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1. Research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.1

   began in 2013 in data-poor fisheries. In the present report, catch, effort and biological data recorded ... by all effective vessels were analyzed for the improvement of stock assessment in the research blocks ... . Based on the result, the next three-season (2016-18) research plan in Division 58.4.1 is also presented ... reference area sizes. Although no toothfish fishery data along the shelf area in austral autumn – winter was ...

   Meeting Document : WG-SAM-15/05 : Autor(es): Delegation of Japan

2. The toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2016/17

   Abstract:  Fishing in the Amundsen Sea region (SSRUs 882C–H) has been managed through a research ... to carry out a reliable stock assessment of the toothfish stock in that area. In this report, we ... precautionary. In the 2016 and 2017 seasons, a total of 19 tagged fish (excluding within season recaptures) were ... recaptured in the research blocks in the South Amundsen Sea region, confirming the utility of the research ...

   Meeting Document : WG-FSA-17/39 : Autor(es): S. Parker and S. Mormede

3. Report on fish by-catch during research fishing activities in Division 58.4.4b between 2008 and 2018

   eleginoides) conducted by Japan and France in Division 58.4.4b (WG-SAM-2019/08). We analyzed bycatch ... composition in number and biomass during the period 2008-2018 to investigate the inter-annual variations in ... gear, bathymetry and locations (b_1 versus b_2) on bycatch composition and biomass. As shown in others ... catch ratio of about 15%, autolines ratio was up to 70% in some years. Hence, bycatch number and biomass ...

   Meeting Document : WG-FSA-2019/53 : Autor(es): C. Péron, C. Chazeau, N. Gasco and F. Massiot-Granier

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

   Abstract:  Hydroacoustic surveys of the abundance of krill (Euphausia superba) in the Prydz Bay ... region were undertaken in January/February 1991 and February/March 1992. The surveys indicated some ... association of krill with the shelf break in the western part of the survey area but also found that the shelf ... break was in general not a region of relatively high krill abundance. The mean surface density of krill ...

   Meeting Document : WG-KRILL-92/23 : Autor(es): I. Higginbottom and T. Pauly (Australia)

5. Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 and 120 kHz

   Abstract:  Differences in the target strength of adult Antarctic krill (Euphausia Superba) at 38 ... and 120 kHz have been inferred from differences in the mean back-scattering strength of swarms ... simultaneously insonified at these two frequencies in studies off the South Orkneys and Elephant Island in March ... 1990. Krill in these areas varied in total length between 36 and 60mm. Backscattering strengths at 120 ...

   Meeting Document : WG-KRILL-90/28 : Autor(es): I. Hampton (South Africa)

6. Characterisation of skate catches in the Ross Sea region

   Abstract:  The toothfish fishery in the Ross Sea region (CCAMLR Subareas 881 and 882) has been ... less). In this paper we summarise the current available fisheries and biological information for skates ... in the Ross Sea Region, including the data collected in the two “Year of the Skate” fishing seasons ... in 2008/09 and 2009/10. The composition of the skate catch by species is uncertain; it is estimated ...

   Meeting Document : WG-FSA-10/25 : Autor(es): S. Mormede and A. Dunn (New Zealand)

7. 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 : Autor(es): S.V. Piyanova and A.F. Petrov (Russia)

8. Cameras installation by Ukraine at the Galindez, Petermann and Yalour Islands penguin colonies – CEMP Fund project ‘Establishing a CEMP Camera Network in Subarea 48.1’

   Abstract:  In the report, which is updated paper WG-EMM-16/55, we describe the season activity in ... the Ukrainian Vernadsky Antarctic Station area on installation CEMP cameras in penguin colonies as ... Network in Subarea 48.1'. Work has been provided under support of the National Antarctic Scientific ... Center of Ukraine that is operating Vernadsky Station. In season 2015/2016 we installed nine cameras at ...

   Meeting Document : SC-CAMLR-XXXV/BG/27 : Autor(es): Delegation of Ukraine

9. 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 : Autor(es): K. Taki (Japan)

10. 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 : Autor(es): D. Kinzey, G.M. Watters and C.S. Reiss

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