Résultats de la recherche

1. Some aspects of the relation between Antarctic krill abundance and CPUE measures in the Japanese krill fishery

   -swarm density. Search time data may be needed to assess the density of swarms in a concentration, but ... may be difficult to record in practice, and a number of other factors may complicate any analysis. The ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 109–125 : Auteur(s): Butterworth, D.S.

2. Updated ASPM assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity

   Butterworth (2004) that permitted annual fluctuations about a deterministic stock-recruitment relationship is ... updated to take account of further catch, GLM standardised CPUE and catch- at-length information that have ... constant annual catches are also shown. These suggest that maintenance of the present TAC of 500 tonnes is ...

   Meeting Document : WG-FSA-04/37 : Auteur(s): A. Brandão and D.S. Butterworth (South Africa)

3. Reproduction in the mackerel icefish (Champsocephalus gunnari) at South Georgia

   macroscopic examination of gonads. Evidence in support of the hypothesis that a proportion of mature fish fail ... to spawn was obtained. Histological examination of ovaries indicates that some ova were undergoing ... regression and resorption at least two months prior to the normal spawning date. It is concluded that the ...

   Meeting Document : WG-FSA-91/07 : Auteur(s): I. Everson (United Kingdom), K.-H. Kock (Germany), G. Parkes (United Kingdom), D. Cielniaszek and J. Szlakowski (Poland)

4. UPDATE ON ITEMS OF INTEREST TO WG-IMAF

   Economic Zone that are relevant to the work of the IMAF working group. The bycatch of seabirds by fisheries ... within New Zealand’s EEZ in recent years that either breed or forage within the CCAMLR convention area ... mitigation trials that are underway in New Zealand. We also briefly report on the ongoing revision of the ...

   Meeting Document : WG-IMAF-09/16 : Auteur(s): N. Walker (New Zealand)

5. Start date of the CCAMLR fishing season for Antarctic krill

   start at a time of year that is based upon ecological events, rather than upon a date that is convenient ... Statistical Bulletin (Version 28) to explore whether there are times of year that would reduce the potential ...

   Meeting Document : WG-EMM-16/16 : Auteur(s): P. Trathan and S. Hill

6. REPORT ON THE ABANDONED GILLNET RETRIEVAL OPERATION CONDUCTED BY AUSTRALIA IN CCAMLR STATISTICAL DIVISION 58.4.3B (BANZARE BANK)

   of intact toothfish may be removed by a single vessel’s deployment of a 130 km long series of ... gillnets. However these figures are likely to be underestimates of total mortality in gillnets, due to the ...

   Meeting Document : TASO-09/10 : Auteur(s): Snowdon, D., Hamill, J., McEachan, F., Welsford, D.

7. USING GENERALIZED DISSIMILARITY MODELLING TO ANALYSE AND PREDICT PATTERNS OF BETA DIVERSITY IN REGIONAL BIODIVERSITY ASSESSMENT

   gradients. GDM can be further adapted to accommodate special types of biological and environmental data ... barriers to dispersal between geographical locations. The approach can be applied to a wide range of ...

   Meeting Document : WS-VME-09/P03 : Auteur(s): Richardson, K., Manion, G., Ferrier, S., Elith, J.

8. The SCAR Antarctic digital topographic database

   coastline now available. The topographic database created, to be published on one CD-ROM, will form the ... digital elevation models and customized maps; the latter can be reproduced by research groups to meet ...

   Meeting Document : SC-CAMLR-XII/BG/16 : Auteur(s): Delegation of United Kingdom

9. Some aspects of the relation between Antarctic krill abundance and CPUE measures in the Japanese krill fishery. (Component of SC-CAMLR-VI/BG/4)

   time data may be needed to assess the density of swarms in a concentration, but may be difficult to ...

   Meeting Document : WS-KCPUE-89/03 : Auteur(s): D.S. Butterworth (South Africa)

10. Phase-randomisation in an integrated assessment model for Antarctic krill

    (Euphausia superba, hereafter krill). We fixed the parameters that were not estimated in any given ... configurations. The numbers of parameters estimated in configurations that were able to obtain an invertible ... objective value, the maximum gradient, the proportion of replicate trials that found the minimum observed ... invertible Hessian matrix. Configurations that estimated more parameters fitted the data better, but the ...

    Meeting Document : WG-SAM-17/31 : Auteur(s): D. Kinzey, G.M. Watters and C.S. Reiss

Pages