Résultats de la recherche

1. A spatial multi-species operating model of the Antarctic Peninsula krill fishery and its impacts on land-breeding

   OCCAM model. This modelling framework provides an example of a method for bounding some of the ... envelopes rather than in point estimate form, giving a truer reflection of the uncertainty inherent in ... evaluating different spatial allocations of krill catches. An example is given of how such a framework can be ... used to develop a management scheme which includes feedback through management control rules. Author(s ...

   Meeting Document : WG-SAM-07/12 : Auteur(s): É.E. Plagányi and D.S. Butterworth (South Africa)

2. Preliminary assessment of mackerel icefish (Champsocephalus gunnari) for the Heard Island Plateau region (Division 58.5.2) based on a survey in June 2005

   Abstract:  A survey of Mackerel Icefish, Champsocephalus gunnari,was undertaken in Division 58.5.2 ... -term annual yield in the 2005/2006 CCAMLR season. This paper provides a preliminary assessment of yield ... using the assessment methods of CCAMLR. It is proposed that a one-year projection be used in the ... (Champsocephalus gunnari) for the Heard Island Plateau region (Division 58.5.2) based on a survey in June 2005 ...

   Meeting Document : WG-FSA-05/39 : Auteur(s): A.J. Constable, T. Lamb and R. Williams (Australia)

3. Fitting a von Bertalanffy growth model to length-at-age data accounting for length-dependent fishing selectivity and length-stratified sub-sampling of length frequency samples

   units are selected with a probability that is a function of the response. In sampling to obtain fish to ... process involving a particular gear, and (ii) the method of on-deck sub-sampling fish for ageing from the ... Patagonian toothfish (Dissostichus eleginoides) given a known selectivity function. Author(s):  S.G. Candy ... (Australia) Title:  Fitting a von Bertalanffy growth model to length-at-age data accounting for length ...

   Meeting Document : WG-FSA-SAM-05/13 : Auteur(s): S.G. Candy (Australia)

4. CCAMLR measures regulating the tagging of Dissostichus species, metrics used to assess vessel tagging performance, the potential for some anomalous results, and general recommendations on tagging; a view from the hauling room

   triggering the requirement to achieve a tag overlap statistic of 60% or more for upcoming season as specified ... that at low levels of tagging, equating to between 2 and 10 t of Dissostichus catch, there is a strong ... likelihood that a breach of the Measure would occur.  We make recommendations from a user perspective on ... potential for some anomalous results, and general recommendations on tagging; a view from the hauling room ...

   Meeting Document : WG-FSA-11/50 : Auteur(s): J.M. Fenaughty (New Zealand) and J. Brown (United Kingdom)

5. A TIME FOR ACTION IN THE MANAGEMENT OF ANTARCTIC KRILL FISHERIES

   the ecosystem-based management of the krill fishery, including the adoption of a conservation measure ... that ensures systematic scientific observer coverage, the development of a coordinated research plan to ... interim catch limit in Subareas 48.1-48.4, and that a standardized method for green weight krill catch ... reporting should be developed and required. Author(s):  Submitted by ASOC Title:  A TIME FOR ACTION IN THE ...

   Meeting Document : CCAMLR-XXVII/BG/24 : Auteur(s): Submitted by ASOC

6. DOWN-SCALING FOOSA TO MODEL THE ADMIRALTY BAY PYGOSCELID PENGUIN COLONIES: A WORK IN PROGRESS

   . This work-in-progress serves 2 purposes: 1) to use historical data to estimate parameters in a model ... helps to explain trends in adult abundance. From a bottom-up perspective, there appears to be a trade ... foraging conditions during the first winter of life. From a top-down perspective, strong depensatory stock ... ADMIRALTY BAY PYGOSCELID PENGUIN COLONIES: A WORK IN PROGRESS Approval:  Approved ...

   Meeting Document : WG-EMM-08/51 : Auteur(s): J.T. Hinke, G.M. Watters and W.Z. Trivelpiece (USA)

7. A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica

   Abstract:  Antarctic silverfish (Pleuragramma antarcticum) were sampled during a trawl survey in ... von Bertalanffy growth parameters. The species is relatively slow-growing with a moderate longevity ... separately. Female Antarctic silverfish appear to reach a larger size than males, but none of the estimated ... distribution exhibited a mode from age 6 to 9 years. Author(s):  C.P. Sutton and P.L. Horn (New Zealand) Title ...

   Meeting Document : WG-FSA-10/20 : Auteur(s): C.P. Sutton and P.L. Horn (New Zealand)

8. A draft MPA Report for the East Antarctica Planning Domain

   Abstract:  A draft MPA Report for the East Antarctica Planning Domain is provided according to the ... guidelines adopted by SC-CAMLR in 2012.  This report provides a synthesis of the scientific information ... . Author(s):  A. Constable (Australia), P. Koubbi (France), J. Melbourne-Thomas, M. Sumner, S. Jacob and M ... . Guest (Australia) Title:  A draft MPA Report for the East Antarctica Planning Domain Approval:  Approved ...

   Meeting Document : WG-EMM-14/48 : Auteur(s): A. Constable (Australia), P. Koubbi (France), J. Melbourne-Thomas, M. Sumner, S. Jacob and M. Guest (Australia)

9. Potential modelling structures for a two-area stock assessment model for Antarctic toothfish (Dissostichus mawsoni) in the Amundsen Sea Region

   estimation of biomass in SSRUs 88.2C–G. Additional data resulting from a two-year research plan implemented ... in the future. Results showed that a two-area model with sex- and age-specific migrations from SSRUs ... . Furthermore, a resident population in 88.2H was not required to explain the patterns observed in the data, nor ... plan.  Appendix: CASAL files Author(s):  S. Mormede, S.J. Parker, A. Dunn and S.M. Hanchet (New Zealand ...

   Meeting Document : WG-SAM-15/49 : Auteur(s): S. Mormede, S.J. Parker, A. Dunn and S.M. Hanchet (New Zealand)

10. A bioenergetics model for estimating prey consumption by an Adélie penguin population in east Antarctica

    Abstract:  We developed a bioenergetics model to estimate prey consumption by the Adelie penguin ... CEMP site at Bechervaise Island using 13 years of data, a year when penguins successfully reared chicks ... , and a year with low breeding success. On the basis of variable breeding success and the proportion of ... fish each breeding season. Author(s):  D. Southwell, L. Emmerson, J. Forcada and C. Southwell Title:  A ...

    Meeting Document : WG-EMM-16/P10 : Auteur(s): D. Southwell, L. Emmerson, J. Forcada and C. Southwell

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