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Information report on the age determination methods of toothfish Dissostichus spp.
Abstract: The document presents the experience of the age determination of toothfish of the genus ... Dissostichus by recording structures (otoliths). Sampling processing is carried out on the basis of annual data ... determination methods of toothfish Dissostichus spp. Approval: Approved Secretariat Workflow Status: Content ...
Meeting Document : WG-SAM-18/29 : Autor(es): I.V. Slypko and P.M. Zabroda
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Further investigations in the assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H for the years 2002–03 to 2012–13
Abstract: This paper presents further investigations of the Bayesian sex and age structured ... population stock assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 covering SSRUs ... the tag-derived biomass index were investigated. The impact of hypothesised stock structure, fish ... year once it has been updated with the 2014 fishery data. That ways to obtain a better estimate of the ...
Meeting Document : WG-SAM-14/29 : Autor(es): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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A critical issue for feedback management – how do we determine the level of functional overlap between krill fishing operations and penguin foraging activity?
Abstract: The spatial distribution of the Antarctic krill fishery in Subareas 48.1 to 48.3 has ... changed over time. The majority of catches in Subarea 48.1 are now taken south of the South Shetland ... Islands, following regional decreases in seasonal sea-ice cover. As the cumulative spatial footprint of ... the fishery has expanded along the West Antarctic Peninsula, the cumulative numbers of krill-eating ...
Meeting Document : WG-EMM-15/11 : Autor(es): P.N. Trathan, J.R.D. Silk, S.L. Hill (United Kingdom) and H.J. Lynch (USA)
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Size selectivity of the RMT8 plankton net and a commercial trawl for Antarctic krill
Abstract: Net selection of the scientific RMT8 plankton net and a commercial sized pelagic trawl ... underrepresented in the RMT8. For the commercial trawl with a liner mesh size of 12mm the length classes smaller 35 ... and 45 mm are undersampled, probably depending on the size composition of the catch. A preliminary ... study on krill damaged during trawling operations indicates an effect of trawling duration and total ...
Meeting Document : WG-EMM-07/28 : Autor(es): V. Siegel (Germany)
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By-catch of juvenile fishes – the Antarctic krill fishery
Abstract: One of the non-solved problems in krill exploitation has been the by-catch of fish ... larvae that use (or co-occurred) the krill swarms as their habitat. The detection of this problem started ... quantitative evaluations that give evidences that this technological interaction, is affecting the recovery of ... ): Moreno, C.A. Title: By-catch of juvenile fishes – the Antarctic krill fishery Approval: Approved ...
Meeting Document : WG-FSA-96/18 : Autor(es): Moreno, C.A.
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A hydroacoustic survey of Antarctic krill populations in CCAMLR Division 58.4.1
Abstract: The survey design for an integrated biological/physical survey of Division 58.4.1 ... include hydroacoustic determinations of krill distribution and abundance and physical oceanographic ... sampling along 18 regularly spaced transects from the Antarctic coastline to a distance of 180 n miles. The ... data on krill distribution and abundance will be submitted to CCAMLR for the purpose of setting a ...
Meeting Document : WG-EMM-95/43 : Autor(es): Nicol, S.
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Report of the CCAMLR Circumpolar Gap Analysis Marine Protected Areas (MPAs) Technical Workshop (Brussels, Belgium, 10 to 14 September 2012)
the aggregation of available data and the development of conservation objectives for the individual ... domains, which can be included in future systematic conservation planning processes. A total of 23 ... scientists participated in the workshop (locally and by teleconference). Author(s): Delegation of Belgium ... Title: Report of the CCAMLR Circumpolar Gap Analysis Marine Protected Areas (MPAs) Technical Workshop ...
Meeting Document : SC-CAMLR-XXXI/BG/16 : Autor(es): Delegation of Belgium
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Research program on resource potential and life cycle of Dissostichus species from the Subarea 88.2 A in 2015-2018
implementation of the previous research program took place in 2010-2012 fishing seasons and investigate resource ... potential and life cycle of Dissostichus species within the eastern part of the Ross Sea over shelf and ... continental slope within the Subarea 88.2 A. Author(s): Delegation of the Russian Federation Title: Research ... program on resource potential and life cycle of Dissostichus species from the Subarea 88.2 A in 2015-2018 ...
Meeting Document : WG-SAM-15/21 : Autor(es): Delegation of the Russian Federation
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Comments on the development of a Dissostichus mawsoni Population Hypothesis for Area 48. Proposals on the WS-SM-18 advice to the to the Scientific Committee and its Working Group
Abstract: Taking into account the results of the WS-DmPH workshop (Berlin, 2018), proposals are ... being considered to obtain actual adequate data for the development of a hypothesis on the Dissostichus ... mawsoni life history and to facilitate the assessment of its stock in Area 48. Author(s): Delegation of ... the Russian Federation Title: Comments on the development of a Dissostichus mawsoni Population ...
Meeting Document : WS-SM-18/09 : Autor(es): Delegation of the Russian Federation
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Estimating penguin populations using image analysis of colour aerial photography
Abstract: Penguin populations are potentially sensitive indicators of change in the Antarctic and ... colonies, for colonies in areas of complex terrain, or for colonies where ground access is difficult ... of a computer based image analysis of digitally scanned colour aerial photographs of macaroni penguin ... : Estimating penguin populations using image analysis of colour aerial photography Approval: Approved ...
Meeting Document : WG-EMM-02/34 Text : Autor(es): P.N. Trathan (United Kingdom)