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Revised 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
Abstract: A survey was conducted in order to collect information for the stock status and various ... biological information on toothfish in Division 58.4.4a & b (Ob Lena Bank) by using a commercial bottom ... in the shallow area < 500 m in the 2010/11. A total of 189 individuals of toothfish with good ... between the fish released with tag and that of overall catch was considerably high (θ=95 %). There was a ...
Meeting Document : WG-FSA-11/14 : Автор(ы): K. Taki, T. Iwami and M. Kiyota (Japan)
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Distribution and possible areas of spatial mixing of two stocks of humpback whales, a krill predator, in the Indo-Pacific region of the Antarctic revealed by genetic analyses
of two stocks of the humpback whale, a krill predator, in the Indo-Pacific region of the Antarctic ... addition, the Antarctic samples were analyzed with a set of eleven microsatellite DNA loci (independent ... suggested the following: i) Western Australian whales distribute mainly in Areas IV, and probably mix with a ... substantial numbers; iii) Eastern Australian whales distribute mainly in Area VW, and probably mix with a ...
Meeting Document : WG-EMM-2019/67 : Автор(ы): L.A. Pastene, M. Goto, M. Taguchi and K. Matsuoka
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An unmanned aerial vehicle as a platform for aerial photography of land-based predator populations in Antarctica: specifications and suitability of the Aerosonde Mark III
transmission back to a flight control centre, but could also serve as a platform for aerial photography. Its ... cost, the need for a launching and landing runway, difficulty in operating around mountainous terrain ... unmanned aerial vehicle as a platform for aerial photography of land-based predator populations in ...
Meeting Document : WG-EMM-03/50 : Автор(ы): L. Irvine and C. Southwell (Australia)
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Preliminary assessment of Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002
Abstract: A survey of Patagonian toothfish, Dissostichus eleginoides, was undertaken in Division ... -term annual yield in the 2002/2003 CCAMLR season and beyond. This paper provides a preliminary ... assessment of yield using the assessment methods of CCAMLR, a summary of which is presented here. The ... the remainder of the season. Thus, a revision of the assessment provided here is expected to be needed ...
Meeting Document : WG-FSA-02/70 : Автор(ы): A.J. Constable, R. Williams and T. Lamb (Australia)
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On influence of acoustic survey methodology improvement on krill biomass estimation. (A comparison of results of acoustic surveys based on single-frequency and double-frequency algorithms)
species identification realized by single-frequency and double-frequency algorithms could cause a marked ... difference in krill biomass estimates. A difference was more than 1.8 times in the case under consideration ... . Judging from significant differences in biomass estimates attributed to only introducing a new method of ... have a considerable influence on biomass estimates obtained. Therefore. it is expected that the ...
Meeting Document : WG-EMM-01/41 : Автор(ы): S.M. Kasatkina and A.P. Malyshko (Russia)
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Revision of biological and population parameters for Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a comprehensive survey of fishing grounds and recruitment areas in the region
Abstract: Based on a survey of Dissostichus eleginoides in the Heard Island region in April 1999 ... originally estimated and that, in recent years, there has been an influx of a large number of young fish ... compared to the period during the first surveys in the early 1990s. A notable outcome of the 1999 survey is ... region. Careful thought will need to be given to how best to manage a stock that aggregates in this ...
Meeting Document : WG-FSA-99/68 : Автор(ы): A.J. Constable, R. Williams, T. Lamb and E. van Wijk (Australia)
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Southern royal albatross Diomedea epomophora census on Campbell Island, 4 January–6 February 1996, and a review of population figures
Abstract: A census of breeding Southern Royal Albatross was undertaken at Campbell Island during ... the period 4 January to 6 February 1996 of the 1995-96 breeding season. A total of 7787 occupied nests ... was counted. Comparisons of different field census techniques and a measure of the rate of egg loss ... 1996, and a review of population figures Approval: Approved ...
Meeting Document : SC-CAMLR-XVII/BG/13 : Автор(ы): Delegation of New Zealand
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FIELD IDENTIFICATION GUIDE TO HEARD ISLAND AND MCDONALD ISLANDS (HIMI) BENTHIC INVERTEBRATES: A GUIDE FOR SCIENTIFIC OBSERVERS ABOARD FISHING VESSELS
Abstract: At CCAMLR-XXVI the Working Group on Fish Stock Assessment (WG-FSA) noted a lack of ... to Heard Island and McDonald Islands (HIMI) benthic invertebrates: a guide for scientific observers ... intended for use as both a training tool, and at-sea by trained observers, to make accurate identifications ... similar guides for training purposes and at-sea use by observers in other CCAMLR designated fisheries, a ...
Meeting Document : SC-CAMLR-XXVIII/BG/12 : Автор(ы): Delegation of Australia
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ASSESSMENT OF PATAGONIAN TOOTHFISH POPULATION IN THE NORTH OF SUBAREA 48.4 USING DATA FROM A FOUR-YEAR TAGGING EXPERIMENT
. eleginoides tag returns in 2008/09, bringing the total from all seasons up to 54 tag recaptures; 4. A total of ... a limited number of cohorts. 7. CASAL confirms that the vulnerable biomass is dominated by a single ... simple Petersen and local CPUE estimates, with a B0 of 1143 t and B2009/B0 of 85%. 9. The sustainable ... DATA FROM A FOUR-YEAR TAGGING EXPERIMENT Approval: Approved ...
Meeting Document : WG-FSA-09/17 : Автор(ы): J. Roberts and D.J. Agnew (United Kingdom)
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FURTHER DEVELOPMENTS OF A SIMULATION MODEL, ‘PATCH’, FOR EVALUATING MANAGEMENT STRATEGIES TO CONSERVE BENTHIC HABITATS (VULNERABLE MARINE ECOSYSTEMS) WHICH ARE POTENTIALLY VULNERABLE TO IMPACTS FROM BOTTOM FISHERIES
habitats. Noting the paucity of data on the ecology of these habitats, this paper further develops a ... requirement can be translated into a simple operational objective: Maintain the quality of habitats above the ... ”, a categorisation fraught with difficulty. Instead, it means that habitats for which this would not ... uncertainties to be captured in a straight-forward manner to assist CCAMLR in maintaining its precautionary ...
Meeting Document : WG-FSA-09/42 : Автор(ы): A.J. Constable (Australia)
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