Search results
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SPATIAL PATTERNS IN MACKEREL ICEFISH DIET PROVIDES INSIGHTS INTO KRILL ABUNDANCE AND DISTRIBUTION
Abstract: The diet of mackerel icefish was investigated from stomachs of 828 fish caught on the ... South Georgia and Shag Rocks shelves in January 2009. The results show that the diet of this normally ... results are consistent with other indicators of krill availability on the South Georgia shelf, which ... indicate that the 2008/09 season was a particularly poor one for krill. Comparison of frequency of ...
Meeting Document : WG-EMM-09/27 : Author(s): M.A. Collins and C.E. Main (United Kingdom)
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Assessment models for Patagonian toothfish in research block 58.4.4b_1 (SSRU 58.4.4bC) for the years 1990-2014
Abstract: We made five sensitive runs of single-sex age-structured CASAL models for stock status ... assessments of Dissostichus eleginoides in the research block 58.4.4b_1 following the recommendation of the WG ... . Firstly four sensitive runs were made as follows: 1) inclusion of all observations and estimate of same ... double normal selectivity for disease mortality and fishery (OB_1a model), 2) removal of tag and CPUE ...
Meeting Document : WG-SAM-15/25 : Author(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)
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WG-EMM-08
July to 1 August 2008) WG-EMM-08/02 List of participants WG-EMM-08/03 List of documents WG-EMM-08/04 ... -08/06 SUMMARY OF NOTIFICATIONS FOR KRILL FISHERIES IN 2008/09 Secretariat WG-EMM-08/07 DEMOGRAPHY OF ... OF THE PREDATOR SURVEY WORKSHOP (Hobart, Australia, 16 to 20 June 2008) WG-EMM-08/09 REPORT FROM ... KRILL AMONGST THE SMALL-SCALE MANAGEMENT UNITS IN AREA 48: THE IMPLICATIONS OF DATA UNCERTAINTIES P.N ...
Meeting
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Assessment models for Patagonian toothfish in Division 58.4.4, SRU C on Ob and Lena Banks for the years 1989/90 to 2012/13
Abstract: I revised the CASAL catch-at-length models for stock status assessments of Dissostichus ... /21), and a combined value of over-dispersions were used for all tag-release years (2008 and 2010‒12 ... ) instead of separated value for each year, 2)I calculated effective sample size for the proportions-at ... expected proportions, 3)I changed the tagging mortality rate estimate of 0.1 instead of 0.2 because ...
Meeting Document : WG-FSA-13/35 : Author(s): K. Taki (Japan)
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Reports on abundance and biological information on toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2010/11 season
the decision in the 29th CCAMLR Meeting of the Commission (CCAMLR-XXIX, 2010; paragraph 4.62). This ... report described the results during the survey in two SSRUs (B & C) of Ob Lena Bank. Total catch ... (excluding fish released alive) of Dissostichus eleginoides and other by-catch species was 37.8 tonnes in the ... survey area in 70 longline sets. D. eleginoides showed the highest catch of 35.4 tonnes, contributing ...
Meeting Document : WG-SAM-11/06 : Author(s): K.Taki, T. Iwami and M. Kiyota (Japan)
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Draft Revised Management Plan for ASPA 149, Cape Shirreff and San Telmo Island, Livingston Island, South Shetland Islands
intersessional contact group formed during the 2004 meeting of the CEP/ATCM. Since a marine area is included in ... provisions of Annex V to the Environmental Protocol and consistent with the Guide to the Preparation of ... of the values of the site and of the measures necessary to protect the site was undertaken. A field ... the draft plan is accurate and up-to-date. The boundaries of the site have been revised in this draft ...
Meeting Document : WG-EMM-04/8 : Author(s): Delegations of Chile and USA
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Research standards for exploratory fisheries
provide sufficient data to lead to formal stock assessments of Dissostichus spp. is evaluated and ... recommendations are made for optimizing this potential. The types of data that have led to successful assessments ... assessed stocks (48.6, 58.4, parts of 88.1 and 88.2) are summarized. The multi-nation, multi-year ... exploratory fishery in the Ross Sea leading to an assessment of D. mawsoni and the fishery for D. eleginoides ...
Meeting Document : WG-SAM-11/15 Rev. 1 : Author(s): D. Kinzey (USA)
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GIS ‘ChartMaster’ for aquatic living resources research in Antarctic
Abstract: Geographic Information Systems (GIS) find increasing application in different fields of ... modern oceanography, marine biology and fishery monitoring. The Russian Federal Research Institute of ... provided by the fisheries oceanographic surveys. This software allows: to analyze the data of hydro ... acoustic, trawling, trap and scuba-diving surveys; to draw maps of spatial distribution of species biomass ...
Meeting Document : WG-SAM-13/04 : Author(s): V.A. Bizikov, S.M. Goncharov, A.V. Polyakov, S.B. Popov and A.F. Petrov (Russia)
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Correlation between krill and Champsocephalus gunnari stocks in the South Georgia Area 48.3
Abstract: After almost a ten-year gap in fishing for Champsocephalus gunnari in the area of South ... short-time fishing operation in February-March, 1999. Overall, 85 pelagic trawlings yielded 264 tons of ... determine a clear correlation between concentrations of adult fish and krill on the north-western shelf of ... South Georgia. At the same time, lasting of the feeding stocks of C. gunnari depended on weather ...
Meeting Document : WG-EMM-99/27 : Author(s): K.V. Shust, V.L. Senioukov, P.N. Kochkin andN.A. Petrukhina (Russia)
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Variation in foraging effort by lactating Antarctic fur seals: response to simulated increased foraging costs
provisioning young at a central location, and by the fasting abilities of the young, are likely to maximize ... energy delivery to the young by maximizing the rate of energy delivery averaged over the whole period of ... investment. Reduction in food availability or increased foraging costs will alter the optimal behavior of ... individuals. This study examined the behavioral adaptations of a diving predator, the Antarctic fur seal to ...
Meeting Document : WG-EMM-97/08 : Author(s): Walker, T.R., McCafferty, D.J., Boyd, I.L.