Résultats de la recherche

1. Coopération avec d'autres organisations : Accords avec des organisations internationales

   seeks the endorsement of the Scientific Committee, SCIC and the Commission in respect of activities to ... Commission decision to renew these two Arrangements (CCSBT, SPRFMO) for a further 3 years. The Secretariat ...

   Meeting Document : CCAMLR-XXXVII/10 : Auteur(s): CCAMLR Secretariat

2. Defining predator foraging ranges, illustrated using Adélie penguin foraging tracks from Mawson coast

   likely to be foraged by predators from one year to the next, i.e. what is a predator’s feeding range ... taking into account interannual variation in foraging locations? This paper considers the issues to be ... addressed in answering that question. The proposed method for defining foraging ranges is based on an ... effort and this is used to delineate a feeding ground for Adélie penguins on the Mawson coast in eastern ...

   Meeting Document : WG-EMM-02/41 : Auteur(s): I.R. Ball, A.J. Constable, J. Clarke and L. Emmerson (Australia)

3. Predation on fish by the southern elephant seal, Mirounga leonina, at King George Island, South Shetland Islands, as reflected by stomach lavage

   , were stomach lavaged at King George Island in order to analyse their diet. The two major prey types ... were cephalopods and fish which ocurred respectively in 98,1% and 14% of stomachs containing prey ... nicholsi which constituted in number 69% of the otoliths found. This species was followed by the ... nototheniid Pleuragramma antarcticum which represented 11,7% in number and 31,3% in frequency of occurrence ...

   Meeting Document : WG-EMM-01/58 : Auteur(s): G.A. Daneri and A.R. Carlini (Argentina)

4. Age-structured production model for toothfish at South Georgia

   frequency data achieved last year, but the fit was still poor. The fit to the CPUE was also poor. With ... , by allowing all parameters to be estimated in this way the model is over-parameterised and regularly ... high weight in the fitting, then the model has sufficient flexibility to change the selectivity to fit ... model. Revisions to the selectivity model this year have led to an ASPM with superior performance ...

   Meeting Document : WG-FSA-SAM-05/18 : Auteur(s): A. Payne, G.P. Kirkwood, R. Hillary and D.J. Agnew (United Kingdom)

5. A simulation approach to the evaluation of recruitment surveys for D. eleginoides for the Heard Island Plateau region (Division 58.5.2)

   the design is carried out in a simulation environment using the program Fish Heaven with data analysis ... the age of every fish caught in the surveys is known without error and assuming knife-edge fishing ... . For a series of 10 years of survey, age 4 recruitment was estimated using 111 RSTS stations, assuming ...

   Meeting Document : WG-FSA-04/74 : Auteur(s): S.G. Candy, C.R. Davies and A.J. Constable (Australia)

6. Preliminary assessment of the South Georgia toothfish stock, 2007

   estimates year class strength which corresponds, in some years, with estimates made from the South Georgia ... higher than was estimated last year. 2. Improvements are made to the fit of tag data through (a ... ) estimating a length-based ogive for tag-induced mortality, based on our 2005 survivorship experiment, in ... retardation than larger fish, and that on average it is 1 year or more. 3. A new model is developed which uses ...

   Meeting Document : WG-FSA-07/29 : Auteur(s): D.J. Agnew, R. Hillary and J. Pearce (United Kingdom)

7. Development of the VME registry

   would be required in subsequent years to maintain the registry and implement transition to future ... associated features. In this proposal, summary information on VMEs and VME risk areas and fine-scale ... budget implications will be forwarded to the Scientific Commission and Commission for consideration in ...

   Meeting Document : WG-FSA-10/07 : Auteur(s): Secretariat

8. Feasibility of lead-radium dating the otoliths of blackfin icefish (Chaenocephalus aceratus) and ocellated icefish (Chionodraco rastrospinosus)

   was necessary as a first look at lead-radium levels. The application was successful as a first step in ... determining the parameters of future applications that would lead to a validation of age. In the current study ... arbitrary target core weight of 0.01 g, near the low end of the range used in this study. It is recommended ... few years of growth) is possible for these species, provided there is enough sample mass and perhaps ...

   Meeting Document : WG-FSA-10/17 : Auteur(s): A.H. Andrews, M. La Mesa and J. Ashford (USA)

9. Infectious diseases of Antarctic penguins: current status and future threats

   occurred. The majority of these events have occurred since the year 2000 in regions that will likely be ... tourists in the future. Three main areas are likely to be impacted by this increase in use and by ... valuable as indicators of the status of marine ecosystem health and are an indicator-species used in the ... on these birds.  Long-term disease studies would therefore be useful as an adjunct to aid in ...

   Meeting Document : WG-EMM-14/53 : Auteur(s): W.W. Grimaldi, P.J. Seddon, P.O.B. Lyver, S. Nakagawa and D.M. Tompkins (New Zealand)

10. Abundance and trends of Type B killer whales (Orcinus orca) around the western Antarctic Peninsula

    whales had a higher re-identification rate (61% photographed in more than one year) within a highly ... (Orcinus orca), represented in this area by three phenotypically, genetically and culturally distinct ... = 20 d; B2: n = 22 tags, median duration = 66 d) and photo-identifications (6 y; B1 = 8,925 photographs ... , B2 = 13,621 photographs) to estimate abundance in the coastal waters of the WAP during austral ...

    Meeting Document : WG-EMM-18/16 : Auteur(s): H. Fearnbach, J.W. Durban, D.K. Ellifrit and R.L. Pitman

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