Search results
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Preliminary report of sound-speed contrast and density of krill measured on board RV Kaiyo Maru
improve the accuracy and precision of the TS value. Since in situ and experimental TS measurements of ... ) and the other is the ratio of the sound speed in animal to that in the surrounding water (sound-speed ... still few. During Antarctic surveys of the Japanese R/V Kaiyo Maru in 2000 and 2004/ 2005, the ... mean total length and mean density were 43.5mm and 1.0562gcm-3, respectively in 2000 survey, and were ...
Meeting Document : WG-EMM-05/36 : Author(s): Y. Takao, H. Yasuma, R. Matsukura and M. Naganobu (Japan)
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Demersal longlines with integrated weight: a preliminary assessment of sink rates, fish catch success and operational effects
Abstract: Conservation Measure # 216 requires vessels fishing in sub area 88.1 + sink longlines ... 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 ... /m added weight are recommended for testing in a subsequent trial to examine the effectiveness of IW ...
Meeting Document : WG-FSA-02/22 : Author(s): G. Robertson (Australia), M. McNeill, B. King (New Zealand) and R. Kristensen (Norway)
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Time series of Drake Passage Oscillation Index (DPOI) from 1952 to 2005, Antarctica
Abstract: An assessment of the environmental processes influencing variability in the recruitment ... and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... affects the Antarctic marine ecosystem as a whole. Naganobu et al. (1999) had assessed variability in ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ...
Meeting Document : WG-EMM-05/17 : Author(s): M. Naganobu and K. Kutsuwada (Japan)
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Seabird mortality and the Falkland Islands trawling fleet
, trawling and hauling operations for 157 days onboard finfish trawlers in the Falkland Islands in 2002/03 ... of these birds become impaled on a splice in the cable, which was situated on average around 50-100m ... from the waters surface, and are subsequently hauled onboard. In over 600 observed hauls in 2001-03 no ...
Meeting Document : WG-FSA-03/91 : Author(s): B.J. Sullivan, T.A. Reid, L. Bugoni and A.D. Black (United Kingdom)
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An interpretation of the growth of the Adelie penguin rookery at Cape Royds, 1955-1990
Abstract: The population dynamics of the Cape Royds rookery were modelled by computer, in order ... to determine the probable causes of the dramatic increase since 1980 in the numbers of Adelie ... penguins, Pygoscelis adeliae, breeding in the Ross Sea region, Antarctica. Variations in the extent of sea ... probably the result of a recent warming of the Ross Sea climate. Published in: New Zealand Journal of ...
Meeting Document : WG-CEMP-92/21 : Author(s): N. Blackburn (Denmark), R.H. Taylor and P.R. Wilson (New Zealand)
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A proposal for the establishment of a Ross Sea region Marine Protected Area
Conservation of Antarctic Living Marine Resources (Commission or CCAMLR) of a marine protected area (MPA) in ... the Ross Sea Region (“Ross Sea Region Marine Protected Area”). In recognition of the globally ... significant ecological, environmental, scientific and historic values of the Ross Sea Region, and in line with ... New Zealand delegation proposes to establish this MPA in order to achieve the conservation of ...
Meeting Document : CCAMLR-XXXI/16 Rev. 1 : Author(s): Delegations of New Zealand and the USA
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Learning about Antarctic krill from the fishery
environmental change. This is partly due to certain difficulties in relation to logistics, operations and survey ... biology. The krill fishery is the largest fishery in the Southern Ocean, continuously operating since ... discussions to understand krill biology. In this paper, after a brief overview of krill fishery operation and ... research in relation to recent changes in the Southern Ocean environment. Author(s): S. Kawaguchi and S ...
Meeting Document : WG-EMM-07/P5 : Author(s): S. Kawaguchi and S. Nicol (Australia)
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Learning about Antarctic krill from the fishery
environmental change. This is partly due to certain difficulties in relation to logistics, operations and survey ... biology. The krill fishery is the largest fishery in the Southern Ocean, continuously operating since ... discussions to understand krill biology. In this paper, after a brief overview of krill fishery operation and ... research in relation to recent changes in the Southern Ocean environment. Author(s): S. Kawaguchi and S ...
Meeting Document : WG-EMM-06/24 : Author(s): S. Kawaguchi and S. Nicol (Australia)
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Short note: time series of Drake Passage Oscillation Index (DPOI) from 1952 to 2003, Antarctica
Abstract: An assessment of the environmental processes influencing variability in the recruitment ... and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... affects the Antarctic marine ecosystem as a whole. Naganobu et al. (1999) had assessed variability in ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ...
Meeting Document : WG-EMM-03/46 : Author(s): M. Naganobu and K. Kutsuwada (Japan)
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An inter-laboratory comparison of ages estimated for Dissostichus eleginoides using otoliths
Abstract: To examine consistency between laboratories in age estimation of Patagonian toothfish ... , otoliths were taken from 100 fish caught in the South Atlantic, and transverse sections prepared by baking ... years or less of each other. Variation in estimates between readers did not increase markedly with age ... full age range, indicating differences in the criteria used to interpret the first few years of age ...
Meeting Document : WG-FSA-99/56 : Author(s): J. Ashford (United Kingdom) and P. Horn (New Zealand)