Résultats de la recherche

1. Modelling the predator–prey interactions of krill, baleen whales and seals in the Antarctic ecosystem

   and the assumptions on which they are based is discussed, together with suggested further areas for ... consider other species in addition to baleen whales and krill only to explain observed trends, with ...

   Meeting Document : WG-EMM-05/34 : Auteur(s): M. Mori and D.S. Butterworth (South Africa)

2. Energetics of diving in macaroni penguins

   adjustments that might facilitate the diving behaviour observed in this species. In common with other diving ... birds, macaroni penguins showed significant changes in fH associated with diving, and these variables ...

   Meeting Document : WG-EMM-03/39 : Auteur(s): J.A. Green, P.J. Butler, A.J. Woakes and I.L. Boyd (United Kingdom)

3. Preliminary analysis of seabird by-catch using CCAMLR observer data

   environmental variables such as time of day, time of year. Out of 3283 longline sets analysed only 311 caught ... significant were time of year (very few birds caught after April) and use of streamer lines but the effects of ... most other factors cannot be fully analysed with the present data. Even vessels using streamer lines ... with using all prescribed mitigation measures provides a more useful indication of the success of ...

   Meeting Document : WG-FSA-99/28 : Auteur(s): D.J. Agnew and J.P. Croxall (United Kingdom)

4. Population assessment of Patagonian toothfish in Subarea 48.4 – 2011 update

   suggest that further data on the D. eleginoides population at Saunders island should be acquired, with ... 52 tonne catch limit to both areas with a sub-division of 5 tonnes allocated specifically for D ...

   Meeting Document : WG-FSA-11/38 : Auteur(s): J. Roberts, R. Mitchell and R. Wakeford (United Kingdom)

5. THE RISKS OF NOT DECIDING TO ALLOCATE THE PRECAUTIONARY KRILL CATCH LIMIT AMONG SSMUS AND ALLOWING UNCONTROLLED EXPANSION OF THE KRILL FISHERY UP TO THE TRIGGER LEVEL

   risks associated with three options for a Stage-1 allocation of the precautionary krill catch limit ... Scientific Committee during 2008, and the caveats associated with that previous advice also apply here. Given ...

   Meeting Document : WG-EMM-09/12 : Auteur(s): G.M. Watters (USA), S. Hill (United Kingdom), J.T. Hinke (USA) and P. Trathan (United Kingdom)

6. LENGTH AND AGE AT SPAWNING OF ANTARCTIC TOOTHFISH DISSOSTICHUS MAWSONI IN THE ROSS SEA

   spawn in a given year and is therefore appropriate to evaluate spawning stock biomass relative to stock ... that primary endogenous growth can occur for an extended period with oocytes accumulating at the ... cortical alveoli stage at least a year prior to spawning. Individual oocytes are then recruited into the ... slope with the age distribution in the northern area and the lack of evidence for skip spawning in the ...

   Meeting Document : WG-FSA-09/37 : Auteur(s): S.J. Parker and P.J. Grimes (New Zealand)

7. Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons

   crab fishery were analyzed with generalized additive models and depletion estimators. Results from the ... uncertainty associated with these estimates. In general, the experimental harvest regime was successfU1. The ...

   Meeting Document : WG-FSA-96/34 : Auteur(s): Watters, G.

8. The effects of an experimental hake Merluccius capensis/paradoxus longline fishery on Procellariiform seabirds in South Africa - a preliminary investigation

   responsible for 1928 ± 1345 whitechinned petrel deaths a year in South African waters. Stepwise multiple ... setting of lines prior to whitechinned petrel activity peaks. Experimentation with levels of artificial ... lighting and with differentially weighted longlines to ensure that hooks sink immediately when placed in ...

   Meeting Document : WG-FSA-95/21 : Auteur(s): Barnes, K.

9. Development of methods for evaluating the management of benthic impacts from longline fishing using spatially explicit production models, including model validation

   fishing effort. Further, we update this paper with a set of simulations using a range of simple and ... carried out under a range of productivity assumptions, impact, and spatial scale, with and without ...

   Meeting Document : WG-FSA-10/29 : Auteur(s): A. Dunn, S.J. Parker and S. Mormede (New Zealand)

10. An investigation of integrated stock assessment methods for the Patagonian toothfish (Dissostichus eleginoides) in Division 58.5.2 using CASAL

    recruitment series derived from surveys has similarities with the recruitment series estimated by Welsford et ... al. (2006), but with a recognition that some age classes are only partially selected in these surveys ...

    Meeting Document : WG-FSA-SAM-06/14 : Auteur(s): A. Constable, S. Candy and I. Ball (Australia)

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