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An acoustic survey of Antarctic krill on the South Georgia shelf, CCAMLR Subarea 48.3, in January 1992
Abstract: Acoustic surveys designed to assess krill abundance are costly in time and money, so ... the opportunity was taken in 1992 to produce a krill biomass estimate as a by-product of a fish stock ... Georgia. The appearances of echoes on echo charts were used to decide which echoes to include in krill ... ) echoes from larger scatterers. The data in the krill-size subset has been converted to density estimates ...
Meeting Document : WG-EMM-96/42 : Автор(ы): Everson, I., Goss, C.
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ASSESSMENT MODELS FOR ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA FOR THE YEARS 1997–98 TO 2008–09
model for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea (Subareas 88.1 and SSRUs 88.2A–B ... adequate, and, as in previous assessments, the tag-release and recapture data provided the most information ... -convergence in the key biomass parameters, although there was some evidence of non-convergence in the annual ... : ASSESSMENT MODELS FOR ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA FOR THE YEARS 1997–98 TO ...
Meeting Document : WG-FSA-09/40 Rev. 1 : Автор(ы): A. Dunn and S.M. Hanchet (New Zealand)
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CLASSIFICATION GUIDE FOR POTENTIALLY VULNERABLE INVERTEBRATE TAXA IN THE ROSS SEA LONG-LINE FISHERY
Abstract: Conservation Measure 22-06, in the absence of site-specific or other conservation ... to be taken when evidence of a Vulnerable Marine Ecosystem (VME) is encountered in the course of ... -deck guide to aid in the classification of invertebrate bycatch into the appropriate groupings. The ... for other taxa. It is printed as an A2 waterproof poster for display in the vessel factory or on deck ...
Meeting Document : WG-FSA-08/19 : Автор(ы): S. Parker, D. Tracey, E. Mackay, S. Mills, P. Marriott, O. Anderson, K. Schnabel, D. Bowden and M. Kelly (New Zealand)
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Interannual variability of standardised index of krill abundance in Area 48 according to CCAMLR fishery statistics database
CPUE in Subareas 48.1-48.3 and SSMUs did not correspond to the dynamics of krill density and biomass ... part of krill biomass rather than the total krill biomass in the area. The high variability and ... krill distribution in Area 48. The long-term fishery management in Area 48 will be required new ... of krill abundance in Area 48 according to CCAMLR fishery statistics database Approval: Approved ...
Meeting Document : WG-EMM-10/17 : Автор(ы): P.S. Gasyukov and S.M. Kasatkina (Russia)
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Demersal fish communities in the Ross Sea region of Antarctica: comparisons between video and trawl survey methods
. Using data collected during a survey of demersal fish communities in the Ross Sea region of Antarctica ... times less abundant in the demersal trawl than the video data but more large individuals were sampled by ... result from size-specific depth preferences in Macrourus spp. and conclude that video and trawl methods ... provide complementary information and if used together could be effective in routine assessments of ...
Meeting Document : WG-FSA-12/51 : Автор(ы): D.A. Bowden, S.M. Hanchet and P.M. Marriott (New Zealand)
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Report of the UK groundfish survey at South Georgia (CCAMLR Subarea 48.3) in January 2015
Abstract: In January 2015 the UK undertook a bottom trawl survey of CCAMLR sub-Area 48.3 on the ... differences between area strata were evident. In the South West region the amphipod Themisto gaudichaudii was ... in the South East. Catches of juvenile Dissostichus eleginoides were dominated by fish of 43-48cm (TL ... three times higher than that obtained in 2013. HD camera footage was obtained from a headline mounted ...
Meeting Document : WG-FSA-15/30 : Автор(ы): M. Belchier, S. Gregory, N. Fallon, J. McKenna, S. Hill, M. Soffker (United Kingdom), P. Lafite (South Africa) and L. Featherstone (United Kingdom)
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Candidate baseline data for ecosystem indicators in the Ross Sea region. Part B: Discussion of the data
characterize the status of the marine ecosystem in the Ross Sea region. These baselines provide benchmarks from ... which to assess change and evaluate the performance of the MPA. Here, and in an accompanying working ... paper (SC-CAMLR-XXXVII/11), we suggest candidate baseline data for seven indicator species listed in the ... . crystallorophias), and larval and juvenile Antarctic silverfish (Pleuragramma antarcticum) in the RSRMPA; zone ...
Meeting Document : SC-CAMLR-XXXVII/BG/13 : Автор(ы): Delegation of the USA
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Fatty acids composition of spiny icefish Chaenodraco wilsoni in the Bransfield Strait and its implication to local food availability
to the high-Antarctic of the Southern Ocean, including the Bransfield Strait. The water mass in the ... Strait is complex, with warm, low-salinity surface waters found in the western and northern BS and colder ... monounsaturated fatty acids (MUFAs), and eight polyunsaturated fatty acids (PUFAs). The significant difference in ... (TBW) and the Transitional Zonal Water with Weddell Sea influence (TWW) in the Bransfield Strait. C ...
Meeting Document : WG-FSA-18/76 : Автор(ы): Q.Y. Yang, G.P. Zhu and K. Reid
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A LARGE-SCALE SURVEY OF ADÉLIE PENGUIN BREEDING DISTRIBUTION IN EAST ANTARCTICA
across the Australian Antarctic Territory in east Antarctica found that approximately half of the species ... current breeding distribution, it is not possible to reliably assess possible future change in breeding ... sites, increasing the number of known breeding sites in the survey region by 42% from 104 to 148. Author ... BREEDING DISTRIBUTION IN EAST ANTARCTICA Approval: Approved ...
Meeting Document : WG-EMM-11/34 : Автор(ы): C. Southwell and L. Emmerson (Australia)
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Revised selectivities for Dissostichus eleginoides taken by longliners in Subarea 48.3
selectivities for the years 1995 – 2000 for input to the GYM assessment. In this paper, I propose a revised ... method for estimating the selectivities based on an assumption that the proportions of the total CPUE in ... an area for a particular length class that are taken in different depth zones are Beta-distributed ... for Dissostichus eleginoides taken by longliners in Subarea 48.3 Approval: Approved ...
Meeting Document : WG-FSA-02/64 : Автор(ы): G.P. Kirkwood (United Kingdom)
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