Resultados de la búsqueda

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

   on marine mammals and seabirds in the Convention Area has been reviewed. The CCAMLR Marine Debris ... wood items, reached a peak in the period 1994-1996 at Bird Island and Signy Island, but have declined ... until recently. The number of debris items found has increased in the last season reported at Bird ... packaging materials. The level of marine debris found in Grey-headed albatross, Black-browed albatross and ...

   Meeting Document : SC-CAMLR-XXIV/BG/13 : Autor(es): Secretariat

2. Interannual variation in the summer diet of Adélie penguin (Pygoscelis adeliae) at Edmonson Point

   , in the Ross Sea, Antarctica, to study the feeding ecology of this species for the Commission for the ... Island in 2001. Mean diet composition varied from year to year and between the two locations in 2001 ... Edmonson Point. In the guard period, mean weight of food was lower at Inexpressible Island. Mean content of ... in stomach contents from Edmonson Point. Author(s):  S. Olmastroni, F. Pezzo, I. Bisogno and S ...

   Meeting Document : WG-EMM-04/38 : Autor(es): S. Olmastroni, F. Pezzo, I. Bisogno and S. Focardi (Italy)

3. Krill caught by predators and nets revisited: interpreting prey selection in proper temporal–spatial scales

   problematic. In this paper we use ARGOS satellite location data from foraging female fur seals to first ... that collected only in fur seal foraging habitat. Both are compared to krill in fur seal diet. When ... in krill length frequency distributions. We suggest that fur seals are not selecting large krill ... while foraging but are instead selecting foraging locations that have larger krill in densities that ...

   Meeting Document : WG-EMM-04/49 : Autor(es): M.E. Goebel, V. Loeb, D.P. Costa, S.N. Sexton, A.R. Banks, J.D. Lipsky and A.C. Allen (USA)

4. Seabird by-catch update on industrial Patagonian toothfish fishery in southern Chile

   Abstract:  Implementation of NPOAs requires in first place an assessment of all longline fisheries ... with presumption of occurring seabird incidental mortality. Chile took this responsibility in 2001 and ... started the NPOA-S process by estimating the seabird bycatch at the Patagonian toothfish fishery in ... determined the initiation of the NPOA to reduce seabird incidental mortality in all longline fisheries in ...

   Meeting Document : WG-FSA-04/13 : Autor(es): J. Arata, C.A. Moreno and R. Hucke-Gaete (Chile)

5. Stock assessment of D. eleginoides in Subarea 48.3 using dynamic production models

   in subarea 48.3. This type of the models differ from the models currently used by CCAMLR Working ... mortality, age selectivity, recruitment estimates, mean weight at age) In the calculations with DPM (with ... of intensive fishery was at the level of 22-24 thousand tons. In 1989-1990 stock size increased (to ... in recent years. The trends in biomass dynamic estimated by DPM are very similar with trends from ...

   Meeting Document : WG-FSA-02/78 : Autor(es): P.S. Gasiukov and R.S. Dorovskich (Russia)

6. Age, growth and size at sexual maturity of Macrourus carinatus from the CCAMLR fisheries in division 58.5.2

   samples collected during two research voyages to Heard and McDonald Islands (Division 58.5.2) in 1992 and ... for both sexes combined, resulting in values of: L8 = 635 mm, K = 0.088 and t0 =-1.8. The size at ... operations in the Heard Island region in 2000. The size at which 50% of the fish population is mature, L50 ... evident in the length-weight relationship from the two regions. Otolith and body size relationships were ...

   Meeting Document : WG-FSA-02/48 : Autor(es): E.M. van Wijk, R. Williams and A.J. Constable (Australia)

7. Detection of anti-brucella antibodies in pinnipeds from the Antarctic Territory

   Abstract:  This paper describes the first detection of Brucella sp. antibodies in seals from the ... in six of the seventeen samples involving the two animal species. It is concluded that a Brucella sp ... . described as affecting marine mammals in the Northern hemisphere could be also present in the Antarctic ... -brucella antibodies in pinnipeds from the Antarctic Territory Approval:  Approved ...

   Meeting Document : WG-EMM-01/46 : Autor(es): P. Retamal, O. Blank, P. Abalos and D. Torres (Chile)

8. Exploitation of mesoscale oceanographic features by grey-headed albatross Thalassarche chrysostoma in the southern Indian Ocean

   association with mesoscale oceanographic features, as identified by sea surface height anomalies, in the ... anomalies created by the Agulhas Return Current in the Subtropical Convergence and the Subantarctic zones ... . In contrast, during chick-rearing all tracked birds foraged to the southwest of the island, at the ... edges of anomalies along the South-West Indian Ridge. Previous work in this area has shown that these ...

   Meeting Document : WG-FSA-01/12 : Autor(es): D.C. Nel, J.R.E. Lutjeharms, E.A. Pakhomov, I.J. Ansorge, P.G. Ryan and N.T.W. Klages (South Africa)

9. Supplement to the krill synoptic survey design in Area 48 (with participation of a Russian scientific research vessel)

   integral part of Area 48 is discussed. It is shown that in this case there shall be obtained for the first ... ° W. It is emphasized that in this way there shall be obtained the data that are important both to ... acquire knowledge in appropriateness of krill horizontal distribution over the whole Area 48, and to ... -date survey design, taking into account the operation by Russian R/V ATLANTIDA in Subarea 48.4, as ...

   Meeting Document : WG-EMM-99/43 : Autor(es): V.A. Sushin, S.M. Kasatkina and F.F. Litvinov (Russia)

10. The influence of environmental variables and mitigation measures on seabird catch rates in the Japanese tuna longline fishery within the Australian Fishing Zone, 1991–1995

    environmental variables and mitigation measures upon catch rates of seabirds in the Japanese pelagic longline ... fishery. In the Australian Fishing Zone (AFZ) seabirds were most likely to be caught on longlines that ... were set during summer, in southern areas of the zone, and during daylight hours. However ... , interpretation of changes in catch rates resulting from the use of mitigation measures or from weather effects ...

    Meeting Document : WG-FSA-98/32 : Autor(es): N. Brothers, R. Gales and T. Reid (Australia)

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