Résultats de la recherche
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Analysis of maturity of Antarctic toothfish in the Amundsen Sea
Abstract: The results of the comparative histological analysis of the Antarctic toothfish ... 2007 are presented. The morphological parameters, indices of gonads, condition by Fulton and ... cytological parameters of oocytes have been described. Antarctic toothfish ovaries reached mainly the late III ... (57.1%) in 2006 and IV stages of maturity (83.3 %) in 2007 and testes – the IV stage (55%) in 2007. In ...
Meeting Document : WG-FSA-10/50 : Auteur(s): S.V. Piyanova and A.F. Petrov (Russia)
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Models of larvae dispersion of Antarctic toothfish (Dissostichus mawsoni)
stock structure in the Ross Sea have parallels for populations in other regions of the Antarctic, and ... hypotheses about how stock structure is maintained may apply to each population. We provide an update of the ... circumpolar models of larval dispersion for D. mawsoni developed by Hanchet et al. (2008) using the HiGEM ... circumpolar oceanographic model documented by Rickard et al. (2010). We used a finer resolution of simulated ...
Meeting Document : WG-FSA-12/48 : Auteur(s): A. Dunn, G.J. Rickard, S.M. Hanchet and S.J. Parker (New Zealand)
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Progress report on the scientific data compilation and analyses in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica)
, Bremerhaven) as supplementary paper. The main objectives of this document are (i) to provide an updated ... Abstract: This progress report represents a follow up of WG-EMM-13/22 (WG-EMM, Jul 2013 ... Working Group on Ecosystem Monitoring and Management on the actual state of our project, particularly on ... the proceeds of the data acquisition process and the preliminary scientific analysis. In addition, we ...
Meeting Document : WG-EMM-14/19 : Auteur(s): K. Teschke, K. Jerosch, H. Pehlke and T. Brey (Germany)
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Continuation in the 2015/16 season of the research plan initiated in 2012/13 for stocks of Dissostichus spp. in Divisions 58.4.1 and 58.4.2
Divisions 58.4.1 and 58.4.2 in order to estimate local biomass of Dissostichus spp. by means of two methods ... problems with a blade of the propeller, During the season 2015/16 is intended to make the same proposed ... been already implemented in Division 58.4.1 and preliminary estimates of local biomass using Leslie ... depletion analyses have been obtained. Some recoveries of tagged toothfish have been made, both within ...
Meeting Document : WG-SAM-15/02 : Auteur(s): Delegation of Spain
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Spatial and temporal distribution patterns of acoustic backscatter in the New Zealand sector of the Southern Ocean
Abstract: Mid-trophic level organisms (MTLO) of open-ocean marine ecosystems play a key role ... linking primary and tertiary consumers. Despite their importance, characterisation of MTLO is limited due ... from vessels of opportunity transiting across the Southern Ocean between New Zealand and the Ross Sea ... provided the opportunity to study distribution and abundance of MTLO over 7 yr. Analyses were performed to ...
Meeting Document : WG-EMM-18/P06 : Auteur(s): P.C. Escobar-Flores, R.L. O’Driscoll and J.C. Montgomery
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Diet composition and feeding strategy of Antarctic toothfish, Dissostichus mawsoni in the research blocks 58 and 88 for the exploratory longline fishery in 2014–2018 of Korea
Abstract: The stocks of Antarctic toothfish, Dissostichus mawsoni were a relatively economically ... and ecologically important fishery resource in the waters of Antarctic. However, there is not enough ... feeding strategy of D. mawsoni in the research blocks 58 and 88 as a part of Korean research plan for the ... on the results of stomach content identification of the D. mawsoni caught in the research blocks 58 ...
Meeting Document : WG-FSA-18/24 : Auteur(s): G.W. Baeck, S.-G. Choi, S. Chung and D.H. An
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History of development and completion of tasks put forward by WG-EMM (2001/02)
Abstract: A history of development and completion of tasks put forward by WG-EMM is summarised ... records since the adoption by WG-EMM in 2001 of a new five-year plan of work. A history of tasks for the ... period from 1995 to 2001 is archived in WG-EMM-02/12. Author(s): Secretariat Title: History of ... development and completion of tasks put forward by WG-EMM (2001/02) Approval: Approved ...
Meeting Document : WG-EMM-03/23 : Auteur(s): Secretariat
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Distribution and biological characteristics of two toothfish species of genus Dissostichus (family Nototheniidae) off Bouvet Island
) toothfish, were registered during the fishery on Dissosyichus spp. on the shelf edge and slope of Bouvet ... surrounding the island. The vertical distribution of two species was differentiated distinctly, with the ... crossover point at depth of 1300 m. For both species the size and weight compositions were studied; indices ... of stomach fullness and qualitative diet composition as well as maturation stages of gonads and their ...
Meeting Document : WG-FSA-11/17 : Auteur(s): A.F. Petrov (Russia)
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Some data pertaining to the distribution of Antarctic toothfish juveniles (Dissostichus mawsoni) in the Indian sector of the Antarctic
the Indian Sector of the Antarctic are used in the paper. In the summer period of the southern ... Abstract: Available in YugNIRO data concerning distribution of Antarctic toothfish juveniles in ... hemisphere (January–March) juveniles of D. mawsoni with size from 4–9 to 30–75 cm were regularly registered ... in catches of bottom and pelagic midwater trawls in all the studied continental seas from 12 to 144°E ...
Meeting Document : WG-FSA-97/19 : Auteur(s): Roshchin, E.A.
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Features of growth of young Weddell seal
Abstract: Features of behavior, birthing process, pups nursing of Weddell seals were studied ... . Studies of the growth (at birth to 21 days age) of young seals were conducted. Seven seals born in the ... every three days. The live weight was determined by using the obtained data in different periods of ... : Features of growth of young Weddell seal Approval: Approved ...
Meeting Document : WG-EMM-12/21 : Auteur(s): A. Salhanskyy (Ukraine)