Résultats de la recherche
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Description of the tagging process and the development of a cradle for optimum landing and measuring of large fish followed by the Spanish F/V Tronio
Division 58.4.1 where the latter area required a tag rate of five fish per ton greenweight caught and also ... where the overall size of the fish exceeds 115cm. The tagging station on the FV Tronio is on the upper ... station and to operate the cradle over the side for landing larger fish. To optimise the use of the cradle ... a series of modifications were trialed to optimize the handling of the cradle, achieve rapid ...
Meeting Document : WG-FSA-18/48 Rev. 1 : Auteur(s): R. Sarralde, C. Heinecken and P. Lafite
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Development of best practices for the collection of longline data to facilitate research and analysis to reduce by-catch: report of a workshop held at the International Fisheries Observer Conference
Abstract: To facilitate research and analysis of factors influencing bycatch of marine mammals ... Observer Conference, November 8-11, 2004, in Sydney, Australia. The objectives of the workshop were to ... analysis to reduce bycatch of protected species. • Identify data not currently being gathered ... systematically that might facilitate research and analysis to reduce bycatch of protected species. • Coordinate ...
Meeting Document : WG-FSA-05/45 : Auteur(s): K.S. Dietrich, K.S. Rivera, V. Cornish and T. Conant (USA)
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To the problem of distribution of different species of toothfishes Dissostichus
Abstract: According to the results of the long-term studies (1967–1991) in expeditions to the sub ... -Antarctic and Antarctic waters of the Indian Sector of the Southern Ocean, distribution areas of the ... Patagonian and Antarctic toothfish are clearly cut. It was concluded that the areas of these toothfish ... species were not overlapped in the area under review. Author(s): Prutko, V.G. Title: To the problem of ...
Meeting Document : WG-FSA-97/20 : Auteur(s): Prutko, V.G.
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Change of sex ratio of krill (Euphausia superba) from austral early summer to midsummer in 1983/84 in the vicinity of Prydz Bay, Antarctica
Abstract: In this present report the change of the Antarctic krill distribution pattern from ... December 1983 to January/February 1984 in the vicinity of Prydz Bay was analysed. The results showed the ... remarkable change of sex ratio and coefficient of fatness between the early summer and the midsummer. The ... waters indicating the high ratios of female krill with the high coefficient of fatness were considered to ...
Meeting Document : WG-Krill-94/30 : Auteur(s): M. Naganobu and S. Kawaguchi (Japan)
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On the problem of Soviet krill fishery allocation and intensity in the area of Elephant Island in the season of 1988-1989
. Though the catch of the USSR in the above-mentioned season reached maximum, the total fishery intensity ... for the last 9 seasons was low and only 1 standard vessel operated in the area during 40% of the ... period. The highest catch per-unit-of-effort was observed in January (7.7 t per hour of trawling in ... average), and the lowest in November (3.5 t per hour of trawling in average). Fisheries tacktics follows ...
Meeting Document : WG-CEMP-92/30 : Auteur(s): V.A. Sushin and A.S. Myskov (Russian Federation)
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Declining trend in the abundance of fjord fish of the species Notothenia rossii marmorata and Notothenia gibberifrons observed at two localities of South Shetland Islands
Abstract: A declining trend observed in the abundance of fjord fish of the species Notothenia ... rossii marmorata and Notothenia gibberifrons from two localities of South Shetland Islands, is analyzed ... ., Moon Bay, in 1989. The analysis was based on the proportion of catches of the mentioned species in ... . This phenomenon in the area might be explained as a consequence of the depletion of the stocks due to ...
Meeting Document : WG-FSA-90/14 : Auteur(s): E. Barrera-Oro and E. Marschoff (Argentina)
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Variability of krill fishery operations in Subarea 48.2 in relation to fishing methods: spatial–temporal distribution of CPUE and of fishing efforts
values of standardized CPUE indices in the Subarea 48.2 for the last 25 years. The paper provides the ... analysis of spatial- temporal variability of krill fishery based on CPUE trends, trawling duration, catch ... Subarea 48.2 is results of the influence of changing environment. The temporal pattern of fishing ... ; significant monthly and inter-annual variability of fishery performance in relation to fishing methods as well ...
Meeting Document : WG-EMM-14/22 : Auteur(s): S. Kasatkina (Russia)
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Definition of age characteristics of Antarctic toothfish (Dissostichus mawsoni) from the Indian Ocean sector of the Antarctic region
Abstract: For the determination of the age of Dissostichus mawsoni used otoliths and scales. All ... samples were collected in the Indian Ocean sector of the Southern Ocean. Methods are described. Otoliths ... well in the sections of otoliths as certain groups of the annual rings. Author(s): L. Pshenichnov, I ... . Slypko and K. Vyshniakova (Ukraine) Title: Definition of age characteristics of Antarctic toothfish ...
Meeting Document : WG-FSA-10/13 : Auteur(s): L. Pshenichnov, I. Slypko and K. Vyshniakova (Ukraine)
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Outline of a research program to investigate the abundance, abundance trends and stock structure of large whales in the Indo-Pacific region of the Antarctic, including a survey plan for the 2019/20 austral summer season
of a new non-lethal research program on whales and the ecosystem in the Indo-Pacific region of the ... objectives are i) the study of the abundance and abundance trends of Antarctic minke and other large whale ... species, and ii) the study of the distribution, movement and stock structure of Antarctic minke and other ... two specialized vessels, during a tentative period of eight austral summer seasons. Analyses related ...
Meeting Document : WG-EMM-2019/68 : Auteur(s): Delegation of Japan
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Avoidance of incidental mortality of seabirds and the implementation of Conservation Measure 169/XVII in Statistical Subarea 88.1 in the 1998/99 season
Dissostichus spp. in Sub-area 88.1. Daylight setting was allowed south of 65°S in Sub-area 88.1 under special ... and rigorous monitoring of line sink rates. In the trials, two autoline vessels set weighted longlines ... were used to record the actual sink rate achieved on 30% of all sets. For all sets combined the average ... sink rate achieved was greater than the minimum required standard of 0.3 m/sec (mean = 0.37 m/sec, 1 ...
Meeting Document : WG-FSA-99/35 : Auteur(s): J. Molloy and N. Smith (New Zealand)