Resultados de la búsqueda
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Beach debris survey – Main Bay, Bird Island, South Georgia 1996/97
revealed a total of 289 items, 60 % less than in the two previous years. Of the total number of items, 62 ... use. The reduction in man-made debris compared to the two previous years may reflect a reduction in ... Abstract: The seventh year of surveys of beached man-made debris at Bird Island, South Georgia ... % (n = 180) were collected during the summer, only the second year on record when then summer ...
Meeting Document : CCAMLR-XVII/BG/7 : Autor(es): Delegation of the United Kingdom
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Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Bird Island, South Georgia during the 1997 winter and 1997/98 pup-rearing season
were from adult females, a much higher proportion than in previous years. The number of entanglements ... entanglements in packaging bands was higher than recent years in both summer and winter. Only one seal sustained ...
Meeting Document : SC-CAMLR-XVII/BG/11 : Autor(es): Delegation of the United Kingdom
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Antarctic krill, Euphausia superba Dana, demography studies in the seas of Sodruzhestvo and Cosmonauts (Indian Ocean sector of Antarctica)
, duration of E.superba life cycle somewhat exceeds 5 years in the Sea of Cosmonauts and 6 years in the Sea ... of Sodruzhestvo. E.superba growth rate ranges from 0.126- 0.133 mm per day in the first year 0f life ... to 0.028-0.041 mm per day in the fifth year under condition that E.superba grows 180 days per year ...
Meeting Document : WG-KRILL-93/45 : Autor(es): E.A. Pakhomov (Ukraine)
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Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons
, dominated in recent years by the 1987 year class (1 year olds in 1988), was quite robust, despite the use of ... Falklands Protector in January 1992. Breakdown in the credibility of the VPA results in most recent years is ... was composed of a large proportion of 5 year olds, which was not observed during the survey on ...
Meeting Document : WG-FSA-92/27 : Autor(es): G. Parkes (United Kingdom)
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An analysis of early change in the blubber thickness of minke whales as an indicator of krill availability
for seven years for increment between December and February with a fair agreement between the sexes ... . Comparison based on the difference between the thickness in December in successive years was proved valid, by ... cases were detected significant out of 24 pairs of successive year comparison. Estimates were obtained ...
Meeting Document : WG-CEMP-87/18 : Autor(es): Y. Shimadzu (USA)
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Progress report for the third year of the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2013–2015.
first 2.5 years is reported. Between December 2012 and April 2015 a total of 291 Dissostichus ... previous seasons. To date for the first three years of the research project biological data have been ... Abstract: A multi-year research plan as outlined in CM 41-04 (2012, 2013 & 2014) was ... : Progress report for the third year of the research fishery for Dissostichus spp. in Subarea 48.6 being ...
Meeting Document : WG-SAM-15/50 : Autor(es): R.W. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)
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Domain 1 MPA designation process: data sharing and future enhanced work
Abstract: During the last years, a large amount of information was gathered and shared in one ... for other countries to develop their own analyses. During these years a solid foundation of ...
Meeting Document : WG-EMM-16/73 : Autor(es): M. Santos, A. Capurro and C.A. Cárdenas
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Research plan for the 2017/18 exploratory longline fishery of D. mawsoni in Subarea 48.6 by South Africa and Japan
last one years as effective for the biomass estimation, except for 48.6_4 with the last three years ...
Meeting Document : WG-SAM-17/03 : Autor(es): Delegations of Japan and South Africa
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The Continuous Plankton Recorder in the Southern Ocean: a comparative analysis of zooplankton communities sampled by the CPR and vertical net hauls along 140°E
each of 19 stations: 0–20, 20–50, 50–100 and 100–150 m. A Continuous Plankton Recorder (CPR) was ...
Meeting Document : WS-BSO-07/P5 : Autor(es): Hunt, B.P.V and G. Hosie
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Antarctic neritic krill Euphausia chrystallorophias: spatio-temporal distribution, growth and grazing rates
Prydz Bay region. Size frequency analysis indicated that the generation time was ~ 3 years in the Indian ... sector of the Southern Ocean. Total life span of E.crystallorophias may exceed 5 years in the Prydz Bay ... region and 4 years in the Cosmonaut Sea. Analysis of size distribution by sex showed that male ... for only 180 days per year, mean growth rates ranged from 0.070-0.075 to 0.019-0.022 mm per day during ...
Meeting Document : WG-Joint-94/10 : Autor(es): E.A. Pakhomov (Ukraine) and R. Perissinotto (South Africa)