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Physical data used in space averaging: Trophic modelling of the Ross Sea
in the Ross Sea of 50 years. Transport of water across the boundary of the study region may be ... shallower than 500 m, 41% of the region has depths 500–1000 m, and 30% is deeper than 1000 m bathymetry ... variability in these timings is 20 days, and that the uncertainty in ice thickness is about ±25%. Hence, we ... still remain for study, but maybe not for long. Marine Ornithology 30(2): 55-62. Anderson, J.B. 2000 ...
Document : Site Section: Publications
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Assessments of the stocks of Notothenia rossii marmorata and Champsocephalus gunnari in the South Georgia area
the later years, it is reasonable to assume a common age-specific catchability function for both ... biomass. The data indicate a strong dependence of gross recruitment on stock size, since a 20-fold ... this. The corresponding expected recovery times to 50% of initial biomass are approximately 20 and ... 10 years respectively. Only continued monitoring of the stock biomass and recruitment rates while ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 1-21 : Autor(es): Cooke, J.G.
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Report on assessment and avoidance of incidental mortality in the Convention Area 1998/99
and related activities undertaken by Australia in the Convention Area during the year to 30 June 1999 ...
Meeting Document : CCAMLR-XVIII/BG/31 : Autor(es): Delegation of Australia
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Report on the assessment and avoidance of incidental mortality in the Convention Area 1997/98
related activities undertaken by Australia in the Convention Area during the year to 30 June 1998. Author ...
Meeting Document : CCAMLR-XVII/BG/11 : Autor(es): Delegation of Australia
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Distribution and abundance of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean
in recent years due to the increase in longline fisheries for toothfish (Dissostichus spp.) in the ... standard haul duration was 30 minutes fishing time. However, owing to the rough nature of the ground ... Conformal Scale 1 : 20 000 000 Standard Parallels: 52-33' and 53"33' Central Meridian 74"E 0 500 l000 km ... females. Vopr. Ikhtiol., 20: 954-956. MacPherson, E. 1979. Ecological overlap between macrourids in ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 171–178 : Autor(es): van Wijk, E.M., A.J. Constable, R. Williams and T. Lamb
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Modifications to the Generalised Yield Model in 2004, version GYM501E.EXE
error does not affect the assessments undertaken in recent years. This paper presents the nature of the ... recruitment age and greater. This calculation needed to be made general to allow for many years younger than ... fish at the nominated ‘recruitment age’ (age 4 for toothfish) in each year. The first year in the time ... . This was coded specifically for the case of surveys observing fish of ages one year younger than the ...
Meeting Document : WG-FSA-04/91 : Autor(es): A.J. Constable (Australia)
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Interannual variability of polynya extent in the Antarctic Ocean
are trending like a pulse wave. In the whole Antarctic Ocean, peak years of polynyas extent are in the ... 1981/82 (from July 1981 to June 1982), 1991/92 and 1995/96. In the Antarctic Peninsula area, peak years ...
Meeting Document : WG-EMM-01/34 : Autor(es): M. Naganobu and K. Segawa (Japan)
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Sea surface temerature anomalies near South Georgia: relationships with the South Atlantic and the Pacific El Niño regions
anomalies, with periodicity evident at a lag period of 4 years. To the north of the island significant ... almost 3 years, and with the West Pacific showing the strongest correlations. These global ... autocorrelation was also evident at a lag period of 1 year; though this was restricted to an area that ...
Meeting Document : WS-AREA 48-98/10 : Autor(es): P. Trathan and E.J. Murphy (UK)
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Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in trammel net catches at Potter Cove, South Shetland Islands
has continued in Potter Cove from 1991 to 1998, covering a continuous sampling period of 15 years and ... . rossii and G. gibberifrons in the last 15 years is the effect of the offshore commercial fishery in the ...
Meeting Document : WG-FSA-98/57 : Autor(es): E. Barrera-Oro, E.R. Marschoff and R.J. Casaux (Argentina)
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Management of C. gunnari in Subarea 48.3
increased consumption of icefish by Antarctic fur seals in years of poor krill availability. Thus natural ... mortality of icefish may, in some years, increase by a large factor (assumed here to be 4) declining to ... fishing, under conditions where M is assumed to be highly variable from year to year. Author(s): Kirkwood ...
Meeting Document : WG-FSA-97/38 : Autor(es): Kirkwood, G.P., Parkes, G.B., Everson, I., Agnew, D.J.