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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
Abstract: In this document we inform on the results of six years monitoring changes in the diet ... collected at two localities of the South Shetland Islands. The comments are mainly focused on Gobionotothen ... the diet of this bird in the lasts years and the importance of G. gibberifrons fluctuated without ... trends but, overall, the contribution of these two species to the diet of the Blue-eyed Shag remains low ...
Meeting Document : WG-EMM-96/31 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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
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 ... these two fish species was still observed, more than two decades after the end of the commercial fishery ... . 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 : Autor(es): 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 ... biomass were 610 and 330 tonnes in the revised OB_1b model. The CCAMLR yield was calculated at 30 tonnes ... killer whales constantly occurs, the CCAMLR yield should be reduced to 22.5 tonnes. Author(s): K. Taki ... (Japan), S. Mormede (New Zealand) and T. Ichii (Japan) Title: Revised assessment models for Patagonian ...
Meeting Document : WG-FSA-15/23 : Autor(es): 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
-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 ... by the Chilean krill fishing ship Antarctic Endeavour throughout its first year of operation (2017 ...
Meeting Document : WG-EMM-2019/09 : Autor(es): 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 ... different years. Monte-Carlo Markov Chain (MCMC) diagnostics suggested no evidence of non-convergence in any ... past 2–3 years there has been an increase in fishing in SSRUs 88.2CDFG and it may now be more ... developed in a separate paper. Author(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand) Title ...
Meeting Document : WG-FSA-11/44 : Autor(es): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Progress report for the fourth year of the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa in the years 2013–2016
initiated in Statistical Subarea 48.6 by Japan and South Africa during the 2012/13 fishing season. Two ... achieved during the first 3.5 years is reported. The emphasis of the progress report is on block 486_2 ... conducted using data mainly from block 486_2. Author(s): S. Somhlaba, R. Leslie, K. Taki, T. Ichii and T ... Subarea 48.6 being jointly undertaken by Japan and South Africa in the years 2013–2016 Microsoft Word File ...
Meeting Document : WG-SAM-16/41 Rev. 1 : Autor(es): S. Somhlaba, R. Leslie, K. Taki, T. Ichii and T. Namba
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Tests for anomalous years in the CCAMLR index series (draft)
Abstract: The properties of a method for detecting anomalous years in CCAMLR index series are ... present, at least according to one model For cases like (b) it is proposed that a Box-Cox transformation ... 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 : Autor(es): MacKenzie, D., Manly, B.F.
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H for the years 2002–03 to 2012–13
fishery to allow annual full age length keys for all fisheries for future assessments. Author(s): S ... suggest an intermediate biomass. The two models (R1 and R2) which estimate a higher biomass are those ... younger ages (R5) and lower biomass. The remaining two models (R4 and R5) suggest a substantially lower ... biomass than previously estimated, mainly due to the signal in the last three years of tag data. These are ...
Meeting Document : WG-FSA-13/52 : Autor(es): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)