Search results
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Otolith microstructure of juvenile fish, the first annulus radius and pelagic stage duration of icefish Champsocephalus gunnari (Channichthyidae) in the South Georgia area
Abstract: On the basis of the results of the trawl-acoustic survey in February-March 2002, the ... microstructure analysis of otoliths of juvenile icefish of 5.5-13.3 cm in length was carried out. Fish studied ... represent a mixture of two year-classes of 1999-2000 and 2000-2001. The mean width of the daily growth zone ... in the first 100 days of fish life was 6?k at fish length of 4 cm. By the 200th day the daily growth ...
Meeting Document : WG-FSA-03/75 Rev. 1 : Author(s): L.V. Shcherbich (Russia)
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Investigations of intensity of krill drift near South Georgia Island
Abstract: Calculation of drift’s speed (transport with current) of Antarctic krill along the ... northeastern shore of South Georgia Island (between 54-55S and 34-39W) were carried out. Length of island’s ... shelf for calculation was assumed about 300 km, but average width of shelf (from shore to 500 m isobate ... ) was assumed about 60 km. Speed of drift in these spatial limits was assumed about 10 cm sec-1. The ...
Meeting Document : WG-CEMP-92/32 : Author(s): V.V. Popkov (Russian Federation)
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Preliminary results of otolith elemental composition analysis of Dissostichus spp. in Subarea 48.2
Abstract: In order to explore aspects related to the structure of population units and habitat ... use of Dissostichus spp. within CCAMLR Subarea 48.2, the elemental composition of nuclear and marginal ... sections of 10 otoliths from adults of D. eleginoides and 20 otoliths from adults of D. mawsoni from ... samples of otoliths collected during the first season of the research carried out by the Chilean ...
Meeting Document : WG-FSA-17/30 : Author(s): Delegation of Chile
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Some idea of numerical model for assessment of Euphausia superba biomass
Abstract: A numerical model is being developed for assessment of Euphausia superba in Antarctic ... Ocean, which consists of: (1)calculation of three dimensional current field using CCSR version ... (developed by Dr. Yamanaka of Center of Climate System Research, University of Tokyo) of the three ... )calculation of spatial distribution of DIN (Dissolved Inorganic Nitrogen) (3)calculation of spatial ...
Meeting Document : WG-KRILL-93/19 : Author(s): M.J. Kishi and M. Naganobu (Japan)
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Reproductive analysis of Dissostichus mawsoni in SSRU 5841C-a for the exploratory longline fishery in 2012/13 of Korea
Abstract: In the Division 58.4.1 there are two stocks of Dissostichus mawsoni, which is ... vulnerable with a big range of about 1,000-2,000 t per SSRU in 58.4.1. However, there is not enough data to ... analyze the reproductive ecology of Dissostichus mawsoni in SSRU 58.4.1C-a based on the histological ... methods as a part of Korean research plan for Dissostichus spp. in SSRUs 58.4.1 C and E during 2012/2013 ...
Meeting Document : WG-SAM-13/27 : Author(s): I.J. Yeon, J.S. Lee, Y.J. Kwon, M.A. Jeon, S.K. Choi, K.J. Seok, D.W. Lee, K.Y. Ku and H.J. Kim (Republic of Korea)
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A BALANCED MODEL OF THE FOOD WEB OF THE ROSS SEA, ANTARCTICA
Abstract: We present a quantitative food web of the Ross Sea as a step towards investigating ... ecosystem effects of the fishery for Antarctic toothfish (Dissostichus mawsoni). The model consolidates ... quantitative information on trophic links across all the major biota of the Ross Sea and tests for data ... consistency. The model has 38 trophic groups and is balanced in terms of annual flows of organic carbon in an ...
Meeting Document : WG-EMM-09/42 : Author(s): M.H. Pinkerton, J.M. Bradford-Grieve and S.M. Hanchet (New Zealand)
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Indicators of krill flux at various spatial-temporal based on the data of multi-year research carried out in the Scotia Sea. Comments on krill fishery management
Abstract: The subject of research was geostrophic circulation of water masses, spatial ... distribution of krill density, intensity of water flows (m³/s) and krill biomass (g/m³) transported by water ... understanding of krill biomass dynamic. It has been shown that the formation of transport of krill in the ... Weddell Sea. The data obtained demonstrate that the dynamics of krill biomass in a given area is more ...
Meeting Document : WG-EMM-2019/58 : Author(s): S. Kasatkina and V. Shnar
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Observer coverage required for the prediction of incidental capture of seabirds in New Zealand commercial fisheries
Abstract: This report obtains estimates of observer coverage required to predict the total ... numbers of incidental seabird captures (albatross and petrel taxa combined) in a fishery with a specified ... coefficient of variation. Fisheries analysed are determined by the quality and the availability of data and a ... known history of seabird captures: the trawl fisheries targeting hoki in the Sub-Antarctic, on the ...
Meeting Document : WG-FSA-05/50 : Author(s): M.H. Smith and S.J. Baird (New Zealand)
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Interannual variability of standardised index of krill abundance in Area 48 according to CCAMLR fishery statistics database
Abstract: Standardization of fishing effort on the basis of the generalized linear models with ... mixed effect (GLMM) allows to the authors to analyze the specific character of the spatial distribution ... of fishery at the scale of Area 48, Subareas 48.1-48.3, SSMUs and years using CAMLR statistical ... database. The interannual variability of the standardized CPUE related to the fishery performance was ...
Meeting Document : WG-EMM-10/17 : Author(s): P.S. Gasyukov and S.M. Kasatkina (Russia)
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Method for collecting of data on traumatic death of krill passed through the trawl meshes
Abstract: Fishing for krill Euphasia superba Dana has been conducting using midwater trawls of ... different constructions including beam-trawl for several last decades. Not all krill in harvesting zone of ... midwater trawl got to catch during trawling. Depending on stock structure, size and physiological state of ... krill individuals some part of them could pass through cover of net bag and escape of catch. In contact ...
Meeting Document : WG-EMM-12/43 : Author(s): V.V. Akishin, I.G. Istomin, V.A. Tatarnikov, A.F. Petrov and R.O. Lebedev (Russia)