Resultados de la búsqueda
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FIRST EXPERIMENTAL SETTINGS OF DEEPWATER VERTICAL LONGLINES IN THE ANTARCTIC TOOTHFISH FISHERY DISSOSTICHUS MAWSONI NORMAN, 1937 (PERCIFORMES, NOTOTHENIIDAE) IN THE AMUNDSEN SEA
Abstract: For the first time in the history of deepwater longline fishing on Antarctic toothfish ... Russian longliner Yantar in March, 2008 in the Amundsen Sea (subarea 88.2,D of the Pacific sector). The ... resided in bathypelagial as well as near the bottom. Author(s): N.V. Kokorin (Russia) and V.V. Serbin ... (Ukraine) Title: FIRST EXPERIMENTAL SETTINGS OF DEEPWATER VERTICAL LONGLINES IN THE ANTARCTIC TOOTHFISH ...
Meeting Document : WG-FSA-09/08 : Autor(es): N.V. Kokorin (Russia) and V.V. Serbin (Ukraine)
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Re-analysis of CPUE in both species of toothfish in 48.6 area
Abstract: The present report re-analyses data regarding CPUE for both species of toothfish in ... northern area of 48.6 (SSRU 48.6A, 48.6G). This report is a re-analysis of the CPUE time series proposed in ... previous work (SAM 13/29) which includes all those comments and suggestions made in the last SAM meeting ... Patagonian toothfish presented a high proportion with sets in which both species are present, and thus, an ...
Meeting Document : WG-FSA-13/63 : Autor(es): R. Wiff, J.C. Quiroz (Chile) and R. Scott (United Kingdom)
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Assessment of yield and status of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean: implications for managing by-catch in CCAMLR fisheries
data were taken from a trawl survey conducted at Macquarie Island in 1999. Where parameters were not ... elsewhere in the world. The trawl survey data was used to calculate estimates of biomass and density for the ... catch rates of M. carinatus in longline fisheries targeting Dissostichus eleginoides. Applying the ... critical y to the mean density observed in the survey results gives a catch rate of 5.81 kg/km2 which ...
Meeting Document : WG-FSA-99/69 : Autor(es): E.M. van Wijk, A.J. Constable, R. Williams and T. Lamb (Australia)
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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 : Autor(es): G. Robertson, B. Wienecke, K. Lawton and B. Baker (Australia)
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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 : Autor(es): V.V. Lidvanov, A.V. Zimin, K.E. Shulgovsky (Russia)
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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 : Autor(es): J.M. Fenaughty (New Zealand)
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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 : Autor(es): Leathwick, J.R., Elith, J., Taylor, P., Francis, M.P., Hastie, T.
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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 : Autor(es): E. Marschoff and B. Gonzalez (Argentina)
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Results of krill fishery in Subarea 48.2 in the 2009 season based on data of the Russian vessel Maxim Starostin
Abstract: Results of Russian krill fishery in the area 48.2 in the season of 2009 (March ... – beginning of June) on the cruise data of trawler “ Maxim Starostin ” are discussed in the paper. The vessel ... hydrometeorological and ice conditions are given in the paper. Author(s): S.Yu. Gulyugin, V.E. Polonskiy and S.M ... . Kasatkina (Russia) Title: Results of krill fishery in Subarea 48.2 in the 2009 season based on data of the ...
Meeting Document : WG-EMM-10/08 : Autor(es): S.Yu. Gulyugin, V.E. Polonskiy and S.M. Kasatkina (Russia)
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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 : Autor(es): N.V. Kokorin and A.F. Petrov (Russia)