Search results
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The Scientific Committee on Antarctic Research (SCAR) Annual Report 2015/2016
re-affirmed at meetings of the two groups at the joint CEP/SC-CAMLR Workshop on Climate Change in ... Abstract: SCAR is an interdisciplinary body of the International Council for Science (ICSU), and ... , and to promote scientific knowledge, understanding and education on any aspect of the Antarctic region ... information to the Antarctic Treaty System and other bodies and facilitates the international exchange of ...
Meeting Document : SC-CAMLR-XXXV/BG/26 : Author(s): Submitted by SCAR
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Longline sink rates of an autoline vessel, and notes on seabird interactions
, and relative proportion of each species present. A large proportion of the seabirds present at any one ... Abstract: A series of longline sink-rate trials were conducted with and without weights, from an ... attachment method for Time Depth Recorders was developed. A tori line was used at all times by the vessel ... , and the design was refined during the voyage. The aerial section of the tori line appeared to provide ...
Meeting Document : WG-FSA-01/44 : Author(s): N.W.McL. Smith (New Zealand)
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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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Key considerations for planning a large-scale krill survey
needs reliable indicators of krill stock size at appropriate spatial scales. It is likely that future ... of krill biomass at the larger scale which is robust to uncertainties about krill flux. Current ... Abstract: Article II of the Convention requires the Commission to maintain harvested populations ... FBM approaches will require regular information on krill stock size at relatively fine spatial scales ...
Meeting Document : WG-EMM-15/27 : Author(s): S. Hill, J. Watkins (United Kingdom), O.R. Godø (Norway), S. Kawaguchi (Australia), D. Kinzey, C. Reiss (USA), V. Siegel (Germany), P. Trathan (United Kingdom) and G. Watters (USA)