Résultats de la recherche
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Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data
(Euphausia superba) associated with the daylight phase over the diurnal cycle (i.e. brightness categories ... austral summer and early autumn, deepened gradually from autumn and reached maximum depth in winter in the ... Scotia Sea, shifting to shallower depths again in early spring. The average catch-per-unit-effort (CPUE ... vertical migration and aggregation of Antarctic krill (Euphausia superba) associated with the daylight ... and SO. Daily average trawling depth tended to be shallower during austral summer and early autumn ... shallower depths again in early spring. The average catch- per-unit-effort (CPUE) was highest during the day ... and swarming associated with variations in daylight levels. In this study, average seasonal ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 163–172 : Auteur(s): Taki, K., T. Hayashi and M. Naganobu
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WG-FSA-11/53
weather, depth and currents etc. (Diameter: 20mm, Material: Mixed with Polyethylene and Polypropylene 3 ... process). (Diameter: 20mm, Material: Mixed with Polyethylene and Polypropylene 3:7) 5) Mainline ... lazy line are attached. (Diameter: 20mm, Material: Mixed with Polyethylene and Polypropylene 3:7 ... longline fishing is similar with Autoline operations, there are, a greater number of lines used in ...
Document : Site Section: Publications
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Location and intensity of the Soviet krill fishery in the Elephant Island area (South Shetland Islands), 1988/89
fished and followed as they drift from the island with the current; and (iii) vessels return to position ... (i) when aggregations are dispersed or lost due to storms and other factors. The velocity of the ... as they drift from the island with the current; and (iii) vessels return to position (i) when ... aggregations are dispersed or lost due to storms and other factors. The velocity of the northeast drift of ... with a 78/420 m trawl was taken to be the standard fishing unit. It yielded the highest total catch of ... all vessels engaged in the fishery. 307 Calculations and mapping of fishing areas were made with ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 305–335 : Auteur(s): Sushin, V.A. and A.S. Myskov
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The effects of CEMP monitoring procedures on Adelie penguin colonies
foraging trip durations and reduced breeding success. Attachment for a single foraging trip post-hatching ... caused no significant increase in foraging trip durations nor any detectable effect on water turnover ...
Meeting Document : WG-CEMP-93/19 : Auteur(s): J. Clarke, K. Kerry (Australia)
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Density and abundance estimates of baleen whales recorded during the 2019 DY098 cruise in the Scotia Sea around South Georgia and the South Sandwich Islands
Abstract: We use cetacean sightings data collected from the northern and eastern Scotia Arc ... of 42.5°W in all water depths surveyed, with fin whales the next most commonly sighted species (53 ... estimated at 20,333 (95% CI 13,988-29,555) with all baleen whales estimated at 27,143 (95% CI 19,998-36,842 ... 7,818-15,178) with all baleen whales estimated at 20,699 (95% CI 16,027-26,732). Fin whale abundance ...
Meeting Document : WG-EMM-2019/27 : Auteur(s): M. Baines, M. Reichelt, C. Lacey, S. Pinder, S. Fielding, N. Kelly, E. Murphy, P. Trathan and J.A. Jackson
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Observations of fishing operations on a krill trawler and distributional behaviour of krill off Wilkes Land during the 1985/86 season
of fished swarms ranged from 100 m to 10 km with different distributions occurring in different ... off Africa. In recent years, the through-year activity of the trawlers has come to be incorporated ... to 10 km with different distributions occurring in different fishing areas. While catch per towing ... valuable due to marketing competition with the smaller euphausid species, Euphausia pacifica, fished off ... hence a combination with other bottom trawling operations was sought. Historical fishing grounds used ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 335-368 : Auteur(s): Ichii, T.
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Biomass/CCAMLR krill review
, with particular emphasis being given to the First International BIOMASS Experiment (FIBEX) acoustic ... major predators, including Man, are considered. It is concluded that neither the production estimates ...
Meeting Document : SC-CAMLR-VII/BG/39 : Auteur(s): D.G.M. Miller and I. Hampton (South Africa)
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e-cc-xviii-a5.pdf
... accordance with Article XX(3) of the Convention, Members are required to inform the Commission of steps taken ... the Commission 3. Operation of the System of Inspection and Compliance with Conservation Measures (i ... -XVIII/1). The Committee noted that the Commission had decided to deal with the ‘Catch Documentation ... CONVENTION AREA Information Provided by Members in Accordance with Articles X and XXII of the Convention and
application/pdf attached to:SCOI-99
Meeting Report : SCOI-99
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Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed distribution around South Georgia
this area but also operated further west on a range of banks associated with submarine valleys. The ... results are discussed in relation to the ecology of krill and the fishery's interaction with local ... with the main summer foraging area was greatest in the poor krill year of 1993/94 (Brierley and ... predominantly in this area but also operated further west 011 a range of banks associated with submarine ... valleys. The results are discussed in relation to the ecology of krill and the fishery's interaction with ... than a few weeks in a year and at other than a local scale. Krill population dynamics operate over ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Auteur(s): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt
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SC-CAMLR-IX
seals in man-made debris at Bird Island, South Georgia, during the 1989/90 pup-rearing season Delegation ... on Krill (Leningrad, USSR, 27 August to 3 September 1990) SC-CAMLR-IX/05 Convener’s summary of ...
Meeting