Résultats de la recherche

1. Comparative studies on the biological and acoustical properties of krill aggregations (Euphausia superba Dana) samples during the XIII Italian Expedition to the Ross Sea (December 1997–January 1998)

   Abstract:  During the XIII Italian Expedition to the Ross Sea in late spring and early summer ... homogeneous. The maturity stage of krill in general increase with decreasing of latitude (from 76° to 71°S ... period of year. Author(s):  M. Azzali, J. Kalinoswki, G. Lanciani and I. Leonori (Italy) Title ... processing acoustic data; (3) to analyse the structure of Euphausia superba population on the basis of ...

   Meeting Document : WG-EMM-00/39 : Auteur(s): M. Azzali, J. Kalinoswki, G. Lanciani and I. Leonori (Italy)

2. Report on fishery and scientific activity of Ukraine in the Antarctic in 1993/94

   of their stocks, as well as their interrelations with external environmental conditions. To reveal ... in subarea 48.2 from 01.03.1994 to 10.04.1994 and from the middle of the second ten-day period of May ... to the middle of the first t en-day period of June. GENERAL PETROV worked from 21.04 to 17.05 in ...

   Meeting Document : SC-CAMLR-XIII/BG/12 : Auteur(s): Observer (Ukraine)

3. Development of foraging behaviour and evidence of extended parental care in the gentoo penguin (Pygoscelis papua)

   sea. Trip duration increased significantly with chick age as trips to sea becoming more similar to ... trip to sea and its final dispersal from the breeding colony. Our study was conducted at a colony of ... with extended parental provisioning, behaviours not observed in other Pygoscelis species. Chicks took ... their first trip to sea at a mean age of 70 days of age, before finally departing the colony at an ...

   Meeting Document : WG-EMM-06/8 : Auteur(s): M. Polito and W.Z. Trivelpiece (USA)

4. Review of CCAMLR activities on monitoring marine debris in the Convention Area

   ) Debris Associated with Seabird Colonies: United Kingdom (Bird Island 1993 – present) Marine Mammal ... of marine debris found in seabird colonies at Bird Island has continually increased, with fishing ... slight increase with packaging bands, synthetic string and longline fragments being the main entanglement ... material. The number of seabirds contaminated with hydrocarbons remains low. Author(s):  Secretariat Title ...

   Meeting Document : SC-CAMLR-XXII/BG/25 : Auteur(s): Secretariat

5. Annual variation in the timing of reproduction in Antarctic fur seals (Arctocephalus gazella) at Bird Island, South Georgia

   other year. Female arrival, estimated by pup birth date where necessary, was highly synchronous: it ... , which is less synchronous within years than female arrival, was significantly later in 1987 than in any ... significantly later in 1984 and 1987 than in 1983, 1985 or 1986. The late arrival of both males and females in ...

   Meeting Document : WG-CEMP-90/39 : Auteur(s): C.D. Duck (United Kingdom)

6. Monitoring a marine ecosystem using responses of upper trophic level predators

   . Individual variables had widely varying influence upon the CSI but, in general, those with longer time series ... South Georgia (Southern Ocean) using up to 27 variables measured over 22 years from 3 upper trophic ... followed by variables representing diet. 4. There were 3 years in which the CSI showed extreme and ... had the greatest influence. 3. Principal components analysis showed that variables representing ...

   Meeting Document : WG-EMM-01/25 : Auteur(s): I.L. Boyd and A.W.A. Murray (United Kingdom)

7. Biological features of the icefish Champsocephalus gunnari from commercial catches in Subarea 48.3 during the period from 8 December 1999 until 31 January 2000

   western shelf of the South Georgia Island. Icefish 26-40 cm in length, with the average size of 30.3 cm ... made up the bulk of the catches. Length-frequency distribution was characterized by bimodality, with ... Champsocephalus gunnari (with the length of 24 cm and less) amounted to, on the average, 0.6% per a haul. The male ... frequency peaks under 27-29 and 33 cm for fish aged 3 and 4 years. The by-catch of small size ...

   Meeting Document : WG-FSA-00/20 : Auteur(s): V.L. Senioukov (Russia)

8. Commercial krill fisheries in the Antarctic 1973–1988

   (Euphausia superba) fishery between 1972/73 and 1987/88. With time the annual krill catch rose gradually to a ... fishery with respect to independent estimates of krill abundance and minke whale (Baleonoptera ...

   Meeting Document : SC-CAMLR-VIII/BG/11 : Auteur(s): Delegation of South Africa

9. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2011/12

   fishing together with the catch of Dissostichus spp. and bycatch species by year for the period 1997–98 to ... and Subarea 88.2 fisheries have fluctuated over the past 10 years with no overall upward or downward ... 2011–12. During the 2011–12 fishing year most of the catch in Subarea 88.1 came from the slope SSRU ... strong year classes. We conclude that there is no evidence for substantial changes in population ...

   Meeting Document : WG-FSA-12/42 : Auteur(s): M.L. Stevenson ,S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)

10. NEW REGIONAL-SCALE SURVEYS OF THE ADÉLIE PENGUIN BREEDING POPULATION IN PRYDZ BAY: A STEP TOWARDS IMPROVED ESTIMATION OF KRILL CONSUMPTION IN EAST ANTARCTICA

    consistent with CEMP Standard Method A3. Recent abundance estimates are approximately double those obtained ... in the early 1980s. The new abundance estimates will significantly improve estimates of prey ... conducted 30 years ago. To understand current levels of prey consumption in east Antarctica it is therefore ...

    Meeting Document : WG-EMM-11/32 : Auteur(s): C. Southwell, J. McKinlay, K. Newbery, L. Emmerson and J. Lieser (Australia)

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