Résultats de la recherche
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Decadal trends in abundance, size and condition of Antarctic toothfish in McMurdo Sound, Antarctica, 1972–2011
Dissostichus mawsoni in McMurdo Sound, Antarctica, 1972–2011. Data on total length, condition and catch per ... measured, tagged and released. Contrary to expectation, the length frequency of the McMurdo Sound catch was ... dominated by fish in the upper two-thirds of the overall distribution exhibited in the industrial catch for ...
Meeting Document : WG-FSA-12/P04 : Auteur(s): D.G Ainley, N. Nur, J.T Eastman, G. Ballard, C.L Parkinson, C.W Evans and A.L. DeVries
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Influence of the quality and quantity of data from a multi-year tagging program on bias and precision of biomass estimates from an integrated stock assessment – update
of the tagging program, the type of auxiliary data used in the assessment, and the catch history ... over 60-70%. Biomass estimates were largely unaffected by the type of catch history. Therefore ... as long as estimates of the catch history are available. Author(s): P.E. Ziegler (Australia) Title ...
Meeting Document : WG-FSA-12/18 : Auteur(s): P.E. Ziegler (Australia)
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Revised assessment models for Patagonian toothfish in research block 58.4.3a_1 of Division 58.4.3a, Elan Bank for the years 2005–2014
division: two catch at length models including (ELAN_len model) or excluding (ELAN_tag model) the data from ... fish tagged in 2012, and a catch at age model including the data with a single age length key applied ... to all years (ELAN_age model). Another run was a catch at length model as ELAN_len model except using ...
Meeting Document : WG-FSA-15/22 : Auteur(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)
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Results of the 2015 multi-Member longline survey for toothfish in the northern Ross Sea region (Subarea 88.2 SSRUs A–B) and proposal for 2016 operations
of 109.1 t of Antarctic toothfish and two Patagonian toothfish (0.029 t) were caught. Toothfish catch ... . Age composition of the catch as predicted by the spatial population model was similar to that observed ... block-specific catch limits to ensure a greater spread of effort, and a higher level of scientific ...
Meeting Document : WG-FSA-15/32 : Auteur(s): S.J. Parker, R.J.C. Currey (New Zealand), M. Söffker, C. Darby (United Kingdom), O. Godø (Norway) and A. Petrov (Russia)
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region for the years 1997–98 to 2014–15
), using catch, catch-at-age, and tag-recapture data from 1997–98 to 2014–15 and including the results from ... parameters. The precautionary yield, using the CCAMLR decision rules and current relative catch distribution ...
Meeting Document : WG-FSA-15/38 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Summary of the toothfish fishery and tagging program in the Ross Sea region (Subarea 88.1 and SSRUs 882A–B) through 2017/18
SSRUs 88.2AB) together with biological characteristics of the catch of Antarctic toothfish through the ... introduction of the Ross Sea region MPA. A small amount of the catch historically taken from areas bounded by ... the catch showed no consistent pattern of trend through time, but showed interannual variability. This ...
Meeting Document : WG-FSA-18/46 : Auteur(s): S. Mormede and S. Parker
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Research results from the SPRFMO exploratory fishing program for Antarctic toothfish 2016 and 2017
catch rates of post-spawning Antarctic toothfish, similar in magnitude to catch rates in the north ... region of CCAMLR subareas 88.1 and 88.2. The toothfish catch was almost entirely Antarctic toothfish ...
Meeting Document : WG-FSA-18/39 : Auteur(s): J.M. Fenaughty, M. Cryer and A. Dunn
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PROPOSAL FOR REVISING CONSERVATION MEASURE 21-03 (2008) AS WELL AS REVISING THE CALCULATION FORMULA FOR MEMBERS’ FINANCIAL CONTRIBUTIONS
in recent years, excluding 2009/10 fishing season. In contrast, the reported catch has remained about ... 100,000 tons. To address this discrepancy between notified amount and actual catch, Japan proposes to ...
Meeting Document : CCAMLR-XXVIII/29 : Auteur(s): Delegation of Japan
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Factors affecting the number and mortality of seabirds attending trawlers and longliners in the Kerguelen area
attending long-liners and known to be potential by-catch, it appears that some species appear to be more ... larger proportion than the number of potential by-catch present, whereas black-browed are caught in lower ... bait used also affected the catch rate. The catch rate was related to the number of birds attending the ...
Meeting Document : WG-FSA-99/26 : Auteur(s): H. Weimerskirch, D. Capdeville and G. Duhamel (France)
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A model at the level of the foraging trip for the indirect effects of krill (Euphausia superba) fisheries on krill predators
range of catch in our study, the reductions in reproductive success, are essentially linear functions of ... krill catch, with slope 1.5. Reductions in adult survival are also linear functions of krill catch, but ... functions of krill catch but not 1:1. The reductions in offspring and parent survival are mainly determined ...
Meeting Document : WG-EMM-96/20 : Auteur(s): Switzer, P.V., Mangel, M.