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1. Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons

   . gunnari population in Subarea 48.3 at WG-FSA-91 using VPA, attempts were made to re-work the analysis ... , dominated in recent years by the 1987 year class (1 year olds in 1988), was quite robust, despite the use of ... various combinations of survey and cpue indices for tuning. According to the VPA the population in 1991/92 ... Falklands Protector in January 1992. Breakdown in the credibility of the VPA results in most recent years is ...

   Meeting Document : WG-FSA-92/27 : Автор(ы): G. Parkes (United Kingdom)

2. Results of Phase I and II of the research program for toothfish fishery in Subarea 88.3 during the 2010/11–2011/12 seasons

   Abstract:  In 2011 and 2012 in Subarea 88.3 research fishing of toothfish has been conducted by ... Russia. In 2011 fishing was carried out by Russian longliner “Sparta” out and in 2012 it was longliner ... 2336 m. Total number of set hooks amounted 171096. In 2011 research fishing covered SSRU B, C and D ... , and in 2012 ice conditions were much worse and longlines were set only in SSRU C. Collected in ...

   Meeting Document : WG-SAM-12/05 : Автор(ы): A.F. Petrov, V.A. Tatarnikov, K.V. Shust, I.I. Gordeev, E.F. Kulish (Russia)

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

   observer data. The stock size estimates for research blocks were revised following advice in the last WG ... -SAM meeting. We tentatively recalculated a sample size of Dissostichus spp in each block in such a way ... that the numbers of tag recoveries in the 2016 season shows an approximately 0.3 of coefficient ... sizes turned out to be larger in many blocks and smaller in a few blocks over the data poor-fisheries ...

   Meeting Document : WG-FSA-13/38 : Автор(ы): Delegation of Japan

4. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea for the years 1997–98 to 2010–13

   model for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region (Subareas 88.1 and SSRUs ... selectivity for the fishery in the North. We recommend model R2 be used to provide catch limits for the stock ... biomass, in particular the data from the 2012 tagged fish. We expect this is due to higher catches in ... for recapture) than the other slope SSRUs 88.1H and I.  Fish released or recaptured in SSRU K have ...

   Meeting Document : WG-FSA-13/51 : Автор(ы): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)

5. Potential modelling structures for a two-area stock assessment model for Antarctic toothfish (Dissostichus mawsoni) in the Amundsen Sea Region

   Abstract:  Two-area population models for Antarctic toothfish in the Amundsen Sea Region were ... developed further as current single area models did not fully explain the patterns in the observed data on ... , these models were limited to data collected in SSRU 88.2H as there were few data available to inform ... estimation of biomass in SSRUs 88.2C–G. Additional data resulting from a two-year research plan implemented ...

   Meeting Document : WG-SAM-15/49 : Автор(ы): S. Mormede, S.J. Parker, A. Dunn and S.M. Hanchet (New Zealand)

6. Matlab code for calculating krill biomass in a survey area

   Abstract:  In 2010, CCAMLR tasked the Subgroup on Acoustic Survey and Analysis Methods (SG-ASAM ... ) to recalculate the catch limit for Antarctic krill in the Scotia Sea based on updated acoustic ... algorithms developed since the first calculation in 2000. Subsequent to the 2010 SG-ASAM, code used to obtain ... collection of code has revealed inconsistencies and omissions in the documentation, complicating attempts by ...

   Meeting Document : SG-ASAM-16/03 : Автор(ы): A. Cossio, J. Renfree and C. Reiss

7. Revised research plan for the 2017/18 toothfish fishery in Division 58.4.4b by Japan and France

   Abstract:  Japan and France revised the next season’s (2017/18) research plan in research blocks ... -SAM meeting in 2017. We have used extracted data provided by the CCAMLR Secretariat on 27th July, 2017 ... . The estimated median stock size in block 58.4.4b_1 and 58.4.4b_2 was 1452.03 and 921.91, tonnes ... respectively, in Chapman method considering tags released in the last three years as effective for the biomass ...

   Meeting Document : WG-FSA-17/11 : Автор(ы): Delegations of Japan and France

8. A preliminary assessment and revised growth model of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2017 random stratified trawl survey

   Abstract:  The annual random stratified trawl survey was undertaken in Division 58.5.2 in the ... , abundance and yield in Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods (CMIX and ... growth model based on recent cohort progressions indicated an increase in size-at-age compared to the ... parameters resulted in only a small impact on yield.  Catches of 526 t in the 2017/18 season and 395 t in the ...

   Meeting Document : WG-FSA-17/22 : Автор(ы): D. Maschette, P. Burch, P. Yates and D. Welsford

9. Toward a System of Marine Protected Areas in the Southern Ocean

   Abstract:  ASOC commends CCAMLR for its historic decision in 2016 to designate a large-scale ... marine protected area (MPA) in the Ross Sea region, which will come into force on December 1 st this year ... . To continue momentum, CCAMLR Members must realize the extent of the commitment they made in 2009, and ... again in 2011 (CM 91-04) toward establishing a representative system of MPAs in the Convention Area. To ...

   Meeting Document : SC-CAMLR-XXXVI/BG/32 : Автор(ы): Submitted by ASOC

10. Spatio-temporal dynamics of the Antarctic krill fishery in Subarea 48.1 based on data collected on board F/V Fu Rong Hai

    played an important role in the feed-back management of krill fishery. The CPUE data collected from the ... spatial dynamics of the population and the fishery of krill in CCAMLR Subarea 48.1. The acoustic data ... . In most fishing seasons, krill abundances were found higher in autumn than that of in summer. In ... autumn, the fishing activity usually concentrated in the middle of the Bransfield strait Acoustic data ...

    Meeting Document : WG-EMM-18/41 : Автор(ы): Y. Ying, X. Wang, X. Zhao, J. Zhu, G. Fan and X. Yu

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