Résultats de la recherche

1. Natural mortality of grey rockcod (Notothenia squamifrons) in various areas of the Indian sector of the Southern Ocean

   were 0.38, 0.36 and 0.33 for the above areas respectively. These values are comparable with those ... derived for most notothenioids. File:  11-Zaitsev.pdf ... empirical relationship between M and age at maturity for most fish (tn) where 50 or 70% of a population ... (T m), comprising not less than 0.5% of the total sample (Babayan et al., 1984). For an exploited ... and Lena Banks and 1969 to 1972 for the Kerguelen Islands). Data on 2 to 15 year old fish were used ... on the Ob and Lena Banks these were 6.6 and 6.2 years respectively, while for the Kerguelen Islands ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 141–146 : Auteur(s): Zaitsev, A.K.

2. Research currently being undertaken by the Republic of South Africa on "dependent and related species" within the Antarctic marine ecosystem

   !:'nts, - G2 - but the few that do occur Providf~ an ideal OPPortunit~ for -sci.;,ntist-s t.o ... -111 111onltorin!:I of these seal POPUiation~ tlnou!:lh an intensive te!i"-Elin!:I Pro'!:lram111e is ... illPortance in the habitat F>refl?rence,-s; of these ~;F'ecies for-111 an i111Portant component of the inve ... Part of the Southern Oc~an bounded bw latitudes 30-70 Sand I on9 i tudes 10 W ta 40 E. Research i ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 59-77 : Auteur(s): South Africa

3. Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997

   predominantly on krill. An index of condition which uses the ratio of the measured total mass to the estimated ... in krill availability. Condition index provides a useful proxy for krill density and is likely to be ... by the Convention for the Conservation of Antarctic Marine Living Resources. An index of condition ... account for 20% of the total mass (Kock, 1992; Everson et al., 1996). Arising from this, we envisage two ... were used to derive an estimated mass for each fish ( and K,,). Two condition indices were calculated ... ) for providing an indicator of krill availability to icefisli. Comparison of Condition Index to ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Auteur(s): Everson, I. and K.-H. Kock

4. Survey of Antarctic fur seals in the South Shetland Islands, Antarctica, during the 1986/87 austral summer

   sites for combined fur seal and penguin monitoring activities, as part of the CCAMLR Ecosystem ... by species, with no differentiation made between age and sex classes except for fur seals. At ... seals in the South Shetland Islands have been censused sporadically over the past 80 years, with the ... during the survey are presented. The optimal sites for combined fur seal and penguin monitoring ... on beaches for their annual molting period) were sighted often. Counts of all pinnipeds were tallied ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 427-440 : Auteur(s): Bengtson, J.L., L.M. Ferm, T.J. Härkönen, E.G. Schaner and B.S. Stewart

5. Homogeneity of Adélie penguins as krill samplers

   significantly different from zero (F = 0.093; P = 0.54).This finding supports the argument for using individual ... 27 31/1/90 39.98 27.10 4 30 09/1/90 42.65 14.75 4 25 19/1/90 32.11 31.78 5 41 18/1/90 40.02 ... 19 20/1/90 39.23 14.45 11 29 29/1/90 37.93 94.74 Table 2: Nested ANOV A of krill-within-days ... (F = 0.093; P = 0.54). This finding supports the argument for using individual penguins to estimate ... Buenos Aires, Argentina 253 1. INTRODUCTION The size of krill eaten by penguins is probably an ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 253–257 : Auteur(s): Marschoff, E. and B. Gonzalez

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

   130 140 150 50 60 70 80 90 100 110 120 130 140 12 14 12 10 1001-2000 1001-2000 n=62 10 n=55 ... 8 8 6 6 4 4 2 2 0 0 130 140 50 60 70 80 90 100 110 120 130 140 150 50 60 70 80 90 100 ... 2 2 60 70 80 100 110 120 130 140 1 50 60 70 80 90 100 110 120 130 140 TOTAL LENGTH (cm) TOTAL ... 50~-------------------------------------------- 40 30 20 10 0 40 50 40 30 20 10 ...

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

7. Biomass of myctophids in the Atlantic sector of the Southern Ocean as estimated by acoustic surveys

   . Specimens of 70 to 80 mm predominated. An echometric survey for myctophids, carried out from 18 to 31 ... Table 1. An oscilloscope was used to monitor input signals and an "Iskra-226" computer was used for ... for more than 90% of the total catch. Besides fish, salps were also numerous. Among other species ... February 1988 an echometric survey for myctophids was conducted in the Polar Frontal Zone from 48° to 51 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 417–431 : Auteur(s): Filin, A.A., K.V. Gorchinsky and V.M. Kiseleva

8. Histological study on the ovarian development of mackerel icefish (Champsocephalus gunnari) from the South Georgia Islands

   identified, and these are similar to those described for other species. A gonad maturation scale for studies ... described macroscopically for various species of Channichthyidae. Stage six includes ovaries undergoing ... recorded. The length and weight ranges were 16 to 49 cm and 20 to 1 050 g respectively. The age groups of ... . Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux. 1994a. Age/length key for Ckampsocephalus gunnari ... the specimens ranged from two to five years, estimated from the age/length key presented in Barrera ... oocyte development were identified, and these are similar to those described for other species. A gonad ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 35–49 : Auteur(s): Macchi, G.J. and E.R. Barrera-Oro

9. Areas of seabed within selected depth ranges in CCAMLR Subarea 48.3, South Georgia

   30 34 0.0 0.0 209.5 3257.7 464 Table 3: Summary of areas of seabed for Shag Rocks, South ... Georgia and the whole of Subarea 48.3. An asterisk (*) indicates that there are no reported soundings for ... WG-FSA-90/8 AREAS OF SEABED WITHIN SELECTED DEPTH ... . This paper contains such data for the South Georgia area, CCAMLR Subarea 48.3 and supersedes that ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 459–466 : Auteur(s): Everson, I. and S. Campbell

10. Observations of fishing operations on a krill trawler and distributional behaviour of krill off Wilkes Land during the 1985/86 season

    a good index to measure abundance of a concentration. Comparison of such an index across time and ... NO.487 n-297 No.488 n-300 No.489 n=314 No.490 n=309 No.491 n=303 20 30 40 50 ... Feb. n=4696 Area H2 Early Mar. n=5319 Area H2 20 30 40 50 Body length (mm) 60 Fig. 9 ... off Africa. In recent years, the through-year activity of the trawlers has come to be incorporated ... for the Past Four Years Around area H2, tnere have been good yielding areas for the past four ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 335-368 : Auteur(s): Ichii, T.

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