Résultats de la recherche
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Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic peninsula region
with RV ‘Polarstern’ in 1987/88. Seasonal variation between summer and winter abundance/biomass data ... ): Delegation of Germany Title: Estimation of krill (Euphausia superba) mortality and production rate in the ... 0.88 to 0.94 for different years. The exchange rate of water masses and krill biomass within one summer ...
Meeting Document : WG-KRILL-91/15 : Auteur(s): Delegation of Germany
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Analysis of the toothfish fishery indices in Subareas 88.1 and 88.2 when using different types of longline gears
Abstract: The indices of exploratory toothfish fishery in the Subareas 881 and 88.2 for the ... programs planning. Author(s): S. Kasatkina Title: Analysis of the toothfish fishery indices in Subareas ... attention was focused to the analysis of the length-species compositions of catch by years and SSRU while ...
Meeting Document : WG-SAM-17/23 : Auteur(s): S. Kasatkina
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Analysis of the toothfish fishery indices in Subareas 88.1 and 88.2 when using different types of longline gears
Abstract: The indices of exploratory toothfish fishery in the Subareas 881 and 88.2 for the ... planning. Author(s): S. Kasatkina Title: Analysis of the toothfish fishery indices in Subareas 88.1 and ... was focused to the analysis of the length-species compositions of catch by years and SSRU while using ...
Meeting Document : WG-FSA-17/56 : Auteur(s): S. Kasatkina
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Growth of mackerel icefish (Champsocephalus gunnari) and age-size composition of populations in subarea of South Georgia
represented by fish of two contiguous age groups. It was shown that in the 1980s during a number of years the ... 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 ... catches were based on fish of two contiguous year classes, strong 1984 year class and middle 1983 year ...
Meeting Document : WG-EMM-03/60 : Auteur(s): K.V. Shust and E.N. Kuznetsova (Russia)
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Growth of mackerel icefish (Champsocephalus gunnari) and age-size composition of population in subarea of the South Georgia
represented by fish of two contiguous age groups. It was shown that in the 1980s during a number of years the ... 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 ... catches were based on fish of two contiguous year classes, strong 1984 year class and middle 1983 year ...
Meeting Document : WG-FSA-SAM 03/7 : Auteur(s): K.V. Shust and E.N. Kuznetsova (Russia)
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Signy Island, South Orkney Islands 1996/97
reported at Signy Island compared with only 20 entanglements recorded at sites in the South Shetland ... seen on 12 seals, all of which were juvenile males. Five entangled seals were observed in an area ... parallel study undertaken at Bird Island (UK), South Georgia in 1996/97. Although synthetic line and ... entangled in these items at Signy Island (50% and 42% respectively) than at Bird Island (22% and 33 ...
Meeting Document : SC-CAMLR-XVI/BG/07 : Auteur(s): Delegation of the United Kingdom
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Foraging patterns in the Antarctic shag (Phalacrocorax bransfieldensis) at Harmony Point, Antarctica
reduce the extension of the foraging trips which in years of scarce food availability may no result in ... usually foraged once a day; females early in the morning and males when their partners returned to the ... reducing the daily total time spent foraging due to the marked increment in the number of trips required to ... . The possibility of using the foraging parameters considered in this study in monitoring programmes is ...
Meeting Document : WG-EMM-04/22 : Auteur(s): R. Casaux and A. Baroni (Argentina)
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Mackerel icefish biomass and distribution on the results of acoustic survey carried out in February–March 2002
estimate of the icefish biomass in the subarea of South Georgia amounted to 92.6 thous. tonnes. Nearly 30 ... Atlantida in February-March 2002 in Subarea 48.3 are presented. Biomass and distribution of icefish were ... estimates of icefish were made by comparison an observed TS in situ histograms with the size composition of ... abundance values by size class in pelagic zone and in the near-bottom 8m layer (covered by bottom trawling ...
Meeting Document : WG-FSA-02/44 : Auteur(s): S.M. Kasatkina, V.Yu. Sunkovich, A.P. Malyshko and Zh.A. Frolkina
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Interannual variability of the South Georgia marine ecosystem: biological and physical sources of variation in the abundance of krill
. Fluctuations in year class success in parts, or all, of the population across the Scotia Sea, can generate ... the relative roles of biological and physical processes in generating these fluctuations are unknown ... krill (Euphausia superba) in the South Georgia area, and that the variation affects much of the ... large changes in the available biomass. The ocean transport pathways maintain the large scale ecosystem ...
Meeting Document : WS-AREA 48-98/8 : Auteur(s): E.J. Murphy, J.L. Watkins, K. Reid, P.N. Trathan, I. Everson, J.P. Croxall, J. Priddle, M.A. Brandon, A.S. Brierley (UK) and E. Hofman (USA)
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Assessment of fishing intensity of krill in Subarea 48.2 during the season of 1989/90
30 t. The highest variability was observed in trawlings duration (τ) and catch per trawling hour (q ... (data of 2900 trawlings are used) in the South Orkneys area during December 1989- March 1990. In the ... fishing intensity (2.7- 88.9 thous.t) obtained for above mentioned four months in 1984-1993 (CCAMLR, 1994 ... in the area off the northern Coronation Island. Vessels of PPR type obtained the highest catch ...
Meeting Document : WG-EMM-97/51 : Auteur(s): Ivanova, V.I., Sushin, V.A., Kasatkina, S.M.