Resultados de la búsqueda
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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 ... 0.88 to 0.94 for different years. The exchange rate of water masses and krill biomass within one summer ... ): Delegation of Germany Title: Estimation of krill (Euphausia superba) mortality and production rate in the ...
Meeting Document : WG-KRILL-91/15 : Autor(es): 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 ... attention was focused to the analysis of the length-species compositions of catch by years and SSRU while ... programs planning. Author(s): S. Kasatkina Title: Analysis of the toothfish fishery indices in Subareas ...
Meeting Document : WG-SAM-17/23 : Autor(es): 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 ... was focused to the analysis of the length-species compositions of catch by years and SSRU while using ... planning. Author(s): S. Kasatkina Title: Analysis of the toothfish fishery indices in Subareas 88.1 and ...
Meeting Document : WG-FSA-17/56 : Autor(es): 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 ... class in subarea 48.3 depends on many factors, among which it it difficult to determine the most ...
Meeting Document : WG-EMM-03/60 : Autor(es): 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 ... class in subarea 48.3 depends on many factors, among which it it difficult to determine the most ...
Meeting Document : WG-FSA-SAM 03/7 : Autor(es): 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 : Autor(es): 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 : Autor(es): R. Casaux and A. Baroni (Argentina)
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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 ... . There is now extensive evidence that there are years when there is a very low abundance of Antarctic ... krill (Euphausia superba) in the South Georgia area, and that the variation affects much of the ...
Meeting Document : WS-AREA 48-98/8 : Autor(es): 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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Estimation of the biomass of krill in Prydz Bay during January/February 1991, February/March 1992 and January/ February 1993 using echo integration
Abstract: Hydroacoustic surveys of the abundance of krill (Euphausia superba) in the Prydz Bay ... region were undertaken in January/February 1991, February/March 1992 and January/February 1993. The ... surveys indicated some association of krill with the shelf break in the western part of the survey area ... and the centre of the Prydz Bay region but also found that the shelf break was in general not a region ...
Meeting Document : WG-Krill-94/21 : Autor(es): T. Pauly and I. Higginbottom (Australia)
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A review of by-catch in CCAMLR exploratory toothfish fisheries
years, despite no significant reduction in fishing effort probably linked to changes in landings of ... thorough and effective management of Southern Ocean toothfish fisheries, especially in eliminating ... caught as bycatch annually. Fish bycatch mitigation controls in toothfish fisheries have seen a ... thoroughly investigated. This study explores trends in fish bycatch of exploratory fisheries for toothfish ...
Meeting Document : WG-FSA-14/16 : Autor(es): E. McClure, K. Reid (Secretariat)