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Shags in Antarctica: their feeding behaviour and ecological role in the marine food web.
Abstract: Feeding behaviour, ecological role in the marine food web and population trend of the ... Antarctic Shag Phalacrocorax bransfieldensis and the South Georgia Shag P. georgianus in Antarctica are ... analysed. The diving depths and duration registered in these shags are the deepest and longest among all ... flying birds in Antarctica and match deep dives performed by small Antarctic penguins. Shag individuals ...
Meeting Document : WG-FSA-05/P5 : Автор(ы): Casaux, R., Barrera-Oro, E.R.
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Demography of Antarctic krill in the Lazarev Sea (Subarea 48.6) and the Elephant Island area (Subarea 48.1) in 2004
Abstract: Standardized krill net sampling surveys were conducted in the Lazarev Sea (Subarea 48.6 ... ) in April 2004 and in the Elephant Island area (Subarea 48.1) in January and February/March 2004 ... . Krill densities in the Elephant Island area were below the long-term average which mark a substantial ... decline after the good krill years in 2001 and 2002. Krill density was lower in the Lazarev Sea, even ...
Meeting Document : WG-EMM-04/23 : Автор(ы): V. Siegel (Germany), V. Loeb (USA), B. Bergström (Sweden), S. Schöling (Germany), M. Haraldsson (Sweden), J. Kitchener (Australia), M. Vortkamp (Germany)
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Fish in the diet of breeding Antarctic shags Phalacrocorax bransfieldensis at four colonies in the Danco Coast, Antarctic Peninsula
, Notothenia coriiceps was the main prey in all of the sampling sites, followed in similar importance by G ... . gibberifrons in Cape Herschel, Primavera Island and Midas Island and in less importance by H. antarcticus in Py ... Point. Between colonies there were marked differences in the size of the fish consumed. The largest ... this last colony. The differences in the composition of the diet may be related to the different ...
Meeting Document : WG-EMM-00/9 : Автор(ы): R. Casaux, A. Baroni and E. Barrera-Oro (Argentina)
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Trends in entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at South Georgia
Abstract: A study conducted at South Georgia in 1988/1989 indicated that several thousand ... Antarctic fur seals were entangled mainly in man-made material originating from fishing vessels ... incidence has been halved in recent years. However, the South Georgia fur seal population has approximately ... doubled in the same period, so that the overall total of animals entangled may even have increased ...
Meeting Document : SC-CAMLR-XV/BG/03 : Автор(ы): Delegation of the United Kingdom
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Horizontal and vertical distribution and demography of euphausiids in the Ross Sea and its adjacent waters in 2004/2005
Abstract: The horizontal and vertical distribution and population structure of euphausiids in the ... towed samples. Nine species of euphausiids occurred in the survey area. Among them, Euphausia triacantha ... was dominant in biomass north of the southern boundary of the Antarctic circumpolar current (SB ... near the SB and remained at the surface, but gravid females were dominant in the slope and mainly ...
Meeting Document : WG-EMM-08/P10 : Автор(ы): K. Taki, T. Yabuki, Y. Noiri, T. Hayashi and M. Naganobu
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Diet composition and observations on reproduction of Champsocephalus gunnari in Subarea 48.3 in March/April 1996, Dr Eduardo Holmberg survey
Abstract: The diet composition of the icefish Champsocephalus gumari caught in the Subarea 48.3 ... in March/April 1996 was analyzed using Frequency of occurrence (F%) and coefficient "Q" ... items, known as an important alternative food in years of krill scarcity, were ingested only ... occasionally (Themisto gaudichaudii, F= 1 8%, Q= 1 % at SG; mysids, F= 11 %, Q= 1.1 % at SR) or in negligible ...
Meeting Document : WG-FSA-96/28 Rev. 1 : Автор(ы): Marschoff, E., Barrera-Oro, E., Casaux, R.
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Survey results on abundance and biology of toothfish in Division 58.4.3b by Shinsei maru No.3 during 2006/07–2011/12 and proposal of the consecutive survey in 2012/13
Abstract: Research-based New and Exploited fisheries have been conducted in order to collect ... information for the stock status and biology of toothfish in the Division 58.4.3b (Banzare Bank), using a ... downward tendencies with years. D. mawsoni mainly occurred in the shallower areas > 1 200 m but ... decreased in the CPUE as the depth decreased, while D. eleginoides mainly occurred in 600 – 1 000 m depths ...
Meeting Document : WG-FSA-12/56 : Автор(ы): K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan)
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Revised research plan for toothfish in Divisions 58.4.4 a and 58.4.4b by Shinsei maru No. 3 in 2012/13
Abstract: A tagging survey in SSRUs B and C in Division 58.4.4 a & b was conducted in the ... structure, size, movement and growth of Dissostichus spp. in the centred area of Division 58.4.4 a & b ... . An approximate stock biomass level of Dissostichus spp. in the survey area was tentatively estimated ... ton) was smaller than that 1 928 tonnes estimated in the WG-FSA meeting in 2011 (SC-CAMLR XXX, Annext ...
Meeting Document : WG-FSA-12/58 Rev. 1 : Автор(ы): Delegation of Japan
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Variability of krill fishery operations in Subarea 48.2 in relation to fishing methods: spatial–temporal distribution of CPUE and of fishing efforts
in Subarea 48.2 with special attention to the period 2006-2011 which is characterized by the highest ... values of standardized CPUE indices in the Subarea 48.2 for the last 25 years. The paper provides the ... fishing methods. It was shown how fishery operated by years and month in each SSMUs with special attention ... to differences between national fleets. Our results provide the evidence that ‘high CPUE’ regime’ in ...
Meeting Document : WG-EMM-14/22 : Автор(ы): S. Kasatkina (Russia)
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Revised research plan for the exploratory longline fishery for Dissostichus spp. in 2014/15 in Division 58.4.3a
Abstract: In 2011/2012, the Saint André conducted its first exploratory fishery for Dissostichus ... spp. in division 58.4.3a. France notified its wish to continue this exploratory fishery over the ... coming years in order to achieve a robust stock assessment that would provide advice on a catch limit ... improve the estimation of current biomass. The stock size in division 58.4.3a was estimated during WG-FSA ...
Meeting Document : WG-FSA-14/05 : Автор(ы): Delegation of France
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