Search results
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Age-length key for Champsocephalus gunnari from Subarea 48.3; Holmberg survey, February 1995
for age groups one and two. Mean lengths at age reported here for South Georgia are in line with previous ... for age groups one and two. Mean lengths at age reported here for South Georgia are in line with previous ... Abstract: An age-length key was prepared for Champsocephalus gunnari from the Subarea 48.3, based ... ) were scarce. Age groups 1-5 and 2-4 were well represented at South Georgia and Shag Rocks respectively ...
Meeting Document : WG-FSA-95/37 : Author(s): Casaux, R., Marschoff, E., Barrera-Oro, E.
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Congruent, decreasing trends of Gentoo Penguins and Crozet Shags at sub-Antarctic Marion Island suggest food limitation through common environmental forcing
] melanogenis breeding annually at Marion Island, one of South Africa’s Prince Edward Islands in the south-west ... breeding annually at Marion Island, one of South Africa’s Prince Edward Islands in the south-west ... Indian Ocean, were strongly correlated over 19 split-years from 1994/95–2012/13. Both species decreased ... Indian Ocean, were strongly correlated over 19 split-years from 1994/95–2012/13. Both species ...
Meeting Document : WG-EMM-14/P09 Rev. 1 : Author(s): R.J.M. Crawford, B.M. Dyer, L. Upfold and A.B. Makhado
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The diet of black-browed albatrosses at the Diego Ramirez Islands, Chile
by sampling chick stomach contents during January and February of each year. Reconstituted meal mass ... was similar throughout the study, with diet being dominated by fish in all three years. Overall, the main ... -3.7% by mass), which are both fisheries-related species, and the squid Martialia hyadesi (8-20 ... stomach contents during January and February of each year. Reconstituted meal mass was similar throughout ...
Meeting Document : WG-FSA-03/9 : Author(s): J. Arata (Chile) and J.C. Xavier (United Kingdom)
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RECENT TRENDS IN NUMBERS OF FOUR SPECIES OF PENGUINS AT THE PRINCE EDWARD ISLANDS
penguins were incubating eggs at Marion Island, the larger of the two islands in the group, and 2000 pairs ... and southern rockhopper penguins at Marion Island decreased by about 30% and 70%, respectively. In 2008/09 ... , some 290 000 pairs of macaroni penguins bred at this island, mostly in two large colonies where ... were incubating eggs at Marion Island, the larger of the two islands in the group, and 2000 pairs ...
Meeting Document : WG-EMM-10/P1 : Author(s): R.J.M. Crawford, P.A. Whittington, L. Upfold, P.G. Ryan, S.L. Petersen, B.M. Dyer and J. Cooper
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Recent trends in numbers of four species of penguins at the Prince Edward Islands
penguins were incubating eggs at Marion Island, the larger of the two islands in the group, and 2000 pairs ... and southern rockhopper penguins at Marion Island decreased by about 30% and 70%, respectively. In 2008/09 ... , some 290 000 pairs of macaroni penguins bred at this island, mostly in two large colonies where ... were incubating eggs at Marion Island, the larger of the two islands in the group, and 2000 pairs ...
Meeting Document : WG-EMM-10/P01 : Author(s): R.J.M. Crawford, P.A. Whittington, L. Upfold, P.G. Ryan, S.L. Petersen, B.M. Dyer and J. Cooper
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Status and trends of Adelie penguin populations in the Ross Sea region
with earlier counts. Populations at nearly all rookeries have increased in size over the last 10–20 years ... . Populations at nearly all rookeries have increased in size over the last 10–20 years. Possible reasons ...
Meeting Document : WG-CEMP-92/23 : Author(s): R.H. Taylor, P.R. Wilson and B.W. Thomas (New Zealand)
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The annual random stratified trawl survey to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari in the Heard Island region (Division 58.5.2) for 2012
and about one and a half times higher than the long-term average. Champsocephalus gunnari catches were twice ... and about one and a half times higher than the long-term average. Champsocephalus gunnari catches were twice ... generally high in comparison with previous years, with the total fish catch being twice as high as the long ... and corals. Catches of individual taxa were generally much lower than in previous years, except for coral ...
Meeting Document : WG-FSA-12/25 : Author(s): G.B. Nowara and T. Lamb (Australia)
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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 ... slope at particular times of year. Months with a high mean length at depth are May and August ... 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 ... but not for females. Depth is an important factor for animals of maturity stage 1; as one would expect ... there has been no suggestion of a massive concentration of effort in one small area. However, the fishery ... vessel, one observing the first cruise and the other observing the second (and third) cruises ... of the population in one of various maturity stages (Table 3). Month appears to be an important factor for males ...
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
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An assessment of toothfish in Subarea 48.3 using CASAL
is 4910 t for the baseline two-fleet assessment, while for the one-fleet assessment, the estimated long ... is 4910 t for the baseline two-fleet assessment, while for the one-fleet assessment, the estimated long ... was selected to best represent the fishery and the available data sources. This incorporated two fleets ... , as it is possible that overall trends in the CPUE series were not fully taken into account in the two fleet ...
Meeting Document : WG-FSA-05/16 : Author(s): R.M. Hillary, G.P. Kirkwood and D.J. Agnew (United Kingdom)
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Species profile of mackerel icefish (Champsocephalus gunnari)
’s with annual catches of a few thousand tonnes in each of the two areas. Aspect of the biology and exploitation ... is scattered over various CCAMLR working papers of the last 15 years. The species profile collates existing ... catches of a few thousand tonnes in each of the two areas. Aspect of the biology and exploitation ... is scattered over various CCAMLR working papers of the last 15 years. The species profile collates existing ...
Meeting Document : WG-FSA-07/12 : Author(s): K.-H. Kock (Germany) and I. Everson (UK)