Résultats de la recherche

1. The state of exploited fish stocks in the Atlantic sector of the Southern Ocean

   of the 1960s mainly by the Soviet Union. Notothenia rossii marmorata,vas the target species in the ... Abstract:  Finfish have been harvested in the Atlantic sector of the Southern Ocean since the end ... Patagonotothen brevicauda guntheri. Catches of C. gunnari were highest at about 240,000, 220,000 and 100,000 ... adversely affected by the fishery. The present stock size around South Georgia is less than 5 % of the level ...

   Meeting Document : SC-CAMLR-VIII/BG/18 : Auteur(s): Delegation of Federal Republic of Germany

2. The State of Exploited Fish Stocks in the Atlantic Sector of the Southern Ocean in 1988

   of the 1960s by the Soviet Union mainly. Notothenia rossii marmorata was the target species in the ... Abstract:  Finfish have been harvested in the Atlantic sector of the Southern Ocean since the end ... guntheri. Catches of C. gunnari peaked at about 240,000, 220,000 and 100,000 tonnes in 1976-78, 1982-84 and ... Georgia is less than 5 % of the pristine level at present. Recruitment has dropped since the second half ...

   Meeting Document : WG-FSA-88/14 : Auteur(s): K.-H. Kock and F.-W. Köster (FRG)

3. Sexing fledglings and yearlings of magellanic penguins by discriminant analysis of morphometric measurements.

   , followed by length of the middle toe and bill length. Yearling, besides being distinguishable by plumage ... Abstract:  Discriminant analysis was used to identify the sexes of fledglings and yearlings in the ... Magellanic Penguin (Spheniscus magellanicus). Eleven morphometric measurements were recorded in a sample of ... tarsus length proved useful; 95.7% of cases were correctly classified (Chi square, p Author(s):  J.A ...

   Meeting Document : WG-CEMP-90/42 : Auteur(s): J.A. Scolaro (Argentina)

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

   trip to sea and its final dispersal from the breeding colony. Our study was conducted at a colony of ... their first trip to sea at a mean age of 70 days of age, before finally departing the colony at an ... of gentoo penguin chicks during their “fledging period”; defined as the time between a chick’s first ... approximately 2500 breeding pairs of gentoo penguins in Admiralty Bay, King George Island, South Shetland ...

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

5. Foraging strategies of chinstrap penguins at Signy Island, Antarctica: importance of benthic feeding on Antarctic krill

   trip patterns and diving behaviour of chinstrap penguins breeding at Signy Island, Antarctica, using ... both types of trip fed almost exclusively on Antarctic krill. There was a positive relationship between ... foraging trip duration). These results highlight the potential importance of benthic feeding on Antarctic ... Abstract:  Chinstrap penguins Pygoscelis antarctica are one of the major consumers of Antarctic ...

   Meeting Document : WG-EMM-03/37 : Auteur(s): A. Takahashi (Japan), M.J. Dunn, P.N. Trathan (United Kingdom), K. Sato, Y. Naito (Japan), J.P. Croxall (United Kingdom)

6. Managing fisheries to conserve the Antarctic marine ecosystem: practical implementation of the Convention on the Conservation of Antarctic Marine Living Resources (CCAMLR)

   1960s with exploitation of the marbled rockcod, Notothenia rossii, in the South Atlantic, a species ... Abstract:  Apart from exploitation of seals and whales, Antarctic fisheries began in the late ... decimated in the first two years of the fishery following catches of about 500,000t. Two other species have ... formed the basis of substantial fisheries, krill (Euphausia superba) and mackerel icefish ...

   Meeting Document : SC-CAMLR-XVIII/BG/26

7. Final report of scientific observation of commercial krill harvest aboard the Japanese stern trawler Niitaka Maru, 13 December 2000–26 January 2001

   measurements of krill, product types are described in the report. The trawler made an anti-clockwise trip ... Scientific Observers Manual. Summary of the fishing efforts, processing, fish by-catches, biological ... around the South Shetland Islands. During this trip, the vessel encountered a swarm rapidly moving ... previous season. Author(s):  T. Hayashi, S. Kawaguchi and M. Naganobu (Japan) Title:  Final report of ...

   Meeting Document : WG-EMM-01/38 : Auteur(s): T. Hayashi, S. Kawaguchi and M. Naganobu (Japan)

8. INTERACTIONS OF PATAGONIAN TOOTHFISH FISHERIES WITH KILLER AND SPERM WHALES IN CROZET EXCLUSIVE ECONOMIC ZONE: AN ASSESSMENT OF DEPREDATION LEVELS AND INSIGHTS ON POSSIBLE MITIGATION SOLUTIONS

   year period we estimated a total loss of 1200 tons of Patagonian toothfish due to depredation which ... represents a financial loss of approximately 10 millions €. Killer whales were found to be responsible for ... the largest part of this loss (70%) while sperm whales had a lower impact (30%). Photo-identification ... longline fishery is exposed to high levels of depredation by killer and sperm whales. In this context, this ...

   Meeting Document : WG-IMAF-09/12 : Auteur(s): P. Tixier, N. Gasco, G. Duhamel and C. Guinet (France)

9. Estimation of the biomass of krill in Prydz Bay during January/February 1991, February/March 1992 and January/ February 1993 using echo integration

   the middle of the range of densities estimated from seven surveys between 1981 and 1985 (Higginbottom ... Abstract:  Hydroacoustic surveys of the abundance of krill (Euphausia superba) in the Prydz Bay ... surveys indicated some association of krill with the shelf break in the western part of the survey area ... and the centre of the Prydz Bay region but also found that the shelf break was in general not a region ...

   Meeting Document : WG-Krill-94/21 : Auteur(s): T. Pauly and I. Higginbottom (Australia)

10. Biotopic and spatial distribution of krill Euphausia superba Dana (Crustacea, Euphausiacea) length groupings in the Atlantic sector of Antarctic in summer 1984 and 1988

    southern branch of the Antarctic Circumpolar Current (ACC). The middle-length grouping and the small-length ... Abstract:  Three basic length groupings of krill were identified with the clustering analysis on ... the basis of the data of two complex surveys carried out in the western Atlantic sector of Antarctic ... in summer 1984 and 1988. The large-length grouping is biotopically associated with the waters of the ...

    Meeting Document : WG-EMM-04/27 : Auteur(s): V.V. Lidvanov, A.V. Zimin, K.E. Shulgovsky (Russia)

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