Résultats de la recherche

1. Information on the spawning season and gonadosomatic indices of Dissostichus mawsoni from Subarea 88.1 in the 2001/02 season

   recorded for females was 26% with a 7.5 kg ovary. The maximum GSI was 43% for a stage 3 male weighing 20 kg ... , with the testes weighing 8.6 kg. Author(s):  G.J. Patchell (New Zealand) Title:  Information on the ...

   Meeting Document : WG-FSA-02/31 : Auteur(s): G.J. Patchell (New Zealand)

2. PRELIMINARY RESULTS OF TRIALS TESTING MODIFIED LONGLINE GEAR ‘TROTLINES’ IN PRESENCE OF CETACEANS IN SUBAREA 48.3

   composition on Spanish system longlines with those on ‘trotlines’ fitted with cetacean exclusion devices ... cetaceans were present. This difference increased with increasing abundance of cetaceans highlighting the ... trotlines fitted with cachalotera nets were dead or suffered life-threatening injuries. Toothfish were also ... trotline use. iii. Potential increases in skate and toothfish injury, leading to problems with skate ...

   Meeting Document : WG-FSA-08/44 : Auteur(s): R.E. Mitchell, J. Clark, P. Reyes, L. Jones, J. Pearce, C.E. Edwards and D. Agnew (UK)

3. High-resolution ocean modelling of the South Georgia and South Orkney Islands regions

   regions. The models are regional applications of NEMO with a ~3 km horizontal resolution, and include key ... Abstract:  The marine ecosystem associated with the ocean shelves around South Georgia and the ... South Orkney Islands is highly productive, with a history of commercial exploitation. Many of the key ... reanalysis, a seasonal glacial melt cycle, and with sea ice processes incorporated using LIM3.  The models ...

   Meeting Document : WG-EMM-16/15 : Auteur(s): E. Young, E. Murphy and P. Trathan

4. SPATIAL PATTERNS IN MACKEREL ICEFISH DIET PROVIDES INSIGHTS INTO KRILL ABUNDANCE AND DISTRIBUTION

   low in Antarctic krill (7 % IRI) compared with similar data for the same month in 2004-2006. The ... results are consistent with other indicators of krill availability on the South Georgia shelf, which ... occurrence of krill in the diet with earlier data sets (1967-1992) show that 2009 is not unique, as similarly ... poor krill years occurred in 1969, 1978 and 1991. Spatial analysis of icefish diet indicates ...

   Meeting Document : WG-EMM-09/27 : Auteur(s): M.A. Collins and C.E. Main (United Kingdom)

5. An overview of tagging skates (Rajiformes) and CCAMLR skate tagging data

   , longevity, discard survival and abundance. Most Antarctic skate species are little known and, coupled with ... tag loss and tag shedding rates in fish (with emphasis on elasmobranchs), a summary of CEFAS tagging ... of the tagging work undertaken under the auspices of CCAMLR in the Southern Ocean with comments on ... conducted in the CCAMLR area for several years now, only preliminary observations have been presented to ...

   Meeting Document : WG-SAM-13/25 Rev. 1 : Auteur(s): S.R. McCully, D. Goldsmith, G. Burt, R. Scott and J.R. Ellis (United Kingdom)

6. An overview of tagging skates (Rajiformes) and CCAMLR skate tagging data

   , longevity, discard survival and abundance. Most Antarctic skate species are little known and, coupled with ... tag loss and tag shedding rates in fish (with emphasis on elasmobranchs), a summary of CEFAS tagging ... of the tagging work undertaken under the auspices of CCAMLR in the Southern Ocean with comments on ... conducted in the CCAMLR area for several years now, only preliminary observations have been presented to ...

   Meeting Document : WG-FSA-13/33 : Auteur(s): S.R. McCully, D. Goldsmith, G. Burt, R. Scott and J.R. Ellis (United Kingdom)

7. VARIATION IN DEMERSAL FISH SPECIES RICHNESS IN THE OCEANS SURROUNDING NEW ZEALAND: AN ANALYSIS USING BOOSTED REGRESSION TREES

   species richness, with highest richness occurring at depths of 900 to 1000 m, and with a broad plateau of ... moderately high richness between 400 and 1100 m. Richness was higher both in waters with high surface ... temperature was also important, with lower richness occurring in waters that were cooler than expected given ... constrained to reflect the known performance of trawl gear. Species richness declined with increasing cod-end ...

   Meeting Document : WS-VME-09/P04 : Auteur(s): Leathwick, J.R., Elith, J., Taylor, P., Francis, M.P., Hastie, T.

8. Numerical model of ecosystem including Euphausia superba Dana as a key species in circumpolar region

   integrated model with the above 5 items. This year, we have developed an OGCM and a one dimensional ecosystem ... ) with seven compartments and coupled with a one dimensional mixed layer model for calculating the ... applied to primary production in Antarctic Ocean (3) to develop an ecosystem model able to describe krill ...

   Meeting Document : WG-Krill-94/26 : Auteur(s): M.J. Kishi and M. Naganobu (Japan)

9. A summary of the commercial fishery for mackerel icefish Champsocephalus gunnari in Subarea 48.3 during the 1997/98 season

   briefed before the short trip to South Georgia. It is unclear whether the poor catches by the FV Betanzos ...

   Meeting Document : WG-FSA-98/53 : Auteur(s): G. Parkes, A. King and C. Jones (United Kingdom)

10. Selectivity of standard polish commercial trawl codends on Antarctic fishing grounds

    Abstract:  steelon codends used in commercial fishery, with a nominal mesh size A = 80 mm and A ... = 100 mm, made of double twines with a thickness of 4.2 mm. The studies covered 6 major fish species. 1 ... result of the application of webbing with permanently open meshes for codend construction. 4. The most ... difficult matter will be preparing a codend with proper selectivity properties for South Georgia icefish ...

    Meeting Document : SC-CAMLR-VII/BG/11 : Auteur(s): J. Zaucha (Poland)

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