Resultados de la búsqueda
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Lead-radium dating provides a framework for coordinating age estimation of Patagonian toothfish (Dissostichus eleginoides) between fishing areas
estimates range from approximately 20 to more than 50 years. In this study, lead-radium dating provided ... zones in transverse otolith sections, and longevity estimates exceeding 30 years. Lead-radium dating ... . 3.3 years was observed across estimated ages younger than 20 years. For the CAF, ages were ...
Meeting Document : WG-FSA-11/P01 : Autor(es): A.H. Andrews, J.R. Ashford, C.M. Brooks, K. Krusic-Golub, G. Duhamel, M. Belchier, C.C. Lundstrom and G.M. Cailliet
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Catches of target species in the Convention Area
reported to 30 20 September 2018, are presented with dates of closures of fisheries implemented by the ...
Meeting Document : SC-CAMLR-XXXVII/BG/01 Rev. 4 : Autor(es): CCAMLR Secretariat
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Proposal for a longline survey on toothfish in Statistical Subarea 48.6 in 2017/18
and acoustic techniques. The proposed research is pertinent to issues raised by the Scientific ... 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 ... . This initial year will be used for exploration with particular emphasis on tagging efforts and habitat ...
Meeting Document : WG-FSA-17/61 Rev. 1 : Autor(es): Delegation of Norway
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THE POWER OF ECOSYSTEM MONITORING
% power after 20 years with the probability of a type I error (α) = 0.05). The power increased to >50 ... monitoring programme of the predators of Antarctic krill Euphausia superba at South Georgia together with a ... effects of fishing using either the krill population or a combined predator response index was low (20–40 ...
Meeting Document : WG-EMM-08/P11 : Autor(es): K. Reid, J.P. Croxall and E.J. Murphy
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Fish prey of the wandering albatross Diomedea exulans at South Georgia
(35%), Muraenolepis microps (33 %) and Chaenocephalus acemtus (20%) predominated, with Notothenia ... gibberifrons, Pagothenia hansoni and Champsocephalus gunnari (together 12%) also present. Composition by weight ... between years but epipelagic fish were significantly more abundant in +I983 than 1984. All identified fish ...
Meeting Document : SC-CAMLR-VII/BG/05 : Autor(es): J.P. Croxall, A.W. North and P.A. Prince (United Kingdom)
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Catch removals due to killer and sperm whale interactions across sub-Antarctic fisheries
30% [21-37%] of the total catches. Together, these findings provide metrics needed to assess the ... t] of toothfish was taken per year by killer and sperm whales between 2004 and 2018, equivalent to ...
Meeting Document : WG-FSA-2019/33 : Autor(es): P. Tixier, P. Burch, F. Massiot-Granier, P. Ziegler, D. Welsford, M.-A. Lea, M.A. Hindell, C. Guinet, S. Wotherspoon, N. Gasco, C. Péron, G. Duhamel, R. Arangio, R. Tascheri, S. Somhlaba and J.P.Y. Arnould
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Annual variation in breeding biology of gentoo penguins, (Pygoscelis papua) at Bird Island, South Georgia
-3.4 days. Chicks creched when 25-30 days old. and this varied between years. possibly related to food ... breeding population at Bird Island decreased by 20% and increased by 84% in successive years during the ... or breeding experience. Laying date varied significantly between all three years, being three weeks ... breeding are discussed. Within years egg-laying was highly synchronous: 95% of clutches were initiated in ...
Meeting Document : WG-CEMP-90/38 : Autor(es): T.D. Williams (United Kingdom)
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Korean research plan for Dissostichus spp. in Subarea 48.5 in 2015/16
Abstract: The Subarea 48.5 is a large area contained from 60°W to 20°W where has been closed to ... 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 ...
Meeting Document : WG-SAM-15/08 : Autor(es): Delegation of the Republic of Korea
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CCAMLR’s Vulnerable Marine Ecosystems bioindicator taxa: a relevant tool for benthic ecoregionalisation
Abstract: This document is a short extraction from the article “Benthic ecoregionalisation and ... conservation issues in the French Exclusive Economic Zone of Kerguelen” submitted the 16/05/2018 to the journal ... will be available in the original article. Original article includes full benthic ecoregionalisation ...
Meeting Document : WG-EMM-18/19 : Autor(es): A. Martin, E. Trouslard, M. Hautecoeur, J. Blettery, C. Moreau, T. Saucède, N. Améziane, G. Duhamel and M. Eléaume
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Discussion on recent results from an integrated assessment of Antarctic krill (Euphausia superba) in Subarea 48.1
(either decreasing or increasing) in krill biomass have not been apparent over the past 30+ years ... simulation testing. Together, results from the two annual models and the seasonal model suggest that inter ...
Meeting Document : WG-EMM-14/35 : Autor(es): G.M. Watters, C.S. Reiss and D. Kinzey (USA)