Résultats de la recherche
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Distribution of foraging by female Antarctic fur seals
regions of the continental shelf east of Patagonia (>1000 km) and to the northern edge of the Antarctic ... Abstract: The study examined the distribution of critical habitat for foraging by female ... Antarctic fur seals breeding at the island of South Georgia. Bathymetric features of the continental shelf ... around the island of South Georgia were an important indicator for the localisation of foraging. This ...
Meeting Document : WG-EMM-03/38 : Auteur(s): I.L. Boyd, I.J. Staniland and A.R. Martin (United Kingdom)
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Report of biological observations carried out on board the krill fishing vessel More Sodruzhestva in April to August 1991
and 35 to 36 mm made up the bulk of catches in the south-east of the subarea. No by-catch of juvenile ... observation of krill fishing operations, collection and processing of catch samples for analysing ... physiological status and size composition of krill and also for determining the level of by-catch of juvenile ... -haul was 9.51 and 4.74 tonnes respectively. Krill of two modal sizes, 45 to 48 mm and 49 to 52 mm, were ...
Meeting Document : WG-KRILL-92/06 : Auteur(s): V.I. Latogursky (Russia)
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SUMMER SURVEY OF FUR SEALS AT PRINCE EDWARD ISLAND, SOUTHERN INDIAN OCEAN
Abstract: The onshore distributions and the abundances of Antarctic fur seals Arctocephalus ... the entire south-west coast of Prince Edward Island. Of the two colonies of Antarctic fur seals, the ... colony among Subantarctic fur seals north of Boggel Beach remained small, with increased numbers of ... remained free of Subantarctic fur seals and had expanded at a mean intrinsic rate of natural increase of ...
Meeting Document : WG-EMM-10/P15 : Auteur(s): M.N. Bester, P.G. Ryan and J. Visagie
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Abundance and richness of key Antarctic seafloor fauna correlates with modelled food availability
the East Antarctic shelf depends on both physical processes and the types of benthic organisms ... sinks through the water column. However, the nature and strength of this pelagic–benthic coupling and ... its influence on the structure and diversity of seafloor communities is unclear, especially around ... Antarctica where ecological data are sparse. Here we show that the strength of pelagic–benthic coupling along ...
Meeting Document : WS-SM-18/P01 : Auteur(s): J. Jansen, N.A. Hill, P.K. Dunstan, J. McKinlay, M.D. Sumner, A.L. Post, M.P. Eléaume, L.K. Armand, J.P. Warncock, B.K. Galton-Fenzi and C.R. Johnson
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Interannual variability of krill, salp and other zooplankton populations in the South Shetland Island area during Austral summer 1993–1998
during the 1993 "salp year". The magnitude of this salp bloom may have resulted from a large ... overwintering "seed" population developed the preceding autumn. Presence of large numbers of another ... salp species, Ihlea racovitzai, was unique to AMLR surveys and indicated faunal input from the east ... . Comparisons of January and February 1998 survey data with data from previous AMLR field seasons showed ...
Meeting Document : WG-EMM-98/50 : Auteur(s): V. Loeb, W. Armstrong, R. Hewitt (USA) and V. Siegel (Germany)
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Breeding and post-breeding foraging locations of Adélie penguins at Hope Bay/Esperanza, Antarctic Peninsula
Abstract: We compare the diet and the foraging distribution of Adélie penguins at Hope Bay ... /Esperanza, during the late part of the breeding season and their subsequent post breeding dispersal in two ... krill fishery activity at spatial and temporal scale. During both seasons, the bulk of the diet was ... represented by krill. Foraging locations during the breeding period were concentrated to the west of the ...
Meeting Document : WG-EMM-14/42 : Auteur(s): M.M. Santos (Argentina), P.N. Trathan (UK), S. Thanassekos (Secretariat), E.F. Rombolá, M.A. Juáres (Argentina), K. Reid (Secretariat) and J.T. Hinke (USA)
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Aspects of the distribution and interannual variations in larval fish assemblages at South Georgia, Antarctica
recorded from the whole Southern Ocean. Demersal forms predominate but many of these have extended early ... life histories as pelagic larval and juvenile phases. Only 30 larval stages of the 103 fish species ... occurring at South Georgia have been identified but these represent all of the dominant and economically ... , East Cumberland Bay, and the adjacent shelf areas at South Georgia show both large seasonal variations ...
Meeting Document : WG-FSA-93/09 : Auteur(s): M.G. White (United Kingdom)
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Summer survey of fur seals at Prince Edward Island, southern Indian Ocean
Abstract: The onshore distributions and the abundances of Antarctic fur seals Arctocephalus ... the entire south-west coast of Prince Edward Island. Of the two colonies of Antarctic fur seals, the ... colony among Subantarctic fur seals north of Boggel Beach remained small, with increased numbers of ... remained free of Subantarctic fur seals and had expanded at a mean intrinsic rate of natural increase of ...
Meeting Document : WG-EMM-10/P15 : Auteur(s): M.N. Bester, P.G. Ryan and J. Visagie
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Report of the UK groundfish survey at South Georgia (CCAMLR Subarea 48.3) in January 2015
in the South East. Catches of juvenile Dissostichus eleginoides were dominated by fish of 43-48cm (TL ... Abstract: In January 2015 the UK undertook a bottom trawl survey of CCAMLR sub-Area 48.3 on the ... FV New Polar. A total of 77 random and representative hauls were completed giving good geographic ... coverage and encompassing depths between 108 and 352m. The overall biomass of mackerel icefish ...
Meeting Document : WG-FSA-15/30 : Auteur(s): M. Belchier, S. Gregory, N. Fallon, J. McKenna, S. Hill, M. Soffker (United Kingdom), P. Lafite (South Africa) and L. Featherstone (United Kingdom)
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Detailed distribution of krill fishing around South Georgia
Abstract: The distribution of kri!! harvesting effort and associated catch rates has previously ... only been available to the scientific community in the form of sub-area or fine-scale(0.5 ° latitude by ... 1 ° longitude) recorded statistics. Earlier analyses of these data have shown this was a shelf-break ... fishery over much of the Scotia Sea. Although these statistics give a general idea of where the fishery ...
Meeting Document : WG-EMM-96/64 : Auteur(s): Parkes, G., Everson, I., Trathan, P.N., Murphy, E.J.