Resultados de la búsqueda
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Analysis of inter-vessel variability of krill length distribution in the catches obtained in the fishery in the Bransfield Strait (Subarea 48.1)
Abstract: The inter-vessel variability of krill distribution in the catches obtained in the ... Bransfield Strait (SSMU APBSW and APBSE) in April and May 2014 and 2015 was analyzed. The presence of ... statistically significant differences in the krill length distributions from catches obtained by the vessels ... operating in the fishing grounds with spatio-temporal overlapping is shown. At the same time, significant ...
Meeting Document : WG-EMM-17/28 : Autor(es): S. Kasatkina
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Reports on abundance and biological information of toothfish in Division 58.4.3b by Shinsei Maru No.3 in the 2010/11 and proposal of the consecutive survey in the 2011/12
Abstract: In accordance with the Conservation Measure 41-07 (2010), a survey was conducted in ... order to collect information for the stock status and biology of toothfish in the southeast sector (24 ... released alive) of Dissostichus spp. and other bycatch species was 12.0 tonnes in the SE sector, where the ... catch limit of 15 tonnes was set. Dissostichus spp. made up 90.3 % in terms of weight of the whole fish ...
Meeting Document : WG-SAM-11/05 : Autor(es): K. Taki, T. Iwami and M. Kiyota (Japan)
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Analysis of longline fleet operation on the Patagonian toothfish (Dissostichus eleginoides) in the subarea of the South Georgia Island (48.3) in 1989–2003
Abstract: The main characteristics of Patagonian toothfish (Dissostichus eleginoides) catch ... dynamics off the South Georgia Island and Shag Rocks (sub-area 48.3) for the 1989-2003 period are given ... . Taken the intensity of fleet operation as an example in the sub-area, it was confirmed a decrease in ... catches both for 1000 hooks and vessel/day. The given objective long-term data evidenced a substantial ...
Meeting Document : WG-FSA-03/98 : Autor(es): N.V. Kokorin and A.F. Petrov (Russia)
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Development of the krill stock in the elephant island region during the 1996/97 season
Abstract: During December 1996 the Elephant Island standard grid was surveyed for krill and salps ... . Krill and salps were present at almost all of the stations, other epipelagic zooplankton species were ... was much higher than in previous years. The krill stock was dominated by length classes around 35 mm ... , representing age group 2+ and the year-class 1994/95 (proportional recruitment R2 = 0.85). The year-class 1995 ...
Meeting Document : WG-EMM-97/16 : Autor(es): Siegel, V.
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A proposed process for the management of model updates and software versions for stock assessment used within CCAMLR with the example of the CASAL software
Abstract: We propose a process by which to select the version of software generally used for ... stock assessments in CCAMLR, with the specific example of the CASAL software used for stock assessment ... . The latest published version of any stock assessment software approved by CCAMLR should be used by ... default, unless the latest development version is necessary, in which case it is the responsibility of the ...
Meeting Document : WG-SAM-14/32 : Autor(es): S. Mormede and A. Dunn (New Zealand)
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Censuses in the northernmost colony of Emperor penguin (Aptenodytes forsteri) in the tip of the Antarctic Peninsula at Snow Hill Island, Weddell Sea, Antarctica
Abstract: Breeding colonies of the emperor penguin Aptenodytes forsteri are distributed ... throughout the Antarctic seasonal pack ice zone. One of the last colonies of emperors penguins discovered is ... situated on the south coast of Snow Hill Island, constituting the northernmost colony known in Antarctica ... over the colony during the 2013 breeding season. Likewise, we explored the colony by land, making an ...
Meeting Document : WG-EMM-14/56 : Autor(es): M. Libertelli and N. Coria (Argentina)
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Variation in the diet of the blue-eyed shag Phalacrocorax atriceps throughout the breeding season at Half-Moon Island, South Shetland Islands
Abstract: One hundred and seventy three regurgitated casts of the blue-eyed shag or imperial ... weekly sampling throughout the breeding season from December 1993 to February 1994. Demersal-benthic fish ... were the main prey (91% in number) followed by mollusks and polychaetes. Six fish species were ... , Gobionotothen gibberifrons and Pagothenia bernacchii. Notothenia coriiceps was the most frequent (F%=73) and ...
Meeting Document : WG-EMM-95/78 : Autor(es): Barrera-Oro, E., Casaux, R.
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What’s the catch? Profiling the risks and costs associated with marine protected areas and displaced fishing in the Scotia Sea
Abstract: A principal concern with implementing marine protected areas (MPAs) is the displacement ... fisheries and the ecosystem. Understanding such outcomes is critical in the Southern Ocean, where MPAs are ... evaluated two MPA scenarios and associated displacements of the Antarctic krill fishery in the Scotia Sea by ... quantifying their potential to affect risks of depleting krill-dependent predators and costs to the fishery ...
Meeting Document : WS-SM-18/P03 : Autor(es): E.S. Klein and G.M. Watters
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Assessment of the Action Plan aimed at reducing incidental catch of seabirds in the French EEZ included in the CCAMLR Division 58.5.1 and Subarea 58.6
mortality by 50% in the French EEZ included in the statistic division and subarea 58.5.1 and 58.6 for the ... period 2008/2009 to 2010/2011. The aim of this document is to present the various measures implemented ... and results achieved. The assessment also reports the actions taken since 2002 to reduce the ... incidental catch of sea birds in the area. In addition to the sharp decrease in incidental catch of seabirds ...
Meeting Document : WG-IMAF-11/10 Rev. 1 : Autor(es): C. Marteau (France)
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Natural mortality rates of the Antarctic krill Euphausia superba Dana in the Indian sector of the Southern Ocean
Abstract: Data on the size and age composition of Euphausia superba were collected in the ... Cooperation and Cosmonaut Seas from 1985 to 1990. The coefficients of instantaneous natural mortality of ... E.superba in the Indian sector of the Southern Ocean were calculated according to Alverson-Carney’s (1975 ... 0.59 and from 0.94 to 2.30, respectively. The estimation of the annual extinction rate of E. superba ...
Meeting Document : WG-KRILL-93/44 : Autor(es): E.A. Pakhomov (Ukraine)