Resultados de la búsqueda
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2013–14
12 years with a slight decline in the past two years. Length frequency distributions of Antarctic ... of the fishery – the reason for this is unclear. There has been a slight reduction in mean age in ... recommended that additional otolith readings for this area are given a high priority. There was a marked ... , S. Hanchet, S. Mormede and A. Dunn (New Zealand) Title: A characterisation of the toothfish fishery ...
Meeting Document : WG-FSA-14/52 : Autor(es): M. Stevenson, S. Hanchet, S. Mormede and A. Dunn (New Zealand)
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The winter pack-ice zone provides a sheltered but food-poor habitat for larval Antarctic krill
Abstract: A dominant Antarctic ecological paradigm suggests that winter sea ice is generally the ... is a food-poor habitat for larval development. In contrast, the more open marginal ice zone provides ... a more favourable food environment for high larval krill growth rates. We found that complex under ... previously fed. Model analyses indicate that this behaviour increases both food uptake in a patchy food ...
Meeting Document : WG-EMM-18/P04 : Autor(es): B. Meyer, U. Freier, V. Grimm, J. Groeneveld, B.P.V. Hunt, S. Kerwath, R. King, C. Klaas, E. Pakhomov, K.M. Meiners, J. Melbourne-Thomas, E.J. Murphy, S.E. Thorpe, S. Stammerjohn, D. Wolf-Gladrow, L. Auerswald, A. Götz, L. Halbach, S. Jarman, S. Kawaguchi, T. Krumpen, G. Nehrke, R. Ricker, M. Sumner, M. Teschke, R. Trebilco and N.I. Yilmaz
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CCAMLR ecosystem monitoring and a feedback management procedure for krill
Abstract: The CCAMLR Ecosystem Monitoring Programme has been developing a techniques-which might ... Programme might be incorporated into a feedback management strategy for this fishery. Author(s): A ... . Constable (Australia) Title: CCAMLR ecosystem monitoring and a feedback management procedure for krill ...
Meeting Document : WG-KRILL/CEMP-92/04 : Autor(es): A. Constable (Australia)
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Preliminary assessment of long-term yield of Patagonian toothfish (Dissostichus eleginoides) for the Heard Island region (CCAMLR Division 58.5.2) based on a random stratified trawl survey in June 2005
Abstract: A survey of Patagonian toothfish, Dissostichus eleginoides,was undertaken in Division ... -term annual yield in the 2005/2006 CCAMLR season. This paper provides a preliminary assessment of yield ... growth parameters, including the use of a length-at-age vector, (iii) consideration of a vulnerability ... Division 58.5.2) based on a random stratified trawl survey in June 2005 Approval: Approved ...
Meeting Document : WG-FSA-05/30 : Autor(es): A.J. Constable, T. Lamb and R. Williams (Australia)
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A circumpolar pelagic regionalisation of the Southern Ocean
Abstract: This short note describes a circumpolar, pelagic regionalisation of the Southern Ocean ... south of 40°S, based on sea surface temperature, depth, and sea ice information. The results show a ... results from the Ross Sea (Sharp et al. 2010).This short note describes a circumpolar, pelagic ... information. The results show a series of latitudinal bands in open ocean areas, consistent with the oceanic ...
Meeting Document : WS-MPA-11/06 : Autor(es): B. Raymond (Australia)
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By-catch of fish during a 1995/96 deep-sea longline experimental fishing cruise off the Kerguelen Islands (Division 58.5.1)
1996. The by-catch has been identified with 10 species of fish reaching a important part (36,1%) of the ... Bathyraja irrasa are the dominant species in the by-catch. The morid Antimora rostrata is also a common by ... grenadiers and the skates, have a commercial potentiality if a deep-sea fishery occurs in the future. Author ... (s): Pruvost, P., Duhamel, G. Title: By-catch of fish during a 1995/96 deep-sea longline ...
Meeting Document : WG-FSA-96/36 : Autor(es): Pruvost, P., Duhamel, G.
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A brief exploitation of the stone crab Lithodes murrayi (Henderson) off south west Africa, 1979/80
. The species is largely confined to a bathymetric corridor of 500–700 m off South West Africa. Prior to ... commercial fishing, there was a densely populated region between 24°00'S and 24°40'S, although the ... crabs were present in small numbers over a much larger area. Over 90 per cent of the fishing effort was ... virtually constant. Some morphometric relationships and a factor for converting processed crab section mass ...
Meeting Document : WS-CRAB-93/21 : Autor(es): R. Melville-Smith (South Africa)
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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
. 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 ... . A bias in the estimate can be positive if the assumed natural mortality coefficient is less than the ... the "true" one Author(s): P.S. Gasiukov and R.S. Dorovskikh (USSR) Title: A simulation ...
Meeting Document : WG-FSA-91/25 : Autor(es): P.S. Gasiukov and R.S. Dorovskikh (USSR)
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A bathymetric data framework for conservation in the Ross Sea region
provide a transparent and citable method to derive standard summary statistics for use by CCAMLR. This is ... bathymetric data, created a spatial database, and have developed scripts for defining polygons of user ... . As data sources improve, this process can update the summary statistics as needed in a comparable and ... transparent manner. Author(s): S.J. Parker, B. Wood, S.M. Hanchet and A. Dunn (New Zealand) Title: A ...
Meeting Document : WG-SAM-10/18 : Autor(es): S.J. Parker, B. Wood, S.M. Hanchet and A. Dunn (New Zealand)
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Proposal to modify Conservation Measure 24-02 regarding the use of a streamer line
: a) use a streamer line and b) control of the longline weighting rate. Currently, according to CM 24 ... paragraph 2,3 and 4). Thus, the use of a streamer line becomes meaningless for any vessels using longline ... use a streamer line. Author(s): Delegation of the Russian Federation Title: Proposal to modify ... Conservation Measure 24-02 regarding the use of a streamer line Microsoft Word File: sc-xxxvi-bg-23.doc ...
Meeting Document : SC-CAMLR-XXXVI/BG/23 : Autor(es): Delegation of the Russian Federation