Search results
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Analysis of the krill fishery in Subarea 48.1 considering trawl fishing method used (2010–2016)
in subarea 48.1 by years and small-scale management units, including inter-annual, monthly and inter-vessel ... by years and small-scale management units, including inter-annual, monthly and inter-vessel variability ...
Meeting Document : WG-EMM-17/27 : Author(s): S. Kasatkina S. and L. Boronina
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A summary of the commercial fishery for mackerel icefish Champsocephalus gunnari in Subarea 48.3 during the 1997/98 season
Abstract: During the 1 997198 season, one vessel, Chilean registered stern trawler Betanzos ... hauls. 67% of this catch was taken in just two hauls, confirming the patchy distribution of this species ... . Most of the catch was made up of fish between 22 and 30 cm long. Fish of this size range have ... previously been shown to be ages two and three. The catch of species other than C. gunnari amounted to only ...
Meeting Document : WG-FSA-98/53 : Author(s): G. Parkes, A. King and C. Jones (United Kingdom)
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Seabird interactions with long-lining operations during an exploratory fishing cruise for Dissostichus eleginoides to South Sandwich Islands, Antarctica
present during day hauling operations. No incidental mortality was seen and only one bird was caught ... during day hauling operations. No incidental mortality was seen and only one bird was caught on a hook ...
Meeting Document : SC-CAMLR-XII/BG/08 Rev. 1 : Author(s): Delegations of United Kingdom and Chile
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An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging program in Subareas 88.1 and 88.2 for 2006/07
of the Ross Sea, after 4 years at liberty. Analysis of tag recapture rates suggested some evidence that rates ... , a Patagonian toothfish tagged near Macquarie Island was recaptured in the north of the Ross Sea, after 4 years ...
Meeting Document : WG-FSA-07/40 : Author(s): A. Dunn, S.M. Hanchet and S.L. Ballara (New Zealand)
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Population numbers of fur seals at Prince Edward Island, Southern Ocean
for Prince Edward Island (46°38´S, 37°57´E). Two breeding colonies of Antarctic fur seals were located ... intrinsic rate of natural increase of 13.7% per year, Antarctic fur seals appear to be in the rapid ... rate of natural increase of some 9.5% per year since 1987/88. Author(s): M.N. Bester, P.G. Ryan ... Island (46°38´S, 37°57´E). Two breeding colonies of Antarctic fur seals were located on the south-east ...
Meeting Document : WG-EMM-03/18 : Author(s): M.N. Bester, P.G. Ryan and B.M. Dyer (South Africa)
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Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia
. The uneven distribution of animals was simulated by adjusting an average movement rate downwards when animals ... . The model incorporates the facility for releases by box over a number of years. The model performed ... the magnitude of the estimated bias to correct the tagging estimate made last year for 48.3, we do conclude ... of animals was simulated by adjusting an average movement rate downwards when animals encountered a high CPUE ...
Meeting Document : WG-FSA-SAM-05/6 Rev. 1 : Author(s): D.J. Agnew, G.P. Kirkwood, J. Pearce and J. Clark (United Kingdom)
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Estimation of size at maturity and calculation of an appropriate size limit for male Paralomis formosa
maturity and calculation of an appropriate size limit for male Paralomis formosa Approval: Approved ... Abstract: A number of weighted smoothing splines were fit to data on carapace length and size ... tradeoff between goodness of fit and smoothness was used as an estimate morphometric size at maturity ... range of alternative size limits are likely to be feasible options for managing the P. formosa fishery ...
Meeting Document : WG-FSA-96/35 : Author(s): Watters, G.
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Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf
2004, the highest catches have been taken consistently from SSRU 881H, and in the past two years ... longline survey to monitor this part of the population. Résumé Cet article résume les connaissances sur ... 88.1 and 88.2 for all years up to, and includ- ing, the 2007/08 fishing year. The observer data used ... and 88.2 for all years up to, and including, the 2007/08 fishing year. Data error checking and grooming ... , with some evidence for an ontogenetic migration from east to west as they grow. From the fisheries data ... Paper Title: Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on ... relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf (defined here as the ... continental shelf out to the edge of the shelf break at about 600–800 m depth). The focus is on D. mawsoni ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 33–51 : Author(s): Hanchet, S.M., S. Mormede and A. Dunn
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Fishing equipment, marine debris and hydrocarbon soiling associated with seabirds at Bird Island, South Georgia, 2004/05
such annual report. As in previous years, more items of fishing gear (mostly longlining gear) were found ... significantly over the past two seasons. Entanglements continue to be observed, hooks being typical of those ... of marine debris, though again total quantity is significantly down on previous years. Numbers of debris ... report. As in previous years, more items of fishing gear (mostly longlining gear) were found ...
Meeting Document : SC-CAMLR-XXIV/BG/14 : Author(s): Delegation of the United Kingdom
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Population genetic structure of Patagonian toothfish in the West Indian Ocean sector of the Southern Ocean
(n = 2) Islands were typed using two fragments of mitochondrial DNA (mtDNA) and seven nuclear microsatellite loci ... using two fragments of mitochondrial DNA (mtDNA) and seven nuclear microsatellite loci. MtDNA haplotype ... ) Crozet Islands Crozet 2 December 2001 60 732.20 (18.61) Kerguelen Islands Kerguelen 9 December 2001 30 ... using two fragments of mitochondrial DNA (mtDNA) and seven nuclear microsatellite loci. MtDNA haplotype ... the start of commercial exploitation, approximately 17 years ago, within the area of application of CCAMLR ... ). These fi sh had been at liberty for 0.7 to 3.8 years, demonstrating that under some circumstances ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 21–32 : Author(s): Appleyard, S.A., R. Williams and R.D. Ward