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1. Development of the Patagonian toothfish (Dissostichus eleginoides) tagging program in Division 58.5.2, 1997–2014

   toothfish tagged and released, and 4925 recaptures. The data derived from this program has been valuable in ... estimating key population parameters for toothfish in this region, and have been used in the 2014 stock ... assessment (Ziegler, et al, 2014) in various ways including:  local abundance estimators;  natural mortality ... currently be used in an unbiased manner to estimate stock abundance. Developing spatially explicit models ...

   Meeting Document : WG-FSA-14/43 : Autor(es): D.C. Welsford, C. Péron, P.E. Ziegler and T.D. Lamb (Australia)

2. Progress by WG-EMM-STAPP in estimating krill consumption by air-breathing predators within CCAMLR areas

   Abstract:  This paper summarises progress by WG-EMM-STAPP in estimating krill consumption by air ... -breathing predators in CCAMLR management units. There have been significant advances in estimating krill ... consumption by pack-ice seals and penguins since the last update in 2011. Estimates of pack-ice seal abundance ... krill-consuming seal species, has been estimated in Areas 48 and 58. Large-scale estimates of breeding ...

   Meeting Document : WG-EMM-16/68 : Autor(es): C. Southwell and P. Trathan

3. Simulating performance of trend analysis for setting catch limits in exploratory toothfish research plans

   Abstract:  Catch limits for toothfish in research blocks were set for the 2017/18 season using a ... qualitative analysis of trends in biomass estimated in each research block and a series of simple decision ... high or low abundance, high or low uncertainty in biomass estimates, and for populations with ... increasing, stable, or decreasing trends in abundance. The trend analysis rules performed well given the ...

   Meeting Document : WG-SAM-18/23 : Autor(es): S. Hoyle, S. Parker, A. Dunn and S. Mormede

4. Revised input parameters and implications for the Antarctic toothfish (Dissostichus mawsoni) stock assessment in Subareas 88.1 and 88.2

   Abstract:  In this paper, we address a number of aspects of the model inputs and parameters of the ... Antarctic toothfish stock assessment for the Ross Sea fishery. In particular we review catch history, length ... -weight relationships, catch-at-length and catch-at age. In addition, we report some preliminary model ... runs that investigate the sensitivity of the 2006 stock assessment to changes in these model inputs and ...

   Meeting Document : WG-SAM-07/6 : Autor(es): A. Dunn and S.M. Hanchet (New Zealand)

5. Proposal for a mark–recapture experiment to estimate toothfish population size in Subarea 48.4

   and size. The research will be undertaken during April in each year by up to two vessels, details yet ... Abstract:  One UK vessel fished around the South Sandwich Islands (Subarea 48.4) in in July, 2005 ... in accordance with CM 41-03. During this time fish were tagged in order to start a mark-recapture ... programme to assess the toothfish population. Catch rates were similar to those experienced in Subarea 48.3 ...

   Meeting Document : WG-FSA-05/57 : Autor(es): Delegation of the United Kingdom

6. Distribution, biological characteristic and biomass of icefish from the results of inventory trawling survey carried out by STM-8390 Atlantida in January–March 2002

   -8390 Atlantida in February 2002 in Subarea 48.3 are presented. During this period, the fish were mainly ... foraging. Champsocephalus gunnary 22-28 cm in length at the age of 2-3 predominated on all grounds of the ... Subarea, except the north-eastern part. During the survey, specimens 15 cm in length at the age of 2 ... prevailed in pelagic catches. Peculiarity of Ch. gunnary biology in 2002 consisted in high internal fatness ...

   Meeting Document : WG-FSA-02/79 : Autor(es): Zh.A. Frolkina and P.S. Gasiukov (Russia)

7. Population assessment of Patagonian toothfish in Subarea 48.4 – 2011 update

   Abstract:  In this paper we update the assessment of D. eleginoides in the northern half of ... Subarea 48.4 presented in 2010. The CASAL model is improved through the incorporation catch at age data ... , as an alternative to the catch at length data that were the only such data available in 2010. The ... catch at age model generates a yield of 52 tonnes based on CCAMLR decision rules. In 2006 the northern ...

   Meeting Document : WG-FSA-11/38 : Autor(es): J. Roberts, R. Mitchell and R. Wakeford (United Kingdom)

8. Swarm characteristics of Antarctic krill Euphausia superba relative to the proximity of land during summer in the Scotia Sea

   swarming characteristics of Antarctic krill across the Scotia Sea in January and February 2003. Krill ... -sectional areas of swarms were significantly larger inshore, with a mean value of 120 m 2 in the 0 to 50 km ... . The highest median number of swarms per km and krill acoustic biomass per km was found in the 50 to ... 100 km zone. However, a significantly greater number of large, biomass-rich swarms occurred in the 0 ...

   Meeting Document : WG-EMM-10/P09 : Autor(es): T. Klevjer, G.A. Tarling and S. Fielding

9. Results of a CCAMLR sponsored research survey to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea, February 2013

   first survey was completed in February (Hanchet al. 2012a). In this paper we provide the results of the ... second survey in the time series. The objectives of this second survey were: To carry out a longline ... survey to monitor subadult toothfish in the southern Ross Sea (strata A–C) using standardised gear in a ... standardised manner; and To sample additional experimental stations in adjacent areas to identify areas of high ...

   Meeting Document : WG-SAM-13/32 : Autor(es): S.J. Parker, S.M. Hanchet, S. Mormede, A. Dunn (New Zealand) and R. Sarralde (Spain)

10. Plan of research program of the Russian Federation in Subarea 48.5

    Abstract:  Research program in the Weddell Sea in season 2015/2016 and the following seasons ... presented by the Russian Federation was prepared in accordance with recommendations of the Scientific ... Federation and adopted by the SC in 2012 (WG-FSA-12/12). Past WG-SAM-2015 (Warsaw, Poland) made no ... -35” obtained by the vessel in 2014. But, the Convention and Conservation Measures in force (Schedule ...

    Meeting Document : WG-FSA-15/29 : Autor(es): Delegation of the Russian Federation

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