Résultats de la recherche

1. Assessment of Patagonian toothfish (Dissostichus eleginoides) in Subarea 48.4

   . eleginoides) in Subarea 48.4. The assessment data are updated with the observations for the 2017/18 season and ... the data weighting method revised to be consistent with those applied in other CCAMLR assessment model ... fits. Stock projections indicate that the stock was at 67% of B 0 in 2018/19 and that a yield of 27 ... tonnes in 2019/20 and 2020/21 is consistent with the application of the CCAMLR harvest control rule ...

   Meeting Document : WG-FSA-2019/29 : Auteur(s): T. Earl and E. MacLeod

2. CCAMLR observer manual questionnaires: summary results of preliminary analysis during its introductory period

   Abstract:  Preliminary analysis of data from the questionnaires of krill fishery behavior in ... CCAMLR observer manual was undertaken. The analysis revealed possible inconsistency in definitions of the ... event codes among different skippers. Some suggestions were made to improve the quality of questionnaire ... format to better understand the nature of the fishery. Author(s):  S. Kawaguchi and S. Nicol (Australia ...

   Meeting Document : WG-EMM-05/31 : Auteur(s): S. Kawaguchi and S. Nicol (Australia)

3. Population assessment of Antarctic toothfish in Subarea 48.4 using tag-recapture method

   Abstract:  The stock of Antarctic toothfish in the CCAMLR subarea 48.4 was estimated using as the ... Petersen method as  640 tonnes. Application of the harvest rate used for D. eleginoides in Subarea 48.3 (γ ... = 0.038) gives yields of 24 t for the Antarctic toothfish in the region vs. previous estimation of 30 ...

   Meeting Document : WG-FSA-13/64 : Auteur(s): V. Laptikhovsky (United Kingdom)

4. Procédure établie par le secrétariat pour le suivi des captures et de l'effort de pêche : Commentaires

   Abstract:  This paper reviews the procedure established by the Secretariat to monitor catch and ... effort in the context of results from the 2017/18 fishing season. Author(s):  Delegation of the Russian ... Federation Title:  Procedure established by the CCAMLR Secretariat to monitor catch and effort: comments ...

   Meeting Document : SC-CAMLR-XXXVII/20 : Auteur(s): Делегация Российской Федерации

5. Effects of orientation on acoustic scattering from Antarctic krill at 120 kHz

   ) were made at a frequency of 120 kHz in a chilled insulated tank at the Long Marine Laboratory in Santa ... Cruz, CA. Individual animals were suspended in front of the transducers, were only loosely constrained ... collected per animal. Orientation data were recorded on video. The acoustic data were analyzed and target ... strengths determined from each echo. A method was developed for estimating the three-dimensional orientation ...

   Meeting Document : WG-EMM-99/42 : Auteur(s): D.E. McGehee (USA), R.L. O’Driscoll (New Zealand) and L.V. Martin Traykovski (USA)

6. Seabird interaction with long-lining operations for Dissostichus eleginoides around South Georgia, April and May 1994

   mortalities recorded over twenty sets of the line; no mortalities occurred during hauls. The 16 sets made at ... night contributed 15% of the overall mortality, all of white-chinned petrels: the four day time sets ... decline, were disproportionately affected in relation to their numbers in the vicinity of the fishing ... vessel; giant petrels also may be disproportionately affected, at least in relation to the size of their ...

   Meeting Document : WG-IMALF-94/15 : Auteur(s): J.R. Ashford, J.P. Croxall (United Kingdom), P.S. Rubilar and C.A. Moreno (Chile)

7. Identifying priority areas for conservation within Domain 1

   . Main points discussed were the significance of each conservation objective for the process, the best ... way to implement each objective in the analysis and data gaps. Outputs of the workshop are expected to ... contribute to the general discussion on MPA planning for Domain 1. Author(s):  J. Arata (Chile) Title ...

   Meeting Document : WG-EMM-14/49 : Auteur(s): J. Arata (Chile)

8. Seabird mortality associated with Patagonian toothfish longliners in Falkland Island waters during 2002/03 and 2003/04

   Abstract:  The Patagonian toothfish longline fishery set approximately 7.5 million hooks and 9.6 ... million hooks in 2002/03 and 2003/04, respectively. Observers were present during the setting of 59% of ... all lines set during 2002 – 2004 to record adherence to the above provisions and record seabird ... mortality for 2002/03 was 80 Black-browed albatross and for 2003/04, 45 Black-browed albatross. The rates ...

   Meeting Document : WG-FSA-05/56 : Auteur(s): H. Otley and T. Reid (United Kingdom)

9. Yet further krill yield computations

   Abstract:  Preliminary computations are carried out for the krill yield model of Butterworth et al ... . (1993), adjusted as requested by the fifth meeting of WG-KRILL. This involves modifying the input ... distributions for the lengths at recruitment and maturity, natural mortality and the extent of recruitment ... variability. Sensitivity tests are carried out to assess the consequences of avoidance of gravid females by ...

   Meeting Document : WG-Krill-94/23 : Auteur(s): R.B. Thomson and D.S. Butterworth (South Africa)

10. Hook loss in CCAMLR exploratory fisheries

    Abstract:  The development of methods to estimate unaccounted fishing mortality from lost fishing ... lines requires an estimate of the number of lost hooks that are attached to sections of line. In 2011 ... hook loss data was provided by 21 of the 34 vessel/fishery reports with an estimated 317920 hooks lost ... attached to sections of lines.  In 2012 15 of the 26 vessel/fishery reports provided non-zero data with an ...

    Meeting Document : WG-FSA-12/65 : Auteur(s): Secretariat

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