Search results
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A comparison between the estimated density of krill from an acoustic survey with that obtained by scientific nets on the same survey
, excluding sites where krill represented less than 90% of the catch. This reduction in variation was thus ... where krill represented less than 90% of the catch. This reduction in variation was thus largely ...
Meeting Document : WG-EMM-97/43 : Author(s): Pauly, T., Higginbottom, I., Hosie, G., de la Mare, W.K., Nicol, S.
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Status of the krill stock around Elephant Island in 1991/92 and 1992/93
concentrations during 1992/93 and 1989/90. Author(s): V. Loeb (USA) and V. Siegel (Germany) Title: Status ... concentrations during 1992/93 and 1989/90. ...
Meeting Document : WG-KRILL-93/08 : Author(s): V. Loeb (USA) and V. Siegel (Germany)
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A conceptual model of Japanese krill fishery
to of the Japanese fishing vessel since the 1989/90 fishing season. Among many reasons for changing fishing grounds ... to of the Japanese fishing vessel since the 1989/90 fishing season. Among many reasons for changing fishing grounds ...
Meeting Document : WG-EMM-05/30 : Author(s): S. Kawaguchi, S. Nicol (Australia), K. Taki and M. Naganobu (Japan)
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A conceptual model of the krill fishery
to of the Japanese fishing vessel since the 1989/90 fishing season. Among many reasons for changing fishing grounds ... to of the Japanese fishing vessel since the 1989/90 fishing season. Among many reasons for changing fishing grounds ...
Meeting Document : WG-EMM-04/51 : Author(s): S. Kawaguchi, S. Nicol (Australia), K. Taki and M. Naganobu (Japan)
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Entanglement of Antarctic fur seals in man-made debris at Bird Island, South Georgia
compared to 30), it was substantially lower than during the 1988/89 and 1989/90 seasons (190 and 156 ... ), it was substantially lower than during the 1988/89 and 1989/90 seasons (190 and 156, respectively). Polypropylene ...
Meeting Document : SC-CAMLR-XI/BG/09 : Author(s): Delegation of United Kingdom
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Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic peninsula region
a rate of Z=0.88 (1989/90) and Z=0.96 (1987/88). Production was estimated and resulted a P/B ratio ... . Krill mortality was calculated by linearized catch curve analysis and resulted a rate of Z=0.88 (1989/90 ...
Meeting Document : WG-KRILL-91/15 : Author(s): Delegation of Germany
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Validation of sink rates of longlines measured by two different methods
and unreliable with bottles. Bottles had a higher failure rate (51 – 68 %) than TDRs (> 90 %), for example ... and unreliable with bottles. Bottles had a higher failure rate (51 – 68 %) than TDRs (> 90 %), for example ...
Meeting Document : WG-FSA-03/62 : Author(s): B. Wienecke and G. Robertson (Australia)
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Bacteria and detritus: Trophic modelling of the Ross Sea
between detrital and bacterial groups, not due to consumption or death are: (1) transfer of bacteria ... labelled “Carcasses” is made up of non-living organic matter from animals that have not been directly ... predated and have not been excreted as a waste product. It hence includes 2 bodies of animals ... ), as well as parts of animals that died due to predation but were not consumed at the time (i.e. “messy ...
Document : Site Section: Publications
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A three-frequency method to determine the abundance and the size of two euphausiid species (Euphausia superba and Euphausia crystallorophias)
to the Ross Sea (1989-90), a two – frequency method for the recognition of E. superba aggregations have been ... applications of the multi-frequency method using data from three expeditions to the Ross Sea (1980-90; 1997-98 ... . In order to solve the above problems, since the first Italian expedition to the Ross Sea (1989-90), a two ... using data from three expeditions to the Ross Sea (1980-90; 1997-98 and 1999-2000), where ...
Meeting Document : WG-EMM-01/63 : Author(s): M. Azzali, J. Kalinowksi, G. Lanciani and I. Leonori (Italy)
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Depth distribution and spawning pattern of Dissostichus eleginoides at South Georgia
of changing mean length at depth with month was detected, suggesting movement of animals both up and down ... to meet at breeding areas defined by slope position (between 800 and 1200 m depth) and not by geographical ... position. Pre-spawning animals appear to be distributed all around the South Georgia and Shag Rocks shelf ... slopes. Spent animals of both sexes appear to move up slope to shallower water, and are concentrated ... of animals both up and down slope at particular times of year. Months with a high mean length at depth ... slope and females move up slope to meet at breeding areas defined by slope position (between 800 ... and 1200 m depth) and not by geographical position. Pre-spawning animals appear to be distributed all ... around the South Georgia and Shag Rocks shelf slopes. Spent animals of both sexes appear to move up ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 19–36 : Author(s): Agnew, D.J., L. Heaps, C. Jones, A. Watson, K. Berkieta and J. Pearce