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1. Population assessment of Patagonian toothfish in the north of Subarea 48.4 – 2010 update

   Abstract:  The target tagging rate of 5 fish per tonne was exceeded by both vessels, with 232 D ... is consistent with the theory that the bulk of the biomass is dominated by a small number of cohorts ... 48.4 are very similar to that from the previous season with a B 0 of 1,123 t (compared to 1,127 t in ...

   Meeting Document : WG-FSA-10/39 : Author(s): J. Roberts and D. Agnew (UK)

2. Hydroacoustic data obtained around Elephant Island and South Orkney Islands during austral summer 2018

   acoustic information survey was carried out with a SIMRAD EK80 wide band scientific echosounder at a ... frequency of 38 kHz and a SIMRAD ES70 fishing echosounder equipped with a 120 kHz frequency transducer. The ... South Orkney Islands (1,120 nm). Concentrations of krill (Euphausia superba), the pelagic species with ...

   Meeting Document : WG-FSA-18/05 : Author(s): N.A. Alegría and P.M. Arana

3. Time series of Antarctic krill estimates around the South Shetland Islands from 2013 to 2019

   Subarea 48.1 is submitted with accompanying description of the acoustic survey and data analysis ... data were collected with ship-mounted Simrad EK60 scientific echosounder system. A swarm-based Echoview ... EV template was used for echo-integration, and the areal krill density with coefficient of variance ...

   Meeting Document : SG-ASAM-2019/04 Rev. 1 : Author(s): X. Yu, X. Wang, X. Zhao, J. Zhang, G. Fan, Y. Ying and J. Zhu

4. The Continuous Plankton Recorder in the Southern Ocean: a comparative analysis of zooplankton communities sampled by the CPR and vertical net hauls along 140°E

   deployed on the northern leg (average sampling depth = 10.5 m). Both net systems were harnessed with 270?m ... patterns. Species richness and diversity increased with depth, and were lowest for CPR samples. Conversely ... , dominance decreased with depth and was highest for CPR samples. Evenness was similar for all sample groups ... to its shallow towing depth, the CPR focuses on species with surface distributions. Despite under ...

   Meeting Document : WS-BSO-07/P5 : Author(s): Hunt, B.P.V and G. Hosie

5. Revised research plan for toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2011/12

   2010/11 fishing season with the aims of providing the data required for assessments of the population ... with those estimated using the simple Petersen. Therefore we think that the result using the simple ... . We propose to continue the mark-recapture experiment in SSRUs B and C in the 2011/12 season, with ... studies, tagging rate of 5 fish / ton will be conducted. The comparison test with the experimental gear ...

   Meeting Document : WG-FSA-11/15 Rev. 1 : Author(s): K. Taki, T. Iwami and M. Kiyota (Japan)

6. Research plan for toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in 2012/13

   2011/12 fishing season with the aims of providing the data required for assessments of the population ... of 20 % achievable from Petersen biomass estimates may be achieved within three years with an annual ... experiment in SSRUs B and C in the 2012/13 season with slightly modified designs, considering security of ... of ≥ 5 fish / ton will be conducted. The comparison test with the experimental gear, which consists ...

   Meeting Document : WG-SAM-12/17 : Author(s): Delegation of Japan

7. Development in maturity stage composition and vertical distribution in an Antarctic krill (Euphausia superba) hotspot

   physical forcing (e.g. advection and retention). Some areas, often associated with topographical features ... dynamics over time with respect to spatial distribution and demographical composition of krill including ... generally a clear diel vertical migration pattern with deeper and vertically more compact swarms during ... daytime than night-time. However, there was days with very small differences in distribution between day ...

   Meeting Document : WG-EMM-14/15 : Author(s): B.A. Krafft, G. Skaret and T. Knutsen (Norway)

8. Development of a five-year work plan for the CCAMLR Scientific Committee

   with input from the conveners of its working groups and that it should be made available for ... fisheries Target Stock-Development of management advice consistent with Article II for data-limited ... tasks have been identified along with science topics to be considered in order to carry out the tasks. A ... tasks are based largely on table 1 of SC-CAMLR-XXXV along with consideration of discussion arising from ...

   Meeting Document : WG-EMM-17/02 : Author(s): M. Belchier (Chair of SC-CAMLR)

9. Distribution and possible areas of spatial mixing of two stocks of humpback whales, a krill predator, in the Indo-Pacific region of the Antarctic revealed by genetic analyses

   Australian (n= 185) and Eastern Australian (n= 104) whales. These were compared with sequences of humpback ... addition, the Antarctic samples were analyzed with a set of eleven microsatellite DNA loci (independent ... suggested the following: i) Western Australian whales distribute mainly in Areas IV, and probably mix with a ... substantial numbers; iii) Eastern Australian whales distribute mainly in Area VW, and probably mix with a ...

   Meeting Document : WG-EMM-2019/67 : Author(s): L.A. Pastene, M. Goto, M. Taguchi and K. Matsuoka

10. An assessment of temporal variability and interrelationships between CEMP parameters collected on Adélie penguins at Béchervaise Island

    of the foraging birds and the timing of foraging trips were important in determining whether foraging trip ... . The results obtained throughout these analyses indicate that knowledge of the sex of birds is important ... that events occurring during the hatching period are crucial for chick survival. The sex of the foraging birds ... throughout these analyses indicate that knowledge of the sex of birds is important for understanding ...

    Meeting Document : WG-EMM-02/46 : Author(s): L.M. Emmerson, J. Clarke, K. Kerry and C. Southwell (Australia)

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