Résultats de la recherche
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Patterns in the diet of mackerel icefish (Champsocephalus gunnari) on the South Georgia and Shag Rocks shelf (CCAMLR Subarea 48.3)
Abstract: The diet of the mackerel icefish was investigated from stomach contents analysis of ... fish caught in research trawls at South Georgia and Shag Rocks in January 2004. The results are ... ), the pelagic amphipod (Themisto gaudichaudi) and mysids. The diet differed between the age classes of ... Kingdom) Title: Patterns in the diet of mackerel icefish (Champsocephalus gunnari) on the South Georgia ...
Meeting Document : WG-FSA-04/44 : Auteur(s): M.A. Collins, R. Mitchell, G. Tarling and M. Belchier (United Kingdom)
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Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea
precautionary catch limit of krill for Area 48 into the small-scale management units (SSMU) adopted at CCAMLR ... Abstract: With the intent of stimulating discussion, we present four options for subdividing the ... each SSMU; the second is proportional to the estimated standing stock of krill in each SSMU; and the ... allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea ...
Meeting Document : WG-EMM-03/36 : Auteur(s): R.P. Hewitt, G. Watters (USA) and P.N. Trathan (United Kingdom)
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CPUEs and body length of Antarctic krill during the 1999/2000 season in Area 48
. Trawling positions, CPUEs and body length of Antarctic krill during the period is described. The krill ... observer undertaken at the same time, and they resulted in good agreements. The discussion was extended to ... the possibility of intra-annual variability of two krill stocks (Antarctic Peninsula and Weddell Sea ... stocks). Author(s): S. Kawaguchi and M. Naganobu (Japan) Title: CPUEs and body length of Antarctic ...
Meeting Document : WG-EMM-01/36 : Auteur(s): S. Kawaguchi and M. Naganobu (Japan)
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Towards an ecosystem status assessment for South Georgia ‘Variability of Southern Ocean Ecosystems’ Project Team
Abstract: We present the beginnings of a compilation of a suite of physical and biological ... oceanographic data, and concomitant data on abundance and condition of some key zooplankton species and ... vertebrate higher predator species, collected at sea off South Georgia and from Bird Island between 1996 and ... 1999. We plan to use these data, some of which arise from the British Antarctic Survey's Core ...
Meeting Document : WG-EMM-00/61
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Proposal to continue participation in the second year of the joint CCAMLR research survey to collect spatially stratified longline and bathymetric data in 88.2_A and 88.2_B in 2015/16
that will conduct the second year of research and summarises the research plan, previously agreed at ... Abstract: Toothfish in SSRUs 882.A–B are currently managed as part of the Ross Sea region stock ... the management across all of the region. Recognising this requirement, the Scientific Committee ... endorsed two years of spatially stratified longline surveys in the northern region of SSRUs 88.2A–B (SC ...
Meeting Document : WG-SAM-15/41 : Auteur(s): Delegation of Norway
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Time series of Drake Passage Oscillation Index (DPOI) from 1952 to 2005, Antarctica
, between Rio Gallegos (51°32’S, 69°17’W), Argentina, and Base Esperanza (63°24’S, 56°59’W), at the tip of ... Abstract: An assessment of the environmental processes influencing variability in the recruitment ... and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ...
Meeting Document : WG-EMM-05/17 : Auteur(s): M. Naganobu and K. Kutsuwada (Japan)
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DEMOGRAPHY OF ANTARCTIC KRILL AND OTHER EUPHAUSIACEA IN THE LAZAREV SEA - LAKRIS THE GERMAN CONTRIBUTION TO CCAMLR-IPY IN SUMMER 2008
contribution to CCAMLR-IPY 2008. At the start of the survey period the entire survey area was completely ... covered with seasonal pack-ice, but rapidly retreating until the end of the survey in late January. 52 ... samples were taken by RMT 8 and RMT 1 along three transects south of 60°S. Krill and other Antarctic ... and seasonal development of maturity stages were analysed. Distribution and density of krill larvae ...
Meeting Document : WG-EMM-08/07 : Auteur(s): V. Siegel, J. Edinger, M. Haraldsson, K. Stürmer, M. Vortkamp (Germany)
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Density and geographical distribution of krill larvae on the Weddell – Scotia Confluence region during summer 2011
values at a fixed grid of points. Significance of the differences was established using a binomial test ... Abstract: The analysis of euphausiid larvae collected during january 2011 in the Weddell Scotia ... Confluence region show a strong decrease in the abundance of Euphausia superba larvae and an increase in ... associations of the different larvae and especies correspond to the available information. The densities ...
Meeting Document : WG-EMM-16/51 : Auteur(s): E. Rombolá, C. Franzosi, G. Tossonotto, V. Alder and E. Marschoff
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Dietary composition of juvenile Dissostichus eleginoides (Pisces, Nototheniidae) around Shag Rocks and South Georgia, Antarctica.
Abstract: A diet analysis of the Patagonian toothfish Dissostichus eleginoides, trawled in the ... South Georgia Islands area in March–April 1996, was carried out by frequency of occurrence (F%) and ... coefficient ‘‘Q’’ (%) methods. The samples consisted chiefly of immature specimens, with predominant length ... ranges of 30–70 cm (TL). Fish was by far the main food on the shelves of Shag Rocks and South Georgia ...
Meeting Document : WG-FSA-05/P6 : Auteur(s): Casaux, R., Barrera-Oro, E.R., Marschoff, E.R.
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The survivorship of rays discarded from the South Georgia longline fishery
in waters between, 1400 to 1600m and a mortality of 100% for skate caught at 2000m. We recommend from ... throughout the months of May and June, during 2003 toothfish fishing season in Subarea 48.3. From these ... results we can conclude that depth has a significant influence on the mortality of skate, with a predicted ... mortality of 0% for skate caught in waters of less than 1100m. A predicted mortality of 65% for skate caught ...
Meeting Document : WG-FSA-03/57 : Auteur(s): M. Endicott and D.J. Agnew (United Kingdom)