Search results
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Exploratory analysis of acoustic data from the Ross Sea
is a major limitation that could only be avoided with the use of an acoustic system deployed at depth ... Abstract: This report presents results from a pilot study to determine the feasibility of ... analyses focused on the subset of acoustic data collected when setting longlines so acoustic recordings ... , corresponding to 2–4 nmi. Data quality was generally good. Of the 84 line recordings, 68 were considered ...
Meeting Document : WG-FSA-SAM 03/9 : Author(s): R.L. O’Driscoll and G.J. Macaulay (New Zealand)
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Diet of the Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (Subarea 88.1)
stomachs examined respectively). Fish sampled in 2001 were caught at depths of 317 to 2 154 m and ranged ... from 58 to 190 cm in total length (TL). Fish sampled in 2002 were caught at depths of 815 to 1 623 m ... Paper Title: Diet of the Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica ... (Subarea 88.1) Abstract / Description: The diet of Antarctic toothfish (Dissostichus mawsoni) captured by ... examined respectively). Fish sampled in 2001 were caught at depths of 317 to 2 154 m and ranged from 58 ... to 190 cm in total length (TL). Fish sampled in 2002 were caught at depths of 815 to 1 623 m and ... –March 2001 and January–March 2002). Fish were caught by bottom longline at depths of 317–2 154 m in ... distribution of the 2001 sample is thus characterised by a broadly defi ned peak of juvenile fi sh (at about ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 113–123 : Author(s): Fenaughty, J.M., D.W. Stevens and S.M. Hanchet
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Quantifying habitat use in satellite-tracked pelagic seabirds: application of kernel estimation to albatross locations
chick rearing period of the breeding cycle at South Georgia. At this time the activity range of these ... Abstract: We develop a new approach to quantifying habitat use within the foraging ranges of ... satellite-tracked seabirds. We applied kernel estimation techniques to 167 days (3738 locations) of data ... . In contrast, kernel estimation reveals that the main foraging areas of these two sympatric ...
Meeting Document : WG-FSA-99/19 : Author(s): A.G. Wood (United Kingdom), B. Naef-Daenzer (Switzerland), P.A. Prince and J.P. Croxall (United Kingdom)
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Quantifying habitat use in satellite-tracked pelagic seabirds: application of kernel estimation to albatross locations
-rearing period of the breeding cycle at South Georgia. At this time the activity range of these two ... Abstract: We develop a new approach to quantifying habitat use within the foraging ranges of ... satellite-tracked seabirds. We applied kernel estimation techniques to 167 days (3738 locations) of data ... contrast, kernel estimation reveals that the main foraging areas of these two sympatric, congeneric species ...
Meeting Document : WG-EMM-01/67 : Author(s): A.G. Wood (United Kingdom), B. Naef-Daenzer (Switzerland), P.A. Prince and J.P. Croxall (United Kingdom)
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Descriptive analysis of acoustic data collected during the 2003 exploratory fishery for toothfish in the Ross Sea
of the spreading of the acoustic beam, the acoustic deadzone at these depths is relatively large ... Abstract: This report presents results from a pilot study to determine the feasibility of ... . These analyses focused on the subset of acoustic data collected when setting longlines so acoustic ... recordings could be compared with longline catches. Data quality was generally good. Of the 84 line ...
Meeting Document : WG-FSA-03/28 : Author(s): R.L. O’Driscoll and G.J. Macaulay (New Zealand)
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An assessment of the mackerel icefish (Champsocephalus gunnari) off Heard Island
(Champsocephalus gunnari) populations at Heard Island are developed from the results of four scientific surveys ... survey conducted at the end of the 1997 fishing season would allow for a catch limit on the Heard Plateau ... Paper Title: An assessment of the mackerel icefish (Champsocephalus gunnari) off Heard Island ... Abstract / Description: Assessments of the abundance and potential yield of the mackerel icefish ... and potential yield of the mackerel icefish (Clzanzpsocephalus guiznari) populations at Heard Island ... tonnes for Sliell Bank. An assessment based on the results of a survey conducted at the end of the 1997 ... to the numbers at age 2, using a natural mortality coefficient (M) of 0.4 (yr-l) (this is the mid ... , with a range of about two orders of magnitude. At South Georgia and Kerguelen it has been found that ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 79–101 : Author(s): de la Mare, W.K., R. Williams and A.J. Constable
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On commercial significance of krill aggregations
with biomass density of at least 100 g/m2. This threshold value of krill commercial biomass ... estimated at 24 g/m2 (Boyd, 2001). As is evident from comparison of above density values, the fleet and ... of acoustic investigation obtained in the Soviet trawler operation areas in Subareas 48.1-48.4 were ... numbering 22000 hauls for the period of 1986-1990 and those from Ukrainian trawlers for the period of 2001 ...
Meeting Document : WG-EMM-03/31 : Author(s): S.M. Kasatkina (Russia)
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e-cc-xiii-a4.pdf
... to the Commission in respect of the annual meetings of the Commission and Scientific Committee at ... • the Secretariat be directed to prepare, for the consideration of SCAF at the 1995 meeting a set of ... of high priority at the next meeting. 15. To this end the Committee encouraged all Members to ... work towards agreement on a new formula at the next session of the Commission. CCAMLR FLAG 16
application/pdf attached to:SCAF-94Meeting Report : SCAF-94
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Modelling Movement of Antarctic Krill (MMAK): the importance of retention, dispersal and behaviour for krill distribution
at scales relevant to the fishery and predators. This paper reports the initiation of a project that ... will use numerical ocean-sea ice models at differing resolutions to improve current understanding of ... Abstract: Effective management of the Antarctic krill (Euphausia superba, hereafter krill ... ) fishery requires an understanding of the controls on the distribution and abundance of krill ...
Meeting Document : WG-EMM-17/31 : Author(s): S. Thorpe, E. Young and E. Murphy
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Summary of data collected by Japan and South Africa in Subarea 48.6 between 2013 and 2015, and other statistics available for assessment of Dissostichus spp. in Subarea 48.6.
undertaking the research returned to the study area over the winter. WG-SAM-15 requested that a summary ... the research returned to the study area over the winter. WG-SAM-15 requested that a summary of the data ...
Meeting Document : WG-FSA-15/66 : Author(s): R.W. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)