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1. A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica

   ; the maximum estimated age was 14.3 years. Von Bertalanffy parameters derived for both sexes combined ... are: L, 22.1 cm SL; K, 0.167 y-1; t 0,-0.4 years. Parameter estimates were also derived for the sexes ... distribution exhibited a mode from age 6 to 9 years. Author(s):  C.P. Sutton and P.L. Horn (New Zealand) Title ... not be sexed. Precision estimates and age bias plots indicated that there was good within-reader and ...

   Meeting Document : WG-FSA-10/20 : Автор(ы): C.P. Sutton and P.L. Horn (New Zealand)

2. ADÉLIE PENGUIN SURVIVAL: AGE STRUCTURE, TEMPORAL VARIABILITY AND ENVIRONMENTAL INFLUENCES

   survival for the younger penguins whereas either too little or too much ice (between 15 and 80% cover) in ... resight data over a sixteen year period. This analysis required an extension to the basic Cormack-Jolly ... challenging to study, especially for winter migratory species such as the Adélie penguin (Pygoscelis adeliae ... annual survival of an Adélie penguin population using mark-recapture models based on penguin tag and ...

   Meeting Document : WG-EMM-11/P4 : Автор(ы): L. Emmerson and C. Southwell

3. Age determination of the Antarctic fishes Champsocephalus gunnari and Notothenia rossii from South Georgia

   necessity for an errorless estimation of age. Age determination can provide basic life history information ... 55 cm in 7 years. The lack of: the large size groups for Notothenia rossii may be indicative of over ... fishing and that only the younger age groups are available for harvest. It appears that length at age data ... , including mortality, population age structure, and changes in individual growth. Most investigations have ...

   Meeting Document : SC-CAMLR-VI/BG/43 : Автор(ы): R. Radtke (USA)

4. AGE ESTIMATION AND LEAD-RADIUM DATING OF ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI)

   used as an independent chronometer to determine age. Age estimates indicated Antarctic toothfish live ... to at least 39 years of age. Estimated and radiometric ages were in close agreement, confirming age ... Abstract:  Antarctic toothfish (Dissostichus mawsoni) are subject to an increasingly important ... rates, remain unknown. In this study, Antarctic toothfish were aged using otolith age estimation ...

   Meeting Document : WG-FSA-08/17 : Автор(ы): C.M. Brooks, A.H. Andrews, J.R. Ashford, G.M. Cailliet, N. Ramanna and C. Lundstrom (USA)

5. A preliminary assessment of age and growth of eel cod (Muraenolepis sp.) and violet cod (Antimora rostrata) in the Ross Sea, Antarctica

   estimated age of 9.5 years. Von Bertalanffy parameters derived from female and unsexed fish only are: L ... age of 41.5 years. Von Bertalanffy parameters derived from female and unsexed fish only are: L., 78.4 ... Abstract:  Samples of an eel cod (Muraenolepis sp.) and violet cod (Antimora rostrata) were ... obtained from the bycatch of the longline fishery for toothfish (Dissostichus mawsoni and D. eleginoides ...

   Meeting Document : WG-FSA-10/19 : Автор(ы): P.L. Horn and C.P. Sutton (New Zealand)

6. Length-age composition of icefish (Champsocephalus gunnari, perciformes, notothenioidei, Channichthyidae) from different locations of South Georgia Island subarea

   Ch.gunnari length-age composition structure at early years of life for fish inhabiting areas to the south of ... South Georgia Island Subarea. An analysis of Ch.gunnari length-age groups spatial distribution over ... have been used to study length-age composition of Champsocephalus gunnari from different locations of ... Eastern, Northern, Western, Southern Island Shelf and near Shag Rocks allowed for revealing similarity of ...

   Meeting Document : WG-FSA-00/32 : Автор(ы): Zh.A. Frolkina (Russia)

7. Age validation of juvenile Notothenia rossii at Potter Cove, South Shetland Islands, using mark-recapture data

   Abstract:  Among all validation methods of age determination in fish, release of known age and ... Notothenia rossii at Potter Cove, to validate, for first time for this species using this method, the ... principle of annual deposition of an annulus in scales and otoliths. Of 132 juvenile specimens (TL = 22.1 ... –38.1 cm) tagged and released in successive years from 2004 to 2010, 7 were recaptured at the same site ...

   Meeting Document : WG-FSA-13/P01 : Автор(ы): E. Moreira, E. Barrera-Oro and M. La Mesa

8. Age determination of Antarctic krill using size, fluorescence, and image analysis techniques

   constructed to relate the image analysis parameters to age approached 90% for the ages defined by length ... frequency, and 52% for physiological age. Author(s):  M.S. Berman, A.L. McVey and G. Ettershank (USA) Title ... methods indicate 6 year classes for adult krill. Correspondence between the ages determined by the two ... determined using length frequency analysis and the fluorescent age pigment (FAP) technique. Results of both ...

   Meeting Document : SC-CAMLR-VI/BG/48 : Автор(ы): M.S. Berman, A.L. McVey and G. Ettershank (USA)

9. Alternative method of the age composition assessment on the basis of surveys length data using mixture distributions

   the hypothesis of non-zero observations lognormal distribution for a large number of length groups ... Mare commonly used by CCAMLR in icefish age composition of abundance indices determination. To solve ... comparison of this method and the method by de la Mare for length series, estimated with Aitchison’s method ... tested on the length series obtained with the bootstrap method on the basis of the above mentioned ...

   Meeting Document : WG-FSA-05/78 : Автор(ы): P. Gasyukov (Russia)

10. Age Determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula Subarea (Subarea 48.1)

    cross sections proved to be the most reliable method. Mean length data at age presented here for Low I ... Abstract:  Age determination was carried out on Notothenia gibberifrons specimens collected at two ... from the difficulty to differentiate false from annual checks in scales. Age determination by otolith ... . specimens were compared with previous published values. This confirmed that fishes from the Antarctic ...

    Meeting Document : WG-FSA-88/15 : Автор(ы): E. Barrera-Oro (Argentina)

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