Résultats de la recherche
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Distribution and abundance of Antarctic krill in the vicinity of Elephant Island during the 1994 austral summer
from four acoustic surveys conducted in the vicinity of Elephant Island, Antarctica, from mid-January ... high densities of krill were mapped in the shoal waters to the north of Elephant Island; biomasses were ... during the last five years of AMLR surveys in the Elephant Island study area and one-fifth of the 1990 ... -1992 average density. In spite of the low krill densities, the reproductive success of land-breeding ...
Meeting Document : WG-Joint-94/09 : Auteur(s): R.P. Hewitt and D.A. Demer (USA)
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Results of phase I of the Russian research program for toothfish fishery in Subarea 88.3 during the 2010/11 season
Abstract: In accordance with decision of SC-CCAMLR in 2010, the Russian Federation conducted ... different size were tagged, size distribution of tagged fish being in accordance with the size distribution ... Title: Results of phase I of the Russian research program for toothfish fishery in Subarea 88.3 during ... research fishery on toothfish in Subarea 88.3 in the season 2010/11. The researches were carried out ...
Meeting Document : WG-FSA-11/36 : Auteur(s): Delegation of Russia
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Analysis of krill trawling positions in the area north of the South Shetland Islands (Antarctic Peninsula area) from 1980/81 to 1998/99
Abstract: Positions of commercial krill operation for 1980/81 season to 1998/99 season in the ... from mid-1980 onwards, they tended to happen in the south, with exceptions of 1994/95 and 1995/96 ... seasons. Predicted latitudes of operation significantly correlated with Salp densities in the Elephant ... to the intention of fishing vessels to reduce the salp in the products. Author(s): S. Kawaguchi ...
Meeting Document : WG-EMM-00/58 : Auteur(s): S. Kawaguchi (Japan)
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Results of Phase I and II of the research program for toothfish fishery in Subarea 88.3 during the 2010/11–2011/12 seasons
hypotheses about the ratio of fish in the area and the total stock as well as studying of biological ... Abstract: In 2011 and 2012 in Subarea 88.3 research fishing of toothfish has been conducted by ... 2336 m. Total number of set hooks amounted 171096. In 2011 research fishing covered SSRU B, C and D ... research fishing data contributes to the achievement of the main objectives of research for the data-poor ...
Meeting Document : WG-SAM-12/05 : Auteur(s): A.F. Petrov, V.A. Tatarnikov, K.V. Shust, I.I. Gordeev, E.F. Kulish (Russia)
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A review of rattail (Macrourus spp.) and skate by-catch and analysis of standardised CPUE, for the exploratory fishery in the Ross Sea (CCAMLR Subareas 88.1 and 88.2) from 1997/98 to 2004/05
analysis of standardised CPUE, for the exploratory fishery in the Ross Sea (CCAMLR Subareas 88.1 and 88.2 ... rattails (Macrourus spp.) and skates in the exploratory fishery for toothfish in the Ross Sea (CCAMLR ... from all vessels in the fishery from 1997/98 to 2004/05. The major factors influencing rattail bycatch ... were vessel, area, and depth. Catch rates of rattails were highest along the shelf edge (SSRUs 88.1E ...
Meeting Document : WG-FSA-05/24 : Auteur(s): S.L. Ballara and R.L. O’Driscoll (New Zealand)
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Otolith microstructure of juvenile fish, the first annulus radius and pelagic stage duration of icefish Champsocephalus gunnari (Channichthyidae) in the South Georgia area
Abstract: On the basis of the results of the trawl-acoustic survey in February-March 2002, the ... in the first 100 days of fish life was 6?k at fish length of 4 cm. By the 200th day the daily growth ... annulus radius and pelagic stage duration of icefish Champsocephalus gunnari (Channichthyidae) in the ... represent a mixture of two year-classes of 1999-2000 and 2000-2001. The mean width of the daily growth zone ...
Meeting Document : WG-FSA-03/75 Rev. 1 : Auteur(s): L.V. Shcherbich (Russia)
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Detection of growth zones in the eyestalk of the Antarctic krill Euphausia superba (Dana, 1852) (Euphausiacea)
Abstract: No reliable measures of age currently exist in the Antarctic krill, Euphausia superba ... the number of zones and body length. Further knowledge about molting process in the Antarctic krill ... growth zones can be definitely established as an indicator of age. The detection of growth zones in the ... and A.-L. Agnalt Title: Detection of growth zones in the eyestalk of the Antarctic krill Euphausia ...
Meeting Document : WG-EMM-16/P02 : Auteur(s): B.A. Krafft, M. Kvalsund, G. Søvik, E. Farestveit and A.-L. Agnalt
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On the very high likelihood of bycatch of ice krill (Euphausia crystallorophias) in the present-day fishery for Antarctic krill (E. superba)
fishery operates in geographic areas that overlap with the known range of Ice krill, that Ice krill and ... -certification. In the absence of any data, or clear statement, on Ice krill bycatch, it is difficult to ... consideration be given to the possibility of under-recording of bycatch of Ice krill in the Antarctic krill ... Title: On the very high likelihood of bycatch of ice krill (Euphausia crystallorophias) in the present ...
Meeting Document : WG-EMM-18/05 : Auteur(s): A.S. Brierley and R. Proud
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A simulation study of the method of refining the natural mortality coefficient with Champsocephalus gunnari in Subarea 48.3 used as an example
shown that the proposed method facilitates such a refinement. When a mistake is made in the choice of ... natural mortality coefficient, the estimate of the free component in the equation will be other than zero ... study of the method of refining the natural mortality coefficient with Champsocephalus gunnari in ... the free component of the regression equation between the mean-weighted coefficient of natural ...
Meeting Document : WG-FSA-91/25 : Auteur(s): P.S. Gasiukov and R.S. Dorovskikh (USSR)
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Robust characterisation of the age structure, growth and recruitment of toothfish in the Macquarie Island and Heard Island and McDonald Islands fisheries
, as well as allowing more precise estimates of the selectivity of the different fishing gears used in ... . Hutchins Title: Robust characterisation of the age structure, growth and recruitment of toothfish in the ... , collected during the 2000-2011 fishing seasons in Division 58.5.2 and outside the CCAMLR area at Macquarie ... Island were processed. The inclusion of these datasets have improved the estimates of key parameters ...
Meeting Document : WG-FSA-12/P07 : Auteur(s): D.C. Welsford, S.G. Candy, J.J. Verdouw and J.J. Hutchins