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1. Estimation of natural mortality using catch-at-age and aged mark-recapture data: a multi-cohort simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation.

   BODE 0.16 LNg 0.1399 0.1024 –28.60, 0.85 –12.54 16.19 –14.86 CCODE 0.16 LN 0.1621 0.0958 –13.68, 12.95 ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 1–27 : Author(s): Candy, S.G.

2. Estimation of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial distribution

   aa p (3) where the parameter set is given by θ = (ω,p1,…, pA), 0 < pj < 1 for all j, 1 1 A aa p ... distribution of π given by equation 3) and is given by Mosimann (1962, equation 7) and Johnson and Kotz (1969 ... (McCullagh and Nelder, 1989) with again the regression constant omitted. The differ- ence between Methods 3 ... and 4 is the assumption of a lognormal distribution for cya for Method 3 com- pared to a gamma ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 115–138 : Author(s): Candy, S.G

3. A proposed management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity

   the reference set of OMs (see Table A.4). 3. The TAC for the starting year 2007 (TAC2007) is set to ... parameters. This MP also constrains TACs to a maximum interan- nual change of 15%. Figure 3 shows typical ... CPUE relative to recent level: 2026 2006 2004 1 3 s s y y CPUE CPUE = å . Over the simulations ... Proposed management procedure for D. eleginoides in the Prince Edward Islands Fi gu re 3 : D et er m ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 33–69 : Author(s): Brandão, A. and D.S. Butterworth

4. Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons

   +) with that observed during this survey. The samples taken during the survey were dominated by 2 and 3 ... 12 a at a£..J aI (3) ;=1 The application of equation 3 in Parkes (1991) assumed that q was 1 (i.e ... survey indices la, which can be used to re-estimate values of la from equation (3). In running Laurec ... discovery of a small error in the allocation of ages 2 and 3 in the age/length key used previously (Basson ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 49–79 : Author(s): Parkes, G.

5. Status of the krill stock around Elephant Island in 1991/92 and 1992/93

   ~ ~ K O H O M ~ P H O C T M pacnpeAeneHux Kpmx B p a i o ~ e o - ~ a 3 n e Q a ~ ~ BO BpeMR IoXHOrO ... pacnpeneneme p a l ~ e p ~ b ~ x Knaccos u c~aguf i n o n o ~ o 3 p e n o c ~ ~ KpHnx cornacyeTcs c ... npeAbIAywuMH onHcaaHsMa H npeAcTasnseTcs noBTopaIoquMcs H n p e ~ c ~ a 3 y e ~ b r ~ acneKToM sanaca Kpana B ... 3) and was associated with extremely low krill abundance. It was dominated by small krill with a ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 7–33 : Author(s): Loeb, V. and V. Siegel

6. The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)

   -unit-effort), GLM analysis, CCAMLR 3 Patagonian toothfish fishery in the Kerguelen Islands ... percentages of stages 1–2 (juveniles without developed gonads) and stages 3 to 5 (fish engaged in the annual ... at which 50% of fish are at stages 3 to 5. This calcula- tion was made for the 2003/04 data and for ... maturity stages during the year was studied to determine the spawning period. Mature animals (stages 3 to ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Author(s): Lord, C., G. Duhamel and P. Pruvost

7. Phytoplankton distribution in the mixed layer: implication to krill abundance

   section. Implementation of one-dimensional Lagrangian model is discussed in section 3. The last section ... ( 3 ) where a and ~ are canonical constants and k is the radian wave number. The spectrum shape has ... a sharp cut-off at both the energy containing eddy scale I and the Kolmogorov length scale 'Tl=(V 3 ... Lo=(cN-3)1/2 which is a scale of the largest eddy size in a stratified fluid. Stratification limits ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 331–356 : Author(s): Yamazaki, H. and T.R. Osborn

8. A simple approach for calculating the potential yield of krill from biomass survey results

   model for the length of kriU of age (a+t) years may be written: 208 { .e .. [ 1-e -(3(a+ot)] .e ... (a + t) = .e .. [ 1- e-{3(a+l)] O::;t::;l/o (2) Rosenberg et al.'s (op.cit.) fit to data ... also given in Appendix 1. 3. CHOICE OF PARAMETER VALUES The model developed in Appendix 1 has nine ... : M = 0.3; 0.6; 1.0 yi1 O'R = 0.2; 0.4; 1.0 Fixed values a. = 3, ~ = 3 and O's = 0.3 have been ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Author(s): Butterworth, D.S., A.E. Punt and M. Basson

9. Modelling variability and estimating power to detect change in Adélie penguin fledgling weights

   periods 2–4 but most fre- quently in period 3 (Table 1). Monitoring scenario Development of the models ... period TotalYear 1: 10–14 Feb 2: 15–19 Feb 3: 20–24 Feb 4: 25 Feb–1 Mar 5: 2–6 Mar 1: 1990 ... –1991 50 50 2: 1991–1992* 50 50 50 150 3: 1992–1993* 50 44 94 4: 1993–1994* 50 50 21 121 ... ). Estimates of the parameters A and B in equa- tion (2) were employed in equation (3) to estimate mean weight ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 191–200 : Author(s): Emmerson, L.M., C. Southwell and J. Clarke

10. A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica

    measured about 2–3 mm in dia­ meter. It was therefore necessary to use a micro- scope when extracting ... in years by adding 0.3. Interpretation of ‘annuli’ was very difficult for the first 2–3 zones. It ... year classes were: 0.5 mm (age group 1+); 0.8 mm (age group 2+); 1 mm (age group 3+). They then ... ; Hubold, 1984, 1985; Kellermann, 1986) and to the age groups (1+, 2+ and 3+). Growth parameters The ...

    Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 75–86 : Author(s): Sutton, C.P. and P.L. Horn

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