Résultats de la recherche
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Foraging response of Antarctic fur seals to changes in the marine environment
1964 d at sea. The frequencies of krill, fish and squid in the diet were estimated from prey items ... demands by increasing both time feeding at sea and energy delivery to the pup on land. However, the ... importance of sea surface temperature and duration of night in multiple regression models suggested that ...
Meeting Document : WG-EMM-99/35 : Auteur(s): D.J. McCafferty, I.L. Boyd, T.R. Walker and R.I. Taylor (United Kingdom)
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Fatty acids composition of spiny icefish Chaenodraco wilsoni in the Bransfield Strait and its implication to local food availability
, more saline waters of the Weddell Sea over the broad continental shelf near d′Urville and Joinville ... marker fatty acids of C. wilsoni between the Transitional Zonal Water with Bellingshausen Sea influence ... (TBW) and the Transitional Zonal Water with Weddell Sea influence (TWW) in the Bransfield Strait. C ...
Meeting Document : WG-FSA-18/76 : Auteur(s): Q.Y. Yang, G.P. Zhu and K. Reid
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Antarctic fur seal (Arctocephalus gazella) pup growth rates obtained at Cape Shirreff, Livingston Island, South Shetlands: 1994/95 to 1997/98 (CEMP Index C2, Procedure B)
explained by pup growth rates until present. Pup growth rates might be influenced indirectly by sea-ice ... ) was attained when large sea-ice extent was reported, while the two lowest growth rates for males (1994 ... /95 and 1996/97) were attained when less sea-ice was evidenced. This pattern is surprisingly not ... followed by females, which appear to have no relation with sea-ice variation. Four years of data is ...
Meeting Document : WS-AREA 48-98/18 Rev. 1 : Auteur(s): R. Hucke-Gaete, V. Vallejos and D. Torres (Chile)
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Antarctic neritic krill Euphausia chrystallorophias: spatio-temporal distribution, growth and grazing rates
Ocean during the austral summer, from 1977 to 1990, and in the Lazarev Sea during the summer 1990/91 ... region and 4 years in the Cosmonaut Sea. Analysis of size distribution by sex showed that male ... Bay and the Cosmonaut Sea, spawning of E.crystallorophias appears to peak from the end of November to ... were estimated in the Lazarev Sea using the gut fluorescence method. Ingestion rates during austral ...
Meeting Document : WG-Joint-94/10 : Auteur(s): E.A. Pakhomov (Ukraine) and R. Perissinotto (South Africa)
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Large scale circulation in the South Atlantic: estimates from giant iceberg drift rates
circulation in the Scotia Sea. The estimates are derived from the drift rates of giant icebergs calved in the ... Weddell Sea since 1974. Comparison with other estimates is limited by the lack of studies reported in the ...
Meeting Document : WS-Flux-94/06 : Auteur(s): P.N. Trathan and C. Symon (United Kingdom)
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Temperature-dependent growth of Thysanoessa macrura: inter-annual and spatial variability
Circumpolar Current (ACC) water and cold Weddell Sea water) to assess spatial and inter-annual variability in ... Weddell Sea water in 2004 to 0.081 mm day-1 in ACC water in 1995. Growth rates were higher in ACC water ... than in Weddell Sea water during all years. Growth rates were strongly correlated with temperature but ...
Meeting Document : WG-EMM-13/39 : Auteur(s): R.M. Driscoll, C.S. Reiss and B.T. Hentschel (USA)
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Research program on study of life cycle, species compositions, biology and resource potential of craboids (Anomura, Decapoda) in the Pacific Ocean Antarctic Area in 2018–2021 by Russian Federation
potential in the Bellingshausen Sea (Subarea 88.3) and Amundsen Sea (Subarea 88.2). Author(s): Delegation ...
Meeting Document : WG-SAM-18/06 : Auteur(s): Delegation of the Russian Federation
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CCAMLR 2000 revisited
Abstract: The total abundance of krill in the Scotia Sea was estimated from an international ... resulting estimates of krill biomass in the Scotia Sea are 197.78 Mt (CV=11.06%) and 37.29 Mt (CV=21.20 ... estimates of krill biomass in the Scotia Sea during the CCAMLR 2000 survey are 37.29 Mt (CV=21.20%), or 15.8 ...
Meeting Document : WG-EMM-07/30 Rev. 1 : Auteur(s): D.A. Demer, A.M. Cossio and C.S. Reiss (USA)
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Relationship between Antarctic krill (Euphausia superba) variability and westerly fluctuations and ozone depletion in the Antarctic Peninsula area
) determined from sea level pressure differences across the Drake Passage, sea ice cover, and ozone depletion ... westerlies also had a strong correlation with chlorophyll a (r = 0.63) and sea ice cover with a 1-year time ...
Meeting Document : WG-EMM-99/52 : Auteur(s): M. Naganobu, K. Kutsuwada, Y. Sasai and T. Taguchi (Japan) and V. Siegel (Germany)
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CLIMATICALLY DRIVEN FLUCTUATIONS IN SOUTHERN OCEAN ECOSYSTEMS
Georgia in the South Atlantic sector of the Southern Ocean. Anomalies in sea surface temperature (SST) in ... changes in SST, and related fluctuations in winter sea ice extent, affect the recruitment and dispersal of ... krill across the Scotia Sea by the end of the century. Author(s): E.J. Murphy, P.N. Trathan, J.L ...
Meeting Document : WG-EMM-08/P02 : Auteur(s): E.J. Murphy, P.N. Trathan, J.L. Watkins, K. Reid, M.P. Meredith, J. Forcada, S.E. Thorpe, N.M. Johnston and P. Rothery