Résultats de la recherche
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Estimating toothfish biomass in Subarea 48.3 using local depletions
of 12’ by 12’ where there had been forty or more hauls in any particular year. There were 62 ... CPUE over the four years and multiplying by the total fishable area in Subarea 48.3 we arrived at an ... individual vessel fishing events in these areas over this period, 40 of which appeared to be depletions ... . Applying a Leslie method we derived toothfish densities in these areas which were linearly correlated with ...
Meeting Document : WG-FSA-SAM-04/18 : Auteur(s): Pearce, J., Agnew, D.
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Report on recent French catches of sea pens (Pennatulacea) in Lena Bank (CCAMLR sector 58.4.4b)
Abstract: Important catches of sea pens (Pennatulacea, NTW) in the 58.4.4b sector (Lena bank ... ) have been reported during the CCAMLR SAM Working Group 2018 (see WG-SAM-18/31 "Annual report of ... research fishing operations at Division 58.4.4b in 2016/17 fishing season" by Japanese and French ... : Report on recent French catches of sea pens (Pennatulacea) in Lena Bank (CCAMLR sector 58.4.4b) Approval ...
Meeting Document : WG-FSA-18/23 : Auteur(s): A. Martin, J. Blettery and M. Eléaume
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Educational observer on board fishing vessels in Brazil
Abstract: We inquired several social aspects of two Brazilian crews working in pelagic longline ... fisheries. Settings were made in southeast Brazilian waters between May and August 2004. Daily working ... schedules, habits, as well as leisure habits while onboard were observed and registered. A query was made in ... chances of having mitigation measures applied instinctively onboard in areas where no legislation ...
Meeting Document : SC-CAMLR-XXV/BG/20 : Auteur(s): Delegation of Brazil
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Observer coverage in CCAMLR krill fisheries from 2011 to 2015
past five years comparing the number of days of fishing conducted by vessels in the krill fleet, with ... Abstract: The issue of observer coverage in krill fisheries has been the subject of extensive ... : Observer coverage in CCAMLR krill fisheries from 2011 to 2015 Approval: Approved Secretariat Workflow ... discussion at the Commission for a number of years, as the krill fishery is the only CCAMLR fishery that does ...
Meeting Document : WG-EMM-16/11 : Auteur(s): CCAMLR Secretariat
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Development of the krill stock in the elephant island region during the 1996/97 season
preceeding year-class. In December 1996 adult krill was mostly (68 %) found to be in the prespawning stage ... , indicating an average year for krill reprodution in this area, which is not the optimum starting point for a ... was much higher than in previous years. The krill stock was dominated by length classes around 35 mm ... one order of magnitude lower than in the salp bloom years 1992/93 and 1993/94. Author(s): Siegel, V ...
Meeting Document : WG-EMM-97/16 : Auteur(s): Siegel, V.
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Characterisation of the Antarctic polar frontal zone to the north of South Georgia in summer 1994
the northern edge of the Antarctic Circumpolar Current (ACC). In a number of areas the position of the ... also been implicated in the movement and retention of various associated mesoscale features. In this ... first. Associated with the PF was a narrow, high-speed flow embedded in broader, slower moving regions ... 30 days suggested that the surface expression of the PF had shifted southward by approximately 35 km ...
Meeting Document : WG-EMM-97/40 : Auteur(s): Brandon, M.A., Trathan, P.N., Murphy, E.J.
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Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Bird Island, South Georgia during the 1997 winter and 1997/98 pup-rearing season
were from adult females, a much higher proportion than in previous years. The number of entanglements ... entanglements in packaging bands was higher than recent years in both summer and winter. Only one seal sustained ... . Only seven seals were observed entangled in the winter, a drop of 59% from 1996. Four of these records ... in the summer was the lowest recorded to date, being 52% lower than in 1996/97. The percentage of ...
Meeting Document : SC-CAMLR-XVII/BG/11 : Auteur(s): Delegation of the United Kingdom
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Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons
, dominated in recent years by the 1987 year class (1 year olds in 1988), was quite robust, despite the use of ... Falklands Protector in January 1992. Breakdown in the credibility of the VPA results in most recent years is ... . gunnari population in Subarea 48.3 at WG-FSA-91 using VPA, attempts were made to re-work the analysis ... various combinations of survey and cpue indices for tuning. According to the VPA the population in 1991/92 ...
Meeting Document : WG-FSA-92/27 : Auteur(s): G. Parkes (United Kingdom)
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DEVELOPMENT OF RECOVERY PLANS FOR DEPLETED TOOTHFISH STOCKS IN THE INDIAN OCEAN SECTOR OF THE SOUTHERN OCEAN
years and then two years later. The surveys should have only low catches in order to not impede recovery ... . The surveys should involve a mark-recapture program, estimation of catch rates in the main grounds for ... and J.P. McKinlay (Australia) Title: DEVELOPMENT OF RECOVERY PLANS FOR DEPLETED TOOTHFISH STOCKS IN ... trajectories indicate it is likely that it will be at least 5 years before it is sufficiently low risk to ...
Meeting Document : WG-FSA-09/44 : Auteur(s): D.C. Welsford, A.J. Constable and J.P. McKinlay (Australia)
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Antarctic krill, Euphausia superba Dana, demography studies in the seas of Sodruzhestvo and Cosmonauts (Indian Ocean sector of Antarctica)
of Sodruzhestvo. E.superba growth rate ranges from 0.126- 0.133 mm per day in the first year 0f life ... to 0.028-0.041 mm per day in the fifth year under condition that E.superba grows 180 days per year ... , duration of E.superba life cycle somewhat exceeds 5 years in the Sea of Cosmonauts and 6 years in the Sea ... Abstract: The materials on Euphausia superba biological state and size composition in the Indian ...
Meeting Document : WG-KRILL-93/45 : Auteur(s): E.A. Pakhomov (Ukraine)