Résultats de la recherche

1. Status of the krill stock around Elephant Island in 1991/92 and 1992/93

   survey area (Figure 2). Between-cruise comparisons of stock composition and abundance are based on the ... approximately 3% of the total. Cluster 2 occupied the intermediate area and represented a mixture of the ... frequency distribution of cluster 2 shifted to even larger values than during January. Cluster 3 krill ... juveniles: subadults dominated and comprised >57% of the total (Figure 11). These subadults (2+ age class ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 7–33 : Auteur(s): Loeb, V. and V. Siegel

2. Distribution characteristics of krill aggregations in the fishing ground off Coronation Island in the 1989/90 season

   the fishery. 2. MATERIALS AND METHODS Investigations were carried out on board a fishing vessel ... trawl were evaluated for each of these time intervals (Table 2). Data on catch per hour trawling are ... 40 m, forming a dispersed sub-surface layer. Daily vertical migration was indistinct (Figure 2 ... = 5.8 hrs, 0'. = 2.5 hours. Wind force over this period dropped from 3.5 to 2 on the Richter scale ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 49–73 : Auteur(s): Kasatkina, S.M. and V.I. Latogursky

3. Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea

   original submitters of the data. SSMU Ai (x103 km2) i (g m–2) Ci (tonnes) Antarctic Peninsula Pelagic ... it s (S SM U s) in S ub ar ea s 48 .1 , 4 8. 2 an d 4 .3 . T he 1 0 00 m is ... a (A PP A ); (2 ) A nt ar ct ic P en in su la W es t (A PW ); (3 ) D ra ke P ... N E ); (1 2) S ou th O rk ne y So ut h E as t ( SO SE ); (1 3) S ou th G eo ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Auteur(s): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins

4. Patterns and processes in the distribution and dynamics of Antarctic krill

   and dynamics of krill and fin fish? 2. How important are biological factors such as predation and ... mid-Pacific, over the 2-50 km spatial scales, the range for which the best data are available for ... productivity can be modelled as, to a first approximation, a reflection of physical conditions. 2 ... Southern Ocean in austral summer 1981; the middle panels in Figure 2 indicate strong coherence in the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 281–299 : Auteur(s): Levin, S.A., A. Morin and T.M. Powell

5. Assessing the power to detect systematic change in Adélie penguin foraging trip duration

   the mth foraging trip for the kth member (k = 1 for female, 2 for male) of the jth pair in the ith ... variances 2sσ , 2 prσ , 2 pσ , and 2 tσ respectively. The variables are assumed to be independent ... ikmy f M s G e e= = + + + + for i = 1,2,…,a; k = 1,2,…,2ni; m = 1,2,…,rik (2) where the components ... ) and (2) were used to estimate variance components for the guard and crèche stages respectively. One ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 201–215 : Auteur(s): Southwell, C., J. Clarke and L.M. Emmerson

6. A comparison between otoliths and scales for use in estimating the age of Dissostichus eleginoides from South Georgia

   observer on board the longliner FV Kolyo Mar11 2 1 took samples from catches made between April and June ... 1-2-3 for Windows and SAS Version 4.0. To test the hypothesis that otoliths and scales give the ... of otoliths and scales in estimating toothfish age Table 2: Results from randomised block ANOVA ... scales, (b) readings by Reader 1 and Reader 2 for otoliths and scales. Readings Variance Mean CV (a ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 75–92 : Auteur(s): Ashford, J.R., S. Wischniowski, C. Jones, S. Bobko and I. Everson

7. Comparison of age readings from scales and otoliths of the Patagonian toothfish (Dissostichus eleginoides) from South Georgia

   range of this species extends to deeper than 2 500 m (Moreno, 1991), with the smallest specimens being ... AND METHODS Age 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2 1 22 23 ... calculated using the radius-age method (Aubone and Hemandez, 1996). RESULTS Mean S.R. 2 013.60 2 ... 764.36 1 894.60 2 122.08 2 526.24 2 072.69 2 470.50 1 529.85 1 593.63 1 838.90 2 173.46 2 ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 191–203 : Auteur(s): Cassia, M.C

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

   2. METHODS For the purposes of this analysis, I consider distributions of the morphometric ... - J,11 = ca [equation 1] and therefore a 1 o c (2) -=- and is independent of (J or ~. The sample ... necessary. True and apparent means of selected Adelie penguin characteristics are shown in Table 2. Bill ... corresponds to the mean of the combined sample, ~2, and ~ and ~' and (J and cJ' are the means and standard ...

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

9. Physical oceanographic setting of the Siedlecki January 1987, South Shetland Island data set

   Scotia Sea and remnants can be identified as far east as the Greenwich Meridian. 2. SIEDLECKI, 1986/87 ... the Bransfield Straits. 2.4 Group #2 South of Elephant Island This area (Figure 7) is similar to ... cluster of stations centered at 60° 50'S and 55° 45'W (as well as station 217 in group #2). 2.6 Group ... Siedlecki data within group #3 and at station 217 of group #2 reveal the presence of blends of Pacific deep ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 161-184 : Auteur(s): Gordon, A.L.

10. [node:field-journal-volume]:37-51

    value was attributed to each age estimate, as follows: 1. certain count 2. uncertainty of ±1 year 3 ... . uncertainty of ±2 years 4. uncertain count of more than ±2 years 5. unreadable. All otoliths were read ... scale for both males and females: 1. immature 2. maturing 3. ripe 4. running ripe 5. spent. Data ... size class at which more than 50% of the fi sh sampled were at maturity stage 2 or greater. The ...

    Science Journal Paper : 37–51

Pages