Résultats de la recherche

1. An assessment of longlining operations for Dissostichus eleginoides on board the Chilean-registered longliner BF Cisne Verde during March–May 1997 around South Georgia (Subarea 48.3)

   only 24% in the female population. The mean daily loss rate of toothfish observed at the hauling point ... maturity was also larger. The proportion of mature fish in the male population sampled was 52.0%, but was ... was only 0.8% of the mean daily catch rate; total by-catch by numbers was less than 5%. Consistent ... sampling method; the known number of coils laid during a night's setting operations provided the ...

   Meeting Document : WG-FSA-97/41 : Auteur(s): Ashford, J.R., Everson, I.

2. Factors affecting the growth rate and mass at weaning of Antarctic fur seal pups at Bird Island, South Georgia

   the pups influenced the nature and magnitude of sex differences in estimated growth rates. Growth ... conditions that normally exist, individual differences in the growth of pups are most likely influenced by ... foraging trips, and the mean duration of both foraging trips at sea and nursing visits ashore on the growth ... Abstract:  We studied the influence of sex of pup, maternal age, birth date of pup, number of ...

   Meeting Document : WG-CEMP-93/09 : Auteur(s): N.J. Lunn, I.L. Boyd, T. Barton and J.P. Croxall (United Kingdom)

3. Is population structure of Patagonian toothfish (Dissostichus eleginoides) determined by the Antarctic Circumpolar Current?

   of the ACC, and off Kerguelen and South Georgia Islands, situated respectively in the southern Indian ... Abstract:  Water transported by the Antarctic Circumpolar Current (ACC) in the Southern Ocean may ... off the southern South American continent around the Falkland Islands north of the Sub-Antarctic Front ... and Atlantic Oceans to the south of the Polar Front. We fitted von Bertalanffy (VB) models ...

   Meeting Document : WG-FSA-03/84 : Auteur(s): J.R. Ashford, C.M. Jones, E. Hofmann (USA), I. Everson (United Kingdom) and G. Duhamel (France)

4. Development of a five-year work plan for the CCAMLR Scientific Committee

   the first stage in the development of the five-year work plan and draws on recommendations arising ... Committee should be developed for consideration by the Scientific Committee in 2017 (SC-CAMLR-XXXV ... , paragraphs 13.8 to 13.20). It was agreed that the work should be led by the Chair of the Scientific Committee ... with input from the conveners of its working groups and that it should be made available for ...

   Meeting Document : WG-EMM-17/02 : Auteur(s): M. Belchier (Chair of SC-CAMLR)

5. Monitoring and managing the effects of environmental change on toothfish assessments

   consideration of changes in biological parameters and work to understand the impact of these changes on yield ... that methods be developed that can be used to evaluate the importance of observed changes in the ... Abstract:  This paper presents a ‘first-step’ proposal for CCAMLR to consider the effects of ... environmental conditions that are maintained over a number of years, which includes the effects of global ...

   Meeting Document : WG-SAM-18/22 : Auteur(s): M. Pinkerton, A. Dunn, S. Mormede and S. Parker

6. Green krill, the indicator of micro- and nano-size phytoplankton availability to krill

   -, nano-, and micro-size fractions) during commercial krill operations in the waters north of the South ... the importance of micro- and nano-size phytoplanktons in terms of food source for the Antarctic krill ... Shetland Islands from late December, 1991 to mid-February, 1992. The proportion of green krill had ... in the natural environment. Author(s):  S. Kawaguchi, T. Ichii and M. Naganobu (Japan) Title:  Green ...

   Meeting Document : WG-EMM-98/29 : Auteur(s): S. Kawaguchi, T. Ichii and M. Naganobu (Japan)

7. Diet and prey consumption of Antarctic petrels Thalassoica antarctica at Svarthamaren, Dronning Maud Land and at sea outside the colony

   Abstract:  The diet of the Antarctic petrel Thalassoica antarctica was studied during two years at ... Svarthamaren, an inland colony situated in Dronning Maud Land, Antarctica and in the pack-ice outside ... %), followed by fish (29%) and squid (3%), whereas individuals collected in the pack ice took mostly fish (95 ... %), followed by Crustaceans (5%). The prey composition and length found in this study is comparable to what is ...

   Meeting Document : WG-EMM-97/58 : Auteur(s): Røv, N., Lorentsen, S., Klages, N.

8. Distribution of salps near the South Shetland Islands during austral summer, 1990/1991 with special reference to krill distribution

   potential reasons for the relatively low abundance of E. superba at the stations where salps were present in ... 556 mgC•m-3 and was greatest at a station in the Bransfield Strait in late December 1990. Salp biomass ... found, and the former was dominant numerically. Spatial distribution and generation composition of these ... so the January-February period. While E. superba was found mainly in the coastal area which showed ...

   Meeting Document : WG-EMM-95/54 : Auteur(s): Terazaki, M., Ichii, T., Kawaguchi, K., Nishikawa, J., Ishii, H., Naganobu, M.

9. Estimating density and biomass of Antarctic krill around South Sheltland Islands using the 2-dB difference method

   Abstract:  The distribution and abundance of krill aggregation inhabiting the Subarea 48.1, which ... includes the Elephant Island peripheries and the west and south of the South Shetland Island, were ... 2016 and 38 and 200 kHz from March 6 to 14 in 2017. Krill were collected by the commercial middle trawl ... biomass of Antarctic krill around South Sheltland Islands using the 2-dB difference method Microsoft Word ...

   Meeting Document : WG-EMM-17/08 : Auteur(s): S.-G. Choi, K. Lee and D. An

10. Exploratory analysis of acoustic data from the Ross Sea

    . All line recordings were in water over 1000 m deep. Because of the spreading of the acoustic beam, the ... the echogram and the catch of rattails in the accompanying longline set. Bottom-referenced layers were ... Abstract:  This report presents results from a pilot study to determine the feasibility of ... conducting acoustic surveys for toothfish and rattails in the Ross Sea. Acoustic data were collected using a ...

    Meeting Document : WG-FSA-SAM 03/9 : Auteur(s): R.L. O’Driscoll and G.J. Macaulay (New Zealand)

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