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Analysis of variability of krill size and fish by-catch in Japanese krill fishery based on scientific observer data
Abstract: To estimate optimal relative sample size of scientific observer data collected on ... –2008 were analysed by using a hierarchical Bayesian model. The models were composed of multistage ... -temporal variability in size structure of krill population, which is presumably derived from large ... variability of recruitment causing difficulty in predicting krill population dynamics. Variances of observer ...
Meeting Document : WG-EMM-12/68 : Автор(ы): T. Okuda and M. Kiyota (Japan)
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Composition of Leucocytes in Peripheral Blood of Antarctic Toothfish Dissostichus mawsoni (Nototheniidae)
Abstract: The aim of the work is to study the leukocyte composition in blood of deep-water fish ... species by the example of Antarctic toothfish Dissostichus mawsoni. Fish were caught in January–February ... ” longline fishing vessel. Blood samples were collected from the caudal artery of immature fish (10 specimens ... ) with average mass 21.4 kg and length 114 cm. The composition of leukocytes in Antarctic toothfish is ...
Meeting Document : WG-EMM-14/P07 : Автор(ы): I.I. Gordeev, D.V. Mikryakov, L.V. Balabanova and V.R. Miktyakov
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Composition of leucocytes in peripheral blood of Antarctic toothfish Dissostichus mawsoni (Nototheniidae)
Abstract: The aim of the work is to study the leukocyte composition in blood of deep-water fish ... species by the example of Antarctic toothfish Dissostichus mawsoni. Fish were caught in January–February ... ” longline fishing vessel. Blood samples were collected from the caudal artery of immature fish (10 specimens ... ) with average mass 21.4 kg and length 114 cm. The composition of leukocytes in Antarctic toothfish is ...
Meeting Document : WG-FSA-14/P01 : Автор(ы): I.I. Gordeev, D.V. Mikryakov, L.V. Balabanova and V.R. Miktyakov
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Direct ageing of Antarctic krill (Euphausia superba) – potential utility of eyestalk sections for age determination
Abstract: We outline a method for the direct determination of age in Antarctic krill (Euphausia ... endocuticle layer of the eyestalks and gastric mill in decapod crustaceans. Here we report on a preliminary ... proof of concept study using several known age krill grown under controlled conditions at the Australian ... performed. First, longitudinal sections of the eyestalk from known age krill (2+ and 3+ years old) were ...
Meeting Document : WG-EMM-15/45 : Автор(ы): C. Reiss (USA), R. Kilada (Canada) and S. Kawaguchi (Australia)
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Changing status of three notothenioid fish at the South Shetland Islands (1983–2016) after impacts of the 1970–80s commercial fishery
prevalence of three species, Notothenia rossii, Gobionotothen gibberifrons and N otothenia coriiceps in ... 2007 and 2012 around the South Shetland Islands: (1) continued increase in the abundance of N. rossii ... ; (2) further decline in G. gibberifrons recruitment evidenced by low proportions of juvenile fish; and ... (3) a high abundance of N. coriiceps. Reasons for lack of recovery in G. gibberifrons remain obscure ...
Meeting Document : WG-FSA-17/P01 : Автор(ы): E. Barrera-Oro, E. Marschoff and D. Ainley
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CCAMLR Satellite Overwatch Report (Decision of the Thirty-seventh Meeting of the Commission, paragraph 3.8)
Abstract: This paper contains the report on outcomes of the work carried out by France and, in ... satellite overwatch project involved the receipt of images from target surveillance areas within the ... Center (FMCC). Part A of the paper reports on images analysed by the French FMCC containing a ... B of the paper reports on the analysis of AIS data carried out by the French agency CEREMA. Author(s ...
Meeting Document : CCAMLR-38/BG/06 : Автор(ы): Delegation of France and CCAMLR Secretariat
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CCAMLR Bioregionalisation Workshop (Brussels, Belgium 13 to 17 August 2007) Update of benthic bioregionalisation of the Southern Ocean
physical variables could be used to produce primary physical regionalisations of the Southern Ocean and ... that benthic and pelagic zones should be considered separately. This paper provides a description of ... the process and results of the primary benthic regionalisation completed at the Workshop and ... subsequent refinements to this regionalisation including the use of additional data which could not be ...
Meeting Document : SC-CAMLR-XXVI/BG/28 : Автор(ы): Co-conveners, CCAMLR Bioregionalisation Workshop
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Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)
) have been aged assuming that one translucent zone is formed annually in the otoliths of this species ... before recapture. The number of zones between the fluorescent oxytetracycline line and the otolith margin ... indicates that one translucent zone is formed annually in otoliths of post-mature D. mawsoni. Otoliths from ... that the modes represented year classes and that one translucent zone is formed annually in otoliths of ...
Meeting Document : WG-FSA-02/33 : Автор(ы): P.L. Horn, C.P. Sutton (New Zealand) and A.L. DeVries (USA)
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DEMOGRAPHIC PATTERNS OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA) EXPLAIN THE SPATIAL SEGREGATION OF BALEEN WHALES (MYSTICETI) AROUND THE SOUTH SHETLAND ISLANDS, ANTARCTICA
Peninsula) and test whether whales exhibit interspecific differences in their exploitation of krill ... Ocean. We used a combination of spatial regression techniques, incorporating spatial autocorrelation, to ... model the overlap between three species of baleen whales and their krill prey. Whales exhibited ... the Antarctic Circumpolar Current. The spatial segregation of krill length-maturity stages provides an ...
Meeting Document : WG-EMM-09/33 : Автор(ы): J.A. Santora, C.S. Reiss, V.J. Loeb and R.R. Veit (USA)
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THE CONVENTION ON THE CONSERVATION OF ANTARCTIC MARINE LIVING RESOURCES (CCAMLR) AND THE ECOSYSTEM APPROACH As published in the International Journal of Marine and Coastal Law, Vol. 23, No. 3, 2008
Abstract: Lack of adequate governance of the high seas areas has resulted in the continued ... degradation of ocean and marine habitats. Ȁ e ecosystem approach, which comprises integrated, precautionary ... incorporation of an ecosystem approach to the conservation and management of marine living resources, and ... compliance levels, it has attempted to balance conservation objectives with the maintenance of commercial ...
Meeting Document : CCAMLR-XXVII/BG/25 : Автор(ы): Submitted by ASOC
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