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Update of the integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands (Division 58.5.2)
the updated assessment, the long-term yield that satisfies the CCAMLR decision rules is 2 730 t ... updating total removals by sub-fishery and updating catch-at-age and catch-at-length proportions was the ... inclusion of random stratified trawl survey (RSTS) abundance-at-age for 2010 and 2011 and conversion of 2008 ... and 2009 RSTS abundance-at-length to abundance-at-age. This was possible due to the large number of ...
Meeting Document : WG-FSA-11/24 : Autor(es): S.G. Candy and D.C. Welsford (Australia)
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Estimation of natural mortality using catch-at-age and aged mark-recapture data: a simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation
, CCAMLR Division 58.5.2) Patagonian toothfish (Dissostichus eleginoides) fishery have been unsuccessful ... . An alternative estimation strategy was tested using simulation whereby catch-at-age and aged mark ... for population numbers at age obtained by integrating a first order ordinary differential equation ... estimates of M when all other parameters were fixed at their simulation values. When all parameters were ...
Meeting Document : WG-SAM-10/11 Rev. 1 : Autor(es): S.G. Candy (Australia)
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Assessment models for Patagonian toothfish in research block 58.4.4b_1 (SSRU 58.4.4bC) for the years 1990-2014
and current biomass were 1060 and 570 tonnes in OB_1b model. The CCAMLR yield was calculated at 51 ... at the estimates of OB_1b model, use of knife edge selectivity at fixed 8 year for disease mortality ... tagging data (OB_1b_notag model) and 5) removal of age observations, and fix of both selectivitties at the ... knife edge selectivity at 8 year for disease mortality in OB_2b model did not reduce the total objective ...
Meeting Document : WG-SAM-15/25 : Autor(es): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)
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Activity, seasonal site fidelity, and movements of Type-C killer whales between the Ross Sea, Antarctica and New Zealand
IWC SORP and CCAMLR. Author(s): R. Eisert (New Zealand), G. Lauriano, S. Panigada (Italy), E.N ...
Meeting Document : WG-EMM-15/52 : Autor(es): R. Eisert (New Zealand), G. Lauriano, S. Panigada (Italy), E.N. Ovsyanikova, I.N. Visser, P.H. Ensor, R.J.C. Currey, B.R. Sharp and M.H. Pinkerton (New Zealand)
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A method for spreading the risk of localised effects of catches of Antarctic krill up to the trigger level, during the development of stage 2 of feedback management
Secretariat Workflow Status: Content Approved Delegation responsibility for releasing documents: CCAMLR ...
Meeting Document : WG-EMM-16/69 : Autor(es): A.J. Constable, S. Kawaguchi and M. Sumner
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Joint report on exploratory fishing in Divisions 58.4.1 and 58.4.2 between the 2011/12 and 2015/16 fishing seasons
Abstract: Robust stock assessments and catch limits according to CCAMLR decision rules remain to ...
Meeting Document : WG-FSA-16/30 : Autor(es): Delegations of Australia, France, Japan, Republic of Korea and Spain
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Results of the sixth Ross Sea shelf survey to monitor abundance of sub-adult Antarctic toothfish in the southern Ross Sea, January 2017
for others conducting longline surveys in CCAMLR fisheries. Author(s): K. Large, L. Robinson and S ... Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ...
Meeting Document : WG-SAM-17/01 : Autor(es): K. Large, L. Robinson and S. Parker
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Revised proposal for the ongoing research plan on Patagonian toothfish (Dissostichus eleginoides) in Division 58.4.4b (2016/17–2020/21)
milestones will be completed and reported to CCAMLR working groups was provided and a final report will be ... revised to address the concerns expressed at WG-FSA 2019 and SC-CAMLR-XXXVII (para. 3.158). We followed ... research survey capacity. Toothfish population structure and bycatch analyses will be presented at WG-FSA ... whales (O. orca) ecology and depredation ”) are addressed in two documents submitted at WG-SAM-19. We ...
Meeting Document : WG-SAM-2019/08 : Autor(es): Delegations of Japan and France
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SEASONAL ESTIMATION OF ABUNDANCE BY BOOTSTRAPPING INEXACT RESEARCH DATA (SEABIRD): A METHOD FOR ASSESSING ABUNDANCE AND UNCERTAINTY FROM HISTORICAL COUNT DATA USING ADELIE PENGUINS AS A CASE STUDY
being presented in a specified format congruent with CCAMLR databases designed to store historical ... Abstract: In addition to a review of published studies on Adelie penguin abundance at breeding ... uncertainty at breeding sites in Antarctica. To achieve this task, a menu-driven suite of routines titled ... concern was to ensure that different types of counts (eg. nests, chicks or adults), perhaps made at ...
Meeting Document : WG-EMM-PSW-08/11 : Autor(es): J.P. McKinlay and C.J. Southwell (Australia)
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Seabird mortality in the longline fishery for Patagonian toothfish at the Prince Edward Islands: 1996–1997
mortality can be largely avoided by setting lines only at night, using a CCAMLR-approved bird-scaring (tori ... Abstract: Longline fishing for Patagonian toothfish Dissostichus eleginoides commenced at the ... were breeding adults, and there was a significant bias towards males in at least three species. More ... ) line during setting, and not fishing during the main summer breeding season (or at least fishing > ...
Meeting Document : WG-FSA-97/51 : Autor(es): Boix-Hinzen, C., Enticott, J.W., Ryan, P.G., Wanless, R., Purves, M., Nel, D.C.