Résultats de la recherche

1. Validation of age determination in Notothenia coriiceps, by means of a tag-recapture experiment at potter cover, South Shetland Islands

   closely spaced sclerites zones, which corresponded with an elapse of two winter seasons. The comparative ... Shetland Islands, in successive years from 1989 to 1992, 9 were recaptured at the same site after periods ...

   Meeting Document : WG-FSA-94/12 : Auteur(s): E.R. Barrera-Oro and R.J. Casaux (Argentina)

2. Fishery Report: Champsocephalus gunnari Heard Island (Division 58.5.2)

   Increments in year 365 Years to project stock in simulation 2 Reasonable upper bound for annual F 5.0 ... should be treated as Weighted Frequency (proportion of the catch) Le ng th (c m ) 10 20 30 40 ... . Due to their low abundance observed in the current year, no assessment has been conducted for the ... were present in ages 1+- 5+. Unusually for this stock, 4 or 5 consecutive year classes are present in ...

   Document : Site Section: Publications

3. Biological characteristics of Antarctic fish stocks in the Southern Scotia Arc region

   evidence for illegal fishing since the closure of the region some 10 years ago. Differences in length ... to 1989/90, with its heydays from 1977/78 to 1981/82. Except for Elephant Island, the state of fish ... Antarctic Marine Living Resources Programme carried out two extensive surveys around Elephant Island and the ... final maturation of the gonads takes one year or more whereas in others gonad maturation is completed ...

   Meeting Document : WG-FSA-99/16 : Auteur(s): K.-H. Kock (Germany), C. Jones (USA) and S. Wilhelms (Germany)

4. Foraging partitioning between giant petrels Macronectes spp. and its relationship with breeding population changes at Bird Island, South Georgia

   as speed and distance covered on foraging trips were similar between species but lower for males than ... Abstract:  We tracked by satellite the foraging trips of males and females of the two sibling ... during the breeding season on fur seals, which have increased exponentially in recent years, may be ... females in both species. Sex differences agree with previous observations on diet and on attendance at ...

   Meeting Document : WG-FSA-99/39 : Auteur(s): J. González-Solís, J.P. Croxall and A.G. Wood (United Kingdom)

5. Fish stock assessment survey in Subarea 48.3

   reduction. No commercial fishing on Champsocephalus gunnari has been reported from the area. It is suggested ... previous year and is not an artefact of the sampling technique or survey design. 30 Further evidence ... frequency of 30 kHz was used for bottom detection and a Koden 'Chromascope' operating at 48 kHz was used to ... the stations where it was caught, the catch rates of C. gunnari were less than 200 kg for a 30 minute ... the same method as used in SC-CAMLR (1990a). The data were stratified by depth zone and for the two ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 25–67 : Auteur(s): Everson, I., G. Parkes, K.-H. Kock, S. Campbell, Z. Cielniaszek and J. Szlakowski

6. Plan of research program of the Ukraine in Subarea 48.2 in 2016 (second season)

   2016. Investigated area will be demarcated on two blocks- Northern and Southern. During the season of ... prospective will provide the indicators for the procedure of abundance assessment of the studied species in ... year 2016 we propose to remain the majority of surveys in the Northern Block as were conducted in year ... research activities on the assessment of the stock state of the Dissostichus spp species in subarea 48.2 ...

   Meeting Document : WG-FSA-15/45 : Auteur(s): Delegation of Ukraine

7. Distribution and size–age composition of Antarctic krill (Euphausia superba) in the South Orkney Islands region (CCAMLR Subarea 48.2).

   +; modal length 25–30 mm) and 2-year-old krill (age 2+; modal length 40–45 mm); the 3-, 4- and 5-year-old ... Southern Ocean indi- cates that there are two ways for krill to enter the South Orkney Islands area: ACC ... + 3+ 4+ 5+ 2 3 4 5 6 7 2 3 4 5 6 Size–age groups (a) % 20 10 0 –10 –20 –30 29–30 31–32 ... % 70 % 60 % 50 % 40 % 30 % 20 % 10 % 0% 10 0% 90 % 80 % 70 % 60 % 50 % 40 % 30 % 20 % 10 ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 123–134 : Auteur(s): Sologub, D.O. and A.V. Remeslo

8. Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea

   work on this species. Von Bertalanffy growth models assuming different growth by sex and by year-within ... test. Von Bertalanffy parameters for the pooled dataset with unsexed juveniles are L ∞ 76.12, K 0.065 ... and t 0 –0.159 for males and L ∞ 92.03, K 0.055 and t 0 0.159 for females. Revised estimates of the ... presented for males and females respectively, using a reduced probit model. File:  13marriott-etal.pdf ... and 30 years old in the second reading. Males Females 0 10 20 30 ... otolith. For each preparation method, the number of fully- formed translucent zones present, an estimate ... parameter. Two likelihood-ratio tests were carried out. The full model for each test assumed separate ... parameters by year and sex. The reduced model for each test assumed separate parameters by sex only. The ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 291–303 : Auteur(s): Marriott, P.M., M.J. Manning and P.L. Horn

9. SC-CAMLR-XV

   Specialists on Seals (Cambridge, UK, 1-2 August 1996) SC-CAMLR-XV/BG/11 Need for procedures to govern the ... ICCAT sobre tunidos (Ponta Delegada, Azores, 10-28 Junio 1996) SC-CAMLR-XV/BG/20 Report on the Workshop ... SC-CAMLR-XV/BG/20 Addendum Report on the Workshop on the Incidental Mortality of Albatrosses ... Subcommittee on Bird Biology SC-CAMLR-XV/BG/30 Report on the 32nd Executive Meeting of the Scientific Committee ...

   Meeting

10. Saga Sea krill harvesting and production

    . The vessel has a processing plant onboard, which is approved for manufacturing food and feed grade ... , krill mince and krill protein concentrates. The vessel has so far carried out two fishing trips since 19 ... June 2006. The last trip started in September. The vessel carries an UK (MRAG) international scientific ... observer onboard. There is an agreement between the Aker Seafood Antarctic and The Institute of Marine ...

    Meeting Document : WG-FSA-06/20 : Auteur(s): T. Williksen (Norway)

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