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1. Age and growth of Scotia Sea icefish Chaenocephalus aceratus (Lönnberg, 1906), from the South Shetland Islands

   from different institutions. The age range was 1-17 years for females and 1- 15 years for males. Von ... asymptotic length L??(cm) and K (year-1) were respectively 79.8 and 0.07 for females and 60.0 and 0.09 for ... species. Overall, 357 specimens ranging from 13 and 67 cm (TL) were selected for the present study. Ages ... Bertalanffy growth curves were fitted to the estimated age-length data for each sex. The estimated values of ...

   Meeting Document : WG-FSA-02/77 : Autor(es): M. La Mesa, J. Ashford, E. Larson and M. Vacchi

2. Decline of Antarctic fur seal (Arctocephalus gazella) population at SSSI No. 32, South Shetlands, Antarctica, during 1997/98: a discussion of possible causes

   Shetland archipelago. We compiled historical information for Cape Shirreff and San Telmo islets located on ... performance. Hucke-Gaete et al. (1998) report that pup growth rates for 1997/98 season do not reflect an El ... Antarctic fur seal (Arctocephalus gazella) on the Antarctic peninsula region, specifically on the South ... the northen tip of Livingston island, where the most important colony of this species on the South ...

   Meeting Document : WG-EMM-98/17 : Autor(es): R. Hucke-Gaete, D. Torres, A. Aguayo and V. Vallejos (Chile)

3. INTERANNUAL SPATIAL VARIABILITY OF KRILL (EUPHAUSIA SUPERBA) INFLUENCES SEABIRD FORAGING BEHAVIOR NEAR ELEPHANT ISLAND, ANTARCTICA

   krill and birds. At sea surveys were conducted near Elephant Island, Antarctica for three years (2004 ... Abstract:  We investigate the influence of krill (principally Euphausia superba) patchiness on the ...

   Meeting Document : WG-EMM-08/P12 : Autor(es): J.A. Santora, C.S. Reiss, A.M. Cossio and R.R. Veit

4. OCCURRENCE OF DWARF MINKE WHALES (BALAENOPTERA ACUTOROSTRATA SUBSP) AROUND THE ANTARCTIC PENINSULA

   Antarctic Peninsula was examined based on 406 sightings of minke whales recorded during the Chilean ... made only for the whales sighted in the proximity of the vessels when the specific diagnostic ... were identified by the reported external diagnostic characters for this species. Seven animals occurred ... around the South Shetland Island and four in the Gerlache Strait. In addition, another two animals were ...

   Meeting Document : WG-EMM-11/P2 : Autor(es): J. Acevedo, C. Olavarría, J. Plana, A. Aguayo-Lobo, A. Larrea and L.A. Pastene

5. Coastal weather drives foraging behaviour of chinstrap penguins, Pygoscelis antarctica

   the ecosystem in an adaptive framework for sustainably managing krill catch levels, performance ... context, our study capitalises on the occurrence of an unexpected El Niño event to characterise how ... indices of krill predators have been proposed as a proxy for krill abundance.  However, there are several ... environmental variability and fishing pressure on krill availability at scales relevant to predators.  In this ...

   Meeting Document : WG-EMM-18/P14 : Autor(es): A.D. Lowther, P. Trathan, A. Tarroux, C. Lydersen and K.M. Kovacs

6. Seabird mortality in the Japanese tuna longline fishery around Australia, 1988–1995

   per year. These estimates are absolute minima because not all birds killed remain on hooks to be ... ) by Japanese longline vessels targeting tuna. In recent years the estimated rate of seabird bycatch in ... seabird bycatch data inadequate for reliable assessment of trends in total numbers of birds killed over ... time. Sixteen seabird species of birds killed on longlines in the AFZ have been identified. These ...

   Meeting Document : WG-FSA-98/31 : Autor(es): N. Brothers, R. Gales and T. Reid (Australia)

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

   transects collected between 2008 and 2014. Mean acoustic backscatter (s a) at 38 kHz varied between years ... also reflect differences in species composition and size distribution; consequently, indices based on ... MTLO and have impacts on top predators relying upon the mid-trophic level as their main food source ... :  Approved Secretariat Workflow Status:  Content Approved Delegation responsibility for releasing documents ...

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

8. Summary of Ross Sea skate tagging programme results

   years, and 47 (0.5%) have been recaptured. The recapture of tagged Amblyraja georgiana after up to four ... years at liberty shows that some skates survive and recover from being hauled out of depths of around ... not be determined, so no useful data were gathered for estimating skate growth rates. Amblyraja ... georgiana moved very little, even after four years at liberty. There was no movement between SSRUs, and the ...

   Meeting Document : WG-FSA-06/32 : Autor(es): S.L. Ballara, A. Dunn and M.P. Francis (New Zealand)

9. By-catch of juvenile fishes – the Antarctic krill fishery

   together with the massive antarctic krill exploitation during the 80's. There has been recognized ...

   Meeting Document : WG-FSA-96/18 : Autor(es): Moreno, C.A.

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

    annual survival of an Adélie penguin population using mark-recapture models based on penguin tag and ... 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 ... environmental fluctuations, broad climatic conditions and the success of the breeding season prior to winter on ...

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

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