Resultados de la búsqueda
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Antarctic icefishes (Channichthyidae) – a unique family of fishes – a review
may not be older than 6 MA, i.e. they evolved well after the Southern Ocean started to cool down or ... – winter. The incubation period spans from 2 months in the north of the Southern Ocean to more than 6 ... months close to the continent. Growth in icefish to the extent it is known is fairly rapid. They grow 6 ...
Meeting Document : WG-FSA-04/10 : Autor(es): K.-H. Kock (Germany)
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Offal Management Group – update
paragraph 6, that prohibits dumping or discharging offal and discards south of 60°S, appear to be the result ... do not indicate a specific action required to improve the implementation of CM 26-01 paragraph 6 ...
Meeting Document : CCAMLR-38/BG/08 : Autor(es): CCAMLR Secretariat
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Interactions between longline vessels and seabirds in Kerguelen waters and a method to reduce seabird mortality
giant petrels (8%) and three species of albatrosses, the wandering (11%), black-browed (6%) and grey ... the total number of tries), the black-browed (7%) and the grey-headed (6%) albatrosses, than by ...
Meeting Document : WG-IMALF-94/12 : Autor(es): Yves Cherel, Henri Weimerskirch and Guy Duhamel (France)
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Reporting procedures for the continuous fishing method
extending reporting frequency to 6-hour intervals to remove some of the methodological negative impacts on ... at the cost of a high uncertainty in the individual 2-hour catches. We still consider a 6-hours ...
Meeting Document : WG-EMM-17/48 : Autor(es): O.R. Godø and T. Knutsen
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Community Structure of copepods in epipelagic layers in the Ross Sea and neighboring waters
-2279.5; mean 610.5 inds. 1000 m-3) and dominance of Rhincalanus gigas (mean 88.4%). Group 2 located off ... -1542.1; mean 301.9 inds. 1000 m-3) and high composition of Calanus plopinquus (mean 19.0%), Rhincalanus ... gigas (mean 23.2%) and Calanoides acutus (mean 38.7%). Group 3 and 4 located in the Ross Sea (175°E ... . 1000 m-3, 6.5-50.6; mean 18.5 inds. 1000 m-3). Author(s): Y. Watanabe, S. Sawamoto, T. Ishimaru and M ...
Meeting Document : WG-EMM-08/36 : Autor(es): Y. Watanabe, S. Sawamoto, T. Ishimaru and M. Naganobu (Japan)
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An evaluation of reduced target strength estimates reported for krill (Euphausia superba)
) density dependent effects; and 3) compounding of diel effects. The possible bias in the calculations of ... target strength due to these weaknesses indicate an estimated 3-5 dB error due to unaccounted for ... directivity effects as a result of items under category 1; an estimated 2-3 dB bias due to systematic errors ... under category 2; and an estimated 3-4 db error due to category 3. Thus there is reason to believe that ...
Meeting Document : WG-KRILL-90/13 : Autor(es): M.C. Macaulay (USA)
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Estimation of the incidental capture of seabird species in commercial fisheries in New Zealand waters, 2000/01
ling autoline sets caught seabirds, compared with 6% of observed chartered tuna longline sets caught ... varied from 0.218 seabirds per 1000 hooks (s.e. = 0.033) in LIN 6 to 0.004 (s.e. = 0.004) in LIN 2; for ... estimates are provided for the main fisheries: 16 seabirds (c.v. = 6%) were caught during chartered tuna ...
Meeting Document : WG-FSA-04/55 : Autor(es): S.J. Baird (New Zealand)
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CCAMLR ecosystem monitoring program standard methods: determination of sex of Adelie penguins
when more than 90% of the incubating birds were male and a 6- or 7-day period when more than 90% of the ... identified with 91∙8–98∙6% accuracy within 15–21 days after the first sighting of an egg. The method provides ...
Meeting Document : WG-CEMP-94/08 : Autor(es): K.R. Kerry, J.R. Clarke and G.D. Else (Australia)
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Demersal longlines with integrated weight: a preliminary assessment of sink rates, fish catch success and operational effects
attached weights (6 kg/49 m) in the New Zealand ling fishery. Longlines with 0 g/m (unweighted), 25 g/m, 50 ... sank instantly, reaching 1 m depth in 6-9 s whereas unweighted lines took >20 s to reach this depth ...
Meeting Document : WG-FSA-02/22 : Autor(es): G. Robertson (Australia), M. McNeill, B. King (New Zealand) and R. Kristensen (Norway)
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Krill distribution and biomass variability within Subarea 48.3 in June 1991
in an 8 x 6 mile micropolygon, where eight consecutive hydroacoustic surveys were carried out. Krill ... 1 554 units. Krill biomass in the polygon varied spasmodically within the range from 1 091 to 6 085 ...
Meeting Document : WG-KRILL-93/35 : Autor(es): S.M. Kasatkina, E.N. Tymokhin, P.P. Fedulov and K.E. Shulgovskiy (Russia)