Resultados de la búsqueda
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The use of electronic monitoring camera system for the toothfish fishery in CCAMLR Subarea 48.3: a study case to help CCAMLR
by a scientific observer was compared with recorded video footage recorded by 3 different video ... requires considerable effort and cost with mixed results. For example it is not always possible to achieve ... divided in settings and hauling operations where at-sea observations were matched with video footage ...
Meeting Document : WG-FSA-14/27 : Autor(es): R.A. Benedet (United Kingdom)
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Population structure of the Antarctic toothfish, Dissostichus mawsoni from the Areas 58 and 88 in the Antarctic Ocean based on mitochondrial and microsatellite DNA markers
polymorphism (h =0.109, π =0.0002) with only eight COI haplotypes in 213 individuals, connected only by 1-3 ... mutational steps. Nonetheless, microsatellites showed much higher variation with allelic richness (AR) values ... clarify this, further study with additional polymorphic markers (such as microsatellites) using more ...
Meeting Document : WG-FSA-2019/36 : Autor(es): H.-K. Choi, J.E. Jang, S.Y. Byeon, S. Chung, S.-G. Choi, H. W. Kim and H.J. Lee
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Estimating food consumption of marine predators: Antarctic fur seals and macaroni penguins
consumed. 3. Assuming a diet mainly of krill Euphausia superba, annual food consumption by Antarctic fur ... seals and macaroni penguins at the island of South Georgia was 3•84 [coefficient of variation (CV) = 0 ... macaroni penguins compete for krill with a commercial fishery, these results provide an insight into the ... consumption of 0?35 (CV = 0?11) and 0?72 (CV = 0?23) G tonnes year –1. Carbon expired as CO 2 was 0?26 (CV = 0 ...
Meeting Document : WG-EMM-02/23 : Autor(es): I.L. Boyd (United Kingdom)
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NET-BASED VERIFICATION OF ACOUSTIC TECHNIQUES USED TO IDENTIFY ANTARCTIC KRILL
identification algorithms for krill: (i) ‘3 freq model’- using the SDWBA to set the acceptance windows for both ... ’ algorithm attributed more than 90 % of the total backscatter to krill in all but 1 aggregation with the ‘2 ... backscatter to krill in 6 nets while the ‘3 freq model’ attributed only just greater than 50 % of the ...
Meeting Document : WG-EMM-08/54 : Autor(es): J. Watkins and S. Fielding (United Kingdom)
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2007 assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
become available for the years 2006 and 2007. The assessment allows for a second fleet to accommodate ... cetacean predation associated with longlining). Author(s): A. Brandão and D.S. Butterworth (South Africa ...
Meeting Document : WG-FSA-07/34 Rev. 1 : Autor(es): A. Brandão and D.S. Butterworth (South Africa)
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Natural mortality rates of the Antarctic krill Euphausia superba Dana in the Indian sector of the Southern Ocean
equation. The coefficients of natural mortality of E. superba derived with this method range from 0.49 ... , during the maturation period, to 1.17 and 3.22 during the first and last years of life, respectively ...
Meeting Document : WG-KRILL-93/44 : Autor(es): E.A. Pakhomov (Ukraine)
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Assessment of fishable krill biomass on the basis of the acoustic surveys results using geostatistical methods
compliance with different thresholds of their fishery importance. The structure of krill density field in ... by years and SSMUs reflecting inter-annual fluctuations of the krill density field structure ...
Meeting Document : WG-SAM-10/07 Rev. 1 : Autor(es): S.M. Kasatkina and P.S. Gasyukov (Russia)
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The fish fauna of the Argentine Islands region (Antarctica; 12 UAE 2007–2008) and morphometrical changeability of Notothenia coriiceps (Richardson, 1844)
were studied. New fishes subdominant was registry with help our researches. Trematomus bernacchii was ... subdominant in the previous years, but during our researches Notothenia rosii prevailed already. Biological ...
Meeting Document : WG-FSA-12/P06 : Autor(es): V.N. Trokhymets, V.A. Tymofyeyev and J.S. Perechrest
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Research plan for the exploratory longline fishery for Dissostichus spp. in 2012/13 in Division 58.4.3a (this is a revision of WG-SAM-12/14)
years. This paper is a revised proposal of WG-SAM-12/14 encouraged by 2012 SAM working group for a ... detailed catch, effort and biological data with a nearly same survey design as in the 2012. It will include ...
Meeting Document : WG-FSA-12/29 : Autor(es): A. Rélot-Stirnemann (France)
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Low genetic diversity and temporal stability in the Antarctic toothfish (Dissostichus mawsoni) from near-continental seas of the Antarctica
differences between geographic locations or between samples collected in consequent years were observed. Our ... Ross Dependency. Discrepancy in allelic frequency with previously published data was also found for ...
Meeting Document : WG-FSA-13/07 : Autor(es): N.S. Mugue, A.F. Petrov, D.A. Zelenina, I.I. Gordeev and A.A. Sergeev (Russia)