Résultats de la recherche
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Size-age composition and growth of Antarctic toothfish Dissostichus mawsoni in the Weddell Sea
area on biology of this species. In particular, size-age and growth samples of the Antarctic toothfish ... : Size-age composition and growth of Antarctic toothfish Dissostichus mawsoni in the Weddell Sea Approval ... Abstract: In the fishing season 2012/2013 Russian vessel “Yantar-35” worked in the Weddell Sea ... for the first time since fishery of Dissostichus mawsoni began. It has allowed extending a sampling ...
Meeting Document : WG-FSA-13/16 : Auteur(s): E.N. Kyznetsova, A.F. Petrov and I.I. Gordeev (Russia)
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Preliminary investigations of an assessment model for skates and rays in the Ross Sea
Antarctic skates in SSRUs 88.1H, 88.1I, 88.1J, & 88.1K of the Ross Sea. The developmental model ... attempted to create a catch history of all skates and rays in the Ross Sea, and integrate these data with ... assessment model. We conclude that aspects of the catch history were very uncertain, including the species ... composition, the weight and number of skates caught, the proportion discarded, and the survival of those ...
Meeting Document : WG-SAM-07/4 : Auteur(s): A. Dunn, S.M. Hanchet, S.L. Ballara and M.P. Francis (New Zealand)
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Characteristics of water flows in areas for Antarctic krill concentrations near the South Shetland Islands
in those on the slope. Large-scale movements of the buoys suggest krill flux from the South Shetlands ... Abstract: Water flows in harvestable areas for Antarctic krill (Euphausia superba) on the ... continental slope and shelf of the South Shetland Islands were examined based on drifting buoy data ... . Convergent complex eddies were observed in harvestable areas on the shelf, while shear current was observed ...
Meeting Document : WG-EMM-95/49 : Auteur(s): Naganobu, M., Ichii, T.
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The state of Dissostichus eleginoides stock and TAC for 1990/91 in Subarea 48.3 (South Georgia)
season in S.Georgia area (48.3)” presents the data on main biological characteristics of this species ... to determine total biomass of adult toothfish in the area under investigation and the value of ... (VNIRO and AtlantNIRO, USSR) Title: The state of Dissostichus eleginoides stock and TAC for 1990/91 in ... Abstract: The paper “The state of Dissostichus eleginoides stock and TAC for it for 1990/91 ...
Meeting Document : WG-FSA-90/34 : Auteur(s): K.V. Shust, P.S. Gasiukov, R.S. Dorovskikh and B.A. Kenzhin (VNIRO and AtlantNIRO, USSR)
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Spatial and temporal patterns of sperm whale (Physeter macrocephalus) depredation on Australian longline vessels in the Patagonian toothfish (Dissostichus eleginoides) fishery at Heard Island and McDonald Islands (CCAMLR Division 58.5.2)
) and orcas (Orcinus orca) has been reported in nearly all of the Patagonian toothfish (Dissostichus ... and Tixier 2015, Söffker et al. 2015). The first reports of odontocete depredation in the Division ... eleginoides) longline fisheries in the Southern Ocean (Moir Clark and Agnew 2010, Tixier et al 2010, Soeffker ... 58.5.2 fishery date from 2011, and incidences have been reported in every season thereafter. The majority ...
Meeting Document : WG-FSA-15/53 : Auteur(s): D.C. Welsford and R. Arangio (Australia)
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Proposal for a second longline survey of toothfish in the northern Ross Sea region (SSRUs 882A and B)
longline gear to sample the toothfish populations in the northern areas (61°‑ 66° S) of SSRUs 88.2A–B. The ... of the eleven research blocks were sampled in 2015. Additional outcomes of the research relate to ... survey of toothfish in the northern Ross Sea region (SSRUs 882A and B) Approval: Approved Secretariat ... Abstract: We propose the continuation of a multi-member research project using standardised ...
Meeting Document : WG-SAM-16/15 : Auteur(s): S.J. Parker, R.J.C. Currey, M. Söffker, C. Darby, D. Welsford and O.R. Godø
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Krill faecal pellets drive hidden pulses of particulate organic carbon in the marginal ice zone
conservatively estimated flux highlights the important role of large, swarming macrozooplankton in POC export and ... G.A. Tarling Title: Krill faecal pellets drive hidden pulses of particulate organic carbon in the ... 17–61% (mean 35%) of current satellite-derived export estimates for this zone. The magnitude of our ... Abstract: The biological carbon pump drives a flux of particulate organic carbon (POC) through ...
Meeting Document : WG-EMM-2019/P01 : Auteur(s): A. Belcher, S.A. Henson, C. Manno, S.L. Hill, A. Atkinson, S.E. Thorpe, P. Fretwell, L. Ireland and G.A. Tarling
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ANTARCTIC TOOTHFISH STOCK ASSESSMENT IN DIVISION 58.4.1 ON THE BASIS OF CATCH AND CPUE DATA
Abstract: An attempt to use reported catch and CPUE data based on data of observers in the ... toothfish stock biomass in the Ross Sea. As a result of implementation of an age-structured and a dynamic ... : ANTARCTIC TOOTHFISH STOCK ASSESSMENT IN DIVISION 58.4.1 ON THE BASIS OF CATCH AND CPUE DATA Approval ... assessment of Antarctic toothfish stock in Division 58.4.1 is made. Unlike some previous results obtained for ...
Meeting Document : WG-FSA-09/14 Rev. 1 : Auteur(s): D. Vasilyev, K. Shust, A. Petrov, V. Tatarnikov and I. Istomin (Russia)
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Genetic population structure of the mackerel icefish, Champsocephalus gunnari, in Antarctic waters
Abstract: Genetic population structure of the mackerel icefish, Champsocephalus gunnari, in ... : Genetic population structure of the mackerel icefish, Champsocephalus gunnari, in Antarctic waters ... , with the proportion of polymorphic loci, P = 0.175, mean heterozygosities per locus, HL = 0.058, and ... 1.15.1.1). Routine scoring of 358 fish at the 16 loci revealed below average levels of genetic variability ...
Meeting Document : WG-FSA-91/22 : Auteur(s): G.R. Carvalho and M. Warren (United Kingdom)
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Preliminary studies on age and growth of Dissostichus eleginoides in the Ob-Lena Bank
Abstract: Preliminary studies on the age and growth of Dissostichus eleginoides sampled in the ... 2007/08 season in the Ob-Lena Bank were carried out. The ages of 214 of 3,013 fish sampled by Observers ... studies on age and growth of Dissostichus eleginoides in the Ob-Lena Bank Approval: Approved ... the methods of otolith readings by experienced readers of AAD. One of these is that the first ring was ...
Meeting Document : WG-FSA-10/48 : Auteur(s): K. Taki, M. Kiyota and T. Ichii (Japan)