Résultats de la recherche

1. Herpes virus antibodies in Arctocephalus gazella from Cape Shirreff, Livingston Island, Antarctica

   Abstract:  This paper describes evidence of antibodies against a virus related with ... Alphaherpesvirinae sub-family, potentially a phocine herpesvirus (PhHV-1) that affect Antarctic Fur Seals ... with the knowledge confirming the extended distribution range of herpesvirus, affecting a large number ... research on diseases in Antarctic wildlife, considering it interesting to be discussed in the WG-EMM agenda ...

   Meeting Document : WG-EMM-01/59 : Auteur(s): O. Blank, J.M. Montt, M. Celedón and D. Torres (Chile)

2. CCAMLR ecosystem monitoring program standard methods: determination of sex of Adelie penguins

   Abstract:  The suggestion that sex of Adélie penguins, Pygoscelis adeliae, might be assigned by ... and peak presence of females after 33–36 days from this date. In all three seasons male birds could be ... identified with 91∙8–98∙6% accuracy within 15–21 days after the first sighting of an egg. The method provides ... , therefore, a means of identifying the sex of Adélie penguins with an accuracy greater than 90% and is ...

   Meeting Document : WG-CEMP-94/08 : Auteur(s): K.R. Kerry, J.R. Clarke and G.D. Else (Australia)

3. INCORPORATING SAMPLING VARIATION AND RANDOM READER ERROR INTO CALCULATION OF EFFECTIVE SAMPLE SIZE IN THE APPLICATION OF AGE LENGTH KEYS TO ESTIMATION OF CATCH-AT-AGE PROPORTIONS

   an effective sample size (ESS) that can be used as the nominal multinomial sample size. The method ... observations that contribute to the objective function via a multinomial likelihood. The multinomial likelihood ... accounts for both the variation associated with sub-sampling of the random length frequency (LF) sample for ... Monte Carlo multinomial replicates of the observed age length key (ALK) with each ALK used to generate a ...

   Meeting Document : WG-SAM-09/08 : Auteur(s): S.G. Candy (Australia)

4. Exploitation of mesoscale oceanographic features by grey-headed albatross Thalassarche chrysostoma in the southern Indian Ocean

   therefore suggest that these mesoscale oceanographic features may be an important component of the ‘life ... association with mesoscale oceanographic features, as identified by sea surface height anomalies, in the ... edges of anomalies along the South-West Indian Ridge. Previous work in this area has shown that these ... anomalies are in fact eddies that are created as the Antarctic Circumpolar Current crosses the South-West ...

   Meeting Document : WG-FSA-01/12 : Auteur(s): D.C. Nel, J.R.E. Lutjeharms, E.A. Pakhomov, I.J. Ansorge, P.G. Ryan and N.T.W. Klages (South Africa)

5. Environmental variability and the behavioural dynamics of Antarctic fur seals in the South Atlantic

   combination with ENSO or sea ice indices. Lagged cross-correlations showed that the ENSO and sea ice indices ... Abstract:  Variability in the reproductive performance of marine predators may be a result of ... physical process and the simultaneous action of multiple physical processes often mean that it is difficult ... to link variability in predator performance with specific measurements of oceanographic variability ...

   Meeting Document : WS-AREA 48-98/16 : Auteur(s): I.L. Boyd (UK)

6. Potentially commercial invertebrates on Ob Bank: Moroteuthis ingens (Oegopsida) and Paralomis aculeata (Anomura) (Division 58.4.4)

   that target searching and fishing for Moroteuthis ingens with a midwater trawl over the seamaunts in ... routine bottom trawl was used with the footrope so designed that there was little probability of the ... the sub-Antarctic may be expected to bring forth good commercial yields. The crabs (craboids) of the ... for Lepidonotothen squamifrons, the frequency of their occurrence being 25 to 30%. Considering, that a ...

   Meeting Document : WG-FSA-96/15 : Auteur(s): Pshenichnov, L.K.

7. Updated impact assessment framework to estimate the cumulative footprint and impact on VME taxa of bottom longline fisheries in the CCAMLR Area

   submitting new and exploratory fishery notifications should estimate impacts on VMEs associated with their ... guidance as to how the framework might best be applied. This paper updates the impact assessment taking ... negatively correlated with depth. Impact estimates are summarized separately for each of 17 benthic ... experiencing different levels of impact, as advised by WG-SAM 2010 (paragraph 4.18). We conclude that the ...

   Meeting Document : WG-FSA-10/31 : Auteur(s): B.R. Sharp (New Zealand)

8. Update on the external review of the Generalised Yield Model (GYM) software and manual

   Abstract:  In 2003, WG-FSA requested that the Secretariat supervise an external review of the GYM ... , it is proposed that WG-FSA-SAM determine exactly what the group would like to see in terms of an ... external review of GYM. The Secretariat could then send a new call for tenders in August 2004. Members ...

   Meeting Document : WG-FSA-SAM-04/05 : Auteur(s): CCAMLR Secretariat

9. Fishery Report: Closed fishery for Dissostichus spp. in Divisions 58.4.4a and 58.4.4b

   agreed at WG-SAM, and that comparable fishing trials be carried out in areas other than Division 58.4.4 ... system respectively within one fishing line, will be used. He indicated that the sample size of 81 ... ). The Commission agreed that directed fishing for Dissostichus spp. should be prohibited in these ... ) noted that the proposed catch limit of 81 tonnes would not only be necessary to obtain reliable stock ...

   Document : Site Section: Publications

10. Preliminary tag-recapture based population assessment of Antarctic toothfish in Subarea 48.4

    tagging returns to be 979.3 tonnes in 2017. Applying the CCAMLR agreed precautionary assumption of average ... compared to the 2016/17 catch limit of 38 tonnes. Author(s):  N.D. Walker and T. Earl Title:  Preliminary ...

    Meeting Document : WG-FSA-17/49 : Auteur(s): N.D. Walker and T. Earl

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