Resultados de la búsqueda
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Foraging response of Antarctic fur seals to changes in the marine environment
recorders measured the diving behaviour of 72 individuals during a total of 385 foraging trips totalling ... contained in scats. In 1996, a year of high krill abundance, females made shorter foraging trips, fewer ... . In 1994 and 1995 deeper and longer-duration daytime dives were associated with a higher proportion of ...
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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Susceptibility to oxidative stress in different species of Antarctic birds: preliminary results
capacity is exceeded (i.e. as a consequence of enhanced intracellular formation of ROS) a pathological ... oxyradicals, has been recently standardized to provide a quantifiable value of biological resistance to ...
Meeting Document : WG-EMM-99/59 : Autor(es): S. Corsolini, F. Regoli, S. Olmastroni, M. Nigro and S. Focardi (Italy)
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ANALYSIS OF KRILL OBSERVER COVERAGE IN SUBAREA 48.3
length and larval fish bycatch were analysed. In Subarea 48.3, a partial coverage sampling programme has ... one season, and have been present on board for about 30% of the fishing season. They have achieved a ... rate of sampling equivalent to 18% of total hauls taken in a season being sampled for krill and 11% for ...
Meeting Document : WG-EMM-09/25 : Autor(es): D.J. Agnew, P. Grove, T. Peatman, R. Burns and C. Edwards (United Kingdom)
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Trends in entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at South Georgia
Abstract: A study conducted at South Georgia in 1988/1989 indicated that several thousand ... of recording entangled fur seals confirms that entanglement is a persistent problem, although its ... bands and the fact that all such bands washed ashore over the last 2 years have been cut, does suggest a ...
Meeting Document : SC-CAMLR-XV/BG/03 : Autor(es): Delegation of the United Kingdom
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ENTANGLEMENT OF ANTARCTIC FUR SEALS ARCTOCEPHALUS GAZELLA IN MAN-MADE DEBRIS AT BIRD ISLAND, SOUTH GEORGIA DURING THE 2007 WINTER AND 2007/08 BREEDING SEASON
March 2008 a total of 36 entangled seals were observed. Sixteen and 20 entanglements were observed in ... the winter period showed a decrease in the number of entanglements compared to the high levels during ... summer period showed a small rise in the number of entanglements compared with the previous season, but ...
Meeting Document : WG-FSA-08/27 : Autor(es): E.W.J. Edwards (UK)
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Distribution and abundance of krill in the vicinity of Elephant Island in the 1992 austral summer
last surveys covered a 105 by 105 n.mi. study area centered on Elephant Island; the second and third ... surveys covered a 60 by 35 n.mi. area immediately north of Elephant Island. During the first survey, krill ... were distributed in a wide band extending along the north side of Elephant Island and wrapping around ...
Meeting Document : WG-CEMP-92/15 : Autor(es): R.P. Hewitt and D.A. Demer (USA)
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The diet of Antarctic fur seals Arctocephalus gazella during the breeding season at Heard Island
supported on a local diet of fish. Whether this population increase can be sustained on a diet of fish is ... . gunnari) is of probable commercial importance and therefore any plans for the establishment of a fishery ...
Meeting Document : SC-CAMLR-VIII/BG/53 : Autor(es): Delegation of Australia
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Age and growth in length of Micromesistius australis, Norman, 1937 (Pisces, Gadidae), in the southern zone of the Argentine Sea
paraffin inclusion and cutting technique. A distribution of length frequencies for each sex was made. A ... curves were made up; one for males and the other for females. A linear regression was made and the ...
Meeting Document : SC-CAMLR-V/BG/31 : Autor(es): Delegation of Argentina
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Summer survey of fur seals at Prince Edward Island, southern Indian Ocean
gazella and Subantarctic fur seals A. tropicalis were determined at Prince Edward Island during 16–20 ... December 2008. This repeats a survey conducted in December 2001 and extends the area surveyed to include ... remained free of Subantarctic fur seals and had expanded at a mean intrinsic rate of natural increase of ...
Meeting Document : WG-EMM-10/P15 : Autor(es): M.N. Bester, P.G. Ryan and J. Visagie
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Preliminary reports on abundance and biological information on toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in the 2009/10 season
Abstract: A survey was conducted in order to collect information for the stock status and various ... biological information on toothfish in Division 58.4.4a & b (Ob Lena Bank) by using a commercial bottom ... the 2007/08 season. D. eleginoides caught showed a broad polymodal composition for each SSRU, but the ...
Meeting Document : WG-SAM-10/14 : Autor(es): K. Taki, M. Kiyota and T. Ichii (Japan)