Résultats de la recherche
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On problem of natural subdividing of Antarctic krill’s geographic area (an application to the monitoring of fishing)
Abstract: The possibilities of natural regionisation of antarctic krill's geographic area ... with emphasis on fisheries regions distribution are considered on the base of consisting data of ... spatial structure of krill's geographic area. More then 43% of regions, where usually present ... concentrations of krill (this percent includes all recently acting fishery regions) lay inside of secondary ...
Meeting Document : WG-KRILL-93/37 : Auteur(s): R.R. Makarov and L.L. Menshenina (Russia)
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To the problem of assessment of probability of finding Antarctic krill concentrations in Division 58.4.2
Abstract: In 1994 the group of above mentioned authors has completed the first stage of ... researches for creation of an imitation model of krill distribution and search in the Cooperation and ... Cosmonauts Seas (30–80°E). At this the following main problems were addressed:- Systematization of krill ... echograms (types of aggregations, their main characteristics),- Assessment of distribution of aggregations ...
Meeting Document : WG-Krill-94/7 Rev. 1 : Auteur(s): V.N. Yakovlev, V.A. Bibik and L.M. Kokoz (Ukraine)
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Long-term forecast of the conditions of krill (Euphausia superba Dana) fisheries in the Antarctic part of the Atlantic Ocean
Abstract: There have been revealed possibilities for the long-term forecast of CPUE for the ... Antarctic krill (tones per hour) as the major indicator of its abundance and density of concentrations in ... the area of South Shetland and South Orkney Islands as well as South Georgia applying the following ... factors: average annual level of solar activity, speed of the Earth rotation and its derivatives ...
Meeting Document : WG-EMM-07/15 : Auteur(s): V.A. Bibik and V.A. Bryantsev (Ukraine)
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Diurnal changes of some biological characteristics of Euphausia superba Dana in swarms (westward of the South Orkney Islands, 24 March to 18 June 1990 - based on data reported by biologist-observer)
Abstract: Investigations of diurnal changeability of size composition of E. superba was carried ... out during the working period of commercial trawler ‘Grigory Kovtun’ in the fishing area near the ... station consisted of series of catches by mean the usual commercial trawl (9-12 tows per every station ... ). Increasing of average size of animals during light time was observed at several stations. These changes are ...
Meeting Document : WG-KRILL-92/09 : Auteur(s): A.V. Vagin, R.R. Makarov and L.L. Menshenina (Russia)
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The integrated Antarctic expedition of the YugNIRO in the season of 1989–1990: main results of the ichthyological studies
Ocean sector of the Antarctic in the season of 1989-1990, information is presented in this paper on ... ichthyofauna, size–weight composition and main parameters of the biological state of the more abundant fishes ... taken on the shelf of Antarctica, at Ob and Lena Seamounts (referred to as Banks in the Russian usage ... ), and in the zone of the Southern Polar front. In the shelf area, of Cooperation Sea, localities of ...
Meeting Document : WG-FSA-90/39 : Auteur(s): A.K. Zaitsev, V.G. Prutko and V.N. Yakovlev (YugNIRO, USSR)
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An initial analysis of the characteristics of Antarctic krill taken by the commercial fishery and Antarctic fur seals during the winters of 2002 and 2003 at South Georgia
Abstract: We present an initial analysis of the fishing locations, fishing depth and length ... -frequency distribution of krill at South Georgia during the winter of 2002 and 2003 and compare these with ... the length-frequency distribution and frequency of occurrence of krill in the diet of Antarctic fur ... seals. There were significant differences in the mean size of krill taken by vessels/measured by ...
Meeting Document : WG-EMM-04/62 : Auteur(s): K. Reid, D.J. Agnew, N.L. Warren and E. Owen (United Kingdom)
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Evaluation of the effects of illegal, unregulated and unreported (IUU) fishing on the legal catch of fisheries for Dissostichus eleginoides
. This paper explores the consequences of different rates of IUU fishing to the legally-binding TACs set ... , Dissostichus eleginoides, that can be sustained over the generation time of the species, maintaining the ... population at a productive level with only a small chance of become depleted. The increasing levels of ... of CCAMLR achieving ecologically sustainable fisheries as well as threatening the status of ...
Meeting Document : WG-FSA-02/69 : Auteur(s): A.J. Constable (Australia)
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Analysis of the diet of Champsocephalus gunnari in Subarea 48.3, in late summer of years 1994–97, Dr E. Holmberg surveys
Abstract: The diet composition of mackerel icefish Champsocephalus gunnari caught in Subarea 48.3 ... in late summer of years 1994-97 was analysed using frequency of occurrence (F%) and coefficient " ... 1994, when the order of importance of these two organisms in the diet was inverted. The consumption of ... years of krill scarcity and fish, was only occasional or in negligible amounts, showing interannual ...
Meeting Document : WG-FSA-97/48 : Auteur(s): Barrera-Oro, E., Marschoff, E., Casaux, R.
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Results of study of the oogenesis characteristics of Antarctic toothfish (Dissostichus mawsoni Norman 1937) (Nototheniidae) from Subareas 88.1 and 88.2 (Ross Sea)
Abstract: The results of the histological analysis of the Antarctic toothfish (Dissostichus ... and 88.2 in the Ross Sea are presented. The morphological parameters, indices of gonads have been ... described. The histological criteria of the assessment of the ovary maturity stages and cytological ... parameters of oocytes and type of the toothfish oogenesis have been determined. Under the maturing of ...
Meeting Document : WG-FSA-07/49 : Auteur(s): S. V. Piyanova and A.F. Petrov (Russia)
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Growth of mackerel icefish (Champsocephalus gunnari) and age-size composition of populations in subarea of South Georgia
Abstract: Age, growth rate and age composition of icefish catches in subareas 48.3, 48.2, 48.1 ... were studied for different periods. The analysis of age composition of icefish in subarea 48.3 showed ... that the catches consisted mainly of individuals of 2-4 age groups, where more than 60% were ... represented by fish of two contiguous age groups. It was shown that in the 1980s during a number of years the ...
Meeting Document : WG-EMM-03/60 : Auteur(s): K.V. Shust and E.N. Kuznetsova (Russia)