Résultats de la recherche
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Analysis of operating conditions of the fishing vessel in relation to the distribution, biological state and behaviour of Antarctic krill (a contribution to the development of a simulation model)
processing vessel producting krill meat. The vessel operated in the Commonwealth Sea, the Cosmonaut Sea and ... in twi Scotia Sea areas (off South Orkneys and off South Georgia) from February to June 1988. In all ...
Meeting Document : SC-CAMLR-VIII/BG/23 : Auteur(s): Delegation of USSR
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Quantifying the impacts of ice on demersal longlining; a case study in CCAMLR Subarea 88.1
Abstract: The effect of sea ice is acknowledged as a major influence on fishing operations in ... provide a method to quantify the effect of sea-ice on fishing. We discuss the ways in which ice effects ... limit and compression of fishing effort due to a reduction in fishing ground extent in years when sea ...
Meeting Document : WG-FSA-14/55 Rev. 1 : Auteur(s): J.M. Fenaughty and S.J. Parker (New Zealand)
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Genetic analysis of Antarctic toothfish samples from the Southern Ocean to explore potential stock boundaries
differentiation among the three sea areas. While direct sequencing of cytochrome b (665 base pair) showed ... variation with some haplotypes restricted to sea areas. The weak genetic differentiation is supported by ... . It is recommended that the Ross Sea D. mawsoni be treated as a separate stock unit. Author(s): P.J ...
Meeting Document : WG-FSA-04/32 : Auteur(s): P.J. Smith, S.M. McVeagh (New Zealand) and P.M. Gaffney (USA)
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Penguin demography and winter distributions in the Antarctic Peninsula region
present a conceptual model linking increasing temperatures and decreasing sea ice cover in the Antarctic ... periodicity of sea ice cover in the region. This climate change, and the associated reduction in winter sea ...
Meeting Document : WG-EMM-01/32 : Auteur(s): W. Trivelpiece and S. Trivelpiece (USA)
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Foraging energetics of grey headed albatrosses Diomedea chrysostoma at Bird Island, South Georgia
Abstract: At-sea metabolism (C02 production) and water turnover of six breeding Grey-headed ... composition) was 1200 g d-1 or 50.4 W. At-sea metabolism (derived from a rate of CO2 production of 3.98 l h-1 ... from at-sea metabolism and activity budget data) was 36.3 W (range 34.7-39.0 W) or 3.2 (range 3.0-3.4 ...
Meeting Document : SC-CAMLR-VII/BG/31 : Auteur(s): D.P. Costa (USA) and P.A. Prince (United Kingdom)
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Adélie penguin colony size predicts south polar skua abundance on Ross Island, Antarctica
other ecosystem drivers. In the Ross Sea region, most south polar skuas (Catharacta maccormicki) nest ... . Many historical paired estimates of skua numbers and penguin colony sizes in the Ross Sea fell below ... at 23 locations predicted 18 000 skuas (9 000 breeding pairs) total in the western Ross Sea, which is ... ecosystem models applied to fisheries management in the Ross Sea. Author(s): D.J. Wilson, P.O’B. Lyver ...
Meeting Document : WG-EMM-14/55 : Auteur(s): D.J. Wilson, P.O’B. Lyver (New Zealand), A.L. Whitehead (Australia), T.C. Greene (New Zealand), K. Dugger (USA), B.J. Karl, J.R.F. Barringer, R. McGarry (New Zealand), A.M. Pollard and D.G. Ainley (USA)
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Krill, salps and other dominant zooplankton taxa in the Elephant Island area during the 1997 austral summer
1996 sea-ice conditions. These observations strongly suggest that winter sea-ice extent greatly affects ... ", followed a winter with relatively low sea-ice development. The other zooplankton collected ...
Meeting Document : WG-EMM-97/33 : Auteur(s): Puglise, K., Outram, D., Loeb, V.
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IMPACTS OF CLIMATE CHANGE ON ANTARCTIC MARINE ECOSYSTEMS: A CALL FOR ACTION
changes are accelerating as time passes, including regional changes in sea ice persistence and extent. The ... reductions in sea ice will be among the most immediate changes, and likely will lead to major alteration in ... the distribution and abundance of those species whose natural history patterns are closely tied to sea ... increases in temperatures and reductions in winter sea ice would undoubtedly affect the reproduction, growth ...
Meeting Document : CCAMLR-XXVII/BG/27 : Auteur(s): Submitted by ASOC
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Sounds like more krill
Sea was estimated from an international echosounder and net survey (CCAMLR 2000) to be 44.3 million ... the characterization of krill TS. Results indicate that the estimated krill biomass in the Scotia Sea ... level for krill in the Scotia Sea may be warranted. Author(s): D.A. Demer and S.G. Conti (USA) Title ...
Meeting Document : WG-EMM-04/41 : Auteur(s): D.A. Demer and S.G. Conti (USA)
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Population subdivision and distribution of Euphausia superba in the region of the Antarctic Peninsula and adjacent waters in relation to fishery development
krill and the waters of two major circulation systems- those of the Weddell Sea and the Bellingshausen ... Sea inhabited by separate subpopulations of the species. The latter are predominant in the region ... while the proportion of the Weddell Sea krill increases eastward, primarily in the Bransfield Strait but ...
Meeting Document : SC-CAMLR-VIII/BG/21 : Auteur(s): Delegation of USSR