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1. Stock assessment of D. eleginoides in Subarea 48.3 using dynamic production models

   mortality, age selectivity, recruitment estimates, mean weight at age) In the calculations with DPM (with ... in recent years. The trends in biomass dynamic estimated by DPM are very similar with trends from ...

   Meeting Document : WG-FSA-02/78 : Author(s): P.S. Gasiukov and R.S. Dorovskich (Russia)

2. Spatial and temporal patterns of sperm whale (Physeter macrocephalus) depredation on Australian longline vessels in the Patagonian toothfish (Dissostichus eleginoides) fishery at Heard Island and McDonald Islands (CCAMLR Division 58.5.2)

   of  reports involve sperm whales, with a single sighting of orcas to date. There is a strong seasonal ... pattern to sperm whale presence, with depredation events confined to the months April-July, despite ... collaborative project with depredation experts from France is currently being developed to monitor depredation ...

   Meeting Document : WG-FSA-15/53 : Author(s): D.C. Welsford and R. Arangio (Australia)

3. Report of the South Georgia groundfish survey (Subarea 48.3) in January 2006

   the FPRV Dorada. Sixty-three random trawls were undertaken, with 12.3 tonnes of mackerel icesfish ... ), with Antarctomysis sp. (A. ohlini and A. maxima) and Themisto gaudichaudii the other main prey species ... made in association with both demersal and pelagic data and will help discriminate icefish from other ...

   Meeting Document : WG-FSA-06/51 : Author(s): M.A. Collins, C. Jones, J. Clark. S. Fielding, J. Slakowski, T. North, W. Reid and J. Watts (United Kingdom)

4. 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)

5. First CCAMLR Performance Review

   experts with CCAMLR experience; the Chair of the Antarctic Treaty Consultative Meeting’s Committee for ... with experience in relevant areas of science, fisheries management and legal matters. Report of the ... with its authors. The views and recommendations contained in the report do not necessarily reflect the ...

   Page : Site Section: The Organisation

6. 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

7. 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

8. 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

9. 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)

10. 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

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