Search results
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Towards a new method for age determination in Antarctic krill, and evidence that krill shrink under natural conditions
-length and the crystalline cone number of the compound eye was examined. Samples collected in the late ... body-length offers a method for detecting the effect of shrinking in natural populations of krill. On ... maintained in conditions of low food availability. Recent studies have also demonstrated that E. superba ... individuals may be shrinking in the field during winter. If krill shrink during the winter, conclusions ...
Meeting Document : WG-Krill-94/17 : Author(s): W. de la Mare (Australia)
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Short note: time series of Drake Passage Oscillation Index (DPOI) from 1952 to 1988
appropriate data. The total number of monthly data used from 1952 to 1988 was 420. The mean, median, and mode ... to 1988. A time series of 3-month running mean suggested considerable seasonal variability of climate ... . A time series of 12-month running mean indicated various yearly changes without seasonal variability ... appropriate data. The total number of monthly data used from 1952 to 1988 was 420. The mean, median, and mode ...
Meeting Document : WG-EMM-02/44 : Author(s): M. Naganobu and K. Kutsuwada (Japan)
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Marine debris, entanglements and hydrocarbon soiling at Bird Island and King Edward Point, South Georgia, Signy Island, South Orkneys and Goudier Island, Antarctic Peninsula, 2010/11
at Bird Island and Signy Island during 2010/11 were below the long-term mean for beached debris in summer ... but above the mean at Bird Island during winter. Marine mammal entanglements were below the long-term mean ... in summer and winter at Bird Island but slightly above the mean at Signy Island. At King Edward Point ... associated with seabird colonies was below the mean level in wandering albatross and giant petrels, but above ...
Meeting Document : SC-CAMLR-XXX/BG/05 : Author(s): Delegation of the United Kingdom
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REPORT OF SANCTIONS APPLIED BY SPAIN
San 33, neither of them flagged to Spain – which were included in the CCAMLR list of illegal vessels ... did not provide proof or evidence in support of this action. However, as a result of the inspection of ... fishing activities in the CCAMLR Area with the above-mentioned vessels. Author(s): Delegation of Spain ... the action taken by Spanish Authorities in relation to the vessels Trosky (formerly Paloma V), Chilbo ...
Meeting Document : CCAMLR-XXIX/BG/37 : Author(s): Delegation of Spain
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Annual report of global toothfish trade data
the forms with mean unit values of 22.30 US$/kg for imports and 18.85 US$/kg for exports. The data ... with mean unit values of 22.30 US$/kg for imports and 18.85 US$/kg for exports. The data identified ...
Meeting Document : CCAMLR-XXXVII/BG/08 Rev. 1 : Author(s): CCAMLR Secretariat
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FURTHER DEVELOPMENTS OF A SIMULATION MODEL, ‘PATCH’, FOR EVALUATING MANAGEMENT STRATEGIES TO CONSERVE BENTHIC HABITATS (VULNERABLE MARINE ECOSYSTEMS) WHICH ARE POTENTIALLY VULNERABLE TO IMPACTS FROM BOTTOM FISHERIES
”, a categorisation fraught with difficulty. Instead, it means that habitats for which this would not easily be met ... to conserve VMEs. Author(s): A.J. Constable (Australia) Title: FURTHER DEVELOPMENTS OF A SIMULATION MODEL ... , ‘PATCH’, FOR EVALUATING MANAGEMENT STRATEGIES TO CONSERVE BENTHIC HABITATS (VULNERABLE MARINE ECOSYSTEMS ... marine ecosystems”, a categorisation fraught with difficulty. Instead, it means that habitats ...
Meeting Document : WG-FSA-09/42 : Author(s): A.J. Constable (Australia)
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Beach litter survey Signy Island, South Orkney Islands, 1993/94
in 1990/91, 1991/92 and 1992/93 showed a drop in both the weight of debris and the total number of ... kg in 1993/94 compared to 4.45 kg in 1992/93, and the number of items recovered increased to 118 ... still less than the amounts recorded in 1990/91. The reasons for the increase in the incidence of beach ... debris at Signy Island are unknown. There has been no increase in the number of research or tourist ...
Meeting Document : CCAMLR-XIII/BG/11 : Author(s): Delegation of United Kingdom
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Do Adélie penguin fledgling weights provide an index of prey availability?
crèche stages of the breeding season. In some seasons, there appeared to be constant levels of resources ... associated truncation of the distribution in poor seasons for seabirds with prolonged chick-rearing periods ... the demographic consequences of variable fledgling weights in terms of subsequent chick survival for ... as strong for the crèche foraging trips later in the season. Fledgling weights which are measured at ...
Meeting Document : WG-EMM-05/21 : Author(s): L. Emmerson, C. Southwell and J. Clarke (Australia)
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Comparisons in diet between diurnal and overnight foraging chinstrap penguins at Seal Island
respectively. The highest intake of fish was observed in 1993/94 when krill abundance was very low. Calorific ... ) and an overnight forager (5732 kJ) based on available input parameters. A comparison of krill in the ... , considered that both foragers tend to take larger krill of the least capable of avoiding capture in their ... their diets but fish constituted 0-1 % and 14-45 % of the diet of diurnal and overnight foragers ...
Meeting Document : WG-EMM-96/55 : Author(s): Hayashi, T., Ichii, T., Cameron, M.F., Miura, A., Jansen, J.K., Bengtson, J.L., Boveng, P.
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Krill biomass and distribution variability in Subarea 48.3 in June 1991
transport by the current. Besides, in the upper layer of 0-50 m the swarm number was a almost constant, and ... krill redistribution due to transport and diurnal migrations occurred in the layer of 5-150 m. Estimated ... Abstract: Temporal and spatial variability of krill distribution features was investigated at the ... survey. Horizontal extension of swarms amounted to 120 m, however about 70% of swarms were of 30 m in ...
Meeting Document : WG-CEMP-92/35 : Author(s): S.M. Kasatkina, E.I. Timokhin, P.P. Fedulov and K.E. Shulgovskiy (Russian Federation)