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1. Net-based verification of acoustic techniques used to identify Antarctic krill

   ' using an SDWBA-derived range for Sv120-3, (iii) '2 freq 2-16'- with an Sv120-38 range ... of 2-16 dB and (iv) '2 freq 2-12'-with an Sv120-38 range of 2-12 dB The '3 freq model ... orientation distributions for the two cruises were estimated with the SDWBA model, with cruise specific ... orientation distributions applied the performance of the '3 freq model' was comparable with the two ...

   Meeting Document : SG-ASAM-09/04 : Author(s): J. Watkins and S. Fielding (United Kingdom)

2. Research plan for the 2017/18 exploratory longline fishery of D. mawsoni in Subarea 48.6 by South Africa and Japan

   in the last one years as effective for the biomass estimation, except for 48.6_4 with the last three years ... years as effective for the biomass estimation, except for 48.6_4 with the last three years ...

   Meeting Document : WG-SAM-17/03 : Author(s): Delegations of Japan and South Africa

3. A RISK ASSESSMENT TO ADVISE ON STRATEGIES FOR SUBDIVIDING A PRECAUTIONARY CATCH LIMIT AMONG SMALL-SCALE MANAGEMENT UNITS DURING STAGE 1 OF THE STAGED DEVELOPMENT OF THE KRILL FISHERY IN SUBAREAS 48.1, 48.2, AND 48.3.

   level. Relative to Fishing Options 2 and 3, fishery performance under Option 4 is also poor, with ... . (2008) to assess the risks and tradeoffs associated with various management strategies for subdividing ... selecting among Fishing Options 2, 3, and 4 are tradeoffs between the risks to predator populations and ... of Fishing Option 3 will also require substantive fishery operations in pelagic SSMUs, but, if krill ...

   Meeting Document : WG-EMM-08/30 : Author(s): G.M. Watters, J.T. Hinke (USA) and S. Hill (United Kingdom)

4. Operational interactions between cetaceans and the Patagonian toothfish (Dissostichus eleginoides) industrial fishery off Southern Chile

   (Dissostichus eleginoides) fishery were assessed in southern Chile through 7 surveys with observers on board ... present, evidence of damaged catch included lips, heads and trunks and a total of 121 lips, 16 heads and 3 ... trunks were recovered. Mean rate of predation was 3% (± 2% CI 95%; n=180 sets) and ranged between 0% and ... fishing grounds are also traditional feeding grounds for sperm whales. Monetary loss associated with ...

   Meeting Document : WG-FSA-03/95 : Author(s): R. Hucke-Gaete, C.A. Moreno and J.A. Arata (Chile)

5. Lead-radium dating provides a framework for coordinating age estimation of Patagonian toothfish (Dissostichus eleginoides) between fishing areas

   range from approximately 20 to more than 50 years. In this study, lead-radium dating provided valid ages ... in transverse otolith sections, and longevity estimates exceeding 30 years. Lead-radium dating revealed minor ... Facility (CAF), using different age estimation techniques. For CQFE, under-ageing of ca. 3.3 years ... was observed across estimated ages younger than 20 years. For the CAF, ages were overestimated for young fish ...

   Meeting Document : WG-FSA-11/P01 : Author(s): A.H. Andrews, J.R. Ashford, C.M. Brooks, K. Krusic-Golub, G. Duhamel, M. Belchier, C.C. Lundstrom and G.M. Cailliet

6. Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in trammel net catches at Potter Cove, South Shetland Islands

   has continued in Potter Cove from 1991 to 1998, covering a continuous sampling period of 15 years ... and G. gibberifrons in the last 15 years is the effect of the offshore commercial fishery in the area in the late ... in Potter Cove from 1991 to 1998, covering a continuous sampling period of 15 years and in Harmony Cove ... in the last 15 years is the effect of the offshore commercial fishery in the area in the late 1970s ...

   Meeting Document : WG-FSA-98/57 : Author(s): E. Barrera-Oro, E.R. Marschoff and R.J. Casaux (Argentina)

7. Long-term study of the at-sea distribution of seabirds and marine mammals in the Scotia Sea, Antarctica

   -bellied Storm Petrel. Antarctic Prion was the dominant species within the 5 years whereas Cape petrel ... encounter rate in the five years (0.29 ± 1.57 whale/nautical mile), followed by Humpback whale (0.09 ± 0.54 ... Storm Petrel. Antarctic Prion was the dominant species within the 5 years whereas Cape petrel showed ... in the five years (0.29 ± 1.57 whale/nautical mile), followed by Humpback whale (0.09 ± 0.54 ...

   Meeting Document : WG-EMM-14/06 Rev. 1 : Author(s): J.L. Orgeira, M. Alderete, Y.G. Jiménez and J.C. González (Argentina)

8. Results from the reduced groundfish survey conducted in CCAMLR Subarea 48.3 in January 2012

   random hauls were completed around Shag Rocks with 3 additional opportunistic sites at South Georgia ... . Reasonable catches of Patagonian toothfish were found around Shag Rocks (greater than in 2009 and 2010), with ... -weighted length frequencies of mackerel icefish indicated that 2+ and 3+ sized fish dominated at Shag Rocks ...

   Meeting Document : WG-FSA-12/37 : Author(s): J. Brown, S. Gregory, A. Stanworth, V. Carretero, G. Baker and M. Belchier (United Kingdom)

9. CEMP cameras data validation experiment at the Galindez Island gentoo colonies

   pictures processed with the standard deviation for each event vary from ±1 to ±3 days for 5 control nests ... cameras installed. The results of visual observations have been compared with data from camera pictures ... demonstrates the reasonable correspondence within 0-3 days between visual observations and data, obtained by ...

   Meeting Document : SC-CAMLR-XXXVII/BG/20 : Author(s): A. Dzhulay, V. Smagol, G. Milinevsky, I. Dykyy, A. Simon, M. Telipska, E. Dykyy, L. Pshenichnov and A. Grytsai

10. Report on Dissostichus mawsoni exploratory fishery research in East Antarctica (Divisions 58.4.1 and 58.4.2) between the 2011/12 and 2017/18 fishing seasons

    provides a summary of responses to the recommendations with references to the associated outputs in this ... survival and effective tag-detection rates (Figure 3, Table 3) Report on Milestone 2.2 of WG-FSA-17/18 Rev ... ’ (Appendix 1) Report on Milestone 2.3 of WG-FSA-17/18 Rev. 1 ‘Sharing of environmental data with SOOS ... for toothfish within research blocks or across SSRUs and Divisions’ (Appendix 3 and 4) This paper also ...

    Meeting Document : WG-FSA-18/58 Rev. 1 : Author(s): P. Yates and P. Ziegler

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