Résultats de la recherche

1. Low genetic diversity and temporal stability in the Antarctic toothfish (Dissostichus mawsoni) from near-continental seas of Antarctica

   locations, or between samples collected in consecutive years, were observed. These results, based on ... products: melt- ing at 92°C for 20 sec, annealing of primers at 55°C for 40 sec, DNA syntheses at 72°C for ... . 41 7 0. 30 0 0. 33 3 0. 25 0 0. 30 8 0. 25 0 0. 31 5 0. 30 0 TP I:1 27 N 18 ... 17 22 10 18 21 24 21 20 A 0. 00 0 0. 00 0 0. 00 0 0. 00 0 0 ... 24 21 20 G 0. 86 1 0. 94 1 0. 97 7 0. 95 0 0. 83 3 0. 95 2 0. 91 7 0 ...

   Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 1–9 : Auteur(s): Mugue, N.S., A.F. Petrov, D.A. Zelenina, I.I. Gordeev and A.A. Sergeev

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

   Type I and Type II errors. Lack of knowledge about the sex ratio between years makes combining the data ... met (Klecka, 1980): (i) no characteristics were linear combinations of each other; (ii ... equal variance and equal numbers of males and females in the sample. The first condition was met in ... changes may be masked. For instance, if all females are sampled one year, and all males the next, then ... of up to 20%, a very serious situation (Type II error). 6. DISCUSSION It is apparent that it ...

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

3. Telemetry monitoring of ecological resources

   the application where a radio marker beacon is attached to an animal and the animal then relopated ... closure. If the animal is not active the clock will not be reset and the clock sends an output after a ... on birds for short-term applications. Usual life of adhesive attachment on birds is about 30 days ... with adhesive will be lost during the animals molt and thus have a useful life of a year or less ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 495-511 : Auteur(s): Kuechle, V.B.

4. Spatial distribution of management measures, Antarctic krill catch and Southern Ocean bioregions: implications for conservation planning

   with similar distributions across the Convention Area. 0 5 10 15 20 25 30 35 0 2 4 6 8 10 12 ... biore- gion defined on the basis of long-term (up to 30 years) averages of time series (Grant et al ... (e.g. Margules and Pressey, 2000; Pressey et al., 2007; Ardron et al., CCAMLR Science, Vol. 20 (2013 ... FSRs may have been fished only once, while others have large catches reported every year. These ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 1–19 : Auteur(s): Grant, S.M., S.L. Hill and P.T. Fretwell

5. Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed distribution around South Georgia

   restricted area of about 30 x 20 km. There were also a few isolated hauls made outside this area. During ... enregistrees dans le secteur de la Georgie du Sud. L'analyse de ces donnees met en evidence une variabilitk ... than a few weeks in a year and at other than a local scale. Krill population dynamics operate over ... year and it is those data that have been used in this study. The following new dataset was also ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Auteur(s): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt

6. 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

   obtained using proportions-at-length and fishery- and year-specific age–length keys (ALKs) for years 1998 ... in R, based on alternative ordinary differential equations (ODE) for within-year population dynamics ... 0.05 0.10 0.15 0.20 0.25 0.30 -5 30 0 -5 25 0 -5 20 0 -5 15 0 -5 10 0 -5 05 0 -5 00 0 -4 95 ... = 3.05 indicates over-dispersion relative to a Poisson. 0 10 20 30 40 50 0 50 10 0 15 0 Bin Mean ... al v ar ia nc e 0 20 40 60 0 10 20 30 40 50 Expected Recaptures O bs er ve d re ca pt ... Poisson. 0 10 20 30 40 50 0 50 10 0 15 0 Bin Mean Expected Recaptures B in R es id ua l V ar ia ...

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

7. Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast

   50~-------------------------------------------- 40 30 20 10 0 40 50 40 30 20 10 ... , 1898) in Chile started as early as 1955, the year in which the exploration of the continental slope ... size 14/0 I 100 1 10 1 20 130 1 40 150 1 60 1 70 1 80 _ = hook size 3 & 4 [Z] = hook size 14/0 ... Regions VIII et X du ChilL L'analyse statistique par le test de Kolmogorov-Smirnov met en evidence des ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 107–119 : Auteur(s): Moreno, C.A.

8. Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines

   aimed at providing two indirect methods of assessment of depredated biomass over an 11-year period (2003 ... biomass over an 11-year period (2003 to 2013), accounting for spatial variations of depredation levels ... sub-Antarctic Front (Figure 1). The Patagonian toothfish fishery operates year-round, but within the ... 57.2 ± 6.4 79 16 11 568 511 1 679 ± 74 j,k,l 39.2 ± 2.7 105 26 30 683 633 2 568 ± 82 , , ,i j k ... , represented less than 20% of all cells (Cd + Cu). Out of 145 cells in total, 83 were used for killer whales ...

   Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Auteur(s): Gasco, N., P. Tixier, G. Duhamel and C. Guinet

9. Diet study of Antarctic toothfish caught in the east Antarctic based on stomach content, fatty acid and stable isotope analyses

   ° 95°E Sampling site 5841C 0 1 2 3 4 5 6 0 10 20 30 (32) Cu m ul at iv e n um be r o f ... a lesser extent squid. FA profiles in muscle tissues of Antarctic toothfish were Park et al. 30 ... , 1987; Michener and Schell, 1994). δ13C in an animal usually occurs within 1‰ compared with that of ... (14%). The mixture was shaken, sealed under nitrogen and then heated on a hot block at 100°C for 30 ...

   Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 29–44 : Auteur(s): Park, H.J. , I. Yeon, E. Han, Y.J. Lee, S.M. Hanchet, G.W. Baeck, Y. Kwon, S.G. Choi, D.W. Lee and C.K. Kang*

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

    year, but there was no evidence that the rate of decline differed between years. A consequence of this ... statistical models were developed from first principles and incorporated both within- and between-year ... at a single time each year, without substantial loss of power to detect change. Further modelling ... the number of birds weighed in each five-day period from 50 to 30 without substantial loss of power ... birds, or (c) 30 birds each year. Change detected for three to five years of monitoring after change ... of post-impact monitoring sce- narios including numbers of fledglings weighed each year (30, 50 and ... than 30 birds each year. This is the case for both one- and two-tailed tests with a power greater ... % change 0 4 8 12 16 20 0.0 0.2 0.4 0.6 0.8 1.0 c) 30 birds % change (a) (b) (c) % change% change ...

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

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