Résultats de la recherche

1. Spatial distribution and swarm characteristics of Antarctic krill around the South Shetland Islands

   acoustic density were obtained with Kriging space interpolation, which showed that krill usually aggregated ... in March 2015 compared with those in December 2013, January 2016 and February 2018, although the ... markedly higher than the other two years. Meanwhile, much more swarms (1055) were detected in February 2018 ... than the other three years. The results also indicated that more krill swarms located at deeper water ...

   Meeting Document : WG-EMM-18/42 : Auteur(s): X. Yu, X. Wang and X. Zhao

2. Spatial distribution and population structure of juvenile Antarctic toothfish (Dissostichus mawsoni) in the South Shetland Islands (Subarea 48.1)

   between 22 and 78 cm TL, equally distributed between sexes, most of them with gonads at immature stage of ... comparison with the biological traits of adults reported elsewhere. Author(s):  M. La Mesa, E. Riginella and ... between 2 and 7 years in males and between 2 and 8 years in females, respectively. Annual growth rate was ...

   Meeting Document : WG-FSA-18/45 : Auteur(s): M. La Mesa, E. Riginella and C.D. Jones

3. Research proposal for Dissostichus spp. in Subarea 48.1 by Ukraine in 2019

   longline in the eastern part of Subarea 48.1. Author(s):  Delegation of Ukraine Title:  Research proposal ...

   Meeting Document : WG-FSA-18/20 Rev. 1 : Auteur(s): Delegation of Ukraine

4. Investigating the uncertainty of age determinations for Patagonian toothfish (Dissostichus eleginoides) and the implications for stock assessment

   expanded the reference collection to include an additional 50 otoliths with a mean age above 25 years. The ... aggregate into the plus group, negative errors are truncated below the minimum age, and fish with true ages ... matrix.We assessed misclassification matrices obtained using the revised Candy method along with two other ... of variation (c.v.) of 0.1. We compared the misclassification matrices with the observed age ...

   Meeting Document : WG-FSA-14/46 : Auteur(s): P. Burch, P. Ziegler, W. de la Mare and D. Welsford (Australia)

5. Effect of a shore-based sampling program on Notothenia coriiceps populations

   two close but not previously sampled zones (sites 2 and 3). The fish were caught with trammel nets ... summers of 1992/93 to 1994/95 at one specific zone (site 1) with those taken in the same last summer at ... ) and 3 (x=31.8 cm) exhibited no significant differences in mean length. They were significantly larger ...

   Meeting Document : WG-FSA-99/24 : Auteur(s): R. Casaux and E. Barrera-Oro (Argentina)

6. Preliminary model of krill fishery behaviour in Subarea 48.1

   restricted to the four months December to March, compares favourably with the historical distribution of ... Elephant Islands in alternate years would result in an average yearly catch similar to that at present ... during alternate years. File:  06agnew-marin.pdf ... compares well with the mean distribution of all catches in the study area over the years 1988 to 1992 as ... Livingston Island. Table 3: Distribution of catches predicted by the model with unrestricted fishing for ... restricted to the four months December to March, compares favourably with the historical distribution of ... concern that the krill fishery may compete for the krill resource with land-breeding predators (e.g ...

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

7. Length-age composition of the Patagonian toothfish, Dissostichus eleginoides, from the Kerguelen Island area

   years. Results presented in the paper are in agreement with results of other studies conducted in the ... fluctuate considerably, mean fish length was 76.0- 86.6 cm. Fish of two to 14 years old age groups were most ... abundant in catches, mean age was 8.2- 9.8 years. In the 1991/92 season fishing for the species was ... cm, mean age was 5.8 years. Mean length of fish taken at 540- 600 m depth was 85.8, mean age was 9.7 ...

   Meeting Document : WG-FSA-92/08 : Auteur(s): V.G. Prutko and V.N. Chikov (Ukraine)

8. Liste officielle des mesures de conservation en vigueur saison 1989/90

   accordance with Article 3, inserting the gauge manually without using a weight or dynamometer. The ... additional series of 20 meshes selected in accordance with Article 3 shall be measured. The mesh size shall ... November 1989) This schedule lists Conservation Measures adopted by the Commission in accordance with ... in force. Conservation Measures are numbered in simple consecutive order in arabic numerals with a ...

   Document : Site Section: Publications

9. Increasing abundance of Type A killer whales (Orcinus orca) in the coastal waters around the Antarctic Peninsula

   increased access to new feeding areas, perhaps combined with increasing local abundance of key prey species ... increasing in recent years, including observations of predation on a number of whale and pinniped species ... . Here we integrate satellite telemetry (n = 10 tags) and photo-identifications (13 years, 15,828 ... to 3048 km from tagging site). Photographic re-sightings of the same whales were common across years ...

   Meeting Document : WG-EMM-17/49 : Auteur(s): H. Fearnbach, J.W. Durban, D.K. Ellifrit and R.L. Pitman

10. Volume 11: CCAMLR. 1999. Statistical Bulletin, Vol. 11 (1989–1998). CCAMLR, Hobart, Australia.

    000 tonnes have been caught in any year were chosen for this section. 2.2 Tables 3, 4 and 5 report ... Catch by species ....................................... . Catch by species-group and country ... ........................... . Catch by country, species and area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Catch and ... effort by species and arealsubarealdivision ............... . Catch and effort by species and country ...

    Document : Site Section: Publications

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