Résultats de la recherche

1. INCORPORATING SAMPLING VARIATION AND RANDOM READER ERROR INTO CALCULATION OF EFFECTIVE SAMPLE SIZE IN THE APPLICATION OF AGE LENGTH KEYS TO ESTIMATION OF CATCH-AT-AGE PROPORTIONS

   ageing, and random reader error when ageing fish. The catch-at-age ESS is estimated by dividing the ESS ... for the LF sample, where this ESS is obtained from the haul-level LF data, by an over-dispersion ...

   Meeting Document : WG-SAM-09/08 : Auteur(s): S.G. Candy (Australia)

2. LIFE HISTORY BUFFERING IN ANTARCTIC MAMMALS AND BIRDS AGAINST CHANGING PATTERNS OF CLIMATE AND ENVIRONMENTAL VARIATION

   interannual variation in fitness. These species maximise fitness by keeping a low inter-annual variance in the ... flexible life histories that are more constrained by fluctuation in their critical habitats, like sea-ice ... and Weddell seals, we found strong support for selection of life history traits that reduce ...

   Meeting Document : WG-EMM-08/P05 : Auteur(s): J. Forcada, P.N. Trathan and E.J. Murphy

3. Foraging energetics of Antarctic fur seals in relation to changes in prey availability

   seal foraging trips were twice as long in 1984 as in 1985 and total mass-specific energy expended by ... can increase their foraging effort by increasing the proportion of time spent foraging. This would ...

   Meeting Document : SC-CAMLR-VIII/BG/13 : Auteur(s): Delegation of United Kingdom

4. A CHARACTERISATION OF THE TOOTHFISH FISHERY IN SUBAREAS 88.1 AND 88.2 FROM 1997–98 TO 2007–08

   of data collected on toothfish and the associated bycatch by all vessels participating in the fishery ... of the fishery by having fewer catch limits. This appeared to be moderately successful, with only one ...

   Meeting Document : WG-FSA-08/22 : Auteur(s): M.L. Stevenson, S.M. Hanchet and A. Dunn (New Zealand)

5. Variations in the diet composition and feeding intensity of mackerel icefish (Champsocephalus gunnari) at South Georgia (Antarctic)

   replace d by the ubiquitous Themisto gaudichaudii. The occurrence of krill in the diet in 1991 was one of ... was much less influenced by prey size selectivity due to differences in length composition of fish ...

   Meeting Document : WG-FSA-93/24 : Auteur(s): K.-H. Kock and S. Wilhelms (Germany), I. Everson (United Kingdom) and J. Gröger (Germany)

6. Annual variation in breeding biology of gentoo penguins, (Pygoscelis papua) at Bird Island, South Georgia

   breeding population at Bird Island decreased by 20% and increased by 84% in successive years during the ...

   Meeting Document : WG-CEMP-90/38 : Auteur(s): T.D. Williams (United Kingdom)

7. Developing a Ross Sea region medium-term data collection plan

   collection could be undertaken by vessels and which data collection should be undertaken by observers. Author ...

   Meeting Document : WG-FSA-10/32 : Auteur(s): S. Mormede and S. Hanchet (New Zealand)

8. Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground

   releases and recaptures of tagged fish were available. Catch and releases by age class for this fishery ... these were used to obtain recapture numbers by age class. Two alternative estimation models were ...

   Meeting Document : WG-FSA-10/41 : Auteur(s): S. Candy, D. Welsford, T. Lamb, J. Verdouw and J. Hutchins (Australia)

9. Review of the use of survey data and length-at-age models in the assessment of Dissostichus eleginoides in the vicinity of Heard Island and McDonald Islands (Division 58.5.2)

   . Primarily, it is proposed to revise the use of historical survey data by reassigning them to the strata ... mixture analysis is informed by accurate estimates of length at age, an independent estimate of relative ... estimates were found to be most sensitive to the estimated recruitment series interacting with the estimate ...

   Meeting Document : WG-FSA-SAM-06/15 : Auteur(s): D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)

10. Precautionary spatial protection to facilitate the scientific study of habitats and communities under ice shelves in the context of recent, rapid, regional climate change

    . Habitats revealed by collapsed ice shelves offer unique scientific opportunities. Given the complexity of ... ice shelves as MPAs for scientific study would fulfil one of the recommendations made by the Antarctic ...

    Meeting Document : WG-EMM-12/34 : Auteur(s): P.N Trathan, S.M. Grant (United Kingdom), V. Siegel and K.-H. Kock (Germany)

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