Résultats de la recherche

1. Distribution of Antarctic krill concentrations exploited by Japanese krill trawlers and minke whates

   Abstract:  The distribution of krill (Euphausia superba) concentrations derived from Japanese ... sectors. In early summer (December) the areas of operation for both fisheries were affected by the ... latitudinal position and shape of the pack-ice edge. Harvesting was frequently conducted in the vicinity of a ... pack-ice edge. When the ice-edge was at its southernmost limit (January- March), krill fishing data ...

   Meeting Document : SC-CAMLR-VIII/BG/31 : Auteur(s): Delegation of Japan

2. Density and biomass of Antarctic krill around South Shetland Islands using by 2-dB difference method

   was performed at seven stations. Using the difference between the dB values of two volume ... Abstract:  The dB-difference and characteristics of krill aggregation inhabiting Subarea 48.1 ... , which includes the Elephant Island peripheries and the west and south of the South Shetland Islands ... Antarctic krill (4.9 to 12.0 dB) and fish (-4.0 to-0.2 dB). The distributions and mean Sv of krill ...

   Meeting Document : SG-ASAM-17/04 : Auteur(s): S.-G. Choi, K. Lee and D. An

3. Characterisation of the toothfish fishery in the Ross Sea region (Subarea 88.1 and SSRUs 88.2A–B) through 2018/19

   and SSRUs 88.2AB) together with biological characteristics of the catch of Antarctic toothfish through ... the 2019 season. The implementation of the Ross Sea Region Marine Protected area in December of 2017 ... , concentrated fishing on the slope south of 70° S on the traditional fishing grounds, with some expansion of ... respect to the current management areas. The median and 90 th percentile of the scaled length ...

   Meeting Document : WG-FSA-2019/07 : Auteur(s): J. Devine, S. Parker and A. Dunn

4. 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 ... frequency peaks under 27-29 and 33 cm for fish aged 3 and 4 years. The by-catch of small size ... Champsocephalus gunnari (with the length of 24 cm and less) amounted to, on the average, 0.6% per a haul. The male ...

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

5. Relative abundance of large whales around South Georgia

   Abstract:  To assess large whale stocks following the cessation of land-based South Georgia ... Island (NW of South Georgia) between 1979 and 1998, and mariner sightings between 1992 and 1997. All ... growing at 7% per annum. In contrast, blue and fin whales appear to be less abundant. A single blue whale ... mother-calf pair was observed off the Shag Rocks in February 1997. Extirpation of animals from this ...

   Meeting Document : WG-EMM-99/34 : Auteur(s): M.J. Moore (USA), S.D. Berrow (UK), B.A. Jensen (USA), P. Carr (UK), R. Sears (Canada) and V.J. Rowntree, R. Payne and P.K. Hamilton (USA)

6. A revised estimate of short-term yield for the mackerel icefish (Champsocephalus gunnari) off Heard Island based on a trawl survey in 1998

   Abstract:  A random stratified trawl survey of Mackerel icefish in 2 populations (Plateau and ... Shell Bank) in the vicinity of Heard Island enabled a revised estimate of yield for the coming 2 seasons ... in 1999 and 2000. While the abundances of icefish are lower in 1998 than in 1997, the Age 3 and Age 4 ... cohorts are still sufficiently strong to provide for a yield greater than estimates of the long term ...

   Meeting Document : WG-FSA-98/54 : Auteur(s): A. Constable and D. Williams (Australia)

7. Hatching season and growth of Pleuragramma antarcticum larvae near the Antarctic peninsula in austral summer 1993/94

   Abstract:  Hatching season and larval growth of Pleuragramma antacticum in the water off Antarctic ... Peninsula were determined by the examination of growth increments in otoliths. The samples were collected by ... (54 inds. out of 77 fish larvae) in ichthyoplankton samples, and occurred mainly in cold water of the ... Weddell Sea. Body length of P. antacticum ranged from 12.0 to 67.3 mm. Otolith radii (R) ranged from 150 ...

   Meeting Document : WG-EMM-96/65 : Auteur(s): Cha, S.S., Lee, T.W., Kim, S.

8. To the question for bioregionalisation of the Antarctic waters with ecosystem approach

   and food chains. At the same time naturel boundary, in the form of the Antarctic Convergence (AC) in ... Abstract:  The nature of the composition (structure) and distribution Antarctic marine living ... resources to determine by position of the South Ocean and originaly it's geographic isolation unity ... Carrent sistem (ACC), but to circumpolar distribution of the whales, seals, seabirds, fishes, squids ...

   Meeting Document : SC-CAMLR-XXV/BG/18 : Auteur(s): Delegation of Russia

9. Preliminary results from a study examining spatial structure and connectivity in Patagonian toothfish (Dissostichus eleginoides) in the South Atlantic section of the Southern Ocean

   Abstract:  Using the High Resolution laser-ICPMS at Old Dominion University, we sampled the edge ... of otoliths from Patagonian toothfish (Dissostichus eleginoides), and examined whether the elemental ... American continental shelf near the Falkland Islands. Furthermore, we examined the elemental signatures of ... been taken from different locations. We found signatures on the otolith edge of fish from South Georgia ...

   Meeting Document : WG-FSA-03/86 Rev. 1 : Auteur(s): J.R. Ashford (USA), A. Arkhipkin (United Kingdom) and C.M. Jones (USA)

10. Vast assembly of vocal marine mammals from diverse species on fish spawning ground

    information on prey distribution and abundance as well as distribution and activity of their top predators ... echoes used in the assessment of prey abundance and distribution. Periodically, only the receiver array ... predators and prey. The Ocean Acoustic Waveguide Remote Sensing (OAWR) system is at present tailored to ... methodology offer coverage of 10s of km and may thus inform about variability issues now causing troubles in ...

    Meeting Document : WG-EMM-16/P01 : Auteur(s): D. Wang, H. Garcia, W. Huang, D.D. Tran, A.D. Jain, D.H. Yi, Z. Gong, J.M. Jech, O.R. Godø, N.C. Makris and P. Ratilal

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