Search results
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Biotopic and spatial distribution of krill Euphausia superba Dana (Crustacea, Euphausiacea) length groupings in the Atlantic sector of Antarctic in summer 1984 and 1988
the basis of the data of two complex surveys carried out in the western Atlantic sector of Antarctic ... in summer 1984 and 1988. The large-length grouping is biotopically associated with the waters of the ... length structure was revealed in the survey 1988. It is assumed that the first grouping is transported ... impact of the secondary frontal zone dynamic conditions. Hydrometeorological conditions in summer 1988 ...
Meeting Document : WG-EMM-04/27 : Author(s): V.V. Lidvanov, A.V. Zimin, K.E. Shulgovsky (Russia)
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VARIATION IN DEMERSAL FISH SPECIES RICHNESS IN THE OCEANS SURROUNDING NEW ZEALAND: AN ANALYSIS USING BOOSTED REGRESSION TREES
‘stochastic gradient boosting’). Depth was the single most important environmental predictor of variation in ... moderately high richness between 400 and 1100 m. Richness was higher both in waters with high surface ... concentrations of chlorophyll a and in zones of mixing of water bodies of contrasting origins. Local variation in ... temperature was also important, with lower richness occurring in waters that were cooler than expected given ...
Meeting Document : WS-VME-09/P04 : Author(s): Leathwick, J.R., Elith, J., Taylor, P., Francis, M.P., Hastie, T.
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Results of scientific observation in Antarctic krill fishery in 2010/11: II. analysis of variability of krill size and fish by-catch
) incorporated in a state-space model that separates biological process error from fishery process error and ... observation error. The parameters of the model were estimated by the Markov chain Monte Carlo (MCMC) method in ... krill length model, some parameters did not converge well in the bycatch fish model. The interaction ... is no clear difference among cruises within a vessel. The uncertainty in parameter estimation is ...
Meeting Document : WG-EMM-12/67 : Author(s): T. Okuda and M. Kiyota (Japan)
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Progress report on the Korean exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in 2016/17 season
Abstract: The research fishing was conducted in Divisions 58.4.1 and 58.4.2 from 12 January 2017 ... to 14 March 2017 in 2016/17 fishing season. One additional national observer was on board to perform ... additionally satellite archival tags were attached to 5 individuals of D. mawsoni. In Divisions 58.4.1 and ... encountered unknown fishing gears during research fishing in SSRU G and E of the Division 58.4.1 and reported ...
Meeting Document : WG-SAM-17/27 : Author(s): S.-G. Choi, J. Lee, J. Lee and D. An
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Notification of research-in-progress in an Australian tuna fishery of relevance to the conservation of Convention Area seabirds
Abstract: This purpose of this document is to inform CCAMLR of work-in-progress in the Australian ... was completed in April 2005. (b) a manipulative experiment testing the effectiveness of various ... scheduled for October and November 2005 when fleshy-footed shearwaters (the main seabird species taken in ... length (distance between weighted swivel and hook) on the sink rate of branch lines used in Australia’s ...
Meeting Document : WG-FSA-05/13 : Author(s): G. Robertson, B. Wienecke, K. Lawton and B. Baker (Australia)
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Geographical differences in the condition, reproductive development, sex ratio and length distribution in Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Statistical Subarea 88.1)
April. Results of this study indicate measurable differences in a number of indices from toothfish found ... the population was more advanced in reproductive development, were in poorer condition, showed a ... consistent peak over all seasons in comparison with the southern group in which the distribution was ... multimodal. Author(s): J.M. Fenaughty (New Zealand) Title: Geographical differences in the condition ...
Meeting Document : WG-FSA-04/28 Rev. 1 : Author(s): J.M. Fenaughty (New Zealand)
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Optimization of the sampling design in the detection of interannual variability and prey size selectivity in the diet of penguins
Abstract: Based on preliminary results of prey size in Adélie penguins, sampling designs intended ... for detection of interannual variations in prey mean sizes and penguin size related selectivity are ... analysed for the optimal allocation of observations at each level in nested designs. Recommended numbers ... x date interaction equal to the variance component for penguin in dates obtained from a previous ...
Meeting Document : WG-CEMP-90/09 : Author(s): E. Marschoff and B. Gonzalez (Argentina)
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Progress report on the Korean research fishing by longline fishery for Dissostichus spp. in Subarea 88.3 in 2015/16
Abstract: Korean research fishing was conducted in Subarea 88.3 from 8 February 2016 to 5 March ... 2016 in 2015/16 fishing season. The total number of days fished are 41 of 76 days stayed in the fishing ... statistics in Subarea 88.3 were 5.3 and 82%, respectively. Length frequency of D. mawsoni had two peaks and ... biological information of species in detail, otolith, stomach contents, gonad and muscle were collected from ...
Meeting Document : WG-SAM-16/29 : Author(s): Delegation of the Republic of Korea
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Research program to examine the life- cycle and resource potential of Dissostichus spp. in the Special Research Zone within the Ross Sea region marine protected area (RSRMPA) in 2019-2021
Abstract: Russian Federation is going to continue investigation for toothfish in Ross Sea. This ... paper presents the research program in the frame of the Research and Monitoring Plan for RSRMOR. The ... research program shall be conducted in the Special Research Zone during 2019- 2021 or the first reference ... period for existence of the RSRMPA. This program provides possibility for collaborative investigations in ...
Meeting Document : WG-FSA-2019/42 Rev. 1 : Author(s): Delegation of the Russian Federation
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Analysis of longline fleet operation on the Patagonian toothfish (Dissostichus eleginoides) in the subarea of the South Georgia Island (48.3) in 1989–2003
. Taken the intensity of fleet operation as an example in the sub-area, it was confirmed a decrease in ... decrease in catch per unit value and necessity of the more attentive approach to the assessment of the ... state of the toothfish population in this area of traditional fishing and more precautionary approach to ... operation on the Patagonian toothfish (Dissostichus eleginoides) in the subarea of the South Georgia Island ...
Meeting Document : WG-FSA-03/98 : Author(s): N.V. Kokorin and A.F. Petrov (Russia)