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1. An investigation of integrated stock assessment methods for the Patagonian toothfish (Dissostichus eleginoides) in Division 58.5.2 using CASAL

   primarily based on the 2005 assessment implemented in the Generalised Yield Model (GYM) using survey data of ... mark-recapture data generally improves the confidence in the estimates of B0 and the recruitment series ... to appropriately accommodate this uncertainty in the estimate of long-term annual yield. Further ... approaches being used to estimate the key parameters. An important stage in the development of this ...

   Meeting Document : WG-FSA-SAM-06/14 : Author(s): A. Constable, S. Candy and I. Ball (Australia)

2. Background information to support development of a feedback management strategy for the krill fishery in Subarea 48.1

   information needed to support development of a feedback management strategy for the krill fishery in Subarea ... Subarea 48.1 will both facilitate and expedite the allocation of a catch limit in the subarea without ... review the logic for these gSSMUs and then use the gSSMU concept in many of the vignettes that follow. In ... fourth vignette, we examine how temporal variability in the seasonal sea-ice coverage of gSSMUs is ...

   Meeting Document : WG-EMM-16/45 : Author(s): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries

3. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2005/06

   combined catch limit of 3451 t. The subarea catch limit was almost reached in both Subarea 88.1 and 88.2 ... catch limit being slightly exceeded in the 2006 season. Concentration of effort within a smaller spatial ... are beginning to emerge concerning the size distribution of fish from the different areas in Subareas ... as well as the occurrence of small juveniles in much deeper water on the continental slope in Subarea ...

   Meeting Document : WG-FSA-06/29 : Author(s): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)

4. Preliminary assessment of Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002

   58.5.2 in the vicinity of Heard Island in May 2002 to provide the information for an assessment of long ... estimate of biomass of juvenile Patagonian toothfish in the vicinity of Heard Island was similar to the ... of recruitment being increased for some recent years. An assessment of the trend in illegal catches ... than for the 2001/02 season because of the revision in the recruitment series. The time-trend in ...

   Meeting Document : WG-FSA-02/70 : Author(s): A.J. Constable, R. Williams and T. Lamb (Australia)

5. Entanglement of Antarctic fur seals (Arctocephalus gazella) in man made debris at Bird Island, South Georgia, during the 2006 winter and 2006/07 breeding season

   total of 41 winter entanglements were observed in the reporting period compared to 2 observed in the ... loop of rope similar to that shown in appendix three. Plastic packaging bands were the second most ... ) were involved in 56% of all entanglements in winter and 53% in the summer. Overall females made up the ... majority of the sexed individuals in all age classes (43%) compared to males (33%) and the remainder ...

   Meeting Document : SC-CAMLR-XXVI/BG/17 : Author(s): Delegation of the United Kingdom

6. Revised research plan for the 2013/14 exploratory longline fishery of Dissostichus spp. in Division 58.4.1

   that the numbers of tag recoveries in the 2016 season shows an approximately 0.3 of coefficient ... blocks, in order to promote successful stock assessment. We tentatively examined the degree of coverage ... of the austral summer sea-ice in the current research blocks during past 10 years. The sea-ice ... freely between the separated lines. In this way, over-concentration of catch and effort can be avoided ...

   Meeting Document : WG-FSA-13/38 : Author(s): Delegation of Japan

7. Change in environmental conditions of the Southern Ocean observed by satellites and data-assimilating models between 1981 and 2019

   Abstract:  We provide a summary of environmental change in the Southern Ocean over the period of ... movement north of the Subantarctic Front; (3) increasing chl-a and NPP in the Subantarctic Front and around ... the southern limit of the ACC except in the Ross Sea region; (4) decreasing chl-a and NPP in the Ross ... Sea sector and on the Antarctic continental shelf; (5) gradual loss of sea-ice in the Amundsen Sea and ...

   Meeting Document : WG-EMM-2019/39 : Author(s): M. Pinkerton

8. Progress towards an assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 882C–H for the years 2002/03 to 2017/18 using a two-area model

   collect mark-recapture data in the South to inform the estimation of biomass in the South. Simulation work ... size of the population in the south and migration rates between areas. Biomass estimates are in ... of the tag recaptures in the South (almost all recaptures in research block 882_2). We recommend that ... fishing effort, as well as further investigations of the distribution of fish in relation to their length ...

   Meeting Document : WG-FSA-18/37 : Author(s): S. Mormede and S. Parker

9. Mackerel icefish biomass and distribution on the results of acoustic survey carried out in February–March 2002

   estimates of icefish were made by comparison an observed TS in situ histograms with the size composition of ... are also available. The bottom biomass resulted in the estimate of 62,328.0 tonnes. The sum acoustic ... estimate of the icefish biomass in the subarea of South Georgia amounted to 92.6 thous. tonnes. Nearly 30 ... % of this biomass was concentrated in the pelagic zone. If acoustic estimates of pelagic and bottom ...

   Meeting Document : WG-FSA-02/44 : Author(s): S.M. Kasatkina, V.Yu. Sunkovich, A.P. Malyshko and Zh.A. Frolkina

10. 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 ... results of the first two years longline fishing in 58.5.2: a total of 2.2 million hooks have been set and ... fishery in daylight and in summer suggest that the absence of seabird mortality in 58.5.2 is due to the ... low incidence of longline-vulnerable seabirds in winter, the minimum line sink rate and the use of ...

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

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