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1. Proposal for a CCAMLR sponsored research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea

   Abstract:  The exploratory fishery for Dissostichus spp. has now been operating for 14 years in ... Subarea 88.1 and for nine years in Subarea 88.2. Associated research has led to an assessment of the ... fisheries potential yield, but a source of ongoing uncertainty in the stock assessment concerns recruitment ... dynamics. Although pre-recruit Antarctic toothfish fish are caught in various locations during fishing ...

   Meeting Document : WG-SAM-11/16 : Author(s): S.M. Hanchet, S. Mormede, S.J. Parker and A. Dunn (New Zealand)

2. Analysis of maturity of Antarctic toothfish in the Amundsen Sea

   (Dissostichus mawsoni) reproductive system, caught by the longliner in the Amundsen Sea in February 2006 and ... (57.1%) in 2006 and IV stages of maturity (83.3 %) in 2007 and testes – the IV stage (55%) in 2007. In ... 2007 the oocytes in the ovaries of 16.7% investigated fish has reached the completed maturation and ... definitive size 6484·10-6m, therefore, Antarctic toothfish was ready to spawn in the Amundsen Sea in March ...

   Meeting Document : WG-FSA-10/50 : Author(s): S.V. Piyanova and A.F. Petrov (Russia)

3. A characterisation of the toothfish fishery in Subarea 48.6 from 2003/04 to 2011/12

   ) in CCAMLR subarea 48.6 (South East Atlantic). This report summarises the catch, effort, timing, depth ... species caught in the fishery over the period 2003-4 to 2011-12 are also presented. For the Antarctic ... was reported exclusively in the SSRUs 48.6A and 48.6G. Most of the catches were reported by vessels ... %). Unstandardized raw catch and effort data suggested that the median catch per unit of effort in Antarctic ...

   Meeting Document : WG-SAM-12/33 : Author(s): R. Wiff (Chile), M. Belchier (United Kingdom) and J. Arata (Chile)

4. A characterisation of the toothfish fishery in Subarea 48.6 from 2003/04 to 2011/12

   ) in CCAMLR subarea 48.6 (South East Atlantic). This report summarises the catch, effort, timing, depth ... species  caught in the fishery over the period 2003-4 to 2011-12 are also presented..  For the Antarctic ... was reported exclusively in the SSRUs 48.6A and 48.6G. Most of the catches were reported by vessels ... %). Unstandardized raw catch and effort data suggested that the median catch per unit of effort in Antarctic ...

   Meeting Document : WG-FSA-12/38 : Author(s): R. Wiff (Chile), M. Belchier (United Kingdom), J.C. Quiroz and J. Arata (Chile)

5. 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

   eleginoides in SSRUs C in Division 58.4.4 a & b (WG-SAM-13/21) following several advices during the last ... WG-SAM meeting as follows: 1)I included 2012 tag data (which was not used for model runs in WG-SAM-13 ... Japanese trotline system showed the captures of an adequate number of single-hooked fish in a state ... . The base model assumed the constant year class strength (YCS) and no IUU fishing occurrence in SSRU C ...

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

6. Predicting changes in the Antarctic krill Euphausia superba population at South Georgia

   Abstract:  Variability in the Southern Ocean is frequently reflected in changes in the abundance ... nature and consequences of changes in krill population dynamics that accompany l1uctuations in its ... the abundance and population structure of krill in 1998 and the consequences for predators. Consistent ... with model predictions, in 1998 there was a serial change in krill population structure, low krill ...

   Meeting Document : WG-EMM-99/37 : Author(s): K. Reid, K.E. Barlow, J.P. Croxall and R.I. Taylor (UnitedKingdom)

7. Analysis of the diet of Champsocephalus gunnari in Subarea 48.3, Dr E. Holmberg survey, February 1995

   Abstract:  About 1300 stomach contents of the icefish Champsocepha1us gunnari caught in the ... Subarea 48.3 in February 1995, were analyzed using the frequency of occurrence (%) method. Krill ... %), followed in importance by the mysid Thysanoessa sp. (35%) and krill (24%). The picture around SG was found ... to be similar to that observed in the E. Holmberg survey in February/March 1994: common levels of ...

   Meeting Document : WG-FSA-95/36 : Author(s): Marschoff, E., Barrera-Oro, E., Casaux, R.

8. Revised assessment models for Patagonian toothfish in research block C of Division 58.4.4, Ob & Lena Banks for the years 1989/1990 to 2012/13

   eleginoides in research block C in Division 58.4.4 b on the assumption of constant year class strength and no ... IUU fishing occurrence in the block. The five models are as follows: 1) catch at length model as ... parameters were not estimated in these models according to the recommendations in the last WG-FSA meeting. In ... proportion of maturity index with stage 2+ and incorporated in the models. The median MPD estimates of the ...

   Meeting Document : WG-SAM-14/15 : Author(s): K. Taki (Japan)

9. Phase-randomisation in an integrated assessment model for Antarctic krill

   parameters in alternative configurations of a model assessing the status and productivity of Antarctic krill ... (Euphausia superba, hereafter krill). We fixed the parameters that were not estimated in any given ... configuration at pre-specified values. The model was fitted to survey and fisheries data for krill in Subarea ... configurations. The numbers of parameters estimated in configurations that were able to obtain an invertible ...

   Meeting Document : WG-SAM-17/31 : Author(s): D. Kinzey, G.M. Watters and C.S. Reiss

10. An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) in Division 58.5.2 using CASAL

    Abstract:  This paper follows preliminary work in 2005 and early 2006 in developing an integrated ... assessment for Patagonian toothfish in Division 58.5.2. It focuses on developing an integrated assessment ... -binned mark-recapture data, can be incorporated into the model. Earlier difficulties in using CASAL have ... been resolved. The results presented here indicate a general downward bias in the expected recaptures ...

    Meeting Document : WG-FSA-06/64 : Author(s): A. Constable, S. Candy, T. Lamb and I. Ball (Australia)

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