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CCAMLR

Comisión para la Conservación de los Recursos Vivos Marinos Antárticos

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  1. The influence of bait quality on the sink rate of bait used in the Japanese longline tuna fishing industry: an experimental approach

    sank whereas frozen bait floated. Fish with inflated swim bladders floated, however, even when thawed ... (to avoid fish species with swim bladders which cause the bait to float), the proper thawing of bait ... decrease with increased bait sink rates, particularly if the baits can be made to sink to a depth greater ... , which is an approximation of the amount of time after deployment from a longliner that a bait would be ... means that the fastest sinking baits would still only be at a depth of 1 m when 31 m astern, 2 m at 62 ... sec. m-' by the addition of a 10 g weight, and this rate could be increased by 30 to 40% with the ...

    Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 123–129 : Autor(es): Brothers, N., A. Foster and G. Robertson

  2. Assessment of krill flux factors in waters of South Orkney Islands during summer 1996

    study area  perimeter. Mean krill transport rate was 7.2 tonnes/hour/n mile with a standard deviation of ... experiment, a preliminary estimate of krill outflow from the study area into adjacent areas would be ... % = 831.0 tonnes / hour. It is well known that krill flux can be caused not only by geostrophic factors ... ) variability of krill flux should be studied with as many observations being made as possible. These ... tonnes/hour/n mile with a standard deviation of 15.5 tonnes/hour/n mile. Significant variability of ... study area into adjacent areas would be approximately 9.2 million tonnes. Resume Les auteurs donnent ...

    Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 195–204 : Autor(es): Kasatkina, S.M., V.N. Shnar, M.I. Polischuk, A.M. Abramov and V.A. Sushin

  3. Acoustic estimates of krill density at South Georgia, 1981 to 1998

    from year to year over that time, ranging from ≈ 2 to  ≈ 150 g m-2 (fresh mass). The 1982, 1991 and ... cruises (Figure 1). From this it can be seen that before 1996, data were available from areas broadly ... be conducted in hours of daylight. With the exception of the 1982 value, all biomass estimates ... conclude that variability there is associated with 'high interannual fluctuations in stock size and not ... (Watkins et al., 1999), also suggest that oceanographic and krill population processes may not be the ...

    Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Autor(es): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson

  4. CPUEs and body length of Antarctic krill density during the 1997/98 season in Area 48

    Antarctic Peninsula, the modal size was approximately 50mm, with narrow size range. Around the South ... differed among the periods. In the north east of South Georgia, single mode (approx. 37-39mm) with narrow ... trend across time. The main reason for the variations of the CPUE among the vessels were thought to be ...

    Meeting Document : WG-EMM-99/48 : Autor(es): S. Kawaguchi (Japan)

  5. Report of vulnerable marine ecosystems in South Georgia Islands (CCAMLR Subarea 48.3) through research dredge sampling

    specific sampling performed with dredge. Two indicator taxonomic groups (Porifera and Ascidiacea) dominated ... here with previous reports in the same area. Thus, owing to high diversity and abundance of indicators ... taxa, at least six areas around South Georgias should be considered as VME to minimize the risks caused ...

    Meeting Document : WG-FSA-13/58 : Autor(es): E. Gaitán, L. Schejter, D. Giberto, M. Escolar and C. Bremec (Argentina)

  6. Research plan for exploratory fishing for toothfish (Dissostichus spp.) in 2015/16 in Division 58.4.1

    . Robust stock assessment and catch limits according to CCAMLR decision rules remain to be determined for ... this Division. In 2008, only one vessel, Tronio, has conducted research fishing in accordance with a ... with the other participants over the coming years in order to participate in the tagging program and ...

    Meeting Document : WG-SAM-15/16 : Autor(es): Delegation of France

  7. Revised research plan for the exploratory longline fishery for Dissostichus spp. in 2015/16 in Division 58.4.1

    . Robust stock assessment and catch limits according to CCAMLR decision rules remain to be determined for ... this Division. In 2008, only one vessel, Tronio, has conducted research fishing in accordance with a ... with the other participants over the coming years in order to participate in the tagging program and ...

    Meeting Document : WG-FSA-15/73 : Autor(es): A. Rélot-Stirnemann (France)

  8. Shags in Antarctica: their feeding behaviour and ecological role in the marine food web.

    competition. Like other sub-Antarctic shags, P. bransfieldensis and P. georgianus are bottom feeders that prey ... decade at several Antarctic localities; this phenomenon at the South Shetland Islands might be at least ... as regulators of populations of its main fish prey species that have a marked site fidelity. The ...

    Meeting Document : WG-FSA-05/P5 : Autor(es): Casaux, R., Barrera-Oro, E.R.

  9. Concordance of inter-annual fluctuations in densities of krill around South Georgia and Elephant Islands: biological evidence of same-year teleconnections across the Scotia Sea

    similarities suggests that densities of krill at both locations are directly linked, and may be impacted by the ... temporal and spatial scales. The observed concordance also implies that the pelagic ecosystems at these ...

    Meeting Document : WS-AREA 48-98/11 : Autor(es): A.S. Brierley (UK), D.A. Demer, R.P. Hewitt (USA) and J.L. Watkins (UK)

  10. Demersal fish communities in the Ross Sea region of Antarctica: comparisons between video and trawl survey methods

    the trawl than the video and biomass estimates were similar. We hypothesise that this pattern could ... result from size-specific depth preferences in Macrourus spp. and conclude that video and trawl methods ... provide complementary information and if used together could be effective in routine assessments of ...

    Meeting Document : WG-FSA-12/51 : Autor(es): D.A. Bowden, S.M. Hanchet and P.M. Marriott (New Zealand)

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Correo electrónico: ccamlr [at] ccamlr [dot] org
Teléfono: +61 3 6210 1111
Facsímil: +61 3 6224 8744
Dirección: 181 Macquarie Street, Hobart, 7000, Tasmania, Australia

 

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