Search results
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Quantifying the escape mortality of trawl caught Antarctic krill (Euphausia superba)
of which are expected to increase. However, many of the length classes of krill can escape through ... commonly used commercial trawl mesh sizes. A vital component of the overall management of a fishery is to ... estimate the total fishing mortality and quantify the mortality rate of individuals that escape from ... mortality rates of escaped krill. Haul duration, hydrological conditions, maximum fishing depth and catch ...
Meeting Document : WG-EMM-16/04 : Author(s): B.A. Krafft, L.A. Krag, A. Engås, S. Nordrum, I. Bruheim and B. Herrmann
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Preliminary biomass estimation of Antarctic krill based on the swarm-based method for CCAMLR Division 58.4.1 in 2018/19 using data obtained by Japanese survey vessel Kaiyo-maru
Abstract: Biomass (B 0) of Antarctic krill for CCAMLR Division 58.4.1 in 2018/19 was ... different, (2) timing of the surveys were different (Kaiyo-maru survey commenced about 40 days earlier than ... BROKE) and (3) areal coverages were different primary because of difference of positions of sea ice edge ... especially in the western part of the Division. The CV of biomass estimate of Kaiyo-maru survey was high ...
Meeting Document : SG-ASAM-2019/02 : Author(s): K. Abe, R. Matsukura, N. Yamamoto, K. Amakasu and H. Murase
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Trade data analysis – A report of trends and supply chains in CDS data
Abstract: Analysis of the trends and supply chains in the CDS data for 2016 and 2017 has ... identified increased use of the CDS with increases in the number of DCDs (41%), DEDs (35%) and DREDs (193 ... %) between these years. Across both years Chile had the greatest number of DCDs landings, exports and the ... largest quantity of landings (4 185 tonnes and 5 586 tonnes). For both years France exported the largest ...
Meeting Document : CCAMLR-XXXVII/BG/03 : Author(s): CCAMLR Secretariat
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Results of scientific observation on board RKT-S (cannery fishing super trawler) Konstruktor Koshkin in Statistical Area 48 in March–June 2003 as compared with previous seasons
of vessel operations, biological state of krill, results of identification of the principal size ... groups with the aim of defining their belonging to specific generations. It gives the analysis of the ... weather and ice conditions, assessment of krill abundance in aggregations and of fisheries situation in ... (Ukraine) Title: Results of scientific observation on board RKT-S (cannery fishing super trawler ...
Meeting Document : WG-EMM-04/10 : Author(s): V.A. Bibik and S.A. Klementiev (Ukraine)
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Estimation of primary organic matter production intensity and its interannual changeability in the Cooperation Sea region
Abstract: Complexity of direct determination o£ production intensity obliges the investigators to ... use indirect methods.In this work the method of calculation is based on the estimate of winter ... . The calculation showed considerable interannual changeability of production intensity,having the ... indications of three-year cyclicity:production maxima were noted in 1979, 1982, 1985 and 1988. The sychronism ...
Meeting Document : WG-CEMP-91/32 : Author(s): A.T. Kochergin (USSR)
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Lipid metabolism features of Antarctic toothfish Dissostichus mawsoni (Nototheniidae)
Abstract: Lipid metabolism and indices of oxidation processes obtained during examination of ... specimens of Antarctic toothfish Dissostichus mawsoni (Perciformes: Nototheniidae) caught in the Ross Sea ... are given. Blood plasma, tissues mesonephric kidney, liver and spleen were studied for the content of ... total lipids and lipid composition, products of lipid peroxidation and level of antioxidant protection ...
Meeting Document : WG-EMM-16/25 : Author(s): I.I. Gordeev, D.V. Mikryakov, N.I. Silkina and A.S. Sokolova
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Biomass abundance and distribution of fish in the Kerguelen Islands’ zone (Division 58.5.1)
(September-October 2006) off the Kerguelen Islands (division 58-5-1), the northern part of the Kerguelen ... Plateau. The sweep-area method was used in the range 100 and 1000 m with random stratified stations of ... bottom trawling. Estimations of biomass and abundance are provided for eight commercial species. The ... of the value (124 000 tonnes). The biomass is displayed between the shelf and the deep-sea. Such ...
Meeting Document : WG-FSA-07/16 : Author(s): G. Duhamel and M. Hautecoeur (France)
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Analysis of krill fishery behaviour in the southwest Atlantic: potential signals for moving fishing activities amongst SSMUs
seasons by analyzing CPUE (catch per hour) patterns towards the end of their sets of operations before ... leaving a SSMU, as well as its timing of the day, diurnal pattern of CPUE and fishing depth. Vessels tend ... than a day to explore the fishing grounds from multiple options for the start of the fishing season ... . Vessels move around less frequently in Subarea 48.2 during the summer season because of only one viable ...
Meeting Document : WG-EMM-07/27 : Author(s): S. Kawaguchi, A. Constable and S. Nicol (Australia)
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Estimates of krill biomass with commercial significance in small-scale management units applying geostatistics techniques
Abstract: The analysis of krill density and biomass distributions was made by the example of SGE ... Russian survey 2002 were used. Processing of the acoustic survey data in 2000-2002 was made applying ... geostatistical methods. It was revealed significant inter-annual and seasonal variability of the standing stock ... biomass constituted 1.0587 mlt for eastwards of 37°W and 1.000mt for westward of 37°W, but commercial ...
Meeting Document : WG-EMM-06/36 : Author(s): S.M. Kasatkina and P.S. Gasyukov (Russia)
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Reports on abundance and biological information of toothfish in Division 58.4.4a & b by Shinsei Maru No. 3 in 2012/13 season
Abstract: A survey was conducted to collect data of stock status and various biological ... information of toothfish in SSRUs C and D of Division 58.4.4a & b (Ob Lena Banks) from April 25 to May 22 ... , 2013. A total of 64 research hauls using normal trotline system were made in SSRUs C and D. Total catch ... of Dissostichus eleginoides (excluding those tagged and released) was 31.1 tonnes in the survey area ...
Meeting Document : WG-SAM-13/20 : Author(s): K. Taki, T. Ichii, T. Iwami and M. Kiyota (Japan)