Search results
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The winter distribution of Adélie and chinstrap penguins from two breeding colonies in the South Shetland Islands of Antarctica
penguins from a breeding site in Admiralty Bay, King George Island (62° 10’ S, 58° 30’ W) were instrumented ... a breeding site in Admiralty Bay, King George Island (62° 10’ S, 58° 30’ W) were instrumented with satellite ...
Meeting Document : WG-EMM-02/55 : Author(s): S.G. Trivelpiece and W.Z. Trivelpiece (USA)
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Biological features of the icefish Champsocephalus gunnari from commercial catches in Subarea 48.3 during the period from 8 December 1999 until 31 January 2000
in the western shelf of the South Georgia Island. Icefish 26-40 cm in length, with the average size of 30.3 cm ... , with frequency peaks under 27-29 and 33 cm for fish aged 3 and 4 years. The by-catch of small size ... Georgia Island. Icefish 26-40 cm in length, with the average size of 30.3 cm made up the bulk ... and 33 cm for fish aged 3 and 4 years. The by-catch of small size Champsocephalus gunnari ...
Meeting Document : WG-FSA-00/20 : Author(s): V.L. Senioukov (Russia)
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Physical data used in space averaging: Trophic modelling of the Ross Sea
. Langone et al. (1998) estimate a residence time in the Ross Sea of 50 years. Transport of water across ... , approximately 29% of the study region is shallower than 500 m, 41% of the region has depths 500–1000 m, and 30 ... (MIZ); (3) open pack, first-year sea ice (OP); (4) close pack, first-year sea ice (CP); (5) multi-year ... ; Gloersen & Cavalieri. 1986). Multiyear/landfast ice is taken as the minimum area during a year having ...
Document : Site Section: Publications
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Otolith and body size relationships in the mackerel icefish (Champsocephalus gunnari)
regression model allowing for parallel lines for each year (F4.846 = 30.57, p < 0.001); including extra ... , designated by the year in which the samples were obtained, for the research surveys were: 6 to 26 January ... data, and analyses of covariance were used to assess variability in model fits between years. Note ... to all years (1.79 to 3.75 mm) showed that the loglo-transformed data were best described by a linear ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 117–123 : Author(s): Everson, I., B. Bendall and A. Murray
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Beach debris survey, Main Bay, Bird Island, South Georgia, 2002/03
Abstract: During the thirteenth year of standardised beach surveys of man-made debris at Bird ... recorded in 2001/02 and the lowest levels of beach debris during summer since the first year of recording ... in 1990/91. The distribution of debris between summer and winter was similar to the previous year with 26 ... ) was a decrease of 1 kg since last year. There was a decrease in the proportion of nylon fishing line (braid ...
Meeting Document : SC-CAMLR-XXIII/BG/13 : Author(s): Delegation of the United Kingdom
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Subgroup on Assessment Methods: Report to the Working Group on Fish Stock Assessment 2002
Abstract: Over the last two years, discussions in WG-EMM, WG-FSA and the Scientific Committee ... of the assessments. This paper amalgamates the correspondence from during the year and the papers submitted to WG-FSA ... into assessments 2. a draft plan for assessments at WG-FSA this year, including reporting and archiving ... Over the last two years, discussions in WG-EMM, WG-FSA and the Scientific Committee have ...
Meeting Document : WG-FSA-02/80 : Author(s): A.J. Constable (Subgroup Coordinator)
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Age-structured production model for toothfish at South Georgia
was fitted for all years, the change to the new selectivity function improved the fit to length frequency ... data achieved last year, but the fit was still poor. The fit to the CPUE was also poor ... to the selectivity model this year have led to an ASPM with superior performance. However, this study demonstrates ... for all years, the change to the new selectivity function improved the fit to length frequency data ...
Meeting Document : WG-FSA-SAM-05/18 : Author(s): A. Payne, G.P. Kirkwood, R. Hillary and D.J. Agnew (United Kingdom)
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Diet composition of Champsocephalus gunnari in Subarea 48.3, Dr Eduardo Holmberg survey, February/ March 1994
levels, equivalent to those of previous years (e.g. 1985, 1992). However, high proportions of empty ... stomachs were found at South Georgia and Shag Rocks, close to the values reported for the 1991 year ... to those of previous years (e.g. 1985, 1992). However, high proportions of empty stomachs were found ... at South Georgia and Shag Rocks, close to the values reported for the 1991 year of krill "shortage ...
Meeting Document : WG-FSA-94/27 : Author(s): E. Barrera-Oro, R. Casaux and A. Roux (Argentina)
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Interannual variability of the South Georgia marine ecosystem: biological and physical sources of variation in the abundance of krill
. There is now extensive evidence that there are years when there is a very low abundance of Antarctic krill ... in year class success in parts, or all, of the population across the Scotia Sea, can generate large ... . There is now extensive evidence that there are years when there is a very low abundance of Antarctic krill ... in year class success in parts, or all, of the population across the Scotia Sea, can generate large ...
Meeting Document : WS-AREA 48-98/8 : Author(s): E.J. Murphy, J.L. Watkins, K. Reid, P.N. Trathan, I. Everson, J.P. Croxall, J. Priddle, M.A. Brandon, A.S. Brierley (UK) and E. Hofman (USA)
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IDENTIFYING PATTERNS IN DIET OF MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) AT SOUTH GEORGIA USING BOOTSTRAPPED CONFIDENCE INTERVALS OF A DIETARY INDEX
significantly between years and age classes but there was little regional difference in diet. In general diet ... by a large reduction (> 80%) in the estimated annual biomass of C. gunnari the following year (2005 ... between years and age classes but there was little regional difference in diet. In general diet ... by a large reduction (> 80%) in the estimated annual biomass of C. gunnari the following year (2005 ...
Meeting Document : WG-FSA-08/29 : Author(s): C.E. Main, M.A. Collins, R. Mitchell and M. Belchier (UK)