Search results
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CCAMLR Bioregionalisation Workshop (Brussels, Belgium 13 to 17 August 2007) Update of benthic bioregionalisation of the Southern Ocean
the process and results of the primary benthic regionalisation completed at the Workshop and ... incorporated at the Workshop. The process and results of evaluating the physical regionalisation with ... Abstract: At the CCAMLR Bioregionalisation Workshop, 13-17 August 2007, it was agreed that ... physical variables could be used to produce primary physical regionalisations of the Southern Ocean and ...
Meeting Document : SC-CAMLR-XXVI/BG/28 : Author(s): Co-conveners, CCAMLR Bioregionalisation Workshop
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Assessment of toothfish in Subarea 48.3, 2006
Abstract: 1. As requested by SAM-2006, we provide a reference assessment for toothfish in Subarea ... , as requested by the Joint Assessment Group. 2. Also as requested by SAM-2006, we provide a review of CPUE ... 1. As requested by SAM-2006, we provide a reference assessment for toothfish in Subarea 48.3. We ... additionally provide a sensitivity run which examines uncertainty in IUU catches from 1995, as requested ...
Meeting Document : WG-FSA-06/53 : Author(s): D.J. Agnew, R. Hillary, M. Belchier, J. Clark and J. Pearce (United Kingdom)
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On the problem of icefish (Champsocephalus gunnari) vertical migration on the South Georgia shelf
the maximum catches were available at the middle of the light hours of the day. At twilight the fish ... Abstract: The results are presented of studying icefish vertical migration based on the data of R ... /V cruises during the seasons of 1982-83, 1983-84 and 1986-87, when this species was highly abundant ... on the South Georgia shelf. It is revealed that at day time the fish distributes near the bottom and ...
Meeting Document : WG-FSA-91/06 : Author(s): J.A. Frolkina and V.I. Shlibanov (USSR)
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WG-EMM-03
Population dynamics of the wandering albatross Diomedea exulans at Marion Island: long-line fishing and ... . Tshingana and A.C. Wolfaardt (South Africa) WG-EMM-03/18 Population numbers of fur seals at Prince Edward ... strategies of chinstrap penguins at Signy Island, Antarctica: importance of benthic feeding on Antarctic ... sensors C. Southwell and L. Meyer (Australia) WG-EMM-03/52 Power analyses of CEMP indices for penguins at ...
Meeting
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Tooth growth in male Antarctic fur seals (Arctocephalus gazella) from South Georgia: an indicator of long-term growth history
died of natural causes at Bird Island. South Georgia, was quantified from measurements of annual layers ... in longitudinal sections of teeth. Mean age at death was 7∙69 ± 0∙07 years and this showed a small ... ) and increased with age at death. Changes in the growth pattern of teeth suggested that fur seals which ... Abstract: Growth of upper canine teeth of male Antarctic fur seals (Arctocephalus gazella) which ...
Meeting Document : WG-CEMP-93/11 : Author(s): I.L. Boyd and J.P. Roberts (United Kingdom)
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Abundance and trends in the breeding population of Adélie penguins (Pygoscelis adeliae) in the western Ross Sea
in the number of Adélie penguin breeding pairs at colonies in the western Ross Sea. High angle ... , 2001-2010. In contrast, a single declining trend line best represented the number of breeding pairs at ... of change versus loge-transformed colony size all showed a significant negative correlation at lag 1 ... Ecosystem Monitoring Program (CEMP) to detect effects of anthropogenic activities (e.g. commercial fishing ...
Meeting Document : WG-EMM-13/30 : Author(s): P. O’B. Lyver, M. Barron, K.J. Barton, S. Gordon (New Zealand), D. Ainley, A. Pollard (USA), P.R. Wilson and M.H. Pinkerton (New Zealand)
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Spatio–temporal dynamics in maturation and spawning of Patagonian toothfish Dissostichus eleginoides on the subantarctic Kerguelen Plateau
histological analyses and calibration of macroscopic staging criteria. Dissostichus eleginoides at HIMI spawn ... along the west and south of the plateau around HIMI at depths of 1500–1900m. Comparison between ... both sexes. However, the magnitude of this temporal variation in age-at-maturity varied between gear ... Abstract: This study investigated maturation and spawning of Patagonian toothfish Dissostichus ...
Meeting Document : WG-FSA-17/P04 : Author(s): P. Yates, P. Ziegler, D. Welsford, J. McIvor, B. Farmer and E.Woodcock
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Research plan for the exploratory fisheries for Dissostichus spp. in Division 58.4.1 in 2014/15
the latest CCAMLR C2 and observer data toward the development of research plan for the 2014/15 ... exploratory fishery of Dissostichus mawsoni in Subarea 58.4.1. The stock sizes for five research blocks ... the CPUE method recommended at the last WG-FSA meeting. The stock size using the Petersen estimator ... was generally different from that using the CPUE method in each block. As we proposed at the WG-FSA ...
Meeting Document : WG-SAM-14/02 : Author(s): Delegation of Japan
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Analysis of dietary overlap in Antarctic fish (Notothenioidei) from the South Shetland Islands: no evidence of food competition
fish assemblages at the South Shetland Island area. Using tyler’s (1972) method, the reoccurrence of ... main and secondary prey among fish predators was 33% in summer and 37% over the year at Potter Cove; 25 ... % in summer and 7% in winter at Admiralty Bay; and 20% in autumn/winter around Elephant Island ... . Likewise, using the “S” index of Linton et al. (1981) the diet similarity between most species pairs is ...
Meeting Document : WG-FSA-03/13 : Author(s): E. Barrera-Oro (Argentina)
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Population structure of icefish (Champsocephalus gunnari) in the South Georgia area (Antarctic)
South Georgia and at Shag Rocks are different. The length-age structure of C.gunnari groupings ... inhabiting the areas at Shag Rocks and South Georgia is characterized with the lack of fish below 11 cm in ... assume the common origin of the western and Shag Rock groupings. C.gunnari of two-three years old (at the ... length of 22-23 cm) migrate from the South Georgia area and remain at Shag Rocks. Icefish reaching 40-43 ...
Meeting Document : WG-FSA-04/40 : Author(s): Zh.A. Frolkina and I.A. Trunov (Russia)