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1. Update of the integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands (Division 58.5.2)

   years. A series of standardised longline CPUE data from one of the longline grounds (or subfishery ... -estimated trends in catch rates. A change of substantial consequence from the 2009 integrated assessment was ... the use of a value for natural mortality (M) of 0.155 whereas a value of 0.13 was used previously ... CASAL from catch-at-age and aged mark-recapture data as described in Candy et al. (2011). The ...

   Meeting Document : WG-FSA-11/24 : Autor(es): S.G. Candy and D.C. Welsford (Australia)

2. Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?

   Abstract:  This paper is a revised version of WG-EMM-15/28, which uses a question and answer ... to 48.4, and current knowledge about the state of the regional krill stock. The revisions provide a ... evidence for a decline in the abundance of krill in the 1980s, but no evidence of further decline over more ... show no evidence of a further decline. Extrapolation from these local monitoring programmes provides ...

   Meeting Document : WG-EMM-16/21 : Autor(es): S. Hill, A. Atkinson, C. Darby, S. Fielding, B. Krafft, O.R. Godø, G. Skaret, P. Trathan and J. Watkins

3. Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) programme: Preliminary report of the ICED–CCAMLR Projections Workshop, 5 to 7 April 2018

   for conservation and management. A final version of the report and agreed statements will be submitted ... population dynamics. A recent collaborative workshop between the Integrating Climate and Ecosystem Dynamics ... in the Southern Ocean (ICED) programme and CCAMLR brought together a range of ecologists, physical ... processes that are important within Area 48. As a result of that uncertainty, signals of projected changes ...

   Meeting Document : WG-EMM-18/09 : Autor(es): E.J. Murphy, N.M. Johnston, S.P. Corney and K. Reid

4. Standardised CPUE analysis of the Antarctic toothfish fishery in CCAMLR Subarea 88.1 from 1988/89 to 2003/04

   Abstract:  A toothfish fishery has operated during the Antarctic summer (December- May) from 1997 ... to 2004, in Subareas 88.1 and 88.2. A preliminary standardised analysis of toothfish CPUE (catch (kg ... fishery (Dunn et al. 2005). It also examines alternative approaches to modelling catch and effort data by ... similar and all explained a reasonable amount (35-46%) of the variation. The variables included in the ...

   Meeting Document : WG-FSA-04/25 : Autor(es): N.L. Phillips, R.G. Blackwell and S.M. Hanchet (New Zealand)

5. Estimation of the biomass of krill in Prydz Bay during January/February 1991, February/March 1992 and January/ February 1993 using echo integration

   and the centre of the Prydz Bay region but also found that the shelf break was in general not a region ... et al. 1988). The distribution of the Sa values for the lower biomass years 1992 and 1993 were ...

   Meeting Document : WG-Krill-94/21 : Autor(es): T. Pauly and I. Higginbottom (Australia)

6. Upward adjustments to local catch limits for the krill fishery in Subarea 48.1

   refer to a catch limit that applies to a group of SSMUs (gSSMU), and the work presented here is based on ... adjustments to local catch limits as one component of a larger strategy for feedback management (FBM) of the ... krill fishery in Subarea 48.1 (see Watters et al. 2016).  Our proposal to make upward adjustments is ... founded on 1) a “stoplight” classification of predator performance to identify years when predator ...

   Meeting Document : WG-EMM-16/47 : Autor(es): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries

7. Line weights of constant mass (and sink rates) for Spanish-rig Patagonian toothfish longline vessels

   method (a modified version of the former method to avoid fish loss by toothed whales) were examined in ... hydrodynamic than their rocks counterparts and require no maintenance. An experiment was conducted on a ...

   Meeting Document : WG-FSA-07/15 : Autor(es): G. Robertson (Australia), C.A. Moreno, E. Gutiérrez (Chile), S.G. Candy (Australia), E.F. Melvin (USA) and J.P. Seco Pon (Argentina)

8. An integrated assessment model for Antarctic krill: progress update

   whether a narrow or wide version of the age-length transition matrix was used. The biomass data calculated ... weighted, by whether natural mortality was estimated by the model or pre-assigned a value of 0.8, and by ...

   Meeting Document : WG-EMM-12/27 : Autor(es): D. Kinzey, G. Watters and C. Reiss (USA)

9. Yet further krill yield computations

   Abstract:  Preliminary computations are carried out for the krill yield model of Butterworth et al ... from those of comparative calculations in Butterworth et al. (1993), except at higher harvesting ...

   Meeting Document : WG-Krill-94/23 : Autor(es): R.B. Thomson and D.S. Butterworth (South Africa)

10. Development of the Southern Ocean Continuous Plankton Recorder survey

    the North Sea and North Atlantic Ocean. Sixty-five years later the CPR as a Type II version returned ... to Antarctic waters when the Australian Antarctic Division initiated a survey of the Southern Ocean ... patterns, as well as the annual abundance and distribution of krill larvae. The survey covers a large area ... icebreaker Shirase in collaboration with the Japanese Antarctic programme. Shirase has a fixed route and time ...

    Meeting Document : WS-BSO-07/P4 : Autor(es): Hosie, G., M. Fukuchi and S. Kawaguchi

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