Résultats de la recherche

1. SPATIAL DISTRIBUTION AND AGE STRUCTURE OF THE ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA, ANTARCTICA

   created based on the habitat mapping scheme developed by Greene et al. (1999). Fish age data from the long ... assess the availability of habitat for Antarctic toothfish a benthic habitat map of the Ross Sea was ...

   Meeting Document : WG-FSA-08/18 : Auteur(s): C.M. Brooks and J.R. Ashford (USA)

2. Draft integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2

   best available estimates of model parameters, the use of abundance estimates from a random stratified ... ) updated maturity-at-age parameters, and (6) a simplification of the longline selectivity functions. All ... model runs were conducted with the CASAL version 2.30-2012-03-21 rev. 4648 that was agreed on by WG-SAM ... -14. The updated assessment model leads to a smaller estimate of the virgin spawning stock biomass B 0 ...

   Meeting Document : WG-FSA-2019/32 : Auteur(s): P. Ziegler

3. Proportional recruitment indices of Antarctic krill from Japanese fisheries data in Subareas 48.1, 48.2 and 48.3 during 1980 through 1997

   R1 and R2 in Subarea 48.1 generally showed similar trends to Siegel et al. (1 998)'s values ... Siegel et al. (1 998)'s values. This may be due to the net selectivity and/or incomplete coverage of ...

   Meeting Document : WG-EMM-98/33 : Auteur(s): S. Kawaguchi, T. Ichii and M. Naganobu (Japan)

4. Ocean acidification and the Southern Ocean

   organisms such as the pteropods that form the base of much of the Southern Ocean food chain. Orr et al (2005 ... their projected trajectory. Aragonite is a form of calcium carbonate essential to shell forming ...

   Meeting Document : CCAMLR-XXIX/BG/24 : Auteur(s): ASOC Observer

5. Downward adjustments to local catch limits for the krill fishery in Subarea 48.1

   krill fishery in Subarea 48.1 (see Watters et al. 2016).  Our proposal to make downward adjustments is ... refer to a catch limit that applies to a group of SSMUs (gSSMU), and the work presented here is based on ... adjustments to local catch limits as one component of a larger strategy for feedback management (FBM) of the ... founded on 1) a model that quantifies the survival and recruitment rates needed to maintain resilient ...

   Meeting Document : WG-EMM-16/46 : Auteur(s): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries

6. Revised assessment models for Patagonian toothfish in research block C of Division 58.4.4, Ob & Lena Banks for the years 1989/1990 to 2012/13

   of scenarios to alternative selectivity by the IUU fleet (para. 6.93 (iii) and (iv) of SC-CAMLR XXXII ...

   Meeting Document : WG-SAM-14/15 : Auteur(s): K. Taki (Japan)

7. On the possibility of practical utilisation of krill target strength TS in situ obtained on the basis of EK-500 measurements

   obtained on the basis of the empiric model by Greene et al. (1991) using estimates of target strength in ... distribution predicted from the acoustic model by Greene et al. (1991) and those from trawl catches were ...

   Meeting Document : WG-EMM-98/19 : Auteur(s): S.M. Kasatkina (Russia)

8. Winter distribution of chinstrap penguins from two breeding sites in the South Shetland Islands of Antarctica

   chinstrap penguin’s winter migration reported by Wilson et al. (1998). Our results suggest that chinstrap ... Peninsula region during the 2000 and 2004 austral winters. Six birds from a breeding site in Admiralty Bay ... tracked to the vicinity of the South Orkney Islands where its signal was lost in April, a distance of 800 ... colony. The migration path of both these birds was remarkably similar to the only other record of a ...

   Meeting Document : WG-EMM-06/17 : Auteur(s): W.Z. Trivelpiece, S. Buckelew, C. Reiss and S.G. Trivelpiece (USA)

9. Preliminary acoustic results from the New Zealand IPY-CAML survey of the Ross Sea region in February-March 2008

   on the krill TS of Greene et al. 1991) of 517 000 t (mainly E. crystallorophias) on the shelf, and ... Abstract:  During February and March 2008 New Zealand carried out a major research voyage into the ... antarcticum). Silverfish are a key link between plankton and the community of top predators in the shelf ... demersal trawls shallower than 500 m. A weak layer at about 80 m depth was found to be associated with ...

   Meeting Document : SG-ASAM-09/05 : Auteur(s): R. O’Driscoll, G. Macaulay, S. Gauthier, M. Pinkerton and S. Hanchet (New Zealand)

10. Exploratory analysis of acoustic data from the Ross Sea

    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 ... January 2003, and the occurrence of a double bottom echo caused by too high a ping rate from 23–30 January ... . Simulations indicated that at 1500 m depth, the acoustic deadzone would be over 50 m high for a sea-bed with a ...

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

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