Résultats de la recherche

1. Improving estimates of Adélie penguin breeding population size: developing factors to adjust one-off population counts for availability bias

   declined from 637 on 9 January to 39 on 16 February 2008 (Figure 4). The island-wide AO nest count on 30 ... November 2007 was 1 959. Figures 2–4 show fitted models (solid line) and approximate 95% confidence ... 1 Nov 16 1 Dec 16 1 Jan 16 1 Feb 16 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 0 10 20 30 40 50 60 ... Camera 2 16 1 Nov 16 1 Dec 16 1 Jan 16 1 Feb 16 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 0 10 20 30 40 50 ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 229–241 : Auteur(s): Southwell, C., J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery

2. Integrating Count Effort by Seasonally Correcting Animal Population Estimates (ICESCAPE): a method for estimating abundance and its uncertainty from count data using Adélie penguins as a case study

   in a reported count can be imposed by the user where none exists. 4. Availability fractions are ... 2 3 4 5 6 7 a b c d . . . . . . . 1 0.9 0.8 min DF 0.6 1 0.8 max Date uncert ... 2 3 4 5 6 7 a b c d Figure 1: Representation of the ICESCAPE estimation procedure. The ... instead of summed (see point 1 above). 4. The 100.(1 – alpha)% confidence interval is determined by ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 213–227 : Auteur(s): McKinlay, J., C. Southwell and R. Trebilco

3. New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf of the Kerguelen Islands

   December each year (Figure 4), suggesting a brief planktonic phase. However, mean abundances varied ... cm) of November 1989. Stage 4 (spawning condition) fish are only found in samples taken during the ... Kerguelen Shelf Sp. 89 Au. Sp. Au. Sp. Au. Sp. 92 Su. Wi. Su. Wi. Su. Wi. seasons Figure 4: Relative ... are not comparable, are respectively 32 300 and 4 790 individuals per fishing hour. The index shows ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 21–34 : Auteur(s): Duhamel, G

4. Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)

   estimated age is linear and intercepts the axes close to the origin (Figure 4). There is no overlap ... is linear and intersects the axes relatively close to the origin (see Figure 4). Similar ... , cited by Eastman and DeVries, 2000) captured D. mawsoni 4–6 cm long in January and suggested that ... distribution of aged fi sh from the South Shetland Islands survey sample by year class. 0 1 2 3 4 5 6 ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 125–138 : Auteur(s): Horn, P.L., C.P. Sutton and A.L. DeVries

5. Assessment of krill flux factors in waters of South Orkney Islands during summer 1996

   CCAMLR Science, Vol. 4 (1997): 195-204 SHORT NOTE ... , which was divided into integration layers of 25 m. The integration interval was 4 n miles. Krill ... - per n mile. Section NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Mean Krill ... to 23 February 1996). Section No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CL ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 195–204 : Auteur(s): Kasatkina, S.M., V.N. Shnar, M.I. Polischuk, A.M. Abramov and V.A. Sushin

6. Can we use discriminant function analysis to sex penguins prior to calculating an index of a morphometric characteristic?

   a discriminant function based on bill dimensions for sex determination. 4. EFFECT OF COMBINING ... mean 1l2, a2 is required: 02 (4) since we are looking for a combined change k in males and females ... ba = k(1l + aa) substituting equation (3) bA = l+kaA substituting equation (4) (5) We can ... (4) and (5), and the corresponding sample size necessary to detect a 10% change in the mean with 80 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 259–272 : Auteur(s): Agnew, D.J.

7. Patagonian toothfish in international waters of the Southwest Indian Ocean (Statistical Area 51)

   were males and 81 females. Approxi- mately 50% of individuals of both sexes were at stages 4 (ripe or ... 50.11 kg/thousand hooks. The total CPUE was 42.21 kg/thousand hooks. Figure 4 illustrates the CPUE ... 120 Figure 4: CPUE distribution of single sets in relation to latitude (a) and depth (b). (a) (b ... et Lena. Figure 3: Sex ratio chez Dissostichus eleginoides selon la taille. Figure 4: Distribution ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 207–214 : Auteur(s): López Abellán, L.J

8. By-catch of fishes captured by the krill fishing vessel Chiyo Maru No. 2 in Statistical Area 58 (January to March 1995)

   By-catch of All Fish Species Combined No. 1 2 55 8 34 3 3 42 1 3 24 1 41 4 ... tonne of krill sampled. - L 2 0 5 . V) 3 5 U'.. .z 0 V) 0 V ) . 5 * 0 4;' v C - -1.5 ... 0.5 1 .O -2 -1 0 1 2 Quantiles of standard normal Quantiles of standard normal Figure 4: Normal q ... -Jul 1992 48.3 < 300 4 C. gunrzari, L. larsetzi 18 0.1 - 5.0 unclear Iwami 1993 ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 111–123 : Auteur(s): Watters, G

9. Seasonal and inter-annual variability in the distribution of Electrona carlsbergi in the southern Polar Front area (the area to the north of South Georgia is used as an example)

   , 1987) they occurred to the south of 500S (Figures 1 to 4). In summer 1988 (December) the areas of ... (x103 tonnes) Density (xl()3 square mile) (x103 tonnes per square mile) October to 54.1 743 4 - 145 ... * November, 1987 13.8** December, 1987 73.1 2944 6- 284 40.2 March to April, 85.7 911 4 - 87 1988 10.6 ... June, 1988 95.1 526 4 - 19 5.5 October to 95.6 810 3 - 61 November, 1988 8.5 April to May, 1989 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 337–367 : Auteur(s): Kozlov, A.N., K.V. Shust and A.V. Zemsky

10. The error of the biomass estimate as a function of survey parameters and the statistics of a density field of krill aggregations

    .ii =0) t and at i =J j all values of A ('Zz,j) are practically zero, so from (4) we obtain: (5 ... of (4), 4) can be rewritten in the form! (6) Hydroacouetic ... integral of AT over correlation radius, we obtain out of (1) and (4) : Since estimate of average density ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 213-228 : Auteur(s): Kizner, Z.I.

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