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1. Reports on abundance and biological information of toothfish in Division 58.4.4a & b by Shinsei Maru No. 3 in 2012/13 season

   Abstract:  A survey was conducted to collect data of stock status and various biological ... information of toothfish in SSRUs C and D of Division 58.4.4a & b (Ob Lena Banks) from April 25 to May 22 ... , 2013. A total of 64 research hauls using normal trotline system were made in SSRUs C and D. Total catch ... of Dissostichus eleginoides (excluding those tagged and released) was 31.1 tonnes in the survey area ...

   Meeting Document : WG-SAM-13/20 : Автор(ы): K. Taki, T. Ichii, T. Iwami and M. Kiyota (Japan)

2. Revised reports on abundance and biological information of toothfish in Division 58.4.4 a & b by Shinsei maru No. 3 in 2012/13 season

   Abstract:  A survey was conducted to collect data of stock status and various biological ... information of toothfish in SSRUs C and D of Division 58.4.4a & b (Ob Lena Banks) from April 25 to May 22 ... , 2013. A total of 64 research hauls using normal trotline system were made in SSRUs C and D. Total catch ... of Dissostichus eleginoides (excluding those tagged and released) was 31.1 tonnes in the survey area ...

   Meeting Document : WG-FSA-13/34 : Автор(ы): K. Taki, T. Ichii, T. Iwami and M. Kiyota (Japan)

3. Fatty acid and stable isotope analyses to identify diets of Antarctic toothfish caught in February–March 2013 in the southern Ross Sea (88.1.K) and the eastern Antarctic Sea (58.4.1.C)

   88.1.K of the southern Ross Sea and 58.4.1.C of the eastern Antarctic Sea, their fatty acid (FA ... ) composition and stable carbon and nitrogen isotope ratios were determined and compared to those of bycatch ... species and stomach samples. Sampling efforts were made during a longline survey of pre-recruit toothfish ... profiles in muscle tissue of Antarctic toothfish, bycatch specimen (Channichthyidae), and icefish in the ...

   Meeting Document : WG-FSA-13/42 : Автор(ы): I. Yeon, Y.J. Kwon, S.G. Choi, D.W. Lee and C.-K. Kang (Republic of Korea)

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

   Abstract:  The current season (2014/15) is the final one of the first three-season research which ... by all effective vessels were analyzed for the improvement of stock assessment in the research blocks ... available, SSRU 58.4.1 C may be also one of the important spawning grounds for D. mawsoni from the degrees ... in development of GSI in summer comparable with those in the north of Subarea 48.6 and Banzare Bank ...

   Meeting Document : WG-SAM-15/05 : Автор(ы): Delegation of Japan

5. Quantifying the escape mortality of trawl caught Antarctic krill (Euphausia superba)

   of which are expected to increase. However, many of the length classes of krill can escape through ... commonly used commercial trawl mesh sizes. A vital component of the overall management of a fishery is to ... estimate the total fishing mortality and quantify the mortality rate of individuals that escape from ... mortality rates of escaped krill. Haul duration, hydrological conditions, maximum fishing depth and catch ...

   Meeting Document : WG-EMM-16/04 : Автор(ы): B.A. Krafft, L.A. Krag, A. Engås, S. Nordrum, I. Bruheim and B. Herrmann

6. High-resolution ocean modelling of the South Georgia and South Orkney Islands regions

   South Orkney Islands is highly productive, with a history of commercial exploitation. Many of the key ... oceanographic and ecological processes that determine the structure and functioning of this ecosystem operate ... over small scales of <10 km. Historically, these fine spatial scales have been poorly represented in ... numerical models. Here we describe the development of two regional ocean models that will be used to examine ...

   Meeting Document : WG-EMM-16/15 : Автор(ы): E. Young, E. Murphy and P. Trathan

7. Demographic effects of extreme weather events: snow storms, breeding success, and population growth rate in a long-lived Antarctic seabird

   also found state-dependent effects of snow storms and chicks in poor condition were more likely to die ... Abstract:  Weather extremes are one important element of ongoing climate change, but their impacts ... are poorly understood because they are, by definition, rare events. If the frequency and severity of ... consequences of such events. In this study, we aimed to quantify the effects of snow storms on nest survival in ...

   Meeting Document : WG-EMM-16/P13 : Автор(ы): S. Descamps, A. Tarroux, Ø. Varpe, N.G. Yoccoz, T. Tveraa and S.-H. Lorentsen

8. Report of the UK groundfish survey at South Georgia (CCAMLR Subarea 48.3) in January 2017

   covering depths of between 100 and 350m. 3. Overall biomass of Mackerel icefish (Champsocephalus gunnari ... ) was calculated at 91,049 t with a lower 1-sided 95% interval estimate of 37,514t. Mackerel icefish ... density was highest on the fishing grounds on the moraine banks of the NW stratum. 4. Clear regional ... Rocks, at low levels in the northern strata of South Georgia and more abundant in the Southern strata ...

   Meeting Document : WG-FSA-17/44 : Автор(ы): M. Belchier, V. Foster, S. Gregory, S. Hill, V. Laptikhovsky, P. Lafite and L. Featherstone

9. Trade data analysis – A report of trends and supply chains in CDS data

   Abstract:  Analysis of the trends and supply chains in the CDS data for 2016 and 2017 has ...  identified increased use of the CDS with increases in the number of DCDs (41%), DEDs (35%) and DREDs (193 ... %) between these years. Across both years Chile had the greatest number of DCDs landings, exports and the ... largest quantity of landings (4 185 tonnes and 5 586 tonnes). For both years France exported the largest ...

   Meeting Document : CCAMLR-XXXVII/BG/03 : Автор(ы): CCAMLR Secretariat

10. Preliminary biomass estimation of Antarctic krill based on the swarm-based method for CCAMLR Division 58.4.1 in 2018/19 using data obtained by Japanese survey vessel Kaiyo-maru

    Abstract:  Biomass (B 0) of Antarctic krill for CCAMLR Division 58.4.1 in 2018/19 was ... different, (2) timing of the surveys were different (Kaiyo-maru survey commenced about 40 days earlier than ... BROKE) and (3) areal coverages were different primary because of difference of positions of sea ice edge ... especially in the western part of the Division. The CV of biomass estimate of Kaiyo-maru survey was high ...

    Meeting Document : SG-ASAM-2019/02 : Автор(ы): K. Abe, R. Matsukura, N. Yamamoto, K. Amakasu and H. Murase

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