Search results
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Variations in food composition and feeding intensity of mackerel icefish (Champsocephalus gunnari) at South Georgia
. Variation in food composition between sampling sites was high. This high variation can be primarily ... attributed to differences in prey availability, but appears to be much less influenced by differences in ...
Meeting Document : WG-FSA-92/26 : Author(s): K.-H. Kock (Germany), I. Everson (United Kingdom), S. Wilhelms (Germany), S. Campbell (United Kingdom), J. Szlakowski (Poland), G. Parkes (United Kingdom), Z. Cielniaszek (Poland) and C. Goss (United Kingdom)
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Proposal to continue the time series of research surveys to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea in 2013
recruitments from a well-designed survey could be a useful input into the Ross Sea stock assessment model and ... could be included as additional strata in future annual surveys. Author(s): S.M. Hanchet, S. Mormede ...
Meeting Document : WG-SAM-12/28 : Author(s): S.M. Hanchet, S. Mormede, S.J. Parker and A. Dunn (New Zealand)
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Trawl survey of the Patagonian toothfish (Dissostichus eleginoides) resource off the Prince Edward Islands
aid in the design of such surveys should they be deemed practical. The maximum operating depth for the ... be surveyed by bottom trawl. The small area above the 1 500m isobath is scattered over 28 hills and ...
Meeting Document : WG-FSA-01/72 : Author(s): R.W. Leslie and B.P. Watkins (South Africa)
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A proposal to subdivide CCAMLR Statistical Division 58.4.1 using environmental data
58.4.1 can be divided into two approximately equal sized subdivisions: 80-115?E and 115-150?E on the ... latitudinally extensive in this area. This observed pattern appears to be historically stable. Because of the ...
Meeting Document : WG-EMM-00/30 : Author(s): S. Nicol and T. Pauly (Australia)
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On possibility of using acoustic method to improve quality of Champsocephalus gunnari biomass estimates in Subarea 48.3
, biomass of which would be out of bottom trawl survey access. It has been indicated that one of directions ... of improving Ch.gunnari stock state estimation could be an application of acoustic method to evaluate ...
Meeting Document : WG-FSA-00/31 : Author(s): S. Kasatkina (Russia)
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Changes in biomass of eight species of finfish around the South Orkney Islands (Subarea 48.2) from three bottom trawl surveys
levels of most species appear to be unchanged or may have declined slightly since 1991. The stock of C ... . gunnari is currently extremely low, while there appears to be a strong signal of recovery for N. rossii ...
Meeting Document : WG-FSA-99/32 : Author(s): C.D. Jones (USA), K.-H. Kock (Germany) and E. Balguerías (Spain)
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Climate change and precautionary spatial protection: seasonal sea ice
Abstract: Regional climate change is now known to be well established in the Antarctic; however ... currently covered by seasonal sea ice (as of 2011) could be considered for creation as restricted use Marine ...
Meeting Document : WS-MPA-11/18 : Author(s): P.N. Trathan and S.M. Grant (UK)
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SPATIAL PROTECTION AND MANAGEMENT OF ANTARCTIC MARINE BIODIVERSITY
and management that can be implemented in Antarctic waters, including details on the tools currently ... be made on establishing effective systems of marine spatial protection. It is concluded that ...
Meeting Document : WG-EMM-09/09 : Author(s): S. Grant (United Kingdom)
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Use of a population model to assess the impact of longline fishing on wandering albatross populations
; such deaths are likely to be relatively more frequent among young, naive birds. The model is used to ... -50 years to stabilize after a perturbation. Consequently, caution must be exercised when interpreting ...
Meeting Document : WG-IMALF-94/08 : Author(s): Coleen L. Moloney, John Cooper, Peter G. Ryan and W. Roy Siegfried (South Africa)
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IDENTIFICATION OF DATA QUALITY METRICS FOR TAGGING DATA SELECTION
quality metrics may be most powerful in distinguishing the trips considered to have good tagging data ... could be helpful in the identification of trips which have similar data quality to the known “good data ...
Meeting Document : WG-SAM-09/19 : Author(s): D.A.J. Middleton and A. Dunn (New Zealand)