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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 ... were at least 4 years of age when tagged. However, age-specifi c fecundity for younger birds was ... mean (z = 3.031, p = 0.002) (Figure 4). Adult survivorship was analysed similarly to that of chicks ... at least 4 years of age when fi rst tagged as adults (see next section). Thus ‘age- specifi c’ data ...

   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. Length-based assessments revisited – why stock status and fishing mortality of long-lived species such as toothfish cannot be inferred from length-frequency data alone

   (4) max 1.1 opt L mega l L P P= å (5) where Pl is the proportion of fish in a particular ... function was dome-shaped and selected immature fish between the age of 4 years and the age of 50 ... toothfish population dynamics Scenario 1 (Base case) 2 3 4 5 Von Bertalanffy growth parameters ... to be lower (M = 0.10) and higher (M = 0.16) respectively, and for scenarios 4 and 5, K was assumed ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 57–73 : Author(s): Ziegler, P.E., D.C. Welsford and A.J. Constable

3. Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea

   - phologic coefficients were calculated according to equations (3) and (4). For high frequencies (i.e. 1 ... backscattering cross-section of the fish body is: σbody/4π. The core of the vertebral column was approxi ... both ex situ experiments: mean sA from noise <10–4 mean sA from small single fish (120 mm). The ... < 0.05) related to fish total length at 38, 120 and 200 kHz (Figure 4). The best-fit (least-squares ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 75–104 : Author(s): Azzali, M., I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi

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

   angle φ (i.e. Demer and Conti, 2003): 12 1 1 2 ( ) ( ) e 4 J (2 cos ) d cos pos j pos i bs ... Lf N N f Lϕ ϕ = . (4) The length ratio in both the equations (4) is used to scale the digitised ... (Hewitt et al., 2002), Conti and Demer (2006) found that the θ 0 = N [11°, 4°] distribution of ... Ta bl e 3 re f. 1 · 1 0– 3 1 Fa tn es s fa tn es s 1. 4 4 Fr eq ue nc y ...

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

5. The utilization of seabird censuses for krill monitoring

   attached to the variables of our interest (figs. 1-4). This approach might prove to be significant to ... . 4. A monitoring minimum approach can be outlined i) To identify areas where bird observations ... 51.27 4 .48580 23.61 88.79 .46305 18.54 69.81 5 .17237 8.38 97.16 .30425 12.18 81.99 - 409 - 1 ... Figure 4 - 412 - - - - - - - - - - 'vli'~ - Wi:; jV2B S')I~ 50015002 50;.5('60 PN,V 'KKr500 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 393-425 : Author(s): Marschoff, E.R., J.G. Visbeek and L.R. Fontana

6. The Soviet krill fishery in the Atlantic Sector of the Antarctic from 1977 to 1991: fishing effort distribution and interannual patterns

   ff or t (v es se l- d ay s fi sh ed ) 19 77 12 2 53 4 10 6 79 4 10 5 04 9 ... 79 38 6 25 6 32 1 34 4 34 9 82 5 32 1 19 6 4 51 6 19 80 47 7 18 6 35 6 ... 97 8 44 0 51 6 35 6 75 2 3 89 9 19 81 44 8 13 2 28 8 86 8 42 0 43 4 28 ... 5 11 7 3 81 5 19 82 52 8 69 9 37 4 08 0 49 1 65 6 36 8 18 2 3 21 2 19 ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 1–13 : Author(s): Litvinov, F.F., V.A. Sushin, G.A. Chernega and O.A. Berezhinsky

7. Distribution and size of Antarctic krill (Euphausia superba Dana) in Polish commercial catches taken in the Atlantic sector of the Southern Ocean from 1997 to 1999

   the ship’s log were used to determine krill distribution. A WP/42+42/94 x 4 pelagic trawl with 20 mm ... m3 and from 4 756 to 31 370 specimens/1 000 m3 in February and April respectively. At night ... lower than during the day (Figure 4). The most stable concentrations were observed in the Elephant ... 529 1 168 236 4 322 South Shetlands 1997 May 186 685 864 11 8 979 June 43 571 509 ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 83–105 : Author(s): Jackowski, E

8. Marine mammals and demersal longline fishery interactions in Crozet and Kerguelen Exclusive Economic Zones: an assessment of depredation levels

   EEZ Number % Number % No marine mammals 373 28.5 2 839 45.3 A. spp. 4 0.3 1 313 21.1 Oo 178 13.6 ... 7 0.1 Pm 361 27.6 944 15.1 Oo + A. spp. 0 0 1 0 Pm + A. spp. 4 0.3 1 148 18.3 Pm + Oo 386 29.5 11 ... N o M M -P m + A . s pp . 1 2 50 4 23 1 18 5. 6 (1 18 .4 ) 24 4 23 2 60 99 .6 ... (1 7. 0) 3 2 44 8 92 1 18 5. 3 (1 09 .2 ) 25 0 13 6 10 3 12 2. 7 (1 19 .4 ) 13 ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 67–82 : Author(s): Roche, C., C. Guinet, N. Gasco and G. Duhamel

9. Analysis of albatross and petrel distribution within the CCAMLR Convention Area: results from the Global Procellariiform Tracking Database

   -browed albatross from the Kerguelen Islands and South Georgia (Figure 4); light-mantled albatross from ... data correspond only to the closed period (Table 4), meaning that results from such an analy- sis ... Shelf by Argentine longline fishing vessels, 1999–2001. Bird Conservation International, 13 (4): 273 ... . Ant. Sci., 4 (4): 393–398. Nel, D.C., J.R.E. Lutjeharms, E.A. Pakhomov, I.J. Ansorge, P.G. Ryan and ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 143–174 : Author(s): BirdLife International (prepared by C. Small and F. Taylor)

10. By-catch of fish in the krill fishery

    cruises is set out in Tables 3 to 4 for Subareas 48.3, 48.2 and 48.6 respectively. Estimated numbers of ... the icefish, Champsocephalus gunnari, taken in each tow at South Georgia are set out in Table 4 ... numbers. 4. DISCUSSION 4.1 General Considerations The two icefish species C. gunnari and C ... k 1 m n Cruise of RV Akademik Knipovich in 1981 47 10 4 54 54 34 50 230 255 45 40 30 845 2.00 48 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 381–401 : Author(s): Everson, I., A. Neyelov and Y.B. Permitin

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