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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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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Spatial distribution of foraging by female Antarctic fur seals
dispersed to specific regions associated with the continental shelf east of Patagonia (>1000 km) and to ... Abstract: The study tested the hypothesis that the distribution of critical habitat for foraging ... by female Antarctic fur seals breeding at the island of South Georgia was influenced by physical ... hypothesis that fur seal predation was capable of causing local depletion of prey species. When foraging in ...
Meeting Document : WG-EMM-01/26 : Autor(es): I.L. Boyd, I.J. Staniland and A.R. Martin (United Kingdom)
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Report of the Workshop for the International Coordinated Survey in conjunction with CCAMLR-2000 Survey
krill density; near the east end of Elephant Island, mid-way between Elephant and King George Islands ... Abstract: Vessels from Japan, Republic of Korea, Peru and the USA had participated in the conduct ... of five acoustic/oceanographic surveys from late December 1999 and to early March 2000 in conjunction ... %), 39.5 g m-2 (CV 15.2 %) and 43.0 g m-2 (CV 14.1 %) over a nine-week period. Maps of biomass density for ...
Meeting Document : WG-EMM-01/68 : Autor(es): Delegations of Japan, Rep. of Korea, USA and Peru
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Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia
the levels of depredation caused by killer whales (Orcinus orca) and sperm whales (Physeter ... macrocephalus) around South Georgia. Since 2003, cetaceans have been observed on 22% of 14 300 observed lines ... , with killer whales present on 3.8% and sperm whales on 17.7% of lines. Killer whales appear in pod ... sizes normally of 4 to 10 animals, and often appear to actively seek out fishing vessels and ‘strip’ the ...
Meeting Document : WG-FSA-10/P06 : Autor(es): J. Moir Clark and D.J. Agnew
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Results of the 2015 multi-Member longline survey for toothfish in the northern Ross Sea region (Subarea 88.2 SSRUs A–B) and proposal for 2016 operations
Abstract: The first year of a two-year and multi-member research survey using standardised ... longline gear to sample toothfish populations was carried out in the northern areas (60°‑ 66° S) of SSRUs ... of 109.1 t of Antarctic toothfish and two Patagonian toothfish (0.029 t) were caught. Toothfish catch ... . Age composition of the catch as predicted by the spatial population model was similar to that observed ...
Meeting Document : WG-FSA-15/32 : Autor(es): S.J. Parker, R.J.C. Currey (New Zealand), M. Söffker, C. Darby (United Kingdom), O. Godø (Norway) and A. Petrov (Russia)
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Foraging movements of the shy albatross Diomedea cauta breeding in Australia; implications for interactions with longline fisheries
Japanese Southern Bluefin Tuna longline fishery to the south and east coasts of Tasmania has resulted in ... Abstract: Satellite telemetry was used to identify the foraging zones of Shy Albatrosses Diomedca ... cauta breeding at two sites of Tasmania, Australia (Albatross Island in western Bass Strait and Pedra ... Branca to the south) to assess their level of interaction with longline fisheries. Adult birds from both ...
Meeting Document : WG-FSA-97/52 : Autor(es): Gales, R., Hedd, A., Brothers, N., Robertson, G.
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Foraging movements of the shy albatross Diomedea cauta breeding in Australia; implications for interactions with longline fisheries
Japanese Southern Bluefin Tuna longline fishery to the south and east coasts of Tasmania has resulted in ... Abstract: Satellite telemetry was used to identify the foraging zones of Shy Albatrosses Diomedea ... Branca to the south) to assess their level of interaction with longline fisheries. Adult birds from both ... Branca foraged between the colony and the southeastern edge of the continental shelf. The distances ...
Meeting Document : WG-FSA-98/33 : Autor(es): N. Brothers, R. Gales, A. Hedd and G. Robertson (Australia)