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1. Comparison of Champsocephalus gunnari catches in Subarea 48.3 from1994–97 and 2013 cruises

   Abstract:  The local densities of Champsocephalus gunnari   observed in the 2013 survey are ... in the early 1990’s was due to recruitment collapse, probably a consequence of overfishing. Author(s ... sampled was found. The comparison of the length distribution functions suggests that the stock depletion ... ):  E. Marschoff and P. Martínez (Argentina) Title:  Comparison of Champsocephalus gunnari catches in ...

   Meeting Document : WG-FSA-13/65 : Autor(es): E. Marschoff and P. Martínez (Argentina)

2. Stock assessment of D. eleginoides in Subarea 48.3 using dynamic production models

   in subarea 48.3. This type of the models differ from the models currently used by CCAMLR Working ... of intensive fishery was at the level of 22-24 thousand tons. In 1989-1990 stock size increased (to ... mortality, age selectivity, recruitment estimates, mean weight at age) In the calculations with DPM (with ... estimates by years of fishing. Both models showed that the D. eleginoides stock status at the initial period ...

   Meeting Document : WG-FSA-02/78 : Autor(es): P.S. Gasiukov and R.S. Dorovskich (Russia)

3. Report on recent French catches of sea pens (Pennatulacea) in Lena Bank (CCAMLR sector 58.4.4b)

   Abstract:  Important catches of sea pens (Pennatulacea, NTW) in the 58.4.4b sector (Lena bank ... ) have been reported during the CCAMLR SAM Working Group 2018 (see WG-SAM-18/31 "Annual report of ... includes the exhaustive collection of the organisms caught by the longlines (see WG-EMM-17/09). This report ... :  Report on recent French catches of sea pens (Pennatulacea) in Lena Bank (CCAMLR sector 58.4.4b) Approval ...

   Meeting Document : WG-FSA-18/23 : Autor(es): A. Martin, J. Blettery and M. Eléaume

4. Preliminary tag-recapture based population assessment of Antarctic toothfish in Subarea 48.4

   Abstract:  The stock of Antarctic toothfish in the CCAMLR subarea 48.4 was conservatively ... /16 yield of 24 t for the Antarctic toothfish in the region, compared to the previous 2014/15 ... estimated using the Chapman method as 621 tonnes. At a harvest rate of γ = 0.038 this would indicate a 2015 ... ) Title:  Preliminary tag-recapture based population assessment of Antarctic toothfish in Subarea 48.4 ...

   Meeting Document : WG-FSA-15/31 : Autor(es): N.D. Walker, V. Laptikhovsky, T. Earl and C. Darby (United Kingdom)

5. A multi-frequency method for improved accuracy and precision of in situ target strength measurements

   provided information about the identity of constituents in a mixed species assembly. Author(s):  Hewitt ... Abstract:  The effectiveness of a split-beam echosounder system to delineate single scatterers and ... synchronized signals from two or more adjacent split-beam transducers of different frequencies. The accuracy of ... from one of the split-beam transducers, additional corresponding TS measurements can be collected with ...

   Meeting Document : WG-EMM-97/24 : Autor(es): Hewitt, R.P., Soule, M.A., Demer, D.A.

6. Standardised estimates of D. eleginoides catches per effort in Subarea 48.3 using information for 1985/86–1990/91 seasons

   tooth-fish in Subdivision 48.3 during 1986-199 1 is presented. The fishery was mainly carried out in ... -100 cm, which exceeded modes for the latest years of fishery. Using the generalized additive model the ... catch per effort estimates for 1986-99 were standardize. The fishery efficiency in 1986-95 was ... approximately similar, while in 1996-99 it decreased sharply. It is shown that significance of such factors as a ...

   Meeting Document : WG-FSA-00/33 : Autor(es): P. Gasiukov (Russia) and V. Bibik (Ukraine)

7. Oxygen and carbon stable isotopes in otoliths record spatial isolation of Patagonian toothfish (Dissostichus eleginoides)

   distinguish South American-caught fish from those taken in the Antarctic. Values of δ18O and δ13C predicted ... prior evidence of population isolation. Values of δ18O in the otoliths reflected ambient values as well ... Abstract:  Strong contrasts in ambient isotope ratios and in diet suggest stable isotopes in the ... depletion of δ13C at South Georgia compared to the Patagonian Shelf were most likely linked to differences ...

   Meeting Document : WG-FSA-08/P03 : Autor(es): J.R. Ashford and C.M. Jones

8. Variation in reproductive performance of seabirds and seals at South Georgia, 1976–1986 and its implications for southern ocean monitoring studies

   Orkney Islands) are summarised and reviewed. Breeding success of the Wandering Albatross, which breeds in ... . The fluctuations in reproductive performance of the krill-eating, summer-breeding penguins at Signy ... Chinstraps, which suffered badly in 1980-81 and 1982-83) with the date of ice break-out in late spring ... , penguin and fur seal biology. The results are reviewed in terms of their suitability for detecting changes ...

   Meeting Document : SC-CAMLR-VI/BG/15 : Autor(es): J.P. Croxall, T.S. McCann, P.A. Prince and P. Rothery (United Kingdom)

9. Interactions between seabirds and deep water hake trawl gear: an assessment of impacts in South African waters 2004/05

   Abstract:  This study estimates the mortality of seabirds in the South African deep water hake ... 000-31 000) birds killed per year, of which 85% are killed on warps and 15% entangled in nets. Of the ... of fishery wastes. Using a bootstrapping approach to estimate 95% confidence intervals (CI), the ... dumping in summer. Serious warp incidents were independent of age among albatrosses, but there was a ...

   Meeting Document : WG-FSA-06/41 : Autor(es): B.P. Watkins, S.L. Petersen and P.G. Ryan (South Africa)

10. Brief analysis of tag-recapture data in Statistical Subarea 48.4

    Patagonian toothfish (Dissostichus eleginoides) in Subarea 48.4. It describes the tagging procedure, the ... information gained about biology, growth and movement of Patagonian toothfish, and looks at the potential link ... between statistical subareas 48.3 and 48.4. The characterisation of tag recapture data from Subarea 48.4 ... shows that the tagging programme is successful in providing substantial information for the stock ...

    Meeting Document : WG-FSA-14/50 : Autor(es): M. Soeffker, C. Darby, M. Belchier and R. Scott (United Kingdom)

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