Résultats de la recherche
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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
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AERIAL SURVEYS OF WEDDELL SEALS DURING 2007-08, WITH NOTES ON THE HISTORY OF AERIAL CENSUSES IN THE ROSS SEA AND RECOMMENDATIONS FOR CONTINUED COUNT EFFORT
, in November 2007, and summarize historical results of aerial surveys made along the coast of Victoria ... place under CCAMLR with respect to the Ross Sea toothfish fishery. In a previous paper submitted to EMM ... Weddell seals along the Victoria Land coast. That area would be important to monitor changes in ... distribution and abundance, as seals from all the colonies along that coast likely forage in CCAMLR SSRUs 88.1H ...
Meeting Document : WG-EMM-08/23 : Auteur(s): D. Siniff and D. Ainley (USA)
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Long-term study of the at-sea distribution of seabirds and marine mammals in the Scotia Sea, Antarctica
-term study of the at-sea distribution of seabirds and marine mammals in the Scotia Sea, Antarctica ... Abstract: This paper presents the results of at-sea monitoring of seabirds and cetaceans over ... five summer seasons, 2010 to 2014, at the Scotia Sea, Antarctica, covering a total of 1463 nautical ... encounter rate in the five years (0.29 ± 1.57 whale/nautical mile), followed by Humpback whale (0.09 ± 0.54 ...
Meeting Document : WG-EMM-14/06 Rev. 1 : Auteur(s): J.L. Orgeira, M. Alderete, Y.G. Jiménez and J.C. González (Argentina)
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Some aspects of the relation between Antarctic krill abundance and CPUE measures in the Japanese krill fishery. (Component of SC-CAMLR-VI/BG/4)
time data may be needed to assess the density of swarms in a concentration, but may be difficult to ... record in practice, and a number of other factors may complicate any analysis. The possibility of ... abundance and CPUE measures in the Japanese krill fishery. (Component of SC-CAMLR-VI/BG/4) Approval ... Abstract: The history of the Japanese krill fishery is reviewed briefly. Important aspects of the ...
Meeting Document : WS-KCPUE-89/03 : Auteur(s): D.S. Butterworth (South Africa)
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Some properties of diagnostics of GLMM model tuning for standardising CPUE indices in the Area 48 using the CCAMLR fishery statistics database
Abstract: The data of krill fishery in Subarea 48 for 1986 – 2008 presented to CAMLR database by ... Tweedie’s distribution satisfactorily describes the set of data collected in Subareas 48.1, 48.2 and 48.3 ... of krill hauls in the CAMLR database for 1986 – 2008. It was shown that extremely high CPUE values ... » outliers by different fleets (countries) in the Subareas 48.1-48.3 were analyzed. The procedures of CPUE ...
Meeting Document : WG-EMM-11/44 : Auteur(s): P. Gasyukov and S. Kasatkina (Russia)