Résultats de la recherche
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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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): N. Brothers, R. Gales, A. Hedd and G. Robertson (Australia)
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Comparative biological characteristics of Electrona carlsbergi (Tåning) (Myctophidae) from the notal and Antarctic areas in the Southern Ocean Atlantic sector
catches, occurred in much high amount to the east of 30°W. In the notal area the length of E. carlsbergi ... Abstract: Some biological peculiarities of E. carlsbergi from the Antarctic and notal areas of ... the Southern Ocean Atlantic sector have been studied on the basis of the data for 1987-1989. Mean ... length of fish from the Antarctic area increased while drifting eastward in the Antarctic circumpolar ...
Meeting Document : WG-FSA-90/21 : Auteur(s): K.V. Gorchinsky, V.M. Kiseleva and A.A. Filin (USSR)
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Report of the UK Groundfish Survey at South Georgia (CCAMLR Subarea 48.3) in January/February 2019
South West to 33.49% IRI in the South East. Catches of juvenile Dissostichus eleginoides were small and ... Abstract: The UK undertook a bottom trawl survey of CCAMLR sub-Area 48.3 on the FV Sil between ... the 27thth January and 5th February 2019. A total of 73 random and representative hauls were completed ... covering depths of between 108 and 352m. Overall biomass of mackerel icefish, Chamsocephalus gunnari, was ...
Meeting Document : WG-FSA-2019/20 : Auteur(s): S. Gregory, P. Hollyman, T. Earl, A. Clement, J. Visagie, L. Featherstone and M. Belchier
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Relationship between distribution of Antarctic krill (Euphausia superba) and environmental index MTEM-200 in the Antarctic Ocean throughout the year
concentrated in three waters in the east Antarctic Ocean, the Scotia Sea, and north of South Georgia Island ... Abstract: Antarctic krill (Euphausia superba) is the key species of the Antarctic marine ... the entire Antarctic Ocean. To clarify the relationship between krill distribution of krill and ... 2008 from the CCAMLR database. Another is accumulated water temperature data of the World Ocean ...
Meeting Document : WG-EMM-08/32 : Auteur(s): M. Naganobu, T. Kitamura and K. Hasunuma (Japan)