Résultats de la recherche
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Fishes caught along with the Antarctic krill in the vicinity of the South Shetland Islands during the austral summer months of 1994
Abstract: Observations on abundance of by-catch fishes were made during the austral summer months ... of 1994 (from January 12 to February 18) on board F/V Niitaka Maru in the north of the South Shetland ... Islands. Among 99 net hauls examined, a total of 77 specimens of fishes belonging to 13 species were found ... also secondary abundant. To compare abundance of each fish species, the index of its occurrence in ...
Meeting Document : WG-Krill-94/25 : Auteur(s): T. Iwami (Japan)
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Acoustic visualization of the three-dimensional prey field of foraging chinstrap penguins
Abstract: Predator-prey interactions play an important role in determining the dynamics of ... ecosystems. Recently, concerns have arisen due to the commercial harvesting of Euphausia superba, the ... these concerns because of problems associated with determining the availability of krill to their ... -dimensional distribution of krill within a 1852 X 1852 X 100 m volume of ocean. Our study revealed the ...
Meeting Document : WG-Joint-94/12 : Auteur(s): J.E. Zamon, C.H. Greene, E. Meir, D.A. Demer, R.P. Hewitt and S. Sexton (USA)
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Plan of research program of the Russian Federation in Subarea 48.5 (Weddell Sea) in season 2012/13
Abstract: Closed mostly within the Weddell Sea Subarea 48.5 is one of the closed data-poor CCAMLR ... subareas, where stock assessment should be carried out. In spite of hard ice conditions during most of the ... time of the year, this large water area is very similar with the Ross Sea. This similarity, which could ... as one of the most promising area for exploratory fishery of Dissostichus sp. However, fishery in ...
Meeting Document : WG-SAM-12/04 : Auteur(s): A.F. Petrov, V.A. Tatarnikov and I.I. Gordeev (Russia)
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Precautionary spatial protection to facilitate the scientific study of habitats and communities under ice shelves in the context of recent, rapid, regional climate change
the Antarctic Peninsula region. One of the most evident signs of climate change has been ice shelf ... collapse; overall, 87% of the Peninsula’s glaciers have retreated in recent decades. Ice shelf collapse ... will lead to the loss of existing marine habitats and the creation of new habitats. In general, fauna ... nutrient input, there may be consequent loss of some species or communities. Colonisation of new habitats ...
Meeting Document : WG-EMM-12/34 : Auteur(s): P.N Trathan, S.M. Grant (United Kingdom), V. Siegel and K.-H. Kock (Germany)
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Diet and trophic niche of Macrourus spp. (Gadiformes, Macrouridae) in the Ross Sea region of the Southern Ocean
Sea region at depths between approximately 500 and 2100 m. We present the analysis of stomach contents ... (including regurgitated stomach contents) from an undifferentiated mixture of 33 specimens of these species ... (henceforth Macrourus spp.) in the Ross Sea region of the Southern Ocean. Samples of stomach contents were ... . Overall, amphipods were the dominant prey found in Macrourus spp. stomachs with an index of relative prey ...
Meeting Document : WG-EMM-12/P03 : Auteur(s): M.H. Pinkerton, J. Forman, D.W. Stevens, S.J. Bury and J. Brown
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Plan of research program of the Russian Federation in Subarea 48.5 (Weddell Sea) in season 2012/13
Abstract: Closed mostly within the Weddell Sea Subarea 48.5 is one of the closed data-poor CCAMLR ... subareas, where stock assessment should be carried out. In spite of hard ice conditions during most of the ... time of the year, this large water area is very similar with the Ross Sea. This similarity, which could ... as one of the most promising area for exploratory fishery of Dissostichus sp. However, fishery in ...
Meeting Document : WG-FSA-12/12 : Auteur(s): A.F. Petrov, V.A. Tatarnikov and I.I. Gordeev (Russia)
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Some aspects of size composition dynamics of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea (Statistical Subarea 88.1)
Abstract: The analysis of the data on size composition of Antarctic toothfish (Dissostichus ... mawsoni) from catches in different statistical areas of the Ross Sea was given. Biological data for two ... the size composition of the fished part of Antarctic toothfish population. It was noted that during ... both periods of the fishery, in the southern statistical areas (SSRU H, I, K, L), the portion of small ...
Meeting Document : WG-FSA-12/17 : Auteur(s): A.K. Zaytsev (Ukraine)
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) - Version 2015 - Part C: Data analysis and MPA scenario development
EMM) the background document that provides the scientific basis for the evaluation of a marine ... protected area (MPA) in the Weddell Sea planning area. The contents and structure of the whole document ... reflect its main objectives, i.e. to set out the general context of the establishment of MPAs and to ... data retrieval process (Part B), and to describe the results of the scientific analyses and the MPA ...
Meeting Document : WG-EMM-15/46 : Auteur(s): K. Teschke, H. Pehlke, M. Deininger, L. Douglass and T. Brey on behalf of the German Weddell Sea MPA project team
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Plan of research program of the Ukraine in Subarea 48.2 in 2016 (second season)
research activities on the assessment of the stock state of the Dissostichus spp species in subarea 48.2 ... will be carried out within three years. Implementation of the tagging program in the long-term ... prospective will provide the indicators for the procedure of abundance assessment of the studied species in ... certain number of the following bottom long line surveys are proposed to be conducted during March-April ...
Meeting Document : WG-FSA-15/45 : Auteur(s): Delegation of Ukraine
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Notification for scientific research in 2019/20 under CM 24-01: Proposal for a winter longline survey of Antarctic toothfish in the northern region of Subareas 88.1 and 88.2
Abstract: We propose to test three hypotheses to describe the reproductive ecology of Antarctic ... transport mechanism for subsequent advection patterns, all of which could be impacted by climate change ... only exists from the west of the region (SSRU 88.1B), yet adult Antarctic toothfish are found much ... further east and north of the CCAMLR Convention area, which is bounded by latitude 60°S. Obtaining a ...
Meeting Document : WG-SAM-18/09 : Auteur(s): Delegation of New Zealand