Результаты поиска

1. On possibility of using acoustic method to improve quality of Champsocephalus gunnari biomass estimates in Subarea 48.3

   Abstract:  An attempt has been made to study icefish as an object of acoustic survey basing on the ... acoustic and biological data obtained by Russian RN ATLANTIDA in the area of South Georgia Island (January ... -February 2000). Estimation of possible target strength values was made by a comparison to TS of other fish ... and physical body properties. There has been proved a comparability of Ch.gunnari length frequencies ...

   Meeting Document : WG-FSA-00/31 : Автор(ы): S. Kasatkina (Russia)

2. On the state of Champsocephalus gunnari stock in Subarea 48.3 and methods of its assessment

   2000 showed clearly a necessity to revise the methods of icefish (which is near-bottom and pelagic fish ... species) biomass assessment based on the results of bottom trawl surveys. A question on unreliability of ... stock assessment was repeatedly raised on the meetings of Working Group on Fish Stock Assessment (WGFSA ... ) both during the period of the icefish fishery in 1980s and after its ceasing in 1990s. In all cases, a ...

   Meeting Document : WG-FSA-00/45 : Автор(ы): K. Shust, V. Senioukov, P. Gasiukov and A. Kozlov (Russia)

3. THE HISTOLOGICAL ANALYSIS OF OOGENESIS AND MATURITY OF ANTARCTIC TOOTHFISH FROM THE ROSS SEA

   Abstract:  The results of the histological analysis of the Antarctic toothfish (Dissostichus ... morphological parameters, indices of gonads and condition by Fulton have been described. The histological ... criteria of the assessment of the ovary maturity stages, cytological parameters of oocytes and type of the ... toothfish oogenesis have been determined. At the maturing of toothfish, ovaries from the stages III to IV ...

   Meeting Document : WG-FSA-09/26 : Автор(ы): S.V. Piyanova and A.F. Petrov (Russia)

4. Demographic studies of Antarctic krill Euphausia superba Dana in the Cooperation and Cosmonaut Seas (Indian sector of the Southern Ocean)

   Abstract:  The reproductive state and size composition of Euphausia superba collected in the ... Indian sector of the Southern Ocean from 1985 to 1990 were analyzed to estimate its growth, life span and ... mortality rates. The duration of the life cycle of E.superba exceeded 5 years in the Cosmonaut Sea and 6 ... -0.133 mm.d-1, during the first year of life, to 0.019-0.022 mm.d-1 during the fifth year. Von ...

   Meeting Document : WG-Krill-94/16 : Автор(ы): E.A. Pakhomov (Ukraine)

5. Distribution and abundance of Antarctic krill in the vicinity of Elephant Island during the 1994 austral summer

   Abstract:  The distribution and abundance of Antarctic krill (Euphausia superba) were estimated ... from four acoustic surveys conducted in the vicinity of Elephant Island, Antarctica, from mid-January ... Island and the eastern end of King George Island; the second and third surveys covered approximately 2100 ... n.mile2 immediately north of Elephant Island. During the first survey, the highest densities of krill were ...

   Meeting Document : WG-Joint-94/09 : Автор(ы): R.P. Hewitt and D.A. Demer (USA)

6. Fishes caught along with the Antarctic krill in the vicinity of the South Georgia Island during the austral winter months of 1992

   Abstract:  Observations on abundance of by-catch fishes were made during the austral winter months ... of 1992 (from July 9 to August 3) on board F/V No.3 and No.5 Chiyo Maru in the vicinity of the South ... Georgia Island. Among 74 net hauls examined, a total of 66 specimens of fishes belonging to 3 species were ... (62 specimens; 93.9% in number; 58.9% of total weight of by-catch fish). Standard length (SL) of L ...

   Meeting Document : WG-KRILL-93/51 : Автор(ы): T. Iwami (Japan)

7. Plan of research program of the Russian Federation in Subarea 48.5 (Weddell Sea) in season 2014/2015

   Abstract:  Closed mostly within the Weddell Sea Subarea 48.5 is one of the closed data-poor CCAMLR ... subareas, where stock assessment should be carried out. In spite of hard ice conditions at most part of the ... Weddell Sea during most time of the year, this large water area is very similar with the Ross Sea. This ... from results of the fist and the second stage of this program, highlight the Weddell Sea as one of the ...

   Meeting Document : WG-SAM-14/07 : Автор(ы): Delegation of the Russian Federation

8. Plan of research program of the Russian Federation in Subarea 48.5 (Weddell Sea) in season 2014/2015

   Abstract:  Closed mostly within the Weddell Sea Subarea 48.5 is one of the closed data-poor CCAMLR ... subareas, where stock assessment should be carried out. In spite of hard ice conditions at most part of the ... Weddell Sea during most time of the year, this large water area is very similar with the Ross Sea. This ... from results of the first and the second stage of this program, highlight the Weddell Sea as one of the ...

   Meeting Document : WG-FSA-14/09 : Автор(ы): Delegation of the Russian Federation

9. SELECTIVITY OF CONVENTIONAL AND CONTINUOUS TECHNIQUES OF KRILL FISHERY

   Abstract:  Combination of conventional and continuous techniques during krill fishery at the ... Russian commercial vessel "Maxim Starostin" allowed to compare the size structure of the ... Antarctic krill (Euphausia superba) caught by these two techniques. Results of comparison are discussed in ... relation to the selectivity of fishing gears and the space-time variability of krill. Differences between ...

   Meeting Document : WG-EMM-11/14 : Автор(ы): D. Sologub (Russia)

10. Reasons of differences between distribution and density of mackerel icefish (Champsocephalus gunnari) aggregations in the South Georgia area during summer and autumn periods in different years from the bottom trawl survey data

    the largest aggregations of food organisms are concentrated at the beginning of the spring period ... . Icefish concentrations were detected at the periphery of a cyclonic meander or in the centre of the ... anticyclonic circulation formed by the Weddell waters. Confinement of the fish to the boundary of water masses ... between the shelf waters and ACC was also traced. Favourable conditions for formation of dense ...

    Meeting Document : WG-FSA-05/77 : Автор(ы): Zh.A. Frolkina (Russia)

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