Résultats de la recherche
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Observations on haul-out patterns and trends in the breeding populations of southern elephant seal at Península Valdés (Patagonia) and Stranger Point (25 de Mayo - King George I.)
corresponding to 27/10, rank ± 3 to Stranger Point and to 30/9, rank ± 5 to Peninsula Valdes. Besides, the ... duration of the breeding season in Stranger Point was 10 days shorter (average) than Peninsula Valdes. In ... the basis of a single census, at Stranger Point this should be carried out after the 30/10 (27/10 ... plus the 3-days rank), and at Peninsula Valdes after the 5/10 (30/9 plus 5-days rank). Here the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 453-463 : Auteur(s): Vergani, D.F., M.N. Lewis and Z.B. Stanganelli
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Towards the development of a management plan for mackerel icefish (Champsocephalus gunnari) in Subarea 48.3
. 10 years. Management Plan for C. gunnlzvi in Subarea 48.3 NATURAL MORTALITY Following the ... : Probability of stock biomass dropping below 20% of the unexploited median level over a 10-year period ... SBISB, - - - - . Y? Figure 4: Ratio of median stock biomass after 10 years to median stock biomass in ... mortality also increases the probability that at some point in a 10-year projection the population will be ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 63–77 : Auteur(s): Agnew, D.J., I. Everson, G.P. Kirkwood and G.B. Parkes
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Evaluation of the results of trawl selectivity experiments by Poland, Spain and USSR in 1978/79, 1981/82 and 1986/87
Notothenia gibberifrons, Tables 9, 10 and 11 Fish length distribution was different in 1978/79 and 1986/87 ... this species. One conclusion emerges, however, from information shown in Tables 9, 10 and 11. All ... commercially used codends is on the average 10% greater than the nominal mesh size (Zaucha, 1988), the ... Range Codend Cover 68 (70)(1) 3.11 21.3 22; 33 10 - 51 379 329 125 (120)C(2) (2.56)e (32)e 38 31 - 47 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 163–196 : Auteur(s): Slosarczyk, W., E. Balguerias, K. Shust and S. Iglesias
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The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a simulation model
); and • catch rates sometimes varied in an almost cyclic way, by a factor of 10 or more. The catch ... the chance of more than 5% over-shoot but increases the chance of greater than 10% over-shoot. The cv ... mean and SD over-shoot = 0.0071 and 0.029 respectively, and a probability of >5% and >10% over-shoot ... catch=O.5% of T AC par day • 1% ofTAC/day O.S J:I 2"10 of TAC par day Cl C . 'c:;~ -;:f- C3 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 81–97 : Auteur(s): Agnew, D.J.
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Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey
10 especificado en la Cuarta reunion, reduce considerablemente la probabilidad de que la biomasa ... that there is a 10% probability that incorporate some of the further amendments the krill spawning ... , ) for tl <_l! e, = e:: + W, / 2 (3) where ty from U [38,42] mm with W, = 10 mm, and ... ) requested that statistics be provided for a 10- as well as a 20-year period of harvesting. Calculations ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Auteur(s): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew
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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.
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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.
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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
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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.
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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.