Search results
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Revised estimates of seabed areas within the 500 m isobath of the South Orkney Islands (Subarea 48.2) and consequences for standing stock biomass estimates of nine species of finfish
increased from 5%-30% for eight species and decreased 20% for one. Author(s): C.D. Jones (USA) Title ... estimates are about 1,424 (20%) nautical miles larger in area within the 50-500 m isobaths than Everson’s ... 1,424 (20%) nautical miles larger in area within the 50-500 m isobaths than Everson’s estimates, though ... estimated biomass. Of the nine species examined, the point estimate of total biomass increased from 5%-30 ...
Meeting Document : WG-FSA-99/33 : Author(s): C.D. Jones (USA)
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Plan of research program of the Ukraine in Subarea 88.3 in 2019
in 2005, Russia in 2011 and 2012 and the Republic of Korea in 2017 and 2018. It was noted that no tagged ... 3 years. Author(s): Delegation of Ukraine Title: Plan of research program of the Ukraine in Subarea 88.3 ... , Russia in 2011 and 2012 and the Republic of Korea in 2017 and 2018. It was noted that no tagged fishes ... 3 years. ...
Meeting Document : WG-SAM-18/12 : Author(s): Delegation of Ukraine
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Analysis of catch and effort data from the IUU fishing vessel Kunlun
right to fly its flag, pursuant to Article 110 of the United Nations Convention on the Law of the Sea ... right to fly its flag, pursuant to Article 110 of the United Nations Convention on the Law of the Sea ...
Meeting Document : CCAMLR-XXXIV/BG/18 : Author(s): Delegation of Australia
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Aerobic dive limit: how often does it occur in nature?
Abstract: Diving animals offer a unique opportunity to study the importance of physiological ... animal is it’s aerobic dive limit (ADL). The ADL has only been measured in a few species. The goal ... animals of three species of otariids, the Antarctic fur seal, Arctocephalus gazella, the Australian sea ... with the dive pattern of individual animals. In both Antarctic Fur Seals and Australian sea lions, deeper diving ...
Meeting Document : WG-EMM-00/48 : Author(s): D.P. Costa, N.J. Gales and M.E. Goebel (USA)
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Age-at-length of Patagonian toothfish from the Falkland/Malvinas Islands
Abstract: To provide an age-length key for use in modelling the age structure of the Patagonian ... toothfish stock around the Falkland Islands, we used otoliths to estimate the age of a sample of 1893 ... crenellations. Two readers undertook one reading each of the sections, estimating age using criteria agreed ... at the CCAMLR Otolith Network. Age estimates by the experienced reader were unbiased relative to reference ages ...
Meeting Document : WG-FSA-02/74 : Author(s): J. Ashford, A. Arkhipkin, C. Jones and S. Bobko
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Preliminary analysis of toothfish catch, CPUE, size structure and mark-recapture data from SSRUs 486A and 486G, with comments on the sustainability of different harvest levels
in Subarea 48.6 south of 60°S (the combined SSRUs 48.6B through 48.6E) is given in an Appendix. An age ... -structured production model approach with a deterministic recruitment is applied. Age is linked to size via ... a simple von-Bertalanffy equation in which variance in catch-at-length for a given age is proportional ... to the mean length at that age. The model makes provision for IUU catches, insofar as this is possible given ...
Meeting Document : WG-FSA-12/31 : Author(s): E. Thomson and M. Bergh (South Africa)
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Distribution, abundance and acoustic properties of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea
during the New Zealand International Polar Year Census of Antarctic Marine Life research voyage on R.V ... 500 m. A weak layer at about 80 m depth was associated with juvenile silverfish of 50–80 mm standard ... the New Zealand International Polar Year Census of Antarctic Marine Life research voyage on R.V. Tangaroa ... m. A weak layer at about 80 m depth was associated with juvenile silverfish of 50–80 mm standard ...
Meeting Document : WG-FSA-10/P04 : Author(s): R.L. O’Driscoll, G.J. Macaulay, S. Gauthier, M. Pinkerton and S. Hanchet
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Revised research longline fishing proposal for Dissostichus spp. in Subarea 48.2, second season
and Modelling (WG-SAM) during the meeting held in Buenos Aires, Argentina, on 26 to 30 June 2017. Among ... collaboration that could be implemented after 2018 season, which was welcomed by the Delegation of Ukraine ... ) during the meeting held in Buenos Aires, Argentina, on 26 to 30 June 2017. Among the ... collaboration that could be implemented after 2018 season, which was welcomed by the Delegation of Ukraine ...
Meeting Document : WG-FSA-17/27 : Author(s): Delegation of Chile
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Age-at-length of Patagonian toothfish from South Georgia
Abstract: To provide an age-length key for use in modelling the age structure of the Patagonian ... toothfish stock around South Georgia, we used otoliths to estimate the age of a sample of 264 Patagonian ... reader undertook three readings of the sections, estimating age using criteria corresponding to those ... given by the CCAMLR Otolith Network for toothfish from South Georgia. Age estimates during the first two ...
Meeting Document : WG-FSA-02/75 : Author(s): J. Ashford, M. Belchier, C. Jones and S. Bobko
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LENGTH-BASED ASSESSMENT FOR MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) IN SUB-AREA 48.3
) in sub‐area 48.3 employs the CMIX and GYM packages, which derives population numbers‐at‐age and projects ... identification of age cohorts from the survey data. In this paper we describe a length‐based approach ... . A comparison of this method and the existing age‐based CMIX/GYM methodology showed very good agreement ... length distribution from which it was difficult to reliably estimate age composition in CMIX. Using ...
Meeting Document : WG-FSA-09/27 : Author(s): R.M. Hillary (Australia), C.T.T. Edwards, R.E. Mitchel and D.J. Agnew (United Kingdom)