011 to 2015
Abstract: The issue of observer coverage in krill fisheries has been the subject of extensive ... discussion at the Commission for a number of years, as the krill fishery is the only CCAMLR fishery that does ... past five years comparing the number of days of fishing conducted by vessels in the krill fleet, with ... across the krill fleet, spanning all subareas and seasons. Author(s): CCAMLR Secretariat Title ...
Meeting Document : WG-EMM-16/11 : Auteur(s): CCAMLR Secretariat
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SUMMARY OF NOTIFICATIONS FOR KRILL FISHERIES 2011/12
Abstract: Six Members submitted notifications for a total 15 vessels for krill fisheries in ... Subareas 48.1, 48.2, 48.3 and 48.4 in 2011/12, and the total notified, expected level of catch of krill is ... 391,000 tonnes. There was no notification submitted for exploratory fisheries for krill in 2011/12. Author ... (s): Secretariat Title: SUMMARY OF NOTIFICATIONS FOR KRILL FISHERIES 2011/12 Approval: Approved ...
Meeting Document : WG-EMM-11/08 : Auteur(s): Secretariat
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Modelling the predator–prey interactions of krill, baleen whales and seals in the Antarctic ecosystem
Abstract: The history of human harvests of seals, whales, fish and krill in the Antarctic is ... summarized briefly, and the central role played by krill emphasized. The background to the hypothesis of a ... krill surplus in the mid 20th Century is described, and the information on population and trend levels ... krill, four baleen whale (blue, fin, humpback and minke) and two seal (Antarctic fur and crabeater ...
Meeting Document : WG-EMM-05/34 : Auteur(s): M. Mori and D.S. Butterworth (South Africa)
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A multiple-frequency method for identifying and assessing the Antarctic krill stock in the Ross Sea (1989/90, 1997/98 and 1999/2000)
Italian expeditions to the Ross Sea to discriminate Euphausia superba (krill) aggregations from Euphausia ... applied to estimate krill biomass in the area of Ross Sea (22000 nm2), investigated from 19 to 26 December ... 1997. It results that krill biomass estimated by the criteria based on multiple frequency method is ... 8.87% lower than krill biomass estimated using conventional methods (net samplings and/or echogram ...
Meeting Document : WG-EMM-00/37 : Auteur(s): M. Azzali, J. Kalinowski and G. Lanciani (Italy)
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By-catch of juvenile Antarctic fish from krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992
krill fishing by the BAT GrigOly Kovtun in the region of the South Georgia Islands during the period May ... larseni. The frequency of occurrence of juvenile fish was 18.2% when considering all krill tows and 45.5 ... krill, ranged from 700 to 18 900 individuals. In the case of C.gunnari, average values were 966±225 ind ... /1t krill and 2434±579 ind/1t krill for all trawls and for shelf trawls, respectively. Similarly, for ...
Meeting Document : WG-FSA-93/8 Rev. 1 : Auteur(s): E.A. Pakhomov and S.A. Pankratov (Ukraine)
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Swarm characteristics of Antarctic krill Euphausia superba relative to the proximity of land during summer in the Scotia Sea
swarming characteristics of Antarctic krill across the Scotia Sea in January and February 2003. Krill ... zone compared to <80 m 2 further offshore. The packing concentration of krill within inshore swarms ... . The highest median number of swarms per km and krill acoustic biomass per km was found in the 50 to ... marginally deeper in the night in offshore regions. Krill are likely to move between inshore and offshore ...
Meeting Document : WG-EMM-10/P09 : Auteur(s): T. Klevjer, G.A. Tarling and S. Fielding
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Potential climate change effects on the habitat of Antarctic krill
Abstract: Antarctic krill is an obligate cold water species, an increasingly important fishery ... used a statistical model linking Antarctic krill growth to temperature and chlorophyll concentration to ... assess the influence of projected warming on Antarctic krill habitat quality. The results divide the ... sites on South Georgia could be up to 55%, and the habitat’s ability to support Antarctic krill biomass ...
Meeting Document : WG-EMM-13/20 : Auteur(s): S.L. Hill, T. Phillips and A. Atkinson (United Kingdom)