Resultados de la búsqueda
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An overview of tagging skates (Rajiformes) and CCAMLR skate tagging data
tag loss and tag shedding rates in fish (with emphasis on elasmobranchs), a summary of CEFAS tagging ... Abstract: Tagging studies of skates and rays worldwide provide valuable information to help ... better understand a wide range of metrics including movements and migrations, stock units, growth rates ... potentially valuable data source to better understand this group of fish. Despite tagging programmes being ...
Meeting Document : WG-SAM-13/25 Rev. 1 : Autor(es): S.R. McCully, D. Goldsmith, G. Burt, R. Scott and J.R. Ellis (United Kingdom)
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An overview of tagging skates (Rajiformes) and CCAMLR skate tagging data
tag loss and tag shedding rates in fish (with emphasis on elasmobranchs), a summary of CEFAS tagging ... Abstract: Tagging studies of skates and rays worldwide provide valuable information to help ... better understand a wide range of metrics including movements and migrations, stock units, growth rates ... potentially valuable data source to better understand this group of fish. Despite tagging programmes being ...
Meeting Document : WG-FSA-13/33 : Autor(es): S.R. McCully, D. Goldsmith, G. Burt, R. Scott and J.R. Ellis (United Kingdom)
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Poor breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 season
island. Evidence from analyses of foraging location, foraging trip duration and diet led to the ... Abstract: This paper describes the diet and foraging behaviour of Ad6lie penguins at B6chervaise ... Island during 1998-99, a season of high chick mortality. One thousand nests perished in the three weeks ... following first hatch, when the chicks were very small. A total of 802 chicks reached crèche age from 1880 ...
Meeting Document : WG-EMM-99/25 : Autor(es): L. Irvine, J.R. Clarke and K.R. Kerry (Australia)
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Satellite tracking of black-browed and light-mantled sooty albatrosses from Heard Island and potential interactions with fisheries
over submarine canyons on Gunneri Ridge, north east of the island. There was considerable spatial ... a further 5% went beyond either EEZ into the high seas north and east of Heard Island. In contrast ... Abstract: The purpose of this document is to inform CCAMLR of the results of a satellite tracking ... ). This was the first time the movements of either species from the island had been studied. Ten black ...
Meeting Document : WG-FSA-05/14 : Autor(es): K. Lawton, R. Kirkwood and G. Robertson (Australia)
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Foraging response of Antarctic fur seals to changes in the marine environment
Abstract: This study examined the relative contribution of environmental variation and the ... seasonal demands of pup rearing on the foraging behaviour of female Antarctic fur seals Arctocephalus ... recorders measured the diving behaviour of 72 individuals during a total of 385 foraging trips totalling ... 1964 d at sea. The frequencies of krill, fish and squid in the diet were estimated from prey items ...
Meeting Document : WG-EMM-99/35 : Autor(es): D.J. McCafferty, I.L. Boyd, T.R. Walker and R.I. Taylor (United Kingdom)
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An assessment of temporal variability and interrelationships between CEMP parameters collected on Adélie penguins at Béchervaise Island
Abstract: We examined temporal variability in a series of CEMP parameters collected over the ... the correlation of each parameter with breeding success. Breeding success was measured in terms of 1 ... ) the absolute number of chicks on the island which fully crèche and 2) the number of chicks crèched per ... nest with eggs. We found a low degree of correlation between incubating and brooding nest counts which ...
Meeting Document : WG-EMM-02/46 : Autor(es): L.M. Emmerson, J. Clarke, K. Kerry and C. Southwell (Australia)
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Comparisons in prey distribution between inshore and offshore foraging areas of chinstrap penguins and Antarctic fur seals at Seal Island
foraging trip such as Antarctic fur seals (Arctocephalus gazella) and overnight foraging chinstrap penguins ... ; their ventral light organs may become easier target for predators at night. Thus, aggregation pattern of ... krill, body size/maturity stage of krill and availability of myctophid fish may make the slope/offshore ... region favorable foraging areas in spite of its lower krill density. Author(s): Ichii, T., Bengtson, J.L ...
Meeting Document : WG-EMM-96/49 : Autor(es): Ichii, T., Bengtson, J.L., Boveng, P., Cameron, M.F., Naganobu, M., Meyer, W.R., Hiruki, L.M., Takao, T., Jansen, J.K., Kawaguchi, S.
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Environmental variability and the behavioural dynamics of Antarctic fur seals in the South Atlantic
climate variation. Fur seal foraging trip duration was transformed into a normally distributed index of ... Abstract: Variability in the reproductive performance of marine predators may be a result of ... physical forcing by large-scale oceanographic variability. Time lags, remoteness from the epicentre of a ... physical process and the simultaneous action of multiple physical processes often mean that it is difficult ...
Meeting Document : WS-AREA 48-98/16 : Autor(es): I.L. Boyd (UK)
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Variation in reproductive performance of seabirds and seals at South Georgia, 1976–1986 and its implications for southern ocean monitoring studies
success, foraging trip duration and offspring growth rate. 1977-78 and 1983-84 were summers of ... Abstract: Aspects of the reproductive performance of Black-browed, Grey-headed and Wandering ... Orkney Islands) are summarised and reviewed. Breeding success of the Wandering Albatross, which breeds in ... proportion of their diet, have shown major fluctuations in some or all of: breeding population size, breeding ...
Meeting Document : SC-CAMLR-VI/BG/15 : Autor(es): J.P. Croxall, T.S. McCann, P.A. Prince and P. Rothery (United Kingdom)
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Variation or reproductive performance of seabirds and seals at South Georgia, 1976–1986 and its implication for Southern Ocean monitoring studies
success, foraging trip duration and offspring growth rate. 1977-78 and 1983-84 were summers of ... Abstract: Aspects of the reproductive performance of Black-browed, Grey-headed and Wandering ... Orkney Islands) are summarised and reviewed. Breeding success of the Wandering Albatross, which breeds in ... proportion of their diet, have shown major fluctuations in some or all of: breeding population size, breeding ...
Meeting Document : WG-CEMP-87/13 : Autor(es): J.P. Croxall, T.S. McCann, P.A. Prince and P. Rothery (United Kingdom)