Résultats de la recherche

1. Technical guide to collect data related to depredation on board longline vessels

   Abstract:  Depredation is an increasing concern in areas where Patagonian toothfish is targeted ... . In order to assess its effect and understand the process of depredation by killer whales and sperm ...

   Meeting Document : WG-FSA-15/72 : Auteur(s): N. Gasco, P. Tixier and C. Guinet (France)

2. On biogeographic patterns of benthic invertebrate mega fauna on shelf areas of the Southern Ocean Atlantic sector

   catches in order to identify and characterise such communities for comparative purposes at a fine spatial ... that contributes to that biomass. In terms of biomass, the shelf area adjacent to the northern of the ... situation is reversed at each region’s easternmost shelves. In terms of composition, the demarcation occurs ...

   Meeting Document : WS-BSO-07/10 : Auteur(s): S.J. Lockhart and C.D. Jones (USA)

3. An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort

   zero observations reflect zero illegal fishing. The new method performs better in the case of zero ... . This is the prevention/detection problem, in which the greater the number of detections for a given ... that have a degree of legitimacy. However, the range of actual fishing (in the simulation datasets) for ...

   Meeting Document : WG-FSA-05/P7 : Auteur(s): Ball, I.

4. Further development and progress towards evaluation of an Antarctic toothfish (Dissostichus mawsoni) stock model for the Ross Sea

   model for the assessment of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea (Subareas 88.1 ... observations defining migration between areas. The 3-area model, showed many problems in fitting the data ... adequately. In both of the spatial models, there was a lack of useful data on area splits, migration rates ...

   Meeting Document : WG-FSA-SAM-05/12 : Auteur(s): A. Dunn, D.J. Gilbert and S.M. Hanchet (New Zealand)

5. An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort

   observations reflects zero illegal fishing. The new method performs better in the case of zero detections and ... is the prevention/detection problem, in which the greater the number of detections for a given level ... results that have a degree of legitimacy. However, the range of actual fishing (in the simulation data ...

   Meeting Document : WG-FSA-04/63 : Auteur(s): I. Ball (Australia)

6. Foraging strategies of chinstrap penguins at Signy Island, Antarctica: importance of benthic feeding on Antarctic krill

   krill Euphausia superba in the Southern Ocean. To examine their foraging strategy, we studied foraging ... ) and longer overnight (19.9 h) trips, with diurnal trips (74%) being dominant in number (263 out of 355 ... in diurnal foraging trips than overnight trips. Analysis of stomach contents showed that penguins on ...

   Meeting Document : WG-EMM-03/37 : Auteur(s): A. Takahashi (Japan), M.J. Dunn, P.N. Trathan (United Kingdom), K. Sato, Y. Naito (Japan), J.P. Croxall (United Kingdom)

7. Sources of variability associated with Adélie penguin CEMP parameters measured at Béchervaise Island, East Antarctica

   parameters. The CEMP parameters considered in this paper include: A3: breeding population size, A1: arrival ... between-season changes in these parameters. This could potentially be achieved by either pooling several 5 ... would only affect the ability to detect long term changes in a parameter if sampling variance can also ...

   Meeting Document : WG-EMM-03/48 : Auteur(s): L.M. Emmerson, C. Southwell, J. Clarke and K. Kerry (Australia)

8. Future work of the Working Group on Ecosystem Monitoring and Management and implications for the format of its meetings

   toinput parameters are included, but spatial and temporal trends in krill demographics,predator demand and ... information in order to derive a qualitative description of the status of theecosystem and appropriate ... theuncertainty in the information – has yet to be completely developed. Recent discussionsat WG-EMM regarding its ...

   Meeting Document : SC-CAMLR-XIX/06 : Auteur(s): Convener WG-EMM

9. Stock assessment of the Patagonian toothfish, Dissostichus eleginoides, harvested by the French fishery at Kerguelen Islands (Division 58.5.1 of the CCAMLR)

   divided in four areas (North, East, South, Skiff Bank) and in two depth categories: less than and more ... than 1,500m. Commercial catches are integrated in the model by CCAMLR season. A weighted combination of ...

   Meeting Document : WG-FSA-11/28 : Auteur(s): A. Relot-Stirnemann (France)

10. Net-based verification of acoustic techniques used to identify Antarctic krill

    during two cruises to the South Georgia region in 1996. For each net-sampled aggregation the differences ... . Using the SDWBA model, dB difference identification ranges based on the length-frequencies of krill in ... frequency techniques. Such results indicate that use of the present SDWBA-derived ranges in the CCAMLR 3 ...

    Meeting Document : SG-ASAM-09/04 : Auteur(s): J. Watkins and S. Fielding (United Kingdom)

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