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Midwater trawl catchability regarding quantitative estimation of krill biomass using the method of trawling surveys on abundance
distributional pattern in the surveyed area enable to increase reliability of the biomass estimates. Comparative ... taken as an example, proved the latters not to be suitable for krill biomass estimation using method of ... trawling surveys on abundance. Small research trawls were found to have high catchability variations in the ... surveyed ground and the biomass estimates were characterized by high relative error. Standard methods of ...
Meeting Document : WG-KRILL-91/32 : Автор(ы): S.M. Kasatkina (USSR)
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VPA as one of the approaches for settling a problem of Patagonian toothfish, Dissostichus eleginoides, population quantity (Subarea 48.3, South Georgia)
1984 to 1994 revealed that at a level of M = 14, the mean value of F is 0.148, while the toothfish ... calculations of F by adjusting the catch database and using variable parameters of natural mortality and mean ... Abstract: In order to avoid several problems associated with assessing the D. eleginoides stock ... in Subarea 48.3, it has been proposed to use the FAO programme ANACO (Mesnil, 1989) which allows one ...
Meeting Document : WG-FSA-95/14 : Автор(ы): Shlyakhov, V.A.
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A generalised model for evaluating yield and the long term status of fish stocks under conditions of uncertainty
flexibility for assessing the influence of different patterns of growth, natural mortality, spawning and ... fishing on the estimates of yield per recruit. Also, it can be used to evaluate the performance of a stock ... each year by integrating a set of differential equations which incorporate functions that specify the ... seasonal patterns in fishing mortality, at specified time intervals during the year. This general approach ...
Meeting Document : WG-FSA-95/41 : Автор(ы): de la Mare, W.K., Constable, A.J.
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A RE-APPRAISAL OF THE TOTAL BIOMASS AND ANNUAL PRODUCTION OF ANTARCTIC KRILL
the total stock, with total biomass of ~133 Mt in January-February 2000. Gross postlarval production ... revisions in acoustics have made it possible to refine previous estimates. Net-based databases of density ... abundance has fluctuated. To estimate krill biomass at the end of last century we combined the KRILLBASE map ... of relative krill density around Antarctica with the most recent, acoustics-derived, value for the ...
Meeting Document : WG-EMM-08/17 : Автор(ы): A. Atkinson (United Kingdom), V. Siegel (Germany), E.A. Pakhomov (South Africa), M.J. Jessopp (United Kingdom) and V. Loeb (USA)
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CCAMLR Scheme of International Scientific Observation: review of the Scientific Observers Manual
Abstract: The rationale for the proposed main review of the Scientific Observer Manual and a ... Scheme of International Scientific Observation: review of the Scientific Observers Manual Approval ... report on intersessional work undertaken in 2004 are presented. Author(s): Secretariat Title: CCAMLR ...
Meeting Document : WG-FSA-04/16 : Автор(ы): Secretariat
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The use of heart rate to estimate oxygen consumption of free-ranging black-browed albatrosses Diomedia melanophrys
. Butler and I.L. Boyd (United Kingdom) Title: The use of heart rate to estimate oxygen consumption of ... Abstract: Published in J. exp. Biol. 000: 000-000 (1994) Author(s): R.M. Bevan, A.J. Woakes, P.J ...
Meeting Document : WG-CEMP-94/13 : Автор(ы): R.M. Bevan, A.J. Woakes, P.J. Butler and I.L. Boyd (United Kingdom)
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Finding of a tag on toothfish from the stomach of Dissostichus mawsoni
Abstract: In the stomachs of caught Dissostichus mawsoni, specimen of the Dissostichus species ... the stomach of Dissostichus mawsoni Approval: Approved Secretariat Workflow Status: Content Approved ... with tag found. Author(s): L. Pshenichnov and P. Zabroda Title: Finding of a tag on toothfish from ...
Meeting Document : WG-FSA-18/03 : Автор(ы): L. Pshenichnov and P. Zabroda
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Developing conceptual models of elements of the Antarctic marine ecosystem: Antarctic krill (Euphausia superba)
as an evolved product of interactions between the species and its environment. In particular, the ... S. Kawaguchi (Australia) Title: Developing conceptual models of elements of the Antarctic marine ... based on observations and data from the literature. The model attempts to take into account the observed ... model focuses on the different forces that act on the larval and adult stages. Author(s): S. Nicol and ...
Meeting Document : WG-EMM-04/50 : Автор(ы): S. Nicol and S. Kawaguchi (Australia)
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Effect of two natural repellents on the depredation of mackerel baits by white-chinned petrels (Procellaria aequinoctialis)
. We report preliminary testing of potential seabird deterrents in longline fisheries around the sub ... . Pierre (New Zealand) Title: Effect of two natural repellents on the depredation of mackerel baits by ... . Petrels readily consumed all untreated baits. However, there were significant differences among the six ...
Meeting Document : WG-FSA-07/18 : Автор(ы): N. Gasco (France) and J.P. Pierre (New Zealand)
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Report of scientific observations of commercial krill harvest aboard the Japanese stern trawler Chiyo Maru No. 5 2 August 2003–21 September 2003
, biological measurements of krill, product types, vessel and marine mammal observations are described in the ... CCAMLR Scientific Observers Manual. Summary of the fishing efforts, processing, fish by-catches ... report. The trawler made remain trips the west and north areas of South Georgia Island during observation ... . 5, from 4 August 2003 to 21 September 2003. The observation was essentially undertaken following the ...
Meeting Document : WG-EMM-04/42 : Автор(ы): T. Hayashi, M. Naganobu and K. Taki (Japan)
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