Résultats de la recherche

1. Numerical model of ecosystem including Euphausia superba Dana as a key species in the Antarctic Ocean

   Abstract:  On the processes to investigate a proper model for understanding the processes that ... govern the biochemical cycle in Antarctic Ocean, we made a research plan as follows: (1) to develop an ... ecology (4) to develop a numerical model to couple the OGCM and ecosystem models (5) to develop a ... numerical model including the effect of marine mammal consumption and catch of krill (6) to develop the ...

   Meeting Document : WG-EMM-95/52 : Auteur(s): Naganobu, M., Kishi, M.J.

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

   investigated near the South Shetland Islands during austral summer 1990-1991. Salp biomass ranged between 0 and ... 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.

3. Diagnostic model of functioning of Antarctic krill population in the Cooperation Sea

   mathematical modelling of Antarctic krill population in the Cooperation Sea. The choice of investigation area ... , its stocks, other pelagic system components, inhabitancy conditions, landing by FVs for the period ... from 1978 to 1984 and 1988. The objective of the researches was to reveal causes of sharp fluctuations ... in krill abundance in the Cooperation Sea basing on mathematical modelling. The main task was to ...

   Meeting Document : WG-Joint-94/07 : Auteur(s): V. Belyaev and M. Khudoshina (Ukraine)

4. Pilot study on electrophoretic variation and stock structure in the mackerel icefish, Champsocephalus gunnari, South Georgia waters

   Abstract:  The use of allozymes as a tool in stock structure analysis was examined in the ... . Clearly resolved enzyme phenotypes were obtained at 18 loci, of which 7 exhibited polymorphism at the 0.95 ... ; phosphoglucose mutase, PGM-II 2.7.5.1; pyruvate kinase, PK 2.7.1.40). Routine scoring of 116 fish at the 18 loci ... revealed average levels of genetic variability, with the proportion of polymorphic loci, P = 0.278, mean ...

   Meeting Document : WG-FSA-90/10 : Auteur(s): G.R. Carvalho and D.P. Lloyd-Evans (United Kingdom)

5. Fish prey of the wandering albatross Diomedea exulans at South Georgia

   Abstract:  The fish diet (45% of total diet by weight) of Wandering Albatrosses rearing chicks at ... South Georgia during the austral winters of 1983 and 1984 was investigated using otoliths retrieved from ... regurgitations. These provide the first quantitative data for this species and for any albatross. By number of ... (estimated from otolith length) of the main species was Pseudochaenichthys 51%, Muraenolepis 14 ...

   Meeting Document : SC-CAMLR-VII/BG/05 : Auteur(s): J.P. Croxall, A.W. North and P.A. Prince (United Kingdom)

6. Spatial scales of benthic invertebrate habitats from fishery by catch and video transect data in the Ross Sea region

   Abstract:  High resolution VME taxa bycatch data (at the longline segment level) has been ... these data allows the detectability of sponges and gorgonian corals to be estimated, along with changes ... % of the time when present, and gorgonian patches are detected more than 60% of the time. Video ... transects on the Ross Sea slope from New Zealand’s 2008 IPY voyage provided data on the fine scale ...

   Meeting Document : WG-EMM-10/28 : Auteur(s): S.J. Parker, R.G. Cole and S.M. Hanchet (New Zealand)

7. Molecular and morphological identification of Macrourus species caught as by-catch in the toothfish longline fisheries in CCAMLR Subareas 48.3 and 48.4.

   Abstract:  Genetic identification of grenadiers taken as bycatch in the toothfish longline fishery ... in the ability to morphologically distinguish between M. carinatus and M. holotrachys. Four species ... of Macrourus were identified genetically in the Southern Ocean and confirmed the presence of a ... recently described new species M. species. M. holotrachys was indistinguishable genetically from the ...

   Meeting Document : WG-FSA-12/35 : Auteur(s): E. Fitzcharles, K. Brigden, S. Gregory, M. Belchier and J. Brown (United Kingdom)

8. Results of a CCAMLR sponsored research survey to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea, February 2013

   Abstract:  At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... abundance from a well-designed survey could be a useful input into the Ross Sea stock assessment model. The ... first survey was completed in February (Hanchet al. 2012a). In this paper we provide the results of the ... second survey in the time series. The objectives of this second survey were: To carry out a longline ...

   Meeting Document : WG-SAM-13/32 : Auteur(s): S.J. Parker, S.M. Hanchet, S. Mormede, A. Dunn (New Zealand) and R. Sarralde (Spain)

9. Estimation of the green weight of krill caught

   Abstract:  Vessels operating in the krill fishery in CCAMLR’s Convention Area have been required ... to directly estimate the green weight of krill caught since 2012/13. The estimation methods were ... parameter values are reported in each vessel’s haul-by-haul catch and effort data. This paper reviews the ... data reported in 2013/14 (to May 2014). Vessels fishing in 2013/14 used six methods for the direct ...

   Meeting Document : WG-EMM-14/29 : Auteur(s): Secretariat

10. Preliminary report on krill survey off the coast of East Antarctica (Enderby Land to Prydz Bay) February-March 2015

    Abstract:  The Australian Antarctic research and resupply vessel, RV Aurora Australis, was ... station resupply.  The purpose of this opportunistic Marine Science work was to assess: The spatial ... variability, particularly along the shelf break, of the prey field for penguins, flying seabirds and marine ... mammals in East Antarctica. The small scale variability of prey in key foraging locations near to land ...

    Meeting Document : WG-EMM-15/22 : Auteur(s): S. Kawaguchi, A. Constable, L. Emmerson, C. Southwell, R. King, K. Westwood and K. Swadling (Australia)

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