Résultats de la recherche

1. VME detection thresholds: provision of a beta version of a R library to compute detection probabilities and preliminary results on the case of the sea pens (Pennatulacea) of the CCAMLR Division 58.4.4b

   CCAMLR SAM Working Group 2018. However, despite the important level of the catches, no VME detection ... threshold triggering out the establishment of an immediate fishing exclusion zone have been reached. Here ... Consent:  No Delegation responsibility for releasing documents:  France ... Abstract:  CCAMLR has defined Vulnerable Marine Ecosystems (VME) detection thresholds based on the ...

   Meeting Document : WG-FSA-2019/46 : Auteur(s): A. Martin and M. Eléaume

2. A PRELIMINARY BALANCED TROPHIC MODEL OF THE ECOSYSTEM OF THE ROSS SEA, ANTARCTICA, WITH EMPHASIS ON APEX PREDATORS

   Sea as a step towards investigating ecosystem effects of the fishery for Antarctic toothfish ... (Dissostichus mawsoni). The model has 30 trophic groups representing all the major biota of the Ross Sea. Many ... toothfish. A survey of the available literature and both published and unpublished data provided an initial ... , exports), energetics (growth, reproduction, consumption), and trophic linkages (diets, key predators) for ...

   Meeting Document : WG-EMM-08/42 : Auteur(s): M.H. Pinkerton, J.M. Bradford-Grieve and S.M. Hanchet (New Zealand)

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

   Antarctic are now an object of intense interest for the scientific and fishery organizations of the member ... for Lepidonotothen squamifrons, the frequency of their occurrence being 25 to 30%. Considering, that a ... during aimed fishery for Lepidonotothen squamifrons. At maximum, the proportion of squid in the total ... that target searching and fishing for Moroteuthis ingens with a midwater trawl over the seamaunts in ...

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

4. Report on the status of wandering, black-browed and grey-headed albatrosses at South Georgia

   photography and subsequent counting on computer screen using Adobe Photoshop software. In total, an estimated ... %, respectively. However, comparison of annual totals for Bird Island, which was censused on both occasions mainly ... conducted in the mid 1980s, numbers of these two species appear to have decreased by 26% and 14 ... by ground counts, indicate more rapid declines: 4.0% p.a. from 1989/90-2003/04 for black-browed ...

   Meeting Document : WG-FSA-04/71 : Auteur(s): S. Poncet (United Kingdom),G. Robertson (Australia), R. Phillips (United Kingdom), K. Lawton (Australia), B. Phalan, J. Croxall and P. Trathan (United Kingdom)

5. A description of current metrics and methods used in providing advice to the Scientific Committee on setting catch limits and assessing research plans in research blocks in exploratory fisheries and closed areas

   summary table using the most recent data available and to detail the methods used for local biomass ... estimation (SC-CAMLR-XXXIV, paragraph 3.232 (i)). This paper provides an updated summary table, with a full ... Secretariat Workflow Status:  Content Approved Delegation responsibility for releasing documents:  CCAMLR ... Abstract:  In recent years there have been a number of changes in the criteria, metrics and ...

   Meeting Document : WG-SAM-16/18 Rev. 1 : Auteur(s): CCAMLR Secretariat

6. Review of CCAMLR activities on monitoring marine debris in the Convention Area

   at King George Island for the fourth consecutive year. There are now 4 sites that have data for more ... fragments continue to be the main entangling materials. For the first time an Adélie penguin was reported ... were reported for the first time from Cape Shirreff. The number of Antarctic Fur seal entanglements at ... record being reported for the 2003 and 2004 seasons. Packaging bands, synthetic string and longline ...

   Meeting Document : SC-CAMLR-XXIII/BG/11 : Auteur(s): Secretariat

7. Analysis of variability of krill size and fish by-catch in Japanese krill fishery based on scientific observer data

   cluster units (i.e., year, sub-area, vessel, cruise, and haul) based on a state-space model, separating ... Bayesian model. For both krill length and bycatch fish number, vessel sample size show marked effects on CV ... -areas, and vessels. The potent interaction effect between year and sub-area suggests large spatio ... , although haul sample size affect CV for only krill length data up to 10% haul coverage. These results ...

   Meeting Document : WG-EMM-12/68 : Auteur(s): T. Okuda and M. Kiyota (Japan)

8. Educational poster on hook ingestion

   large enough to swallow fish heads whole (SC-CAMLRR-XXI/BG/7). For example, in 2001/02 the scientific ... Bird Island, South Georgia, have noted an increase in the occurrence of hook injuries to wandering ... albatrosses. The injuries appear to have two sources – injuries from the ingestion of discarded fish heads and ... crews. A draft poster will be submitted to WG-IMAF for discussion. Author(s):  G. Robertson (Australia ...

   Meeting Document : WG-FSA-07/20 : Auteur(s): G. Robertson (Australia)

9. Update of ongoing work on age and growth of Antarctic toothfish (Dissostichus mawsoni) from Division 58.4.1 by Spain

   Abstract:  We present preliminary results on age and growth of Dissostichus mawsoni for the third ... season (2015/16) of the Spanish research fishing in the 58.4.1 Division obtained for growth rings on ... length-age pair values are: L∞: 208.2, k: 0.074 and t0: 0.564 for females; L∞: 173, k: 0.089 and t0 ... :-0.1771 for males; and L ∞: 226.4, k: 0.05673 and t 0:-0.745 all combined. Values differ with the previous ...

   Meeting Document : WG-FSA-17/66 : Auteur(s): L.J. López-Abellán, M.T.G. Santamaría, R. Sarralde and S. Barreiro

10. Informing the Working Group on Fish Stock Assessment about the revisions of the WSMPA proposal

    Population Hypothesis for Area 48. The document also informs FSA about the advice given by SAM 2018 and WS-SM ... and the EU has submitted a revised CM proposal to CCAMLR 2018. This document is based on similar ... documents submitted to WG SAM 2018 and the CCAMLR Workshop on Spatial Management (WS-SM-18). It intends to ... : Unifying the previously two separate WSMPA parts into one coherent WSMPA by closing the gap on the eastern ...

    Meeting Document : WG-FSA-18/08 Rev. 1 : Auteur(s): S. Hain, K. Teschke, H. Pehlke and T. Brey on behalf of the German Weddell Sea MPA project team

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