Résultats de la recherche
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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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): B. Raymond (Australia)
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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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): Delegation of the Russian Federation
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Developing a strategy for coordinated research leading to achievement of the CCAMLR objectives for Antarctic toothfish (D. mawsoni) in Area 48
the objectives of the Commission, across the whole of Area 48. Co-ordinated by WG-SAM and/or FSA, a ... objectives that allow proponents to design their proposals and provide a structure against which the research ... and results can be subsequently evaluated. A time schedule, in the form of a project plan with ... : Developing a strategy for coordinated research leading to achievement of the CCAMLR objectives for Antarctic ...
Meeting Document : WG-FSA-17/54 : Auteur(s): C. Darby and M. Söffker
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RESEARCH PLAN AND RESULTS OF PRELIMINARY OBSERVATION ABOUT THE POSSIBILITY OF ANTARCTIC KRILL ESCAPEMENT FROM A TRAWL NET
Abstract: We made a survey plan to observe krill escapement, attached an underwater video camera ... on a trawl net of a Japanese commercial trawler, and started observation to collect video images of ... AND RESULTS OF PRELIMINARY OBSERVATION ABOUT THE POSSIBILITY OF ANTARCTIC KRILL ESCAPEMENT FROM A ...
Meeting Document : WG-EMM-11/36 : Auteur(s): K. Fujita and S. Hasegawa (Japan)