Résultats de la recherche

1. A preliminary stock assessment in SSRUS 486A, G: A Bayesian and CPUE based biomass dynamic model

   contributed little to the abundance estimates. This indicates that other modelling framework should be ... area of 48.6 (SSRU 48.6A, 48.6G). Antarctic and Patagonian toothfish presented a high proportion with ... assessment model, it is highly recommendable to continue with the collection of the data by scientific ... observed and tagging and release program. Bayesian data-poor models seem to be appropriated to treat data ...

   Meeting Document : WG-SAM-13/29 : Auteur(s): R. Wiff, J.C. Quiroz (Chile) and R. Scott (United Kingdom)

2. Detection of growth zones in the eyestalk of the Antarctic krill Euphausia superba (Dana, 1852) (Euphausiacea)

   narrower growth zones from the third zone and onwards compared with males. Data show that male subadult ... increased with increasing body length, although there were differences between sexes. Females tended to have ... and a verification of the ageing procedure from krill with a known age is needed before the number of ... growth zones can be definitely established as an indicator of age. The detection of growth zones in the ...

   Meeting Document : WG-EMM-16/P02 : Auteur(s): B.A. Krafft, M. Kvalsund, G. Søvik, E. Farestveit and A.-L. Agnalt

3. PRELIMINARY ESTIMATION OF PENGUIN BREEDING ABUNDANCE AT SPATIAL-SCALES OF RELEVANCE TO CCAMLR: INCORPORATING UNCERTAINTY IN COUNT DATA

   Antarctic data for Adélie penguins. It was recognised that the abundance estimates would not be corrected ... immediate inter-sessional work to be reported to WG-EMM-08. The work to be undertaken included preliminary ... for availability (e.g. nest failure) and hence would to some extent be biased estimates of the ... , uncertainty associated with accuracy or repeatability of the counts varied substantially between SSMUs (95 ...

   Meeting Document : WG-EMM-08/53 : Auteur(s): H. Lynch, R. Naveen (USA), J. McKinlay, C. Southwell (Australia), P. Trathan (United Kingdom), W. Trivelpiece, S. Trivelpiece (USA) and D. Ramm (CCAMLR Secretariat)

4. Design of the Italian acoustic survey in the Ross Sea for the Austral summer 2003/04

   presents the next Italian survey, that will be carried out in the Ross Sea during the austral summer 2003 ... Abstract:  In agreement with the Report of the IXX WG-EMM (Art. 2.78; p.128), the current paper ... masses which influence krill ecological behaviour. All these activities will be undertaken synoptically ... along a cruise track (about 2500 nm) that gives an uniform density of acoustic, net and CTD samplings ...

   Meeting Document : WG-EMM-02/31 : Auteur(s): M. Azzali, A. Sala and S. Manoukian (Italy)

5. THE CONVENTION ON THE CONSERVATION OF ANTARCTIC MARINE LIVING RESOURCES (CCAMLR) AND THE ECOSYSTEM APPROACH As published in the International Journal of Marine and Coastal Law, Vol. 23, No. 3, 2008

   management policies, can be an important tool to reverse this situation. CCAMLR was a pioneer in the ... continues to be a leader in its implementation. Ȁ rough its actions at scientific, institutional and ... compliance levels, it has attempted to balance conservation objectives with the maintenance of commercial ... the core conservation principles embodied in the Antarctic Treaty. Other regional fishery bodies that ...

   Meeting Document : CCAMLR-XXVII/BG/25 : Auteur(s): Submitted by ASOC

6. Hierarchical monitoring plans to determine patterns of change in the Antarctic Marine Ecosystem

   with SOOS to ensure relevant data are available. We highlight that a hierarchical approach to ... required to detect change and to ascribe cause. We therefore propose that CCAMLR build even stronger links ... monitoring could be employed to detect the first signs of change. Author(s):  P. Trathan Title:  Hierarchical ...

   Meeting Document : WS-SM-18/06 : Auteur(s): P. Trathan

7. Effect of missing modes on calibration sphere target strengths (ICES CM 1996/b: 37, Fish Capture Committee)

   Abstract:  It has been suggested that modes of vibration of solid elastic spheres, such as those ... used in the calibration of echo sounder systems, can be affected by the manner of suspension. This ... hypothesis is investigated in the context of reported experimental calibration trials with the SIMRAD EK500 ... tungsten carbide with 6% cobalt binder. Theoretical target strengths are computed for each sphere for the ...

   Meeting Document : WG-EMM-96/46 : Auteur(s): Foote, K.G.

8. Tag linking – revised algorithm (2019)

   descriptions and diagnostics that could be provided to facilitate the adoption of this change in tag-linking ... fisheries and linking the details of recaptured fish to that of tagged fish is a key element of the ... programme. The CCAMLR Secretariat has developed a new tag linking approach that is designed to provide ... greater flexibility in linking recaptures to releases, including where a recapture is linked with equal ...

   Meeting Document : WG-SAM-2019/07 : Auteur(s): CCAMLR Secretariat

9. A scheme for mapping Antarctic seafloor geomorphology to aid benthic bioregionalisation

   Abstract:  Publicly available bathymetry and geophysical data can be used to map geomorphic ... geomorphic features identified and their properties can be related to major habitat characteristics such as ... regimes. Where more detailed data are available, comparisons with the geomorphic features mapped in this ... study show that they can provide a guide to the distribution in the area of shelf benthic communities ...

   Meeting Document : WS-BSO-07/8 : Auteur(s): P. O’Brien (Australia)

10. Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of arrival of adults

    significantly correlated with that of females. Although both species had low weights on arrival after the El ... have a greater foraging range than Rockhopper Penguins when breeding, and may be more influenced at ... significantly correlated with mass of chicks at fledging. For both species, mass on arrival of males was ... between the two species. It is likely that at Marion Island their over-wintering grounds are different ...

    Meeting Document : WG-EMM-05/38 : Auteur(s): R.J.M. Crawford, J. Cooper, B.M. Dyer and L.G. Underhill (South Africa)

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