Search results
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Genetic population structure of the mackerel icefish, Champsocephalus gunnari, in Antarctic waters
1.15.1.1). Routine scoring of 358 fish at the 16 loci revealed below average levels of genetic variability ... notion of at least partial migration of C. gunnari between South Georgia and the South Orkneys, and ... Abstract: Genetic population structure of the mackerel icefish, Champsocephalus gunnari, in ... subjected to starch gel electrophoresis. sixteen putative enzyme-coding loci were examined, of which 7 were ...
Meeting Document : WG-FSA-91/22 : Author(s): G.R. Carvalho and M. Warren (United Kingdom)
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Yet further krill yield computations
. (1993), adjusted as requested by the fifth meeting of WG-KRILL. This involves modifying the input ... ), adjusted as requested by the fifth meeting of WG-KRILL. This involves modifying the input distributions ...
Meeting Document : WG-Krill-94/23 : Author(s): R.B. Thomson and D.S. Butterworth (South Africa)
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Towards a validation of ageing in mackerel icefish (Champsocephalus gunnari) – can we estimate age more accurately?
older than 3 or 4 years were aged. These differences could not be reconciled at the end of the exchange ... was agreed upon at the last meeting of the ‘Working Group on Fish Stock Assessment’. Our report ... Abstract: Age estimates of mackerel icefish from different laboratories obtained during a CCAMLR ... . A second age determination workshop on mackerel icefish to improve the accuracy of age determination ...
Meeting Document : WG-FSA-05/23 : Author(s): K.-H. Kock (Germany) and Zh.A. Frolkina (Russia)
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Assessment of the Dissostichus eleginoides stock in Subarea 48.3 for the 1990/91 season and calculation of TAC for the 1991/92 season
equilibrium in the stock and to examine the dynamics of its abundance and biomass. At the start of the 1990/91 ... optimal results, fishing operations should be conducted at a level of F0.1. In accordance with such a ... Abstract: Shnyute’s generalised cohort analysis of size composition in catches was used to ... estimate the Dissostichus eleginoides stock in Area 48.3. This made it possible to ignore the hypothesis of ...
Meeting Document : WG-FSA-91/24 : Author(s): P.S. Gasiukov, R.S. Dorovskikh and K.V. Shust (USSR)
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On peculiarities of icefish (Champsocephalus gunnari) vertical distribution in different habitats
Abstract: The significant similarity of Kerguelen and South Georgia icefish Ch.gunnari ... populations ecology has been revealed. Fish of all lengths and ages are planktonphages. Fish of the first two ... . Immature fish also partially distribute in the pelagic layer both in the daytime and at night. Mature fish ... , as a rule, are at the bottom in the daytime, however in some years they like immature fish, have been ...
Meeting Document : WG-FSA-03/54 : Author(s): J.A. Frolkina (Russia) and V.V. Herasimchuk (Ukraine)
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PRELIMINARY ASSESSMENT OF TOOTHFISH IN SUBAREA 48.3
2006. Fits to the catch at age data are good, except for 2009 where large numbers of age 7 and age 9 ... Abstract: 1. 2009 data have been incorporated in to the catch-at-age based CASAL model for ... lognormal recruitment suggest a long-term yield of 3900 t. Using a recent subset of estimated cohorts ... ASSESSMENT OF TOOTHFISH IN SUBAREA 48.3 Approval: Approved ...
Meeting Document : WG-FSA-09/28 Rev. 1 : Author(s): D.J. Agnew and T. Peatman (United Kingdom)
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Progress on the integrated stock assessment by CASAL for Antarctic toothfish Dissostichus mawsoni in Subarea 48.6
of D. mawsoni at Subarea 48.6. Our preliminary analysis is problematic as a stock assessment, but ... mawsoni at the research block 48.6_2, as a test run for integrated assessment model for stock assessment ... indicates future tasks for improvement: further sensitivity analysis of IUU, addition of ageing data and ... modeling of migration. Author(s): K. Sawada and T. Okuda Title: Progress on the integrated stock ...
Meeting Document : WG-FSA-2019/21 : Author(s): K. Sawada and T. Okuda
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Growth and age/length structure of populations of Notothenia (Lepidonotothen) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean
Paper Title: Growth and age/length structure of populations of Notothenia (Lepidonotothen ... ) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean Abstract / Description ... : Age, growth and age/length composition of populations of grey rockcod (Notothenia (Lepidonotothen ... ) squamifrons), inhabiting areas of the Ob and Lena Banks and the Kerguelen Island Shelf, are presented in this ... the last years of life. Maximum annual weight increments of 100 to 120 g at the banks and 153 to 188 ... , (Le. to the point at which the sclerites begin to merge). The results of the count were processed on ... considered normal at P=0.2. Moreover, single variable statistics of distribution of sclerites in each annual ... theoretical maximum length and one-third of its maximum body weight at the age of 9 years on the Lena Bank ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 123–139 : Author(s): Zaitsev, A.K.
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Job vacancies
Application due We have no current listings of positions at other organisations. More information Staff ... page when available. Our careers page has further information about working at the Secretariat ... Scientific Scholarship Scheme. Vacancies, opportunities and scholarships at other organisations Title ...
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Preliminary report on biological observations and exploratory fishing data collected in the South Georgia area during the 1985/86 cruise of MT Carina
. Feeding intensity was rather low for all species at the beginning of cruise. A rapid increase in feeding ... in the South Georgia area during the 1985/86 cruise of MT Carina Abstract / Description: A fish ... survey in South Georgia waters was undertaken from November 1985 to January 1986 as a part of the on ... -going fish stock monitoring program conducted by the Sea Fisheries Institute, Gdynia. Codends of two ... with the majority at stage Ill. Feeding intensity was rather low for all species at the beginning of ... October) and ended at the end of November/beginning of December because of low c.p.u.e. (Table 11). The ... fish examined in samples were at maturity stages from 11 to V. The prevailing number of fish were at ... maturity stage III (Figure 13). From December, an increasing percentage of gonads at stage IV in male ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 65-97 : Author(s): Kreft, K. and J. Szynaka