Résultats de la recherche

1. Conflict or co-existence? Foraging distribution and competition for prey between Adélie and chinstrap penguins

   both species was exclusively Antarctic krill (Euphausia superba) of the same size range. In a year of ... between the two species, however, in a year of normal resource availability (2001) there was no such ... penguins and 24 chinstrap penguins were used to compare foraging distributions. In both years the diet of ... segregation. There was a significant difference in the foraging areas used by Adélie penguins between years ...

   Meeting Document : WG-EMM-02/15 : Auteur(s): A.S. Lynnes, K. Reid, J.P. Croxall and P.N. Trathan (United Kingdom)

2. Spatio–temporal dynamics of Antarctic krill fishery: identification of fishing hotspots

   those years when the precautionary catch limit is reached. These events occur mainly in the centre of ... Abstract:  Antarctic krill is a key species in the Southern Ocean food web and is also the target ... of the greatest fishery in Antarctic waters. Management of the fishery is based on a precautionary ... subarea. Despite that the fishery is operating in the Antarctic Peninsula area since 1980s, the spatial ...

   Meeting Document : WG-EMM-16/52 : Auteur(s): F. Santa Cruz, B. Ernst and J.A. Arata

3. A von Bertalanffy growth model for toothfish at Heard Island fitted to length-at-age data and compared to observed growth from mark–recapture studies

   -estimated parameters. A young-age adjustment (less than 5 years old) to the VB model is also given in order ... frequencies were also included in defining relative probabilities, the VP maximum likelihood (MLPLB) and IWLS ... measured at release and first recapture in mark–recapture studies were compared where predictions used the ... developed and showed that the bias is relatively small for the range of release lengths in the data ... . Note the relatively small number of fi sh either greater than 1 000 mm in length or greater than 20 ... – 20 year range. This translated to larger predictions for the MLPLB-fi tted curve for ages below 5 ... than 5 years old) to the VB model is also given in order to give more realistic predictions of mean ... years in age. This is due to the combined effect of natural and fi shing mor- tality and the effect of ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 43–66 : Auteur(s): Candy, S.G., A.J. Constable, T. Lamb and R. Williams

4. WG-CEMP-92

   -CEMP-92/30 On the problem of Soviet krill fishery allocation and intensity in the area of Elephant ... Suggestion for change in format of CEMP standard methods publication Secretariat WG-CEMP-92/11 Can we use ... in the vicinity of Elephant Island in the 1992 austral summer R.P. Hewitt and D.A. Demer (USA) WG ... estimating prey requirements of Antarctic fur seals in the Antarctic Peninsula Integrated Study Region ...

   Meeting

5. The biology and ecology of mackerel icefish, Champsocephalus gunnari – an Antarctic fish species that lack haemoglobin

   characteristics in common, such as feeding mode and food, early life history, and growth in the first years of ... . They may grow to more than 60cm and may become 13-15 years old. However, in the vicinity of South ... , its distribution ranges from the Scotia Arc region, namely South Georgia, in the Atlantic Ocean sector ... to the Kerguelen-Heard Plateau in the Indian Ocean sector. Mackerel icefish have been heavily ...

   Meeting Document : WG-FSA-96/24 : Auteur(s): Everson, I., Kock, K.-H.

6. WG-FSA-07

   . Smith (New Zealand) WG-FSA-07/14 A new fishing gear in the Chilean Patagonian toothfish fishery to ... abundance and distribution of fish in the Kerguelen Islands’ zone (Division 58.5.1) G. Duhamel and M ... . Hautecoeur (France) WG-FSA-07/17 Proposal to extend the fishing season for longline fishing in CCAMLR ... . Pierre (New Zealand) WG-FSA-07/19 Experience with seabird by-catch limits in a trial of longline fishing ...

   Meeting

7. Translation review of the Basic Documents and the conservation measures

   Abstract:  In 2018, the Secretariat undertook a comprehensive translation review of all ... of major issues identified in the conservation measures and the Basic Documents are appended, and the ... proposed changes were available for consultation between June and August. These changes will be included in ... publication of the Schedule of Conservation Measures in Force, following their adoption by the Commission at ...

   Meeting Document : CCAMLR-XXXVII/BG/12 : Auteur(s): CCAMLR Secretariat

8. Mackerel icefish ecological indices

   Abstract:  Mackerel icefish have been harvested in the CCAMLR Region for over thirty years. In the ... CEMP. With that in mind the following indices are outlined that might be incorporated in the programme ... : Standing Stock, Cohort Strength and Recruitment, Natural Mortality, Length at Age 1+ and 2+ years ...

   Meeting Document : WG-EMM-03/42 : Auteur(s): I. Everson (United Kingdom), K.-H. Kock (Germany) and A.W. North (United Kingdom)

9. AGE AND GROWTH OF SPINY ICEFISH, CHAENODRACO WILSONI REGAN, 1914, OFF JOINVILLE-D'URVILLE ISLANDS (ANTARCTIC PENINSULA)

   benthic trawl carried out off Joinville-D’Urville Islands (Antarctic Peninsula) in February-March 2006 and ... polishing whole otoliths embedded in epoxy resin in moulds. The precision of age estimates between readings ... maturity and a considerable short life span. The fish population of C. wilsoni caught in the studied area ... . Age at sexual maturity was estimated to be about 2 years for females and 2.5 years for males. Compared ...

   Meeting Document : WG-FSA-08/33 : Auteur(s): M. La Mesa, A. De Felice (Italy), C.D. Jones (USA) and K.-H. Kock (Germany)

10. An overview of a large ecosystem survey of the southwest Indian Ocean sector of the Southern Ocean (CCAMLR Division 58.4.2)

    Division 58.4.2 (the South West Indian Ocean Sector of the Southern Ocean 30-80°E) in January-March 2006 ... as adopted in previous B0 surveys in the CCAMLR Area and was designed so that the results would be ... transects, between 30° and 80°E. On each transect a range of underway data were obtained and on six ... being prepared for a special Issue of Deep-Sea Research for publication in 2008. Author(s):  S. Nicol, S ...

    Meeting Document : WG-EMM-06/15 : Auteur(s): S. Nicol, S. Kawaguchi, T. Jarvis, G. Williams, N. Bindoff, D. Thiele (Australia), J. Schwarz (Germany), A. Davidson, S. Wright, J. Gedamke and P. Thompson (Australia)

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