Résultats de la recherche

1. Report of the Steering Committee for the WG-EMM Workshop on Plausible Ecosystem Models for Testing Approaches to Krill Management

   in the development of models at the workshop, (ii) a review of relevant literature and information on ... work are outlined. Also provided in this report is a draft agenda for the workshop. Title:  Report of ... Abstract:  This paper reports on the intersessional activities of the Steering Committee of the ... “Workshop on plausible ecosystem models for testing approaches to krill management” in preparation for the ...

   Meeting Document : WG-EMM-04/25

2. Preparing for the Year of the Skate: proposed information collection and tagging protocol for skates

   Abstract:  Skates are an important bycatch of the toothfish fishery in the CCAMLR area and have ... –08 season by all or a subset of vessels fishing in the Ross Sea. The results from the pilot study may ... -SAM paragraph 8.10) a review of data requirements and a “Year of the Skate” for 2008–09 whereby data ... better inform an assessment of Ross Sea skates. We propose options for the appropriate collection of such ...

   Meeting Document : WG-FSA-07/39 : Auteur(s): S. Mormede, A. Dunn, J. Fenaughty, M. Francis, S. Hanchet, R. O’Driscoll and N. Smith (New Zealand)

3. The diet of Antarctic fur seals, Arctocephalus gazella, at King George Island, during the summer–autumn period

   , krill and fish were the most frequent prey, occurring in an average of 97% and 69% of samples (n=128 ... fish species associated with krill swarms. A seasonal change observed in the relative proportions of ... any of the fish species identified in this study. Author(s):  G.A. Daneri, A.R. Carlini, C.M ... Abstract:  The diet of non breeding male Antarctic fur seals, Arctocephalus gazella, was ...

   Meeting Document : WG-EMM-04/4 : Auteur(s): G.A. Daneri, A.R. Carlini, C.M. Hernandez and A. Harrington (Argentina)

4. Stomach contents of the Antarctic toothfish (Dissostichus mawsoni) from the western Ross Sea, Antarctica

   Abstract:  The stomach contents of 496 Antarctic toothfish (Dissostichus mawsoni) captured by ... bottom longline in the western Ross Sea during the 2003 summer fishing (from Dec 2002 to Jun 2003) season ... length. D. mawsoni feeds on a wide range of prey but is primarily piscivorous. The most important prey ... species was Whitson’s grenadier (Macrourus whitsoni), which dominated the overall diet. In continental ...

   Meeting Document : WG-FSA-04/31 : Auteur(s): D.W. Stevens (New Zealand)

5. Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground

   to the main trawl ground in which the longest time series of catches and the great majority of ... years 1998 to 2008. A large proportion of the recaptures of fish released in this fishery were aged and ... of the properties of these two models for estimation of M used simulation. In application to the data ... other model parameters in integrated assessments via CASAL for the Heard and McDonald Islands (HIMI ...

   Meeting Document : WG-FSA-10/41 : Auteur(s): S. Candy, D. Welsford, T. Lamb, J. Verdouw and J. Hutchins (Australia)

6. An update on the ageing of Antarctic toothfish, Dissostichus mawsoni, from East Antarctica and the Amundsen Sea

   and the other by thin sectioning, in order to assess the comparability of age estimates derived from ... available for use in the estimation of biological parameters and stock assessments of the respective ... Abstract:  This paper presents an update on the ageing of Antarctic toothfish, Dissostichus ... , experienced readers at the Australian Antarctic Division (AAD) read a subset of 40 otoliths from the New ...

   Meeting Document : WG-FSA-17/15 : Auteur(s): G. Nowara, B. Farmer, T. Barnes, P. Ziegler and D. Welsford

7. The diet of toothfish species Dissostichus eleginoides Smitt and D. mawsoni Norman with overlapping distributions around the South Sandwich Islands, Southern Ocean

   . eleginoides) was examined around the south sandwich islands in the southern ocean, one of few regions with ... overlapping populations of the two species. Despite large differences in the proportion of stomachs containing ... compete for prey in regions where both are distributed.  However, the large increase in rate of prey ... species. Predation rates of the main fish prey, as mean counts per stomach sampled, were spatially ...

   Meeting Document : WG-FSA-11/P03 : Auteur(s): J. Roberts, J. Xavier and D. J. Agnew

8. Revised outline of the dedicated krill survey for CCAMLR Division 58.4.1 during 2018/19 season by the Japanese survey vessel, Kaiyo-maru

   the CCAMLR standard protocol. Utility of 70 kHz in addition to 3 standard frequencies (38, 120 and 200 ... conducted by Japanese research vessel, Kaiyo-maru. No krill biomass has been estimated in the Division since ... Australia carried out BROKE in 1996. There are two main objectives of our survey: (1) estimation of krill ... biomass to update B(0) in the area and (2) oceanographic observations in the area to detect long term ...

   Meeting Document : SG-ASAM-18/03 : Auteur(s): H. Murase, K. Abe, R. Matsukura, H. Sasaki and T. Ichii

9. EXPLORING THE ROBUSTNESS OF THE CURRENT TOOTHFISH SPP. HARVEST CONTROL RULES AND POTENTIAL EXPLOITATION RATE-BASED ALTERNATIVES

   dynamics of toothfish spp. in the CCAMLR area. This model underpins a management strategy evaluation ... framework where the process of stock assessment, TAC calculation and implementation and potential changes in ... current harvest control rule employed for assessed stocks of toothfish spp. in the convention area is ... Abstract:  In this paper a simple biomass dynamic population model is used as a paradigm for the ...

   Meeting Document : WG-SAM-09/14 : Auteur(s): R. Hillary (United Kingdom)

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

    , species of macro- and mesoplancton, algaes and protosoa, in other words all the components of ecosistem ... and food chains. At the same time naturel boundary, in the form of the Antarctic Convergence (AC) in ... different Sectors of Antarctica is located in different latitudes, and the structure of ACC modify greatly ... /ecosystems in which one can, based on the composition of fish fauna (especially of the most highly abundant ...

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

Pages