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1. Notes on the availability of three important finfish species in offshore waters of the lower South Shetland Islands (Subarea 48.1)

   Abstract:  In 1998, an offshore scientific trawl survey of bottom fish sampling within the 50-500 ... , the abundance of two commercially important Antarctic fish, Notothenia rossii and Gobionotothen gibberifrons has ... been monitored relative to another potentially exploitable fish, Notothenia coriiceps, in the lower ... In 1998, an offshore scientific trawl survey of bottom fish sampling within the 50-500 m isobath ...

   Meeting Document : WG-FSA-99/31 : Author(s): C.D. Jones (USA), E.R. Barrera-Oro, E.R. Marschoff and R.J. Casaux (Argentina)

2. CONDITIONING SMOM USING THE AGREED CALENDAR OF OBSERVED CHANGES IN PREDATOR AND KRILL ABUNDANCE: A FURTHER STEP IN THE DEVELOPMENT OF A MANAGEMENT PROCEDURE FOR KRILL FISHERIES IN AREA 48

   data on fish catches, the model estimates the starting (1970) fish abundance level, with results ... suggesting that fish populations in several of the SSMUs are much reduced compared to their 1970 levels ... than other predators to decreasing levels of krill abundance. Given data on fish catches, the model ... estimates the starting (1970) fish abundance level, with results suggesting that fish populations in several ...

   Meeting Document : WG-EMM-08/44 : Author(s): É.E. Plagányi and D.S. Butterworth (South Africa)

3. Pleuragramma antarcticum distribution in the Ross Sea during late austral summer 2013

   , there is still much unknown about larval fish distribution in the Ross Sea, Antarctica. During a United States ... made up more than 99% of the icthyoplankton in the western Ross Sea. Most of these fish had hatched ... during the current season. Length data from these fish obtained over the course of the cruise supports ... , there is still much unknown about larval fish distribution in the Ross Sea, Antarctica. During a United States ...

   Meeting Document : WG-EMM-14/38 : Author(s): C. Brooks and K. Goetz (USA)

4. Proposal of extension of research block 48.6_2 to complete planned research and examine the habitat model and the stock structure

   in its southeastern bank (south of ca. 55.2°S) with higher fish densities but scarce in the northern area ... with lower fish densities, and it has not taken approximately 50-70% of the annual catch limit (CL=170 tonnes ... along the extended ridges. Moreover, the fishes tagged and released tended to move along the ridges ... southeastern bank (south of ca. 55.2°S) with higher fish densities but scarce in the northern area ...

   Meeting Document : WG-SAM-16/08 : Author(s): T. Namba, T. Ichii and K. Taki

5. Behaviour of Dissostichus eleginoides fitted with archival tags at Heard Island: preliminary results

   data they recorded is analysed here. Most of the fish had periods of active vertical movement ... movement was influenced by the bottom topography, with fish on the relatively shallow plateau ... they recorded is analysed here. Most of the fish had periods of active vertical movement alternating ... was influenced by the bottom topography, with fish on the relatively shallow plateau or in the bottom of a valley ...

   Meeting Document : WG-FSA-02/60 : Author(s): R. Williams and T. Lamb (Australia)

6. An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 and 88.2 up to 2005/06

   % of the recaptures could not be matched to a release observation, mainly because of missing release data. Two fish ... toothfish have moved less than 50 km. Sub adult fish (80–100 cm) have tended to move further than adults ... being tagged so that for the first time the size distribution of the tagged fish in the Ross Sea ... not be matched to a release observation, mainly because of missing release data. Two fish tagged and recaptured ...

   Meeting Document : WG-FSA-06/34 : Author(s): A. Dunn and S.M. Hanchet (New Zealand)

7. AGE AND GROWTH OF SPINY ICEFISH, CHAENODRACO WILSONI REGAN, 1914, OFF JOINVILLE-D'URVILLE ISLANDS (ANTARCTIC PENINSULA)

   . The age of fish was estimated by counting annuli on transverse sections obtained by grinding and polishing ... and a considerable short life span. The fish population of C. wilsoni caught in the studied area consisted mainly ... of adult specimens between 1 and 3 years of age, with very few older fish. Author(s):  M. La Mesa, A. De ... . The age of fish was estimated by counting annuli on transverse sections obtained by grinding and polishing ...

   Meeting Document : WG-FSA-08/33 : Author(s): M. La Mesa, A. De Felice (Italy), C.D. Jones (USA) and K.-H. Kock (Germany)

8. Influence of the quality and quantity of data from a multi-year tagging program on bias and precision of biomass estimates from an integrated stock assessment – update

   program, in particular the effects of the size (tag size-overlap) and numbers of tagged fish, the duration ... size-overlap is imperative to maximise the likelihood of a robust assessment. Tagging fish with a low ... ’ in the data by strongly reducing the fish biomass is not needed for tag-based assessments, since data obtained ... , in particular the effects of the size (tag size-overlap) and numbers of tagged fish, the duration of the tagging ...

   Meeting Document : WG-FSA-12/18 : Author(s): P.E. Ziegler (Australia)

9. Long-distance movements of Patagonian (Dissostichus eleginoides) and Antarctic toothfish (D. mawsoni) from fishery-based mark-recapture data

   and released of which 10 511 (9.4%) have been recaptured;  for Antarctic toothfish there have been 69 067 fish ... of Patagonian and 14 Antarctic toothfish where fish had made movements greater than 200km. Of the fish making ... of which 10 511 (9.4%) have been recaptured;  for Antarctic toothfish there have been 69 067 fish ... of Patagonian and 14 Antarctic toothfish where fish had made movements greater than 200km. Of the fish making ...

   Meeting Document : WG-FSA-17/06 : Author(s): CCAMLR Secretariat

10. Estimates of the tag loss rates for single and double tagged toothfish (Dissostichus mawsoni) fishery in the Ross Sea

    update their estimates and calculate tag loss rates for both single and double tagged fish for use within ... and subsequently recaptured fish suggested that the loss rate was about 3.5% (95% C.I.s 0.020–0.054) of individual ... –0.052) tags per year. For double tagged fish this corresponds to 99.5% of double tagged fish having ... , 2009b), with the loss rates slightly over-estimated for double tagged fish in the first four years ...

    Meeting Document : WG-SAM-11/18 : Author(s): A. Dunn, M.H. Smith (New Zealand), D.J. Agnew (UK) and S. Mormede (New Zealand)

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