Resultados de la búsqueda
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Preliminary studies on age, growth and size at sexual maturity of Dissostichus eleginoides in the Ob-Lena Bank in the 2007/08 season
tended to overestimate for < 30 years, but underestimate for > 30 years, as compared to AAD readers ... eleginoides sampled in the 2007/08 season in the Ob-Lena Bank were carried out. The ages of 214 of 3,013 fish ... reader (who is different from the last year’s reader) recounted annuli for the 214 otolith samples and ... comments. The estimated ages ranged from 5 to 48 years for males and from 4 to 48 years for females. Ten to ...
Meeting Document : WG-FSA-11/16 : Autor(es): K. Taki, T. Iwami and M. Kiyota (Japan)
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Proposal for a longline survey on toothfish in Statistical Subarea 48.6 in 2017/18
South Africa. In future years the aim is to expand the investigation and involve additional ... collaborating members. In 2018 a new Norwegian fishing vessel will be available, equipped with advanced ... Abstract: Norway proposes a plan to investigate the toothfish populations in the Statistical ... Subarea (SS) 48.6 in 2017/18 using standardised longline gear, established tagging techniques, pop-up tags ...
Meeting Document : WG-FSA-17/61 Rev. 1 : Autor(es): Delegation of Norway
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The recent decline in recruitment of Gobionotothen gibberifrons in the South Shetland Islands (CCAMLR Subarea 48.1)
’s. In 2012, the proportion of immature fish (<30 cm) in the population was less than 10 ... Shetland Islands ceased after the 1989/90 season. One of the larger and most abundant species in the area ... %. Recruitment failure was restricted to Elephant Island and the lower South Shetland Islands. Surveys in the ... Antarctic Peninsula in 2006 and in the South Orkney Islands in 2009 demonstrated normal recruitment. What ...
Meeting Document : WG-FSA-12/20 : Autor(es): K.-H. Kock (Germany) and C.D. Jones (USA)
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Korean research plan for Dissostichus spp. in Subarea 48.5 in 2015/16
area for two years. The Republic of Korea noted that the research activities in this region had ... no vessel previously fished. In this region, the severe ice condition existed for many years and no ... Subarea 48.5 from 2015/2016 to 2017/2018 using Korean commercial bottom longline vessel in accordance with ... Abstract: The Subarea 48.5 is a large area contained from 60°W to 20°W where has been closed to ...
Meeting Document : WG-SAM-15/08 : Autor(es): Delegation of the Republic of Korea
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Seasonal and interannual variability of krill, salp and other zooplankton populations in the northwest Antarctic Peninsula region: summer 2001 in relation to the Long-Term AMLR Data Set
past 20 years. This resulted from large concentrations of Calanoides acutus, Metridia gerlachei and ... Calanus propinquus and indicate enrichment in oceanic and coastal waters relative to other years. Author(s ... . Increased abundance relative to 1999 resulted in part from recruitment of the 1998/99 and 1999/2000 year ... February-March reflected normal seasonal spawning in 2000/2001. This is the third year in a row that ...
Meeting Document : WG-EMM-01/45 : Autor(es): V. Loeb (USA)
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2017 – Reflection of the recommendations by WG-EMM-16 and SC-CAMLR-XXXV
further work, in particular regarding the issues and questions raised at WG-EMM-16 and SC-CAMLR-XXXV. Here ... Abstract: The CAMLR Scientific Committee in 2016 reviewed three scientific background documents ... in support of the development of a CCAMLR MPA in the Weddell Sea. Germany was asked to carry out ... scenarios. In this context, we show how the cost layer works. Subsequently, a revised Marxan approach based ...
Meeting Document : WG-SAM-17/30 : Autor(es): K. Teschke, H. Pehlke and T. Brey on behalf of the German Weddell Sea MPA (WSMPA) project team
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Season extensions in the longline fishery for Dissostichus eleginoides in Statistical Division 58.5.2
Abstract: Season extension trials occur step-wise in the longline fishery for Dissostichus ... eleginoides in Statistical Division 58.5.2. This paper presents results of trial fishing season extensions ... for the periods between 15 and 30 April, and between 1 and 14 November, during 2013/14 and 2014/15 ... longline fishing season. Subject to these conditions being met, the post-season is proposed to be extended ...
Meeting Document : WG-FSA-15/48 : Autor(es): J. Barrington and T. Lamb (Australia)
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Trends in bird and seal populations as indicators of a system shift in the Southern Ocean
over the past 50 years in the southern Indian Ocean, the increase starting in mid 1960s and stabilizing ... . These changes, together with the indications of a simultaneous decrease in secondary production in sub ... Abstract: Although world oceans have been warming over the past 50 years, the impact on biotic ... in mid 1980s, being particularly important in the in the sub-Antarctic sector. At the same time with ...
Meeting Document : WG-EMM-03/53 : Autor(es): H. Weimerskirch, P. Inchausti, C. Guinet and C. Barbraud (France)
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Report on fishing effort and seabird interactions during the season extension trials in the longline fishery for Dissostichus eleginoides in Statistical Division 58.5.2
November) trial season extensions, in addition to existing pre-season (15-30 April) and post-season (1-14 ... Abstract: CCAMLR XXXIV (para. 5.68) endorsed new pre-season (1-14 April) and post-season (15-30 ... November) trial extensions in the Patagonian toothfish longline fishery in Statistical Division 58.5.2 (WG ... periods 1-14 November 2016, 15-30 November 2016, 1-14 April 2017 and 15-30 April 2017. This report ...
Meeting Document : WG-FSA-17/20 : Autor(es): T. Lamb
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Abundance and trends in the breeding population of Adélie penguins (Pygoscelis adeliae) in the western Ross Sea
resulted in adults choosing to abandon or skip breeding in the worst affected years, especially 2001. The ... indicative of direct density dependence in the number of pairs returning to the colony each year. In recent ... in the number of Adélie penguin breeding pairs at colonies in the western Ross Sea. High angle ... 2012, and counted. On average 870,465 pairs of Adélie penguins breed in the western Ross Sea each ...
Meeting Document : WG-EMM-13/30 : Autor(es): P. O’B. Lyver, M. Barron, K.J. Barton, S. Gordon (New Zealand), D. Ainley, A. Pollard (USA), P.R. Wilson and M.H. Pinkerton (New Zealand)