Résultats de la recherche

1. Species identification and age estimation for the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea

   and Atmospheric Research (NIWA). Two species were found, Macrourus whitsoni and M. holotrachys. A ... previously aged sample from 1999 was confirmed as being solely M. whitsoni, based on otolith comparisons and ... the geographic source of the aged sample. Counts of translucent zones were made from baked and cross ... Paper Title:  Species identification and age estimation for the ridge-scaled macrourid (Macrourus ... 40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 45 50 55 60 Age (years) To ta l l en gt h ... % 80% 90% 100% 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 ... maturing. 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 12 13 14 15 16 17 18 19 20 21 22 23 24 25 ... linear regressions. Males y = 0.3287x + 0.511 R2 = 0.865 n = 552 0 10 20 30 40 0 20 40 60 80 100 ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 37–51 : Auteur(s): Marriott, P., P.L. Horn and P. McMillan

2. 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 ... : further evidence and the relation between δ15N and animal age. Geochim. Cosmochim. Acta, 48 (5): 1135 ... −22.0  0.2 16.4  0.7 6 Park et al. 42 60° 61° 62° 63° 64° 65° 66° S 90 ... a lesser extent squid. FA profiles in muscle tissues of Antarctic toothfish were Park et al. 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*

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

   40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 45 50 55 60 Age (years) To ta l l en gt h ... % 80% 90% 100% 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 ... maturing. 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 12 13 14 15 16 17 18 19 20 21 22 23 24 25 ... linear regressions. Males y = 0.3287x + 0.511 R2 = 0.865 n = 552 0 10 20 30 40 0 20 40 60 80 100 ...

   Science Journal Paper : 37–51

4. Krill distribution in the western Atlantic sector of the Southern Ocean during 1983/84, 1984/85 and 1987/88 based on the results of Soviet mesoscale surveys conducted using an Isaacs-Kidd midwater trawl

   characterised by a change in biomass of more than two orders of magnitude in different seasons, was observed in ... " 50" 45" 40" 35" 30" Figure 4: Krill diskibution (g/ l 000 m3) in strata 0 to 100 m, 20 January to ... currents (relative to the 1 000 dbar), 20 January to 9 March 1988. 60" 55" 50" 45" 40" 35" 30" Figure 7 ... needed to obtain such material. Previous surveys carried out annually over nearly 20 years covered only ... characterised by a change in biomass of more than two orders of magnitude in different seasons, was observed in ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 59–70 : Auteur(s): Sushin, V.A. and K.E. Shulgovsky

5. Effects of weather and sea-ice on the reproductive performance of the Adélie penguin at Edmonson Point, Ross Sea

   0 10 20 30 40 50 60 70 80 W in d s p e e d ( k n o ts ) n = 97 n = 76 ... /99 0 2 4 6 8 10 12 14 16 N u m b e r o f d e a d c h ic k s 0 10 20 30 40 ... 2 4 6 8 10 12 14 16 N u m b e r o f d e a d c h ic k s 0 10 20 30 40 50 60 ... 2002. (a) (c) (b) 30 0 30 60 90 ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 99–109 : Auteur(s): Olmastroni, S., F. Pezzo, V. Volpi and S. Focardi

6. Length-based assessment for mackerel icefish (Champsocephalus gunnari) at South Georgia

   the given harvest control rule to set a two-year total allowable catch (TAC). One issue is the ... model (GYM) packages, which derives population numbers-at-age and projects these numbers forward under ... accurate identification of age cohorts from the survey data. In this paper a length-based approach is ... population numbers-at-length. A comparison of this method and the existing age-based CMIX/GYM methodology ... resultant two-year TAC), will be in a length- not an age-structured paradigm. In such a length-based ... these numbers forward under the given harvest control rule to set a two-year total allowable catch ... target harvest rate a two-year total allow- able catch (TAC) is obtained. Given that this process ... Length (cm) 10 20 30 40 50 60 Figure 1 ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 129–137 : Auteur(s): Hillary, R.M., C.T.T. Edwards, R.E. Mitchell and D.J. Agnew

7. A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia

   spinosissima, which has been harvested by a new fishery around South Georgia (Subarea 48.3) since 1992. One of ... , incorporating two scenarios for the stock-recruit relationship of the host: (i) resilience; and (ii) sensitivity ... captures the main characteristics of the system. An age-based host-parasite model is constructed ... a size/age one year after having attained sexual maturity, so that they have one opportunity to ... - recruit relationship was used. 0 20 40 60 80 100 120 Time (years) Figure 8: Prevalence and spawning ... animals only. The sensitive stock- recruit relationship was used. 0 20 40 60 80 100 120 Time (years ... numerical differences. Results presented in this paper are for the model which includes a one-year time ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Auteur(s): Basson, M

8. An overview of Southern Ocean zooplankton data: abundance, biomass, feeding and functional relationships (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   for differences in the extent of identification of early larval stages. Likewise, the time of year ... , since mesozooplankton typically remove <30% of primary production. This emphasises the dominant role ... one-half of those above. A change in the view of SO copepods in the last 20 years has followed an ... with the seasonal phytoplankton bloom. The number of generations per year appears flexible, being one ... at Kergue- len (Labat et al., 2002) and one to two (Watts and Tarling, 2012) at South Georgia ... factors because polar zoo- plankton are not comparable to ‘global’ zooplankton 0 20 40 60 80 100 0 ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 171–218 : Auteur(s): A. Atkinson, P. Ward, B.P.V. Hunt, E.A. Pakhomov and G.W. Hosie

9. Fatty acid and stable isotope analyses to infer diet of Antarctic toothfish caught in the southern Ross Sea

   evidence that a combination of these two techniques can delineate the main prey items of Antarctic ... . 80 60 40 20 0 % c om po si tio n A B C D A ... ) and 120–135 cm (D). Values are mean ± SD. 70 60 50 40 30 20 10 0 % c om po si tio n ... OCT Octopodidae Octopus 10 0 20 0 30 SZT Pogonophryne scotti Plunderfish 25 0 0 3 28 PRA Pasiphaea ... . 0 ± 0. 7 C 18 :1 n9 c 20 .2 19 .5 ± 6 .4 21 .7 ± 0 .3 14 .1 30 .1 ± 2 .8 ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 21–36 : Auteur(s): Jo, H.-S., I. Yeon, C. Lim, S.M. Hanchet, D.-W. Lee and C.-K. Kang

10. Factors to consider in developing management measures for krill

    year to year. The various techniques used to estimate the abundance of animal populations also give ... WG-KRILL-90/14 FACTORS TO CONSIDER IN DEVELOPING ... conservation objectives of the Convention are being met. 2. OBJECTIVES OF CCAMLR 176 The general ... risk of changes in the marine ecosystem which are not potentially reversible over two or three ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 175–187 : Auteur(s): de la Mare, W.K.

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