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1. Population assessment of Patagonian toothfish in Subarea 48.4 – 2011 update

   catch at age model generates a yield of 52 tonnes based on CCAMLR decision rules. In 2006 the northern ... Abstract:  In this paper we update the assessment of D. eleginoides in the northern half of ... Subarea 48.4 presented in 2010. The CASAL model is improved through the incorporation catch at age data ... , as an alternative to the catch at length data that were the only such data available in 2010. The ...

   Meeting Document : WG-FSA-11/38 : Автор(ы): J. Roberts, R. Mitchell and R. Wakeford (United Kingdom)

2. On the accuracy of the pellet analysis method to estimate the food intake in the Antarctic shag Phalacrocorax bransfieldensis

   Phalacrocorax bransfieldensis was tested at two localities of the South Shetland Islands. F or such purpose, the ... results from the analysis of 226 and 115 pellets collected at Harmony Point and at Duthoit Point ... Abstract:  The accuracy of correction factors estimated to compensate the digestion and loss ... through the gastrointestinal tract of the otoliths of fish represented in pellets of the Antarctic Shag ...

   Meeting Document : WG-EMM-97/61 : Автор(ы): Casaux, R.

3. On the problem of icefish (Champsocephalus gunnari) (Channichthyidae) and krill (Euphausia superba) interaction in the South Georgia area

   the data of the national fishery. It is demonstrated that?.gunnari both at the early development ... stages and as adults utilize the pelagic forage resource, the bulk of which is constituted by krill. At ... Abstract:  The interaction of icefish and krill in the South Georgia area has been analysed on the ... basis of the trawling, acoustic and juvenile fish surveys carried out by AtlantNIRO during 1986-2002 and ...

   Meeting Document : WG-FSA-04/41 : Автор(ы): S.M. Kasatkina and Zh.A. Frolkina (Russia)

4. Preliminary acoustic results from the New Zealand IPY-CAML survey of the Ross Sea region in February-March 2008

   trawls were carried out at randomly selected locations over the shelf as part of the core biodiversity ... highest at 120 kHz), which is characteristic of species without an air-filled swimbladder. Acoustic target ... Ross Sea region in support of the International Polar Year Census of Antarctic Marine Life (IPY-CAML ... ). The 50 day voyage on the research vessel Tangaroa involved an extensive survey of marine organisms ...

   Meeting Document : SG-ASAM-09/05 : Автор(ы): R. O’Driscoll, G. Macaulay, S. Gauthier, M. Pinkerton and S. Hanchet (New Zealand)

5. Some aspects of the by-catch fish spawning and oogenesis

   continental shelf at depth of 300-600 m during summer season (may be autumn for sp. X) of the southern ... Abstract:  On the basis of the biological material collected on some by-catch fishes during ... Antarctic toothfish fishery from 2002 till 2008 in different areas of the Southern Ocean (Collaboration Sea ... , D'Urville, Ross and.mundsen Seas) it was established that spawning of C. dewitti and species X ...

   Meeting Document : WG-FSA-10/51 : Автор(ы): V. Prutko (Ukraine) and D. Chmilevsky (Russia)

6. Revised assessment models for Patagonian toothfish in research block C of Division 58.4.4, Ob and Lena Banks

   arranged referring to WG-SAM-14/18 as follows: 1) catch at length/age models on the assumption of no IUU ... fishing occurrence (Len_1/AgeSing_1 models), 2) catch at length/age models with estimation of IUU catch ... Abstract:  I made six sensitive runs of CASAL models (LENGTH/AGE_IUU_MODEL) for stock status ... assessments of Dissostichus eleginoides in research block C in Division 58.4.4 b following the recommendation ...

   Meeting Document : WG-FSA-14/23 : Автор(ы): K. Taki (Japan)

7. Morphometrics, maturity and movement of the Antarctic skates Amblyraja georgiana and Bathyraja eatonii in the Ross Sea

   length at 50% maturity of male and female B. eatonii could not be accurately determined, but may be ... were significant differences between the two sexes: females are broader and heavier than males at ... sexes combined. It is probable that large females are larger and heavier than males of the same size ... . The regressions for these species should be used with caution. The length at 50% maturity for male A ...

   Meeting Document : WG-FSA-02/42 : Автор(ы): M.P. Francis and N.W. McL. Smith (New Zealand)

8. The relative by-catches of taxa associated with vulnerable marine ecosystems by autolines and Spanish longlines

   greater than Spanish bycatch at all depths represented in our data. Limiting the use of Autolines, which ... bycatches of VME taxa made by vessels using Autolines and Spanish longlines. The fractions of sets with ... positive bycatch, as well as the weights of bycatch when bycatches were observed, were higher for Autolines ... the large number of zero-bycatch sets, we found that both the amounts of positive bycatches and the ...

   Meeting Document : WG-FSA-13/41 : Автор(ы): T. Gerrodette and G.M. Watters (USA)

9. Assessment of toothfish in Subarea 48.3, 2006

   trends and construct a model that uses age-based observations, specifically estimates of catches at age ... SSB is now at or close to 50% of its unexploited level. Simple MPD projections suggest that catches in ... 48.3. We provide sensitivity runs that include revised maturity and catch weighted proportion at length ... requested by the Joint Assessment Group. 2. Also as requested by SAM-2006, we provide a review of CPUE ...

   Meeting Document : WG-FSA-06/53 : Автор(ы): D.J. Agnew, R. Hillary, M. Belchier, J. Clark and J. Pearce (United Kingdom)

10. Classification of Southern Ocean krill and icefish echoes using Random Forests

    echograms and analysis of differences in mean volume backscattering strengths (S V; dB re 1 m-1) measured at ... the random forest. Time-of-day and the difference between S V at 120 kHz (S V 120) and that at 38 kHz ... Abstract:  Target identification remains a challenge for acoustic surveys of marine fauna ... . Antarctic krill, Euphausia superba, are typically identified through a combination of expert scrutiny of ...

    Meeting Document : WG-EMM-16/23 : Автор(ы): N. Fallon, S. Fielding and P. Fernandes

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