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Preliminary results from the third year of a survey into the connectivity of toothfish species in Subareas 48.2 and 48.4
Author(s): G. Robson, A. Riley and P. Hollyman Title: Preliminary results from the third year of a survey into the connectivity of toothfish species in Subareas 48.2 and 48.4 Microsoft Word File: fsa-2019-25.docx Approval: Approved Secretariat Workflow Status: Content Approved Document Release
Meeting Document : WG-FSA-2019/25 : Автор(ы): G. Robson, A. Riley and P. Hollyman
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Preliminary tag-recapture based population assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 48.4
Abstract: The biomass of Antarctic toothfish (D. mawsoni) in CCAMLR subarea 48.4 is estimated from tagging returns to average 1109 tonnes since 2010, with a five-year (2015-2019) average biomass of 1187 tonnes. Applying the CCAMLR agreed precautionary assumption of average biomass across the time
Meeting Document : WG-FSA-2019/27 : Автор(ы): T. Earl and A. Riley
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Assessment of Patagonian toothfish (Dissostichus eleginoides) in Subarea 48.3
Abstract: Assessment of the Patagonian toothfish (D. eleginoides) in Subarea 48.3 indicates that the current status of the stock is at 50% of B 0. Spawning biomass has been relatively constant in recent years. Projections indicate that a constant catch of 2,420 tonnes in the 2020 and 2021 seasons
Meeting Document : WG-FSA-2019/28 : Автор(ы): T. Earl
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Preliminary assessment of mackerel icefish Champsocephalus gunnari in Subarea 48.3 – Based on the 2019 Groundfish Survey
Abstract: A stratified bootstrap of icefish catch density based on the UK 2019 demersal fish survey catch rate data indicated a biomass of 53,124 tonnes (lower one sided 5th percentile: 32,399 tonnes) within Statistical Subarea 48.3. Projections for the 2019/20 and 2020/21 seasons applying the
Meeting Document : WG-FSA-2019/30 : Автор(ы): T. Earl
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Catch removals due to killer and sperm whale interactions across sub-Antarctic fisheries
Abstract: Fisheries are human activities that alter resource availability for species in marine ecosystems. While fisheries remove fish biomass, they may also provide new feeding opportunities to various marine predators. These species, depredating on catches directly on the fishing gear, has
Meeting Document : WG-FSA-2019/33 : Автор(ы): 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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Otolith morphological analysis cannot distinguish Antarctic toothfish (Dissostichus mawsoni) stocks in the Southern Ocean
Abstract: Fourier shape analysis was used to study the morphology of sagittal otoliths of 383 Dissostichus mawsoni from 3 Subareas using two statistical methods. Stepwise discriminant analysis showed a classification accuracy of 73.19%. Principal component analysis revealed the accumulated
Meeting Document : WG-FSA-2019/59 : Автор(ы): L. Wei, G.P. Zhu, T. Okuda, S. Parker, I. Slypko and S. Somhlaba
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Comparison of age readings by two readers and preliminary results of age and growth of Dissostichus mawsoni in Subarea 88.3
Author(s): M. Kim, S. Chung, S. Choi, C.P. Sutton and S.J. Parker Title: Comparison of age readings by two readers and preliminary results of age and growth of Dissostichus mawsoni in Subarea 88.3 Approval: Approved Secretariat Workflow Status: Content Approved Document Release Consent: No
Meeting Document : WG-FSA-2019/35 : Автор(ы): M. Kim, S. Chung, S. Choi, C.P. Sutton and S.J. Parker
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Molecular analysis of stomach contents from Antarctic toothfish (Dissostichus mawsoni) collected from Area 58 and 88 from 2016 to 2018
Abstract: Antarctic toothfish, Dissostichus mawsoni is the ecologically important Nototheniidae, which is native to the Southern Ocean. Although it plays an important role in the Antarctic ecosystem, the ecology of D. mawsoni is still fragmental mainly due to the limited accessibility for the
Meeting Document : WG-FSA-2019/37 : Автор(ы): S.R. Lee, S.-G. Choi, S. Chung, D.H. An and H.-W. Kim
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Population structure of the Antarctic toothfish, Dissostichus mawsoni from the Areas 58 and 88 in the Antarctic Ocean based on mitochondrial and microsatellite DNA markers
Abstract: The Antarctic toothfish, Dissostichus mawsoni, serves as valuable fishery resources around the Antarctic Continent since 1997, managed solely by the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR). Although defining genetic or stock structure of populations
Meeting Document : WG-FSA-2019/36 : Автор(ы): H.-K. Choi, J.E. Jang, S.Y. Byeon, S. Chung, S.-G. Choi, H. W. Kim and H.J. Lee
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New results of oceanological research obtained on Ukrainian longline vessels in the CCAMLR area of responsibility in the season 2018-2019
Abstract: This document summarizes oceanological data for the season 2018-2019 from Ukrainian longline fishery ships, worked in the CCAMLR area. Information about vertical distribution of temperature, bottom temperature variability, spatial temperature changes, inter-annual temperature variability
Meeting Document : WG-FSA-2019/38 : Автор(ы): V. Paramonov, L. Pshenichnov, I. Slypko, P. Zabroda, A. Bazhan and T. Pestovskyi
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