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1. An integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2

   eleginoides) fishery at Heard Island and McDonald Islands in CCAMLR Division 58.5.2 with data until end of the ... model leads to a smaller estimate of the virgin spawning stock biomass B 0 than that obtained in 2015 ... season 2015/16. The updated assessment model is based on the best available estimates of model parameters ... , the use of abundance estimates from a random stratified trawl survey (RSTS), longline tag-release data ...

   Meeting Document : WG-FSA-17/19 : Autor(es): P. Ziegler

2. Observer activities on Japanese krill fishing vessels in the CCAMLR Convention Area

   . Although the increase of expected catch of krill notified in recent years has caused concerns among some ... urgent management concern related to krill fishery. In addition, CCAMLR XXV agreed “that the priorities ... ) determine the level of by-catch of larval finfish, and (iii) better understand the occurrence of warp-strike ... by seabirds”. Japan believes that the purpose of observer activities for krill fishery can be ...

   Meeting Document : CCAMLR-XXVI/BG/41 Rev. 1 : Autor(es): Delegation of Japan

3. Preliminary report on the South Orkneys Ecosystem Studies (SOES) field work undertaken by RRS James Clark Ross (JR15004) and associated field camps in January–February 2016

   the krill-based ecosystem in the main fishing area in Subarea 48 undertaken in the austral summer of ... Abstract:  This paper briefly describes the rationale and structure of the research cruise that ... formed a key component of the co-ordinated, multi-national South Orkney Ecosystems Studies focusing on ... 2015-16. The research cruise consisted of collection of at-sea data on the distribution, abundance and ...

   Meeting Document : WG-EMM-16/19 : Autor(es): J. Watkins, O.R. Godø, S. Fielding, C. Reiss, P. Trathan and E. Murphy

4. Stable isotope analysis reveals trophic variation in adult Antarctic krill (Euphausia superba) around the Antarctic Peninsula from austral fall to early winter

   ecosystem and an important link in the food web of the Antarctic ecosystem. The trophic information for this ... variation in δ 13 C and δ 15 N values of adult krill in the Antarctic Peninsula, in the austral fall (April ... period, (3) mean δ 15 N values of krill differed significantly between the Bransfield Strait and the ... Abstract:  The Antarctic krill (Euphausia superba) is a key species in the Southern Ocean ...

   Meeting Document : WG-EMM-2019/P03 : Autor(es): H.T. Zhang, G.P. Zhu, Q. Song, S.Q. Wang, Y. Yang and Q.Y. Yang

5. Decadal trends in the South Georgia demersal fish assemblage

   not uniform between strata. Trends in SSB for the five most abundant species of the South Georgia ... shelf show no consistent trends between species. There is evidence of increasing biomass in the marbled ... rock cod (N. rossii) and Mackerel icefish (C. gunnari), an overall decrease in the abundance of the ... preliminary results are considered in the context of considerable regional ecological change and a massive ...

   Meeting Document : WG-FSA-13/26 : Autor(es): M. Belchier (United Kingdom)

6. Revised proposal for the ongoing research plan on Patagonian toothfish (Dissostichus eleginoides) in Division 58.4.4b (2016/17–2020/21)

   built up the CASAL model developed in WG-FSA-15/23 by Taki et al. (2015). Different scenarios of ... revealed a lower effect than previously estimated due to the absence of interaction in recent years and the ... low historical interaction and depredation rates in the research blocks b_1 and b_2. Analyses of ... provided at WG-FSA in 2021. Author(s):  Delegations of Japan and France Title:  Revised proposal for the ...

   Meeting Document : WG-SAM-2019/08 : Autor(es): Delegations of Japan and France

7. SO-AntEco: Contributing information and scientific advice on benthic biodiversity in the South Orkney Islands (Domain 1) region

   deposit feeders. Substantial differences in the abundance of VME taxa were found between two sampling ... scheduled in 2019. In addition, it makes an important contribution to the understanding of benthic habitats ... with an international team of scientists from the Scientific Committee for Antarctic Research (SCAR ... . The expedition took place on board the BAS research ship RRS James Clark Ross in early 2016. The focus ...

   Meeting Document : WG-EMM-17/37 : Autor(es): M.J. Brasier, S.M. Grant, P.N. Trathan, L. Allcock, O.S. Ashford, H. Blagbrough, A. Brandt, B. Danis, R. Downey, M. Eléaume, P. Enderlein, C. Ghiglione, O. Hogg, K. Linse, M. Mackenzie, C. Moreau, L. Robinson, E. Rodríguez, V. Spiridonov, A. Tate, M. Taylor, C. Waller, H. Wiklund and H.J. Griffiths

8. New Zealand research voyages to the Ross Sea region in 2018 and 2019

   monitor outflow of Antarctic Bottom Water at the continental shelf-break in the Cape Adare region; (2 ... to the Ross Sea region, and gives notice of a New Zealand 2019 research voyage to the Ross Sea region ... locations on the Pacific-Antarctic ridge; (3) characterisation of marine microbial community structure and ... function across the region; (4) characterisation of zooplankton community structure; (5) surveys of ...

   Meeting Document : WG-EMM-18/02 : Autor(es): D. Bowden, R. O’Driscoll and M.H. Pinkerton

9. CONVERSION FACTORS AND GREEN WEIGHT CALCULATION IN THE ANTARCTIC KRILL FISHERY

   number of reasons:.; o Differences in the method of processing the same products o Seasonal variation o ... ; The variation in reported conversion factors for similar reported products can be attributed to a ... total catch estimates as the majority of vessels interviewed made direct estimates of green weight ... Clark, J., Peatman, T. Title:  CONVERSION FACTORS AND GREEN WEIGHT CALCULATION IN THE ANTARCTIC KRILL ...

   Meeting Document : TASO-09/06 : Autor(es): Moir Clark, J., Peatman, T.

10. A feedback management strategy for the krill fishery in Subarea 48.1

    Abstract:  We present a Stage-2 strategy for in-season feedback management (FBM) of the krill ... to the WG-EMM in 2015 and is based on a broad foundation of work undertaken to address a suite of ... action items specified by the WG-EMM.  A decision rule to adjust catches in groups of SSMUs (gSSMUs) is ... consistent with the agreed definition of a Stage-2 strategy, and we advocate that it be trialed in real life ...

    Meeting Document : WG-EMM-16/48 : Autor(es): G.M. Watters, J.T. Hinke and C.S. Reiss

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