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1. Updating the Antarctic krill biomass estimates for CCAMLR Subareas 48.1 to 48.4 using available data

   variation was significant (CV=73%) but no systematic change in krill biomass was evident during the period ... , based on data from scientific nets and covering the years between 2000 and 2011. The annual biomass ... . The index also suggests that realised exploitation rates were below 0.5% (i.e. catch was <0.5% of ... biomass) and that the potential exploitation rates implied by the operational catch limit (the trigger ...

   Meeting Document : WG-EMM-15/28 : Author(s): S. Hill, A. Atkinson, C. Darby, S. Fielding (United Kingsom), B. Krafft, O.R. Godø, G. Skaret (Norway), P. Trathan, J. Watkins (United Kingdom)

2. Proposal for the removal of night setting requirement for autoline vessels fishing in Division 58.5.2

   fishing in Division 58.5.2 to occur at any time of the day/night cycle. The proposal forms part of an ... adaptive approach to management, which considers the risk status of the fishery, knowledge on the ... effectiveness of mitigation measures, mitigation performance record of the vessel, seabird mortality levels and ... assessment of the likely effects of individual mitigation measures to total mitigation response. Since the ...

   Meeting Document : WG-FSA-04/73 : Author(s): G. Robertson and B. Baker (Australia)

3. A summary of the commercial fishery for mackerel icefish Champsocephalus gunnari in Subarea 48.3 during the 1997/98 season

   0.21 tonnes. The vessel's fishing master had no experience of fishing for icefish and was not well ... Abstract:  During the 1 997198 season, one vessel, Chilean registered stern trawler Betanzos ... days between 25 December 1997 and 5 January 1998. The total catch of C. gunnari was 5.04 tonnes in 34 ... hauls. 67% of this catch was taken in just two hauls, confirming the patchy distribution of this species ...

   Meeting Document : WG-FSA-98/53 : Author(s): G. Parkes, A. King and C. Jones (United Kingdom)

4. Gear loss reported by longline fishing vessels for the 2018 and 2019 fishing seasons

   no difference in the relative reporting of lost hooks by gear type, with rates of loss recorded at ... Abstract:  Gear loss as reported by longline vessels from the 2018 and 2019 fishing seasons ... . Vessels reported 1 632 km of line lost in the Convention Area, of which 27% were complete lines. There was ... 0.3% for each gear type for the past two seasons. There was a significant difference in the frequency ...

   Meeting Document : WG-FSA-2019/18 : Author(s): CCAMLR Secretariat

5. Movements of tagged Antarctic toothfish (Dissostichus mawsoni) in Subarea 48.6 in relation to stock structure hypotheses

   direction along continental shelf, which may be consistent with the single Atlantic population hypothesis ... (Söffker et al., 2018). Meanwhile, no migrations of tagged fish between northern seamounts (research blocks ... feeding grounds, respectively, have been observed to date. The lack of tag movement between the two areas ... is similar to those observed in the Amundsen Sea region (SSRUs 88.2C-H) where few tags move between ...

   Meeting Document : WG-FSA-2019/05 : Author(s): T. Ichii, M. Okazaki, T. Okuda and S. Somhlaba

6. VME detection thresholds: preliminary results of a study on the case of the sea pens (Pennatulacea) of the CCAMLR sector 58.4.4b

   CCAMLR SAM Working Group 2018. However, despite the important level of the catches, no VME detection ... Abstract:  CCAMLR has defined Vulnerable Marine Ecosystems (VME) detection thresholds based on the ... , the data are reported to the Secretariat to inform the CCAMLR about the potential presence of VME to ... of sea pens (Pennatulacea, NTW, VME bioindicator) in the 58.4.4b sector have been reported during the ...

   Meeting Document : WG-EMM-2019/52 : Author(s): A. Martin and M. Eléaume

7. Longline sink rates of an autoline vessel, and notes on seabird interactions

   trials indicate that the weighting regimes used (5 kg per 400 m) had no effect on line sink rate. However ... autoline fishing vessel working the New Zealand ling (Genypterus blacodes) longline fishery on the Chatham ... Rise, New Zealand during July and August 1998. The autoline equipment is designed to sink without ... . Further trials were conducted with weights added to the longline as in normal fishing operations. A robust ...

   Meeting Document : WG-FSA-01/44 : Author(s): N.W.McL. Smith (New Zealand)

8. Solutions to seabird by-catch in Alaska’s demersal longline fisheries

   years, regions, and fleets (88% to 100% relative to controls with no deterrent), despite the fact that ... and 2000) in 2 major Alaska demersal longline fisheries: the Gulf of Alaska /Aleutian Island ... Individual Fishing Quota fishery for sablefish and halibut and the Bering Sea catcher-processor longline ... conditions. We report the results of experimentally rigorous tests of seabird bycatch deterrents on the local ...

   Meeting Document : WG-FSA-01/35 : Author(s): E.F. Melvin, J.K. Parrish, K.S. Dietrich and O.S. Hamel (USA)

9. Results of acoustic assessment of krill biomass in Subarea 48.2 during summer 1996

   included no the southern part (southwards of 60 ° 30'S) of Subarea 48.2 where southwards off ... Abstract:  In the period from 24 February to 7 March 1996 in the cruise of RV "Atlantida" ... ' S- 60°30' S and 42 °00' W- 50°00 'w within Subarea 48.2. The study area of 19.200 ... sq.mi1es was located in the zone of two circulation systems of climatic scale interaction: Antarctic ...

   Meeting Document : WG-EMM-96/36 : Author(s): Sunkovich, V.I., Kasatkina, S.M., Abramov, V.M., Polischuk, M.I., Sushin, V.A., Shnar, V.N.

10. Assessment models for Patagonian toothfish in Division 58.4.4, SRU C on Ob and Lena Banks for the years 1989/90 to 2012/13

    . The base model assumed the constant year class strength (YCS) and no IUU fishing occurrence in SSRU C ... inconsistence with the estimated vulnerable biomasses, and stock size estimate with an assumption of no IUU ... Abstract:  I revised the CASAL catch-at-length models for stock status assessments of Dissostichus ... eleginoides in SSRUs C in Division 58.4.4 a & b (WG-SAM-13/21) following several advices during the last ...

    Meeting Document : WG-FSA-13/35 : Author(s): K. Taki (Japan)

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