Résultats de la recherche

1. Examination of the gut contents of Patagonian toothfish (Dissostichus eleginoides) from the toothfish pot fishery trials around South Georgia

   , (Dissostichus eleginoides), represents an important target species for fisheries not only in the study area ... CCAMLR, an understanding of the trophic relationships of exploited species is vital. Toothfish ... most common prey item for fish caught using pots was prawns. This prey category was localised in ... confirms that D. eleginoides s an opportunistic carnivore, whose feeding habits vary dependent on the ...

   Meeting Document : WG-FSA-00/25 : Auteur(s): G. Pilling, T. Daw, M. Purves, D. Agnew and J. Xavier (United Kingdom)

2. Uncertainty in acoustic surveys of Antarctic krill

   provided corroboration to an empirical model developed from a linear regression. However, TS values have ... in species delineation was also investigated, through the development of a statistical technique for ... ). A method was developed for compensating acoustic biomass estimates for the effects of DVM. Applying ... the compensation function to survey data, the resulting biomass estimates were an average of 1.8 dB ...

   Meeting Document : WG-EMM-95/72 : Auteur(s): Demer, D.A.

3. Biology and harvesting of Dissostichus eleginoides around Kerguelen Island (Division 58.5.1)

   information for population dynamics, as well as demographic structures and trends observed in an abundance ... Abstract:  Dissostichus eleginoides is becoming an increasingly important species in the fisheries ... -adult/adult part of the stock. Fishing effort and corresponding catches are very variable from one year ... index are provided. Prospects for exploitation are discussed with respect to the development of fishing ...

   Meeting Document : WG-FSA-91/09 : Auteur(s): G. Duhamel (France)

4. Stable isotope analysis of tissue samples to investigate trophic linkages of Antarctic toothfish (Dissostichus mawsoni) in the Ross and Amundsen Sea regions

   there for less than a year.   Author(s):  M.H. Pinkerton, S.J Bury, J.C.S. Brown, J. Forman and A ... analysed, but only from the Ross Sea region. Appropriate corrections were made to account for the effect of ... , location, depth or year of capture. We found statistically significant but small relationships between δ 15 ... N and fish length, region, and year: (1) on average, larger toothfish fed on prey of higher trophic ...

   Meeting Document : WG-EMM-14/50 : Auteur(s): M.H. Pinkerton, S.J Bury, J.C.S. Brown, J. Forman and A. Kilimnik (New Zealand)

5. Development of the Patagonian toothfish (Dissostichus eleginoides) tagging program in Division 58.5.2, 1997–2014

   that account for fleet dynamics, and phenotypic variability in post-release behaviour, remains an issue ... estimating key population parameters for toothfish in this region, and have been used in the 2014 stock ... currently be used in an unbiased manner to estimate stock abundance. Developing spatially explicit models ... for all assessments incorporating tagging data and, in particular, in Division 58.5.2. Plans to ...

   Meeting Document : WG-FSA-14/43 : Auteur(s): D.C. Welsford, C. Péron, P.E. Ziegler and T.D. Lamb (Australia)

6. Déplacement proposé de la limite entre les sous-zones 88.1 et 88.2

   Abstract:  This paper proposes an administrative realignment of the boundary between Statistical ... Subarea 88.1 and Statistical Subarea 88.2 in order to harmonise with the exploratory fisheries for ... complexity that currently adds an administrative burden on Members and the Secretariat in respect of fishery ... notifications, vessel movements, catch reporting and the Catch Documentation Scheme for Dissostichus spp. (CDS ...

   Meeting Document : CCAMLR-XXXVII/22 : Auteur(s): CCAMLR Secretariat

7. Hook loss in CCAMLR exploratory fisheries

   lines requires an estimate of the number of lost hooks that are attached to sections of line. In 2011 ... hook loss data was provided by 21 of the 34 vessel/fishery reports with an estimated 317920 hooks lost ... attached to sections of lines.  In 2012 15 of the 26 vessel/fishery reports provided non-zero data with an ... those in data-poor regions, the requirement and appropriate mechanism for reporting these data may need ...

   Meeting Document : WG-FSA-12/65 : Auteur(s): Secretariat

8. Revised reports on abundance and biological information of toothfish in Division 58.4.4 a & b by Shinsei maru No. 3 in 2012/13 season

   suitable for tagging was captured by using the normal trotline system. A total of 233 fish of D ... relatively higher in 2011 but showed no clear tendencies with the years in SSRU C. Fish in single-hooked and ...

   Meeting Document : WG-FSA-13/34 : Auteur(s): K. Taki, T. Ichii, T. Iwami and M. Kiyota (Japan)

9. Spatial and temporal distribution patterns of acoustic backscatter in the New Zealand sector of the Southern Ocean

   :  Approved Secretariat Workflow Status:  Content Approved Delegation responsibility for releasing documents ... transects collected between 2008 and 2014. Mean acoustic backscatter (s a) at 38 kHz varied between years ...

   Meeting Document : WG-EMM-18/P06 : Auteur(s): P.C. Escobar-Flores, R.L. O’Driscoll and J.C. Montgomery

10. Report on assessment and avoidance of incidental mortality in the Convention Area 1998/99

    and related activities undertaken by Australia in the Convention Area during the year to 30 June 1999 ...

    Meeting Document : CCAMLR-XVIII/BG/31 : Auteur(s): Delegation of Australia

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