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1. Demographic characteristics of the Adélie penguin population on Béchervaise Island after 12 years of study

   have been resighted by age 4 years). Mortality rates were calculated as 1 - px, assuming minimal ... Table 1. Exponential curves of the form Nx = (N0)erx were fi tted to each set of counts to determine ... at year 0, x is years and r is the annual rate of population increase (Figure 1). In terms of ... year (Table 1). Breeding success was calculated in terms of chicks per nest with eggs for each season ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 53–74 : Author(s): Clarke, J., L.M. Emmerson, A. Townsend and K.R. Kerry

2. Sensitivity investigation of the SDWBA Antarctic krill target strength model to fatness, material contrast and orientation

   detail in Appendix 1 for interested CCAMLR users. Theory Morse and Ingard (1968, equation 8.1.20 ... angle φ (i.e. Demer and Conti, 2003): 12 1 1 2 ( ) ( ) e 4 J (2 cos ) d cos pos j pos i bs ... j r j tilt pos tilt kf a k a κ ρφ γ γ β β - ×= -ò k r r     (1) where km = 2πf ... /cm is the wave number in the medium m with the subscripts 1 and 2 refer- ring to the surrounding ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 97–122 : Author(s): Calise, L. and G. Skaret

3. 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

   0.13 y–1 rather than estimate this parameter jointly with other model para meters. The use of a fixed ... M of 0.13 y–1 in Hillary et al. (2006) was based on Beverton-Holt invariants. The estimate of M ... used for the Antarctic toothfish was also 0.13 y–1, where this value was based on an analysis of ... ), also applied an M of 0.13 y–1. Since then attempts to estimate M in the different datasets/models for ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 29–45 : Author(s): Candy, S.G., D.C. Welsford, T. Lamb, J.J. Verdouw and J.J. Hutchins

4. Evaluation of the results of trawl selectivity experiments by Poland, Spain and USSR in 1978/79, 1981/82 and 1986/87

   SC-CAMLR-VIII/BG/20 Rev. 1 EVALUATION OF THE RESULTS OF ... el Area Estadfstica 48. 1. INTRODUCTON Available data on the selectivity of various trawl ... (Figure 1). It should be noted, that the selection curve for 7 mm twine is not well defined and SF point ... in Figure 1 is only a rough estimate. The effect of catch rates on fish selection cannot be ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 163–196 : Author(s): Slosarczyk, W., E. Balguerias, K. Shust and S. Iglesias

5. Guidelines for the preparation of hydroacoustic survey reports on krill

   LA PREPARATION DES RAPPORTS SUR LES ETUDES HYDROACOUSTIQUES DU KRILL 1. L. Kalikhman (U .R. S. S ... @, Y,lJ;OBneTBopflTb OO~HM TpeoOEaHHflM K peHCOBHM OT~eTaM [1], C ,Il;PyrOH - B rronHoH Mepe oTpa~aTb ... OpI'aHHSOBaH no peweHHID MHHpbI6xosa CCCP. MapWPYTHaR cxeMa peltca npHBe,D;eHa Ha pHC. 1. rH,D ... /X11 11-14/1 15-18/1 19-20/1 21/1-10/11 11/11-19/111 20/111 21/111-21/1Y 22/1Y 22-26 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 165-193 : Author(s): Kalikhman, I.L.

6. A first step towards modelling the krill–predator dynamics of the Antarctic ecosystem

   - tury, large baleen whale species were depleted sequentially, some almost to extinction (Figure 1 ... reduced by harvesting to about 1–5% of their estimated pre-exploitation abundance, depending on the ... ______________________________________________________________________ 1 Much of the harvesting in the Antarctic takes place during an austral summer season. The ... Ocean in 1957 over the December–February period, 266 blue, 1 429 fin, 527 humpback but only 81 minke ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 217–277 : Author(s): Mori, M. and D.S. Butterworth

7. An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands using CASAL

   CCAMLR Science, Vol. 15 (2008): 1–34 1 An ... -at-age data (i.e. estimated parameter σ in Candy et al., 2007, Table 1). In order to investigate ... , 2007b, paragraph 4.6(ii)) noted that the CV in year-class strength (YCS – number of annual age-1 ... recruits relative to the median pre- fishery age-1 annual recruitment, R0), CVR, was found in sensitivity ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 1–34 : Author(s): Candy, S.G and A.J. Constable

8. The sensitivity of multiple output statistics to input parameters in a krill–predator–fishery ecosystem dynamics model

   (SSMUs) proposed by Hewitt et al. (2004) (Figure 1). During its development, this model was variously ... required 2 311 separate inputs for each of four alternative scenarios (Table 1). The word scenario here ... initialisation, conditioning, Table 1: Summary of the types of model input specified by Watters et al. (2013 ... Vectors 10 15 4 2 1200 Krill – general Vectors 2 18 1 36 Krill – seasonal Vectors 4 18 1 2 144 Catch ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 97–118 : Author(s): Hill, S.L. and J. Matthews

9. On the intensity of sampling krill trawl catches

   krill? 1. INTRODUCTION At its first meeting in June 1989, the CCAMLR Working Group on Krill (WG ... measured until 50 animals in a single 1 mm size class were obtained. The length measurement used was that ... formulae for these various procedures are given in Appendix 1. The length measurement procedure and ... collected at the South Orkneys and Elephant Island respectively are given in Figure 1. The data in this ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 29–48 : Author(s): Miller, D.G.M.

10. Homogeneity of Adélie penguins as krill samplers

    depredadores. 1 Instituto Antartico Argentino, Cerrito 1248, 1010 Buenos Aires, Argentina 2 Facultad de ... Buenos Aires, Argentina 253 1. INTRODUCTION The size of krill eaten by penguins is probably an ... ). Sources of variation were arranged in a nested ANOV A as follows: Level 2: Level 1: Level 0 ... (Level 1) and 1 062 individual specimens of krill measure (Level 0). Table 1 shows the date of ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 253–257 : Author(s): Marschoff, E. and B. Gonzalez

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