Search results
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DISTRIBUTION AND BIOLOGY ON ANTARCTIC KING CRAB PARALOMIS FORMOSA CAUGHT AS BYCATCH IN FISHERY FOR TOOTHFISH (DISSOSTICHUS ELEGINOIDES) ON PATAGONIAN CONTINENTAL SLOPE
exclusive (marine) economic zones of the foreign states (FAO statistical area 41) in the period from ... data on the distribution of crabs in area of toothfish fishery on the Patagonian continental slope were ... Abstract: Scientific observation was conducted in the commercial trip on the long-liner " ... ;Simeiz", operating under the Ukrainian flag, in the south-western Atlantic Ocean outside the ...
Meeting Document : WG-FSA-09/30 : Author(s): Yu.V. Korzun (Ukraine)
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Monitoring krill population variability using seabirds and seals at South Georgia – new samplers provide new insights
frequently detected in the response of upper-trophic level predators. Analysis of the changes in the ... population size structure of krill in the diet of Antarctic fur seals Arctocephalus gazella, particularly ... growth and mortality in generating the high amplitude of variability in krill abundance at South Georgia ... information on the key life-history parameters of prey species that are fundamental to reducing uncertainty in ...
Meeting Document : WG-EMM-04/63 : Author(s): K. Reid, E.J. Murphy, J.P. Croxall and P.N. Trathan (United Kingdom)
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Krill population dynamics at South Georgia 1991–1997, based on data from predators and nets
during December but were completely replaced by small krill by February. The mean length of the March ... in the length-frequency distribution, we suggest that year's of high mean krill length reflect failure ... during December but were completely replaced by small krill by February. The mean length of the March ... in the length-frequency distribution, we suggest that year's of high mean krill length reflect failure of small ...
Meeting Document : WS-AREA 48-98/15 : Author(s): K. Reid, J. Watkins, J. Croxall and E. Murphy (UK)
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Report on fish by-catch on exploratory fishing in Divisions 58.4.1 and 58.4.2
or groups of species. In 2018, by-catch represented 12% of the total catch (43 tonnes over 307 tonnes ... of Dissostichus spp.) in Divisions 58.4.1 and 58.4.2. 98% of the biomass was represented by 2 ... everywhere. The ratio by-catch to target catch was higher in the eastern part of Division 58.4.1. The ratio ... /1000 hooks locally. As found in others areas of the Convention, Macrourus CPUE was 2 times higher for ...
Meeting Document : WG-FSA-18/28 : Author(s): C. Péron, P. Yates, D. Maschette, C. Chazeau, P. Ziegler, D. Welsford, N. Gasco and G. Duhamel
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Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean, Antarctic
to the physical intolerance to the cooler temperature by the lack of antifreeze for the former species. The mean ... to the physical intolerance to the cooler temperature by the lack of antifreeze for the former species. The mean ...
Meeting Document : WG-FSA-10/47 : Author(s): K. Taki, M. Kiyota, T. Ichii and T. Iwami (Japan)
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Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean, Antarctic
to the physical intolerance to the cooler temperature by the lack of antifreeze for the former species. The mean ... to the physical intolerance to the cooler temperature by the lack of antifreeze for the former species. The mean ...
Meeting Document : WG-SAM-10/16 : Author(s): K. Taki, M. Kiyota, T. Ichii and T. Iwami (Japan)
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Revised research plan for toothfish in Division 58.4.4 b by Shinsei maru No. 3 in 2014/15
(vulnerable biomass in 2013), respectively. The stock sizes of D. eleginoides in block D is estimated at 948 ... next fishing season with the same survey design and sample size of 60 tonnes in order to further ... strengthen the stock assessments in the area. Author(s): Delegation of Japan Title: Revised research plan ... Abstract: In this document, we revise stock status assessments of D. eleginoides in research ...
Meeting Document : WG-FSA-14/21 : Author(s): Delegation of Japan
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Detailed distribution of krill fishing around South Georgia
only been available to the scientific community in the form of sub-area or fine-scale(0.5 ° latitude by ... has operated they do not reveal the localised nature of the fishing operation. In particular they give ... available from August but the fishery was restricted in that period to an area on the western edge of the ... Abstract: The distribution of kri!! harvesting effort and associated catch rates has previously ...
Meeting Document : WG-EMM-96/64 : Author(s): Parkes, G., Everson, I., Trathan, P.N., Murphy, E.J.
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AN ECOSYSTEM-BASED MANAGEMENT PROCEDURE FOR KRILL FISHERIES: A METHOD FOR DETERMINING SPATIALLY-STRUCTURED CATCH LIMITS TO MANAGE RISK OF SIGNIFICANT LOCALISED FISHERIES IMPACTS ON PREDATORS.
formalism means there is no need to undertake a staged approach in providing advice. The advice can ... formalism means there is no need to undertake a staged approach in providing advice. The advice can ...
Meeting Document : WG-SAM-08/16 : Author(s): A. Constable and S. Candy (Australia)
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Target strengths of krill at 136 and 20 kHz
and using trawling-acoustic method. Ensonification of encaged live krill. For aggregations with mean lengths ... in the range (45,50) mm the mean single-krill target strengths are in the range (-68,-69) dB at 136 kHz ... . For aggregations with mean lengths in the range (43,47)mm the mean single-krill target strengths are in the range ... (-71,-77) dB at 20 kHz. Trawling-acoustic method. For aggregations with mean lengths in the range ...
Meeting Document : WG-KRILL-91/29 : Author(s): S.M. Kasatkina (USSR)