Résultats de la recherche
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Preliminary assessment of Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002
classes (ages 2 and 3) are likely to be much weaker than the current juvenile year classes (ages 4 to 8 ... is expected to be undertaken at the Working Group on Fish Stock Assessment, including projections for ... the remainder of the season. Thus, a revision of the assessment provided here is expected to be needed ... estimates is expected to be around 2 910 tonnes for 2002/2003 CCAMLR season. This result is slightly greater ...
Meeting Document : WG-FSA-02/70 : Auteur(s): A.J. Constable, R. Williams and T. Lamb (Australia)
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Reassessment of important population parameters for Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on time series of surveys and fishery data
, may be much greater than older fish. This may need to be taken account of in the assessment process ... the Heard Island region. Clearly, a longer time series of data will be useful to better estimate ... recruits and natural mortality. A question to be addressed is the extent to which these stocks are ...
Meeting Document : WG-FSA-01/73 : Auteur(s): A.J. Constable, R. Williams, T. Lamb, I.R. Ball and E. van Wijk (Australia)
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SOUTHERN OCEAN SENTINEL: REPORT OF THE FIRST INTERNATIONAL WORKSHOP IN 2009
presentations. A report of the workshop will be submitted to the Scientific Committee for its considerations in ... workshop is that it should be possible to identify indicators of climate change impacts in the Southern ... Ocean that these could be used as early warning indicators of future change in both the Southern Ocean ... and elsewhere in the world. Importantly for CCAMLR, work in designing such a system should be ...
Meeting Document : WG-EMM-09/37 : Auteur(s): A.J. Constable
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SEABIRD: DRAFT USER MANUAL V1.00-2008/06/18
stage (e.g., immature or mature), sex, or behaviour (e.g., in any year mature birds may be classified as ... breeders or non-breeders). Interactions with fisheries can be modelled and the user can choose the sequence ... of events in a model year. A wide variety of types of data can be used. Estimation can be by maximum ...
Meeting Document : WG-SAM-08/P03 : Auteur(s): D. Fu and R.I.C.C. Francis (New Zealand)
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Acoustic discrimination of southern ocean zooplankton
copepod Rhincalanus gigas. Instrumentation on the nets allowed their trajectories to be reconstructed ... precisely, and thus catch data to be related directly to the corresponding acoustic signals. Discriminant ... be discriminated once information on target distribution was considered, highlighting the value of ... discriminate acoustically between zooplankton taxa could usefully be applied to provide improved acoustic ...
Meeting Document : WG-EMM-97/54 : Auteur(s): Watkins, J.L., Brierley, A.S., Goss, C., Ward, P.
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Towards an assessment of the stock of the ommastrephid squid Martialia hyadesi in the Scotia Sea: data from predators
exploitation of the sub-Antarctic ommastrephid species Martialia hyadesi will be attempted in the future. This ... be estimated but it may be relatively small unless they primarily consume post-spawning, moribund ... squid. At least for the albatrosses and southern elephant seal this does not appear to be the case ...
Meeting Document : SC-CAMLR-IX/BG/13 : Auteur(s): Delegation of United Kingdom
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A descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in the Ross Sea up to 2005/06
. However, recapture rates have tended to be higher in the northern and eastern SSRUs 88.1C and 88.2E. About ... 20% of the recaptures could not be matched to a release observation, mainly because of missing ... release data. It is recommended that all outstanding release and recapture data be provided to the ... Secretariat as soon as possible so that the analysis can be updated in time for the 2006 WG-FSA meeting ...
Meeting Document : WG-FSA-SAM-06/09 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)
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How similar are CEMP indices from adjacent locations? A case of study using Pygoscelis adeliae and P. papua monitoring data from three breeding colonies on King George Island
Monitoring Program (CEMP) site? Answering this question is key to understanding how CEMP data could be used ... monitoring effort may be useful. Toward this goal, we investigated data sets from two Pygoscelid penguin ... the need for CEMP monitoring to be distributed widely to encapsulate population responses to changing ... environments and fishing activity. Within a broad network of CEMP monitoring, it may also be useful to have ...
Meeting Document : WG-EMM-14/43 : Auteur(s): M.M. Santos (Argentina), M. Korczak-Abshire (Poland), M.A. Juáres (Argentina), W.Z. Trivelpiece and J.T. Hinke (USA)
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Technical note on the sampling procedures of the Saga Sea
that a Norwegian-flagged vessel, “Saga Sea” would be fishing for krill in the 2005/06 fishing season ... using modified gear and trawl system. The Committee agreed that this new technology would not be ... Institute of Marine Research (IMR) and the UK’s Marine Resources Assessment Group and will be implemented ...
Meeting Document : WG-EMM-06/18 : Auteur(s): J. Hooper (United Kingdom), T. Knutsen (Norway), D. Agnew (United Kingdom) and S.A. Iversen (Norway)
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Extension to the krill-predator modelling exercise
krill harvesting is found to be strongly dependent on the estimate of the maximum annual growth rate (R ... slightly more than 0.1 would be required to reduce the seal population to half its pre-exploitation level ... -related mortality effects from overall survival rate data before they can be taken further. Author(s ...
Meeting Document : WG-EMM-96/67 : Auteur(s): Thomson, R.B., Butterworth, D.S.