Resultados de la búsqueda
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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 : Autor(es): Casaux, R., Barrera-Oro, E.R.
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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 : Autor(es): R. Casaux, A. Baroni and E. Barrera-Oro (Argentina)
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Protection of young fish and spawning aggregations in the fishery for Champsocephalus gunnari in Subarea 48.3 (South Georgia): a discussion
Abstract: The need to protect young fish and spawning aggregations in fisheries generally, and ... specifically in the C. gunnari fishery in Subarea 48.3, is reviewed. Mechanisms available to achieve these ... objectives are discussed, including the measures put in place by CCAMLR to date. These measures are re ... -examined in the light of new information, and a strategy for the future protection of young fish and ...
Meeting Document : WG-FSA-99/52 : Autor(es): G. Parkes (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 : Autor(es): K. Taki, T. Yabuki, Y. Noiri, T. Hayashi and M. Naganobu
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Research plan for the exploratory fisheries for Dissostichus spp. in Subarea 48.6 and Divisions 58.4.1, 58.4.2 and 58.4.3a in 2013/14
Abstract: Japan has notified its intention to participate in the exploratory fisheries for ... Dissostichus spp. in Subarea 48.6 and Divisions 58.4.1, 58.4.2 and 58.4.3a in 2013/14. The research plan ... details the objectives, rationale and activities proposed for research fishing, in accordance with ... Conservation Measures 21-02 and 24-01. A progress report on the research fishing in Subarea 48.6 in 2012/13 was ...
Meeting Document : WG-SAM-13/09 : Autor(es): Submitted by the Secretariat on behalf of Japan
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Proposal by the Russian Federation to open Areas of Special Scientific Interest in three sectors of Antarctica in the CCAMLR Convention Area
Abstract: According to the Antarctic Treaty, which came into force in 1961, Antarctica is an area ... scientific research and biological resources in the Southern Ocean. The regulations on such activities are ... set forth in the Convention on the Conservation of Antarctic Marine Living Resources and are governed ... expiration date of the Antarctic Treaty, nations are more actively showing an interest in this region and ...
Meeting Document : CCAMLR-XXXIV/BG/22 : Autor(es): Delegation of the Russian Federation
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Results of a hydroacoustic survey of Antarctic krill populations in CCAMLR Division 58.4.1 carried out in January to April 1996
Abstract: In January-March 1996 a hydroacoustic survey for Antarctic krill was conducted in ... CCAMLR Division 58.4.1 for the purposes of estimating overall biomass (B0). The krill biomass in the area ... in the west of the survey area 800-1200E than in the 120°-150°E region. The majority of the krill ... detected were found in the top 80 metres of the water column. Author(s): Higginbottom, I., de la Mare, W ...
Meeting Document : WG-EMM-96/28 : Autor(es): Higginbottom, I., de la Mare, W., Pauly, T., Nicol, S.
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Overview and update of Australia’s scientific tagging program in the Patagonian toothfish (Dissostichus eleginoides) fishery in the vicinity of Heard and McDonald Islands (Division 58.5.2)
Abstract: Australia has conducted a scientific tagging program in the Dissostichus eleginoides ... fishery in 58.5.2 since the 1997/98 season. This program has yielded data which has assisted with ... . Tagging effort and recaptures are very concentrated in a relatively small area of this species’ habitat in ... this Division. Furthermore, as toothfish appear to have complex patterns of movement in space and time ...
Meeting Document : WG-FSA-07/48 Rev. 1 : Autor(es): D.C. Welsford, T. Lamb and G.B. Nowara (Australia)
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A spatial multi-species operating model (SMOM) of krill–predator interactions in small-scale management units in the Scotia Sea
dynamics is developed in response to requests for scientific advice regarding the subdivision of the ... precautionary catch limit for krill among 15 small-scale management units (SSMUs) in the Scotia Sea to reduce ... of krill in each of the SSMUs, as well as the numbers of predator species in each of these areas. The ... numerous uncertainties regarding the choice of parameter values, a Reference Set is used in preference to a ...
Meeting Document : WG-EMM-06/12 : Autor(es): É. Plagányi and D. Butterworth (South Africa)
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Fatty acid analysis to infer diet of Antarctic toothfish caught in February 2012 in the southern Ross Sea
Abstract: To infer important prey resources for Antarctic toothfish (Dissostichus mawsoni) in the ... south of SSRUs 881.J and 881.L in the southern Ross Sea, their lipid composition was determined and ... compared tolipid profiles of fish and invertebrate species taken as bycatch in the fishery or collected ... of pre-recruit toothfish from research vessel in February 2012. Results of fatty acid (FA) and stable ...
Meeting Document : WG-FSA-12/61 : Autor(es): I. Yeon, H.-S. Jo, C. Lim (Republic of Korea), S.M. Hanchet (New Zealand), D.-W. Lee and C.-K. Kang (Republic of Korea)