Résultats de la recherche

1. Length composition, sex ratio, and pre-spawning migration of Dissostichus eleginoides in Subarea 48.3 during 1995

   Wshag in April reduced the mean length in the catch and increased CPUE (numbers of fish per hook ... seen at NWSG, although the sex ratio did change in favour of males (60% male by early May). The changes ... ), although sex ratio remained biassed in favour of females. Similar changes in mean length and CPUE were not ... in 1994/95 took place in two major fishing grounds, West of Shag Rocks (Wshag) and North-West of ...

   Meeting Document : WG-FSA-95/27 Rev. 1 : Auteur(s): Agnew, D.J.

2. La CCAMLR et ses liens avec le Traité sur l'Antarctique

   , I 1977 Southern Ocean fisheries survey programme. The living resources of the Southern Ocean FAO, Rome ... (Italy) 160 p. Eddie, G.O 1977 Southern Ocean fisheries survey programme. The harvesting of krill. FAO ... utilization of krill FAO, Rome (Italy) 67p.. El-Sayed S. Z. (ed) 1994 Southern Ocean ecology : the BIOMASS ... SUR L'ANTARCTIQUE 1. La Convention sur la conservation de la faune et la flore marines de l'Antarctique ... obligations for the information of prospective and existing parties to the Convention. ... Description / Abstract:  This document provides background information concerning the CAMLR ... Convention and outlines the linkages between the CAMLR Convention and the Antarctic Treaty and key ...

   Document : Site Section: The Organisation

3. Variation in echosounder calibration with temperature and some possible implications for acoustic surveys of krill biomass

   are to be conducted. In addition, the implications of temperature variation across a survey area for ... of factors including, fundamentally, accurate echo-sounder calibration. The Simrad EK500 scientific ... conditions, calibrated gain settings differ markedly from those applied in the Antarctic, even after ... calibration parameters were to be employed on survey around South Georgia, and no account were taken of the ...

   Meeting Document : WG-EMM-97/52 : Auteur(s): Watkins, J.L., Woodroffe, P., Brierley, A.S., Goss, C.

4. Preliminary Results of a Bottom Trawl Survey Around Elephant Island in October and December 1987

   proportion of larger (= older) fish in the catches increased. Composition of the catches of C. gunnari ... Abstract:  A total of 40 bottom trawl hauls was carried out fromboard RV "Polarstern" in ... Chaenocephalus aceratus, Notothenia gibberifrons and N. neglecta at least since February 1985. In N. rossii the ... shelf areas of the Peninsula region. Author(s):  K.-H. Kock (FRG) Title:  Preliminary Results of a ...

   Meeting Document : WG-FSA-88/31 : Auteur(s): K.-H. Kock (FRG)

5. Summary of notifications for krill fisheries in 2016/17

   Abstract:  Six Members notified a total of 18 vessels for krill fisheries in 2016/17 in Subareas ... on the CCAMLR website and the notified information on the fishing operation and gear is summarised in ... this paper. Participating Members are thanked for providing feedback and assistance in developing the ... new online notification system. Author(s):  CCAMLR Secretariat Title:  Summary of notifications for ...

   Meeting Document : WG-EMM-16/72 Rev. 1 : Auteur(s): CCAMLR Secretariat

6. PRELIMINARY ASSESSMENT OF TOOTHFISH IN SUBAREA 48.3

   Abstract:  1. 2009 data have been incorporated in to the catch-at-age based CASAL model for ... toothfish in Subarea 48.3. 2. Fits to the survey data are good for the early 2000s, particularly 2004 to ... 2006. Fits to the catch at age data are good, except for 2009 where large numbers of age 7 and age 9 ... ASSESSMENT OF TOOTHFISH IN SUBAREA 48.3 Approval:  Approved ...

   Meeting Document : WG-FSA-09/28 Rev. 1 : Auteur(s): D.J. Agnew and T. Peatman (United Kingdom)

7. Preliminary assessment of mackerel icefish, Champsocephalus gunnari, in Subarea 48.3 using a length based population dynamics modelv

   fishing season for Champsocephalus gunnari in CCAMLR sub area 48.3. The model is initialised using ... of the harvest control rule ensuring 75% escapement after a two year projection period yielded a ... Abstract:  A length-based projection model is used to estimate catch limits for the 2011/12 ... estimated numbers at length derived from survey length density and biomass density data, removing the need ...

   Meeting Document : WG-FSA-11/30 Rev. 1 : Auteur(s): R.E. Mitchell and S.M. Martin (United Kingdom)

8. Population status of Ross Sea killer whales (Orcinus orca, Type C) in McMurdo Sound, Antarctica, based on photo-identification studies

   2014/15. Using photo-identification methods, we identified 352 individual RSKWs in the Sound and up to ... toothfish (Dissostichus mawsoni) may have led to a marked decline RSKW numbers in the southwestern Ross Sea ... , our analysis suggests that at least the resident killer whale population in McMurdo Sound is stable ... with the average annual estimated number of deaths (= 2.4, 95% probability = 1.2-4) being balanced by ...

   Meeting Document : WG-EMM-16/50 : Auteur(s): R. Pitman, H. Fearnbach and J.W. Durban

9. Nine years of tag-recapture in CCAMLR Statistical Subarea 48.3 – Part II: Spatial movement and analysis

   procedure, Patagonian toothfish biology, growth and local movement of Patagonian toothfish in 48.3 ... (presented in WG-SAM-14/35), it describes the spatial movements and regional connectivity in Subarea 48.3 ... . The characterisation of tag recapture data from Subarea 48.3 shows that the tagging programme is ... successful in providing substantial information for the stock assessment and that it can give a first ...

   Meeting Document : WG-FSA-14/49 : Auteur(s): M. Soeffker, C. Darby and R.D. Scott (United Kingdom)

10. Calibration of an acoustic echo-integration system in a deep tank, with system gain comparisons over standard sphere material, water temperature and time

    acoustic system with a standard sphere. It presents the results of an extensive calibration of a Simrad ... follows concerning the ramifications of calibration errors and variability on the accuracy of acoustic ... Abstract:  This paper outlines the theory and procedures for calibrating an echo integration ... EK500 scientific echo sounder with a 120 kHz sprit-beam transducer in a refrigerated 10m deep tank ...

    Meeting Document : WG-KRILL-92/17 : Auteur(s): D.A. Demer and R.P. Hewitt (USA)

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