Résultats de la recherche

1. Krill length and age at maturity

   Abstract:  Data from several summer surveys to the Antarctic Peninsula region were analysed to ... calculate length and age at maturity for the Antarctic krill Euphausia superba. L50 values of 34.62 to 35.90 ... mm for female krill are the best estimates for the high spawning season. Males attain sexual maturity ... identical for krill. Comparisons with length at age data show that females mature in the third year of the ...

   Meeting Document : WG-KRILL-93/40 : Auteur(s): V. Siegel (Germany) and V. Loeb (USA)

2. Australia’s observations and actions on IUU activities in 2015/16

   Abstract:  The 2015-16 season has seen further significant progress in the fight to combat Illegal ... , Unreported and Unregulated (IUU) fishing in the Southern Ocean. This paper outlines the action Australia has ... taken as part of its compliance program, and in cooperation with South East Asian countries through the ... ), with other CCAMLR members, and with other countries more broadly. The paper notes that international ...

   Meeting Document : CCAMLR-XXXV/BG/20 : Auteur(s): Delegation of Australia

3. Projet de mesure de conservation pour une aire marine protégée dans l'Antarctique de l'Est

   been under consideration by the Commission since 2012. This paper presents a revised conservation ... measure articulating changes, including feedback provided by members, which continue to improve the ... proposal. The paper provides greater clarity on the proposal by explaining how existing conservation ... measures create zones within the proposed EAMPA where different activities can occur, and includes ...

   Meeting Document : CCAMLR-XXXVI/17 : Auteur(s): Delegations of Australia, the European Union and its Member States

4. 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)

5. 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)

6. 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)

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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