Résultats de la recherche
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–G for the years 2002–03 to 2010–11
, and G (SSRUs 88.2C–G). For modelling purpose, we split the region into two fisheries: south of 70.2° S ... from all vessels led to a 20% increase in biomass. We believe that the SSRU 88.2C–G model provides a ... better accounts for the age frequency structure of the north and south areas. Author(s): S. Mormede, A ... Abstract: This paper describes the first Bayesian sex and age structured population stock ...
Meeting Document : WG-FSA-11/43 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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An estimation of confidence limits for the mean catch per haul of Notothenia gibberifrons in commercial semipelagic trawls in the years 1987 and 1988
Author(s): E.R. Marschoff (Argentina) Title: An estimation of confidence limits for the mean ... catch per haul of Notothenia gibberifrons in commercial semipelagic trawls in the years 1987 and 1988 ...
Meeting Document : WG-FSA-90/15 : Auteur(s): E.R. Marschoff (Argentina)
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Fish in the diet of the blue-eyed shag Phalacrocorax atriceps at the South Shetland Islands: six years of monitoring studies
collected at two localities of the South Shetland Islands. The comments are mainly focused on Gobionotothen ... trends but, overall, the contribution of these two species to the diet of the Blue-eyed Shag remains low ... Abstract: In this document we inform on the results of six years monitoring changes in the diet ... the diet of this bird in the lasts years and the importance of G. gibberifrons fluctuated without ...
Meeting Document : WG-EMM-96/31 : Auteur(s): Barrera-Oro, E., Casaux, R.
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Assessment models for Patagonian toothfish in research block 58.4.3a_1 of Division 58.4.3a, Elan Bank for the years 2005-2014
Abstract: We made two sensitivity runs of age-structured and two fisheries (≥1300 m and < 1300 ... 58.4.3a_1 following the recommendations of the WG-FSA-2014 meeting. Two runs were carried out: including or ... . This is unsurprising as the length frequency of the shallow fishery presents two shifting modes in most ... years, and therefore cannot be fully fitted. We recommend that the more conservative model (including ...
Meeting Document : WG-SAM-15/24 : Auteur(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)
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Winter habitat selection by Antarctic krill will increase krill-predator-fishery interactions during ice free years
with Article II of the Convention for the Conservation of Antarctic Marine Living Resources. Author(s ... -krill-predator interactions during low ice years when ice obligate predators are habitat limited and ... krill-predator-fishery interactions during ice free years Microsoft Word File: emm-15-05.docx Approval ...
Meeting Document : WG-EMM-15/05 : Auteur(s): C.S. Reiss, A. Cossio, C.D. Jones, A. Murray, G. Mitchell, J. Santora, K. Dietrich, E. Weiss, C. Gimpel, J. Walsh and G.M. Watters (USA)
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Monitoring of relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, in years 2000 to 2003
these two fish species was still observed, more than two decades after the end of the commercial fishery ... has continued in Potter Cove from 2000 to 2003, covering a continuous sampling period of twenty years ... in years 2002-2003, whereas G. gibberifrons was absent in the catches. No recovery of the stocks of ... . However, the increase observed in the catches of N. rossii in some years since 1997 might be indicative of ...
Meeting Document : WG-FSA-03/89 : Auteur(s): E. Barrera-Oro, E. Marschoff, R. Casaux and B. Gonzalez (Argentina)
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Revised assessment models for Patagonian toothfish in research block 58.4.4b_1 (SSRU 58.4.4bC) for the years 1990–2014
period, and the CCAMLR yield 30 tonnes lead to the period as 24 years (between 2015 and 2038). We ... fits to CPUE in 2008 and MPD profiles for tags in the same year was spurious in OB_1a model which ... biomass were 610 and 330 tonnes in the revised OB_1b model. The CCAMLR yield was calculated at 30 tonnes ... . Any harvest level lead to the CCAMLR risk 2 value > 50% in the beginning of 35 year projection ...
Meeting Document : WG-FSA-15/23 : Auteur(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)
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Analysis of the Chilean operation in the Antarctic krill fishery, years 2017/18
by the Chilean krill fishing ship Antarctic Endeavour throughout its first year of operation (2017 ... -2018), which was mainly destined towards testing its fishing systems and new equipment installed for ... of the ship between extraction zones during each fishing trip are described Author(s): P.M. Arana ... and R. Rolleri Title: Analysis of the Chilean operation in the Antarctic krill fishery, years 2017/18 ...
Meeting Document : WG-EMM-2019/09 : Auteur(s): P.M. Arana and R. Rolleri
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRU 88.2E for the years 2002–03 to 2010–11
resulted in a 30% higher estimate of initial biomass than for the 2009 base case. The main reason for this ... Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... -age and tag-recapture data from selected trips and all vessel trips. The 2011 reference case model ... different years. Monte-Carlo Markov Chain (MCMC) diagnostics suggested no evidence of non-convergence in any ...
Meeting Document : WG-FSA-11/44 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Tests for anomalous years in the CCAMLR index series (draft)
present, at least according to one model For cases like (b) it is proposed that a Box-Cox transformation ... Abstract: The properties of a method for detecting anomalous years in CCAMLR index series are ... proposed methods under various conditions. Author(s): MacKenzie, D., Manly, B.F. Title: Tests for ... anomalous years in the CCAMLR index series (draft) Approval: Approved ...
Meeting Document : WG-EMM-Stats-97/06 : Auteur(s): MacKenzie, D., Manly, B.F.