Résultats de la recherche
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The winter distribution of Adélie and chinstrap penguins from two breeding colonies in the South Shetland Islands of Antarctica
Abstract: Satellite telemetry was used to determine the winter movements and distributions of ... ). All five chinstrap penguins were tracked for a minimum of three months each, while one bird was ... that 4 of the 5 chinstrap penguins foraged largely on the shelf to the north and northeast of the South ... signal was lost just to the west of the South Sandwich Island group in late July, approximately 1300 km ...
Meeting Document : WG-EMM-02/55 : Auteur(s): S.G. Trivelpiece and W.Z. Trivelpiece (USA)
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Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000
Abstract: Inter- and intra-annual variability of commercial krill trawling positions for the 1980 ... /81 to 1999/2000 seasons in the area to the north of South Shetland Islands were analyzed in relation ... the shelf across to the outer shelf in the early to late 1990’s. Intra-annual variation of trawling ... the season. Trawling positions seemed to be primarily governed by the distribution of larger mature ...
Meeting Document : WG-EMM-01/35 : Auteur(s): S. Kawaguchi and K. Segawa
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Distribution, biological characteristics and biomass of mackerel icefish based on the results of the trawling survey carried out at RV Atlantida in February 2000
Abstract: The results of mackerel icefish (Champsocephalus gunnari) trawling survey carried out ... C.gunnari were feeding. In all parts of the Subarea, except the North-Western one, C. gunnari of 22-28 cm in ... coefficient. The objective evidences are submitted to prove that a certain part of C.gunnari stock may stay in ... . Arrangement of regular trawling-acoustic surveys in the area may improve the accuracy of this important ...
Meeting Document : WG-FSA-00/51 : Auteur(s): Zh.A. Frolkina and P.S. Gasiukov (Russia)
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DEVELOPMENT AND IMPLEMENTATION OF AN ACCREDITATION FRAMEWORK FOR PARTICIPATION IN THE CCAMLR SCHEME OF INTERNATIONAL SCIENTIFIFC OBSERVATION
consideration by the Scientific Committee. This paper outlines the roles and responsibilities of the Scientific ... Scientific Committee tasked it with the development of minimum standards to facilitate accreditation of ... -conveners outline the elements of an accreditation framework, and a workplan for it implementation, for ... -conveners of the ad hoc Technical Group for At- Title: DEVELOPMENT AND IMPLEMENTATION OF AN ACCREDITATION ...
Meeting Document : SC-CAMLR-XXVIII/BG/09 : Auteur(s): Co-conveners of the ad hoc Technical Group for At-
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Depletion experiment of Dissostichus eleginoides stock in the south of South Georgia Island (Antarctica)
Abstract: Ten hauling for Dissostichus eleginoides were performed from the 11lth to the 21 of ... April 1994, wich were related between them, when they contact within a circle of 10 nm of diameter ... projected to 3244.8 nm2, obtaining an estimated biomass of 937.8 ton. Due to statistical limitations of ... of Dissostichus eleginoides stock in the south of South Georgia Island (Antarctica) Approval ...
Meeting Document : WG-FSA-94/31 : Auteur(s): P. Rubilar, C.A. Moreno (Chile) and J. Ashford (United Kingdom)
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A system-of-equations approach to modeling age structured fish populations: the case of Alaskan red king crab, Paralithodes camtschaticus
Abstract: This paper presents a simultaneous system-of-equations approach to modeling age ... properties of a delay-difference model. The framework shares a common spawner-recruit function across age ... variable, lessening the effect of measurement errors in estimation. The dynamic features of the underlying ... effect of measurement error and improve overall estimation efficiency. A seemingly unrelated regression ...
Meeting Document : WS-CRAB-93/23 : Auteur(s): J.A. Greenberg, S.C. Matulich and R.C. Mittelhammer (USA)
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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
Abstract: The method of refining the natural mortality coefficient is based on the notion that ... the free component of the regression equation between the mean-weighted coefficient of natural ... . As a result of this mathematical modelling study using C. gunnari in Area 48.3 as an example, it was ... shown that the proposed method facilitates such a refinement. When a mistake is made in the choice of ...
Meeting Document : WG-FSA-91/25 : Auteur(s): P.S. Gasiukov and R.S. Dorovskikh (USSR)
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Review of Dissostichus spp. fishery in the adjacent seas of three Antarctic sectors in 2003–2010
of the Antarctic toothfish is commercially viable not only for countries which are close to the ... the Pacific and Indian sectors of the Antarctic. According to lack of data on the Antarctic toothfish ... estimation of toothfish stock and TAC values in all high-latitude Antarctic seas is necessary. From data ... available we suggest that factual stock values of the Antarctic toothfish are considerably underestimated in ...
Meeting Document : WG-FSA-13/14 : Auteur(s): A.F. Petrov (Russia)
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Continuation in the 2014/15 season of the research plan initiated in 2012/13 for stocks of Dissostichus spp. in Divisions 58.4.1 and 58.4.2
Divisions 58.4.1 and 58.4.2 in order to estimate local biomass of Dissostichus spp. by means of two methods ... preliminary estimates of local biomass using Leslie depletion analyses have been obtained. Some recoveries of ... with the age-growth study by otoliths reading will allow a robust stock assessment by the end of this ... multiyear research survey. Author(s): Delegation of Spain Title: Continuation in the 2014/15 season of the ...
Meeting Document : WG-SAM-14/09 : Auteur(s): Delegation of Spain
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Biology, population dynamics and preliminary assessment of the long-term yield of Macrourus caml by-caught by the Australian fishery at Heard Island and the McDonald Islands (CCAMLR Division 58.5.2)
Abstract: Grenadiers (Macrourus spp.) are a common by-catch of the Australian fisheries in ... in Division 58.5.2, and likely to one of the most common grenadier by-caught. Sufficient data was ... collected in the survey, and subsequent commercial longline operations, to enable an assessment of the long ... term sustainable yield of M. caml at HIMI using the Generalised Yield Model. On the basis of this ...
Meeting Document : WG-FSA-15/63 : Auteur(s): J. Dell, D. Maschette, E. Woodcock and D. Welsford (Australia)