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1. Information on the spawning season and gonadosomatic indices of Dissostichus mawsoni from Subarea 88.1 in the 2001/02 season

   Abstract:  Data on maturity, gonadosomatic index (GSI) and length/weight of Antarctic toothfish ... longline vessels Janas and San Aotea II operating in the Exploratory Fishery. The onset of the spawning ... season was identified as late autumn (May). A significant difference in the condition of fish between ... summer and autumn was noted, and this may be a result of migration f or spawning. The maximum GSI ...

   Meeting Document : WG-FSA-02/31 : Author(s): G.J. Patchell (New Zealand)

2. Bycatch of skates (Rajiformes) and grenadiers (Macrouridae) in longline fisheries in Subarea 48.3

   Abstract:  This paper investigates factors affecting the bycatch of skates (Rajiformes) and ... to the sea bed and type of bait used. The areas of greatest catch rates differed by area and depth ... range. During the period 1996–1999 skate bycatch was higher in February-March, while that of grenadiers ... . Ellis and R. Scott (United Kingdom) Title:  Bycatch of skates (Rajiformes) and grenadiers (Macrouridae ...

   Meeting Document : WG-FSA-14/47 Rev. 1 : Author(s): V. Laptikhovsky, M. Soeffker, M. Belchier, J. Roberts, C. Darby, J. Ellis and R. Scott (United Kingdom)

3. CEMP data summary and updated analysis of CEMP data from Subarea 48.

   krill-based ecosystems, providing a basis for regulating harvesting of Antarctic living marine resources ... been submitted for 2016/17, including an area-based comparison of the 2016/17 observations with  the ... previous season A summary of available CEMP data and metadata and any issues encountered with data ... submitted to the Secretariat. An update on the spatial analysis of CEMP data in subarea 48.1 using Combined ...

   Meeting Document : WG-EMM-17/17 : Author(s): CCAMLR Secretariat

4. Quantifying uncertainty in the Chapman mark-recapture estimate of abundance

   estimate biomass in the initial stage of developing an assessment. This short paper describes the use of ... the R package tagr to obtain Petersen / Chapman estimates of abundance. The package implements a non ... WG-FSA encourage Members to provide estimates of uncertainty associated with indicative biomass ... . Welsford (Australia) Title:  Quantifying uncertainty in the Chapman mark-recapture estimate of abundance ...

   Meeting Document : WG-FSA-15/49 : Author(s): P. Burch (Australia), S. Parker (New Zealand) and D. Welsford (Australia)

5. Preliminary insights of Antarctic toothfish sub-adults life-history traits from the southern Weddell Sea (Subarea 48.5)

   Abstract:  A few sub-adults of the Antarctic toothfish (Dissostichus mawsoni) were collected by ... -Larsen Ice Shelf. In this document we report first data on individual age, gonad stage of maturity and ... were immature, showing an age range of 10-13 years. Main prey consisted of Antarctic silverfish and ... daggertooth. Author(s):  M. La Mesa, F. Donato and E. Riginella Title:  Preliminary insights of Antarctic ...

   Meeting Document : WG-FSA-18/06 : Author(s): M. La Mesa, F. Donato and E. Riginella

6. Research program to examine the life- cycle and resource potential of Dissostichus spp. in the Special Research Zone within the Ross Sea region marine protected area (RSRMPA) in 2019–2027

   Abstract:  Russian Federation is going to continue investigation  of life –cycle and resource ... potential for Dissostichus spp. in Ross Sea. This paper presents the   research program in the frame of the ... Zone during 2019- 2027 or the first reference period for existence of the RSRMPA.   This program ... vessel from other CCAMLR members. Author(s):  Delegation of the Russian Federation Title:  Research ...

   Meeting Document : WG-SAM-2019/17 : Author(s): Delegation of the Russian Federation

7. Secretariat work in support of WG-EMM

   Abstract:  This paper summarises some of the main tasks which the Secretariat has undertaken over ... the past year in support of WG-EMM. The outcome of these tasks are outlined in table format. Where ... work in support of WG-EMM Approval:  Approved ...

   Meeting Document : WG-EMM-01/6 : Author(s): Secretariat

8. An updated information of the Japanese krill fishery in the Antarctic

   Abstract:  Annual summary of Japanese krill fishery in the Antarctic was updated with delineation ... of two different type of operation. Operated areas in 1983/84 and 1984/85 seasons were illustrated ... updated information of the Japanese krill fishery in the Antarctic Approval:  Approved ...

   Meeting Document : WS-KCPUE-85/05 : Author(s): Y. Shimadzu (Japan)

9. Summary of toothfish tagging suitability data from paired Spanish line – trotline sets

   only tag fish with a high probability of survival. Further it recommends that fish hooked only in the ... mouth should be tagged. A new data collection form was implemented in 2012 to allow evaluation of fish ... these data and data from tag release forms to assess suitability of captured toothfish for tagging. Data ... tagging was most related to species, soak time, and fish size. For both gear types, an adequate number of ...

   Meeting Document : WG-FSA-12/49 : Author(s): S. Parker and D. Fu (New Zealand)

10. Implementation of the modified Petersen mark–recapture method in S-Plus

    Abstract:  The mark-recapture method of estimating toothfish population size described last year ... , which uses a modification of the Petersen estimator to take account of mortality and selectivity, is ... :  Implementation of the modified Petersen mark–recapture method in S-Plus Approval:  Approved ...

    Meeting Document : WG-FSA-SAM-05/7 : Author(s): A. Payne, D.J. Agnew and R. Hillary (United Kingdom)

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