Search results
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Peculiarities of spatial-temporal variability of oceanological conditions in the Weddell Sea region in the context of the development of a stock hypothesis for Antarctic toothfish (Dissostichus mawsoni) in Area 48
nature of these data at all stages of the toothfish life. Otherwise, the results may be insufficiently ... Abstract: A significant spatial-temporal variability of the oceanological environmental ... conditions influencing the formation of biological productivity zone in Subareas 48.5 and 48.6 is revealed ... . Analysis of available information for the development of the stock hypothesis for Antarctic toothfish stock ...
Meeting Document : WS-SM-18/11 : Author(s): V. Shnar and S. Kasatkina
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Insights from the study of the last intact neritic marine ecosystem
Southern Ocean and other portions of the World Ocean, remains at least for now, intact. If its whales ... , after compiling information from 19 subregions, on how the exploited shelf ecosystems of the North ... be structured by predation. Analysis has shown, however, that some portions of the Ross Sea follow ... , bottom-up structuring likely would prevail. Author(s): D. Ainley Title: Insights from the study of the ...
Meeting Document : WG-EMM-07/P3 : Author(s): D. Ainley
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Modifications to the Generalised Yield Model: updated input of recruitment time series data and annual fishing selectivity functions
series from survey data for each value of natural mortality used in the assessments, whenever it is ... altered over the range of uncertainty in M factored into the assessment process. Data from outputs from ... , endeavouring to predetermine the recruitment series with an average value of M is no longer necessary for ... sections for each year at which the selectivity is altered. Author(s): A.J. Constable (Australia) Title ...
Meeting Document : WG-FSA-01/74 : Author(s): A.J. Constable (Australia)
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Standardised estimates of D. eleginoides catches per effort in Subarea 48.3 using information for 1985/86–1990/91 seasons
Abstract: A brief description of hawl-by-hawl data sets from Ukrainian commercial vessels fishing ... summer months off the eastern South Georgia and at Shag Rocks. The length frequency modes amounted to 95 ... -100 cm, which exceeded modes for the latest years of fishery. Using the generalized additive model the ... approximately similar, while in 1996-99 it decreased sharply. It is shown that significance of such factors as a ...
Meeting Document : WG-FSA-00/33 : Author(s): P. Gasiukov (Russia) and V. Bibik (Ukraine)
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Proposals for the governance and control of fishing vessels and fishing support vessels operating in the Southern Ocean
Abstract: There are a number of steps that CCAMLR and its members can take to improve the ... governance and control of fishing vessels in the Southern Ocean and thereby enhance safety, ecosystem-based ... -strengthening and obtaining IMO numbers for all vessels, reports on all vessel incidents, and notification of ... at the earliest opportunity. CCAMLR Members should also support efforts to bring the new Cape Town ...
Meeting Document : CCAMLR-XXXII/BG/18 : Author(s): Submitted by ASOC
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Results of the longline survey for toothfish in the northern Ross Sea region (SSRU 88.2A) by the FV Seljevær, Norway
catch of 11 t of D mawsoni and 33 tagged fish released at 3.1 fish tagged per ton. Author(s ... fishable areas of SSRUs 88.2 A–B north of 66° S latitude. During the 5 th- 7 th February 2015, the ... release tagged fish and collect information on the characteristics of the toothfish inhabiting the region ... . The vessel had a technical failure with the echosounder and bathymetry data are of low quality. The ...
Meeting Document : WG-SAM-15/42 : Author(s): Delegation of Norway
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An inter-laboratory comparison of ages estimated for Dissostichus eleginoides using otoliths
Abstract: To examine consistency between laboratories in age estimation of Patagonian toothfish ... , then grinding from the anterior and posterior sides of the otolith. Ages were estimated from the ... otoliths by one reader from the Center for Quantitative Fisheries Ecology at Old Dominion University and ... one reader from the National Institute of Water and Atmospheric Research, without auxiliary ...
Meeting Document : WG-FSA-99/56 : Author(s): J. Ashford (United Kingdom) and P. Horn (New Zealand)
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Preliminary studies on age and growth of Dissostichus eleginoides in the Ob-Lena Bank
Abstract: Preliminary studies on the age and growth of Dissostichus eleginoides sampled in the ... 2007/08 season in the Ob-Lena Bank were carried out. The ages of 214 of 3,013 fish sampled by Observers ... grew at a faster rate and reach a larger size than males. We took several advises and comments about ... the methods of otolith readings by experienced readers of AAD. One of these is that the first ring was ...
Meeting Document : WG-FSA-10/48 : Author(s): K. Taki, M. Kiyota and T. Ichii (Japan)
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Estimation of toothfish distribution and population size in Subarea 88.3 by results of research longline fishing in 2011–2012
set at a depth from 625 to 2336 m. Total number of set hooks amounted 171096. In 2011 research fishing ... . Collected from research fishing data contributes to the achievement of the main objectives of research- make ... estimation of toothfish quantity, as well as expand the knowledge about toothfish`s and by-catch species ... V.V. Akishin (Russia) Title: Estimation of toothfish distribution and population size in Subarea 88.3 ...
Meeting Document : WG-SAM-12/20 : Author(s): V.A. Tatarnikov, I.G. Istomin and V.V. Akishin (Russia)
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Analysis of inter-vessel variability of krill length distribution in the catches obtained in the fishery in the Bransfield Strait (Subarea 48.1)
Abstract: The inter-vessel variability of krill distribution in the catches obtained in the ... Bransfield Strait (SSMU APBSW and APBSE) in April and May 2014 and 2015 was analyzed. The presence of ... operating in the fishing grounds with spatio-temporal overlapping is shown. At the same time, significant ... different fishing methods. The inter-vessel variability of krill length in the catches is more pronounced ...
Meeting Document : WG-EMM-17/28 : Author(s): S. Kasatkina