Resultados de la búsqueda
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Estimation of the incidental capture of seabird species in commercial fisheries in New Zealand waters, 2000/01
Abstract: Ministry of Fisheries observers reported 1236 seabird captures from fishing operations ... novaezelandiae) trawl fisheries accounted for 94% of the 701 seabird captures in observed trawl fisheries ... . Observed incident rates in longline fisheries were highest in the ling longline fishery: 24% of observed ... ling autoline sets caught seabirds, compared with 6% of observed chartered tuna longline sets caught ...
Meeting Document : WG-FSA-04/55 : Autor(es): S.J. Baird (New Zealand)
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A possible model of metapopulation structure of Dissostichus eleginoides in the southern Indian Ocean
Abstract: Based on data on movements of Patagonian toothfish derived from tagging experiments and ... analysis of toothfish DNA from Heard Island and McDonald Islands (HIMI), Kerguelen, Crozet and Marion ... some or all of the subadult fish at HIMI migrate northwestwards to Kerguelen and Crozet. Larval fish ... spawned to the north-west of HIMI then return to HIMI in the Antarctic Circumpolar Current. If such a ...
Meeting Document : WG-FSA-03/72 : Autor(es): R. Williams, A.J. Constable, C. Davies and S. Candy (Australia)
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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 : Autor(es): 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 : Autor(es): 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
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 ... consideration by the Scientific Committee. This paper outlines the roles and responsibilities of the Scientific ... -conveners of the ad hoc Technical Group for At- Title: DEVELOPMENT AND IMPLEMENTATION OF AN ACCREDITATION ...
Meeting Document : SC-CAMLR-XXVIII/BG/09 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): Delegation of Spain