Résultats de la recherche

1. Refinements to the strategy for managing depleted fish stocks based on CCAMLR objectives

   examined, one with the population at 30% of average pre-exploitation biomass, and the other at 5%. GNAI is ... the stock being above GNAl in year 20 (denoted PONAI.20 = 0.5 in the table); and (4) 95% confidence ... Bertalanffy K = 0.12 year! Von Bertalanffy Woo = 2500 grams Age at first fishing = 5 years (knife-edge) Age ... at first spawning = 5 years (knife-edge) Pooled age-class = 20 years Higher yielding stock ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 467–475 : Auteur(s): de la Mare, W.K. and A. Constable

2. Seabird interactions with longlining operations for Dissostichus eleginoides at the South Sandwich Islands and South Georgia

   (4-5 kg) BRANCH JJJJJJJJJJ LINE (1.2 m) +STONE ANCHOR ( 2 0 Kg) P 75 COILS Figure 1 ... port and the other to starboard of the main line. N 5 7 7 6 4 6 Ashford et a1 Apart ... . FLOAT d BUOY L l N E ( 1.5 X Depth) GROUND LlNE I l I I ( 7 5 m y 30-38 Hooks) STONE ANCHOR ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 143–153 : Auteur(s): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno

3. Modelling krill recruitment

   when the value for S is calculated with k ( t ) used in equations ( 5 ) and (6) set to Correcting ... cumulative effects of variability in recruitment in every age class. If we put: then (4) can be written as ... realisation using equations (5) and (6). The variance is adjusted according to equation (20 ) and then used ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 49–54 : Auteur(s): W.K. de la Mare

4. Revised age and growth estimates for Antarctic starry skate (Amblyraja georgiana) from the Ross Sea

   readability was scored subjectively on a scale from 1 (excellent) to 5 (unreadable). Band counts were ... , but most (61.5%) were scored as reada- bility 4 (bands very unclear over at least part of the thorn ... skates having large discrepancies between the two readers. 10 20 30 R ea de r 2 , r ea di ng 4 ... 2 , r ea di ng 4 (y ea rs ) ( m ea n ± 2S E ) 40 30 20 10 N = 96 Francis and ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 211–220 : Auteur(s): Francis, M.P. and M.J. Gallagher

5. Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands, derived from the 2000–2006 monitoring program at Potter Cove

   described in Barrera-Oro et al. (2000). Data from approxi- mately 5 161 specimens (4 346 from PC and 815 ... declined from values of over 20% in 1985 to values of less than 5% in 1988. Since then, G. gibberifrons ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 83–87 : Auteur(s): Barrera-Oro, E.R. and E.R. Marschoff

6. Southern elephant seals and CCAMLR

   vicinity of the Antarctic Convergence seems to exist. Sub-adult and adult bulls of 5 a and older, and ... . Notes on the tagging of seals at Marion and Gough Islands. S. Afr. J. Antarct. Res. 5: 45 - 47. RAND ... decline in numbers of the southern elephant seal at Heard Island. Tas. Nat. 86: 4 - 8. HINDELL, M.A ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 465-473 : Auteur(s): Bester, M.N. and D.G.M. Miller

7. International CCAMLR applied research and monitoring program, Prydz Bay priority area

   (Section 7) a short period (5+ days) will be devoted to sampling Pleuragramma on the shelf immediately ... and migration. - 290 - 4. SELECTED PREDATOR SPECIES 4.1 Crabeater Seals Australian field ... species. 5. PHYSICAL ENVIRONMENT While Australian scientists recognise that a number of ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 283-295 : Auteur(s): Australia

8. Management and uncertainty: the example of South Georgia

   exploitation, perhaps F=0.05, could be sustained with a recruitment around that of the 1970's i.e. around 5 ... (e.g. 10 million) - giving a Y/R of 500 to 800 gms, and a total yield of 5-8 thousand tons. It might ... also be hoped that recovery would be quicker, perhaps taking only 5 years. The more pessimistic ... closure. Another view is given by the working party's report, which in Table 4 indicated fishing ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 341-353 : Auteur(s): Gulland, J.A.

9. A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia

   population with non-zero prevalence, W ( F = 0, p = 34%). ; Rn ""K 4 0 0.2 0.4 0.6 0.8 1 Fishing ... animals. I shall now consider other levels of prevalence. Figures 5 and 6 illustrate the patterns of ... harvesting scenarios: healthy animals only (Figure 5), and both healthy and infected animals (Figure 6 ... mortality Figure 5: Harvesting healthy animals only: spawning stock numbers at a range of fishing ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Auteur(s): Basson, M

10. CCAMLR ecosystem monitoring and management: future work

    (1 99 5) ; T ho m so n et a l. (2 00 0) M an ge l a nd S w it ze r (1 99 8) C ... though both have been under way for signifi cant periods. The krill catch is less than 5% of the ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 233–253 : Auteur(s): Constable, A.J

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