Résultats de la recherche

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

   menos de 600 aves. Por 10 tanto, en casi todos los regfmenes nonnales de muestreo se puede utilizar ... procedimiento bastante dudoso, por 10 que se recomienda - como un criterio mas valedero - el uso de una funci6n ... reliably detect a 10% change in the mean is greater if single sexes are considered than if the sexes are ... = 0.021 from equation 6. Therefore, if we observe a change in the mean of 10%, 2.1 % of this may be due ...

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

2. On the intensity of sampling krill trawl catches

   krill de las capturas comerciales deberan efectuarse, en 10 posible, por un s610 obseryadorlbuque ... madurez; • en general, se necesita un tamafio de muestra minimo de por 10 menos 100 especimenes por ... statistical analyses outlined above were repeated for samples collected from 10 different localities within a ... different sample sizes taken from 10 localities within a single trawl are shown in Figure 6. Both a nested ...

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

3. The influence of bait quality on the sink rate of bait used in the Japanese longline tuna fishing industry: an experimental approach

   treatment (e.g., small, frozen, saba) the descent time of 10 baits was measured to a depth of 3 m in a ... the effect of added weight (sinkers) on the sink rates of bait. Lead sinkers weighing 10 g, 20 g, 30 ... frozen baits floated. This distinction did not apply consistently to all samples of aji-l. Of the 10 ... size category Figure 1: Mean sink time and standard deviation for 10 baits from both large and small ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 123–129 : Auteur(s): Brothers, N., A. Foster and G. Robertson

4. Management and uncertainty: the example of South Georgia

   would probably take two whole generations i.e. about 10 years (BIOMASS report Table 2). The more ... (e.g. 10 million) - giving a Y/R of 500 to 800 gms, and a total yield of 5-8 thousand tons. It might ... ages over 10 years and 19% over 20 years. The short lived fish were mostly small fish like anchovy ... the next 10 years. If recent year-classes are not quite so bad, say no worse than that of 1978, then ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 341-353 : Auteur(s): Gulland, J.A.

5. Prey monitoring surveys: a discussion of the characteristics necessary in prey surveys

   time taken to travel between pairs would be minimised. Assuming a constant survey speed of 10 knots ... , then about three transects per day could be surveyed. This would permit a set of 10 transects to be ... surveyed in random order so as to minimise bias, e.g. 9+10, 5+6, 1+2, 3+4, 7+8. Tableau 1 Figure 1 ... hasard afin de minimiser tout biais, par ex. 9+10, 5+6, 1+2, 3+4, 7+8. Encabezamientos de las Tablas ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 377-391 : Auteur(s): Everson, I.

6. Standardization of fishing effort for Champsocephalus gunnari in the South Georgia area (Subarea 48.3)

   (tonnage class 10) in October which used bottom-fishing gear. The multiple coefficient of correlation is ... Number of Observations 1 3 Intercept 1.751 0.233 103 2 2 3 10 4 10 5 1983 1 1 1 -3.332 0.720 3 ... 0.653 1 11 7 0.230 0.164 19 4 1 8 -0.099 0.252 12 2 9 0.029 0.284 7 3 10 -0.056 0.268 7 4 11 ... Numbers: 3 2 10 10 Year Total Catch Catch Rate Prop. Mean SE Effort 1981 29464 0.249 2.083 0.765 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 327–336 : Auteur(s): Gasiukov, P.S.

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

   observers in 10 mm bins. In the model, these length-frequency (LF) data were aggregated into 100 mm bins ... 3 T ra w l B (f 2) E ar ly (s 1) 0 0 0 29 69 19 62 10 28 29 0 14 7 ... 10 12 29 92 3 15 93 61 2 11 6 61 6 15 4 T ra w l B (f 2) L at e (s 3 ... 1999 58 6 2000 24 71 48 2001 10 19 94 74 2002 10 2 65 56 84 2003 3 1 11 ...

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

8. Preliminary model of krill fishery behaviour in Subarea 48.1

   Preliminary Model of Krill Fishery Behaviour (l0 longitude by 0.5" latitude) and temporal blocks of 10-day ... index and e x , = catch-per-unit-effort (tonnes-per-hour). t is a product of the number of 10-day ... that a vessel normally fishes in a 10-day period. Chilean data over 1989 to 1992 showed that the ... 89.6 hours per vessel per 10-day period (number of 10-day-periods = 22, SD 30.4). The total time ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 71–79 : Auteur(s): Agnew, D.J. and V.H. Marín

9. Bias in the estimation of krill yield from using a deterministic formulation of the median unexploited spawning biomass

   la explotacion y por 10 tanto no requiere correccion. Este trabajo examina 10s efectos de las ... large number, say 10 001, of replicate determinations of the pre-exploitation biomass). Thus, no ... , while the second set used 10 001 replicate random initial age structures to estimate S,,. Two types ... ) and from 3 10 001 randomised starts. Three criticallhvels of depletion are examined as proportions of ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 1–8 : Auteur(s): Constable, A.J. and W.K. de la Mare

10. Cephalopods: Trophic modelling of the Ross Sea

    % small demersal fishes; 5% silverfish; 5% pelagic fishes; 5% cephalopods (cannibalism); 10% E ... . crystallorophias; 15% E. superba; 10% other macrozooplankton; 30% mesozooplankton; 5% megabenthos; 10 ... intake of about 10% per day (see Wells & Clarke 1996 and references therein). Pecl et al. (2004) uses ... lead to P/B value for adult arrow squid (>10 cm ML) of 3.1 y-1. The von Bertalanffy growth parameters ...

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