Search results
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Competition-induced starvation drives large-scale population cycles in Antarctic krill
. Previous studies have postulated that the krill cycle is induced by periodic climatological factors, but ... these postulated drivers neither show consistent agreement, nor are they supported by quantitative ...
Meeting Document : WG-EMM-18/P05 : Author(s): A.B. Ryabov, A.M. de Roos, B. Meyer, S. Kawaguchi and B. Blasius
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Cycles of Euphausia superba recruitment evident in the diet of Pygoscelid penguins and net trawls in the South Shetland Islands, Antarctica
proportionately more females when the krill population was dominated by large adults at the end of the cycles; net ... reported elsewhere in the region and are likely driven by the availability of different sizes and sexes of ...
Meeting Document : WG-EMM-07/P2 : Author(s): A. Miller and W. Trivelpiece (USA)
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Estimates of natural and fishing mortality from toothfish mark–recapture and catch-at-age data at South Georgia
fishing mortality, for the given age range, than are assumed and predicted by the current assessment ... estimates of the exploitation rate predicted by the full assessment models, currently being implemented ...
Meeting Document : WG-FSA-06/54 : Author(s): R.M. Hillary and D.J. Agnew (United Kingdom)
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2006 assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
Abstract: The ASPM assessment of the Prince Edward Islands toothfish resource by Brandão and ... to be taken by pots (which avoid the cetacean predation associated with longlining). Specific issues ...
Meeting Document : WG-FSA-06/58 : Author(s): A. Brandão and D.S. Butterworth (South Africa)
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Fishing ground selection in krill fishery: trends in its patterns across years, seasons, and nations
seasonal SSMU selection were characterized by following the result of cluster analysis. Frequently used ... SSMUs did not always match the areas of high krill densities observed by scientific surveys, and ...
Meeting Document : WG-EMM-05/28 : Author(s): S. Kawaguchi (Australia), K. Taki and M. Naganobu (Japan)
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Stratification of catch-at-length data using tree based regression: an example using Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
frequency data. The median lengths were weighted within the regression by the inverse of the variance ... , rather than giving equal weights to all tows. Two variables (depth and SSRU) were used by the tree ...
Meeting Document : WG-FSA-SAM-05/8 : Author(s): N.L. Phillips, A. Dunn and S.M. Hanchet (New Zealand)
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The diet of Antarctic fur seals, Arctocephalus gazella, at King George Island, during the summer–autumn period
investigated at Stranger Point, King George Island, by scat analysis from February to April 1996. Overall ... ), followed by Cephalopods (12%). Myctophids constituted almost 90% of the fish predated, being Electrona ...
Meeting Document : WG-EMM-04/4 : Author(s): G.A. Daneri, A.R. Carlini, C.M. Hernandez and A. Harrington (Argentina)
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PROPERTIES OF WATER DYNAMICS AND KRILL DISTRIBUTION IN THE SOUTH SANDWICH ISLANDS SUBAREA
and meanders, caused by water dynamics; location of significant biomass that is formed by swarms ...
Meeting Document : WG-EMM-09/44 Rev. 1 : Author(s): S.M. Kasatkina and V.N. Shnar (Russia)
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Length composition, sex ratio, and pre-spawning migration of Dissostichus eleginoides in Subarea 48.3 during 1995
Abstract: Haul by haul Chilean and Argentinian data show that fishing forDissostichus eleginoides ... seen at NWSG, although the sex ratio did change in favour of males (60% male by early May). The changes ...
Meeting Document : WG-FSA-95/27 Rev. 1 : Author(s): Agnew, D.J.
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Composition and vertical distribution of the benthopelagic ichthyofauna of the southern part of the Kerguelen ridge
having a wider geographical range. The 900-1000 m depth range was characterized by the greatest diversity ... analysis of their vertical distribution by area and depth with the information about their biological state ...
Meeting Document : WG-FSA-96/13 : Author(s): Piotrovsky, A.S.