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Variation in the distribution of Antarctic krill Euphausia superba around South Georgia
probably 3+ and older (mean size 49.5 mm); cluster 4 and 5 were small krill, mostly year 1 + either with or ... types with relatively simple biological characteristics: cluster 1 were medium-sized year 2+ krill (mean ... size 39.7 mm); cluster 2 were a mixture of year classes (mean size 37.7 mm); cluster 3 were large krill ... cruises and look particularly at differences between krill taken from the eastern and western ends of the ...
Meeting Document : WG-EMM-97/47 : Автор(ы): Daly, H.I., Murray, A.W.A., Watkins, J.L.
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The migration patterns of Electrona carlsbergi (Tåning, 1932)
mature specimens 8.5-11 cm in length and 3-5 years old increases. Based on the dynamic processes of the ... sectors of Antarctica E. carlsbergi is represented by immature specimens 7 to 8 cm in length and 2 years ... the early stages of its life cycle, a theory has been put forward concerning the presence in the notal ... region and various sectors of Antarctica of several reproductive zones coinciding with areas of large ...
Meeting Document : WG-FSA-93/18 : Автор(ы): A.N. Kozlov (Russia)
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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 ... early December and may extend to the beginning of January. Most larvae were in the stage of metanauplius ...
Meeting Document : WG-Joint-94/10 : Автор(ы): E.A. Pakhomov (Ukraine) and R. Perissinotto (South Africa)
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Analysis of trawl data from the South Georgia krill fishery
large number of trawls were undertaken by each,vessel, with trawls being shorter in duration during the ... middle of the day. Daytime trawls were also generally deeper and produced a larger catch. Individual ... with shooting and hauling the net were usually short and showed little variation, whereas the time ... associated with the actual trawl phase was longer and more variable. The distance between consecutive trawls ...
Meeting Document : WG-EMM-97/41 : Автор(ы): Parkes, G., Trathan, P.N., Everson, I., Murphy, E.J.
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Beach debris survey – Main Bay, Bird Island, South Georgia 2000/01
Abstract: During the eleventh year of standardised beach surveys of man-made debris at Bird ... the lowest since reporting began, with only 4 items more collected in the summer than in the winter ... ), but to a lesser extent than in previous years, whilst miscellaneous debris accounted for almost as ... decrease levels, and ensure compliance with the correct waste disposal procedures for both domestic and ...
Meeting Document : SC-CAMLR-XXI/BG/03 : Автор(ы): Delegation of the United Kingdom
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Report on fish by-catch during research fishing activities in Division 58.4.4b between 2008 and 2018
Abstract: We report on objective 3 “Investigate population structure of bycatch species and ... catch ratio of about 15%, autolines ratio was up to 70% in some years. Hence, bycatch number and biomass ... increased strongly in the years autolines operated. Skate bycatch was higher in the b_2 region, particularly ... in the eastern part, where unusually high concentrations of Pennatulacea (Sea pens) where reported in ...
Meeting Document : WG-FSA-2019/53 : Автор(ы): C. Péron, C. Chazeau, N. Gasco and F. Massiot-Granier
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Mean circulation and hydrography in the Ross Sea sector, Southern Ocean: representation in numerical models
900m at the gyral eastern end compare favourably with float data. On-shelf model depth-averaged west ... hydrography. Two were climate models of low (1°) to intermediate resolution (1/3°), and one was an operational ... bathymetric constraints. Western and eastern cyclonic gyral systems separated by shallow bathymetry around 180 ... –east flow is relatively consistent with that reconstructed from longline fishing records. These flows ...
Meeting Document : WG-EMM-10/P13 : Автор(ы): G.J. Rickard, M.J. Roberts, M.J.M. Williams, A. Dunn and M.H. Smith (2010)
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THE RESEARCH PROJECT TO DIGITIZE HISTORICAL SOVIET KRILL FISHING EXPEDITION DATA
expeditions in Southern Ocean between the years of 1972-1992. The main purpose of these expeditions was to ... in the Southern Ocean ecosystem. The data covers more than 50 fishing cruise observer logbooks with ...
Meeting Document : WG-EMM-09/30 : Автор(ы): L. Pshenichnov and G. Milinevsky (Ukraine)
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Preliminary results of pop-up satellite tag study on Antarctic toothfish in the Mawson Sea
a Korean scientific observer. The same observer recovered the fish a year later. The days of liberty ... described in this report. The toothfish was caught in the Mawson Sea in Feb 2015 and released with a PSAT by ... diel vertical movement period followed after. It occurred during winter to early spring that it may be ... were over a year (366 days). The vertical movement of the fish shows strong and contrasting patterns ...
Meeting Document : WG-FSA-16/08 : Автор(ы): Delegation of the Republic of Korea
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Research program on resource potential and life cycle of Dissostichus species from the Subarea 88.2 A in 2016–2019
potential and life cycle of Dissostichus species within the eastern part of the Ross Sea over shelf and ... by Russian vessel and vessels from another CCAMLR country-members participating the proposed survey ...
Meeting Document : WG-SAM-16/27 : Автор(ы): Delegation of the Russian Federation
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