Resultados de la búsqueda
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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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): Parkes, G., Everson, I., Trathan, P.N., Murphy, E.J.
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Changes in the foraging range of Adélie penguins as the breeding season progresses
. Birds foraging prior to their annual moult travelled hundreds of kilometres to both the west and east of ... season of Adélie penguins nesting at Béchervaise Island on the Mawson coast of Eastern Antarctica. A ... decade’s worth of satellite tracking data was loaded into geographical information systems (GIS) software ... to produce maps of where the penguins travel to feed during each of the incubation, guard, crèche and ...
Meeting Document : WG-EMM-04/57 : Autor(es): J. Clarke and L. Emmerson (Australia)
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Target strengths of Antarctic krill (Euphausia superba)
Paper Title: Target strengths of Antarctic krill (Euphausia superba) Abstract / Description: The ... Mean Volume Backscattering Strength of encaged aggregations of swimming krill have been measured at 38 ... and Nakken 1972, Johannesson and Mitson 1983), knowledge of the target strength is essential. The ... : 69 pp. FORBES, S.T. and O. NAKKEN. 1972. Manual of methods for fisheries resource survey and ... SC-CAMLR-VII/BG/30 TARGET STRENGTHS OF ANTARCTIC KRILL ... Backscattering Strength of encaged aggregations of swimming krill have been measured at 38 and 120 kHz in a ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 265–279 : Autor(es): Everson, I., D.G. Bone, J.L. Watkins and K.G. Foote