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Trends in bird and seal populations as indicators of a system shift in the Southern Ocean
components is poorly understood because of the difficulty of obtaining long-term data sets on marine ... in mid 1980s, being particularly important in the in the sub-Antarctic sector. At the same time with ... a time lag of 2–9 years with temperatures, the population size of most seabirds and seals monitored ... . These changes, together with the indications of a simultaneous decrease in secondary production in sub ...
Meeting Document : WG-EMM-03/53 : Автор(ы): H. Weimerskirch, P. Inchausti, C. Guinet and C. Barbraud (France)
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Beach debris survey – Main Bay, Bird Island, South Georgia, 2004/05
environment and marine vessels working in this region should therefore continue to make efforts to comply with ... Abstract: During the fifteenth year of standardised beach surveys of man-made debris at Bird ... than the previous recording period with only 23% of the total number of debris items being collected in ... stable with 4.1135kg collected this year, whilst 5.3957 kg was gathered in 2003/04. For the second ...
Meeting Document : SC-CAMLR-XXV/BG/12 : Автор(ы): Delegation of the United Kingdom
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Beach debris survey – Main Bay, Bird Island, South Georgia 2000/01
Abstract: During the eleventh year of standardised beach surveys of man-made debris at Bird ... the lowest since reporting began, with only 4 items more collected in the summer than in the winter ... . Nylon line, and associated fishing gear, accounted for the majority of marine debris (51% of the total ... great a proportion of all debris (45%). Marine debris remains a cause for concern, and the survey ...
Meeting Document : SC-CAMLR-XXI/BG/03 : Автор(ы): 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 1992 winter and 1992/93 pup-rearing season
packaging bands. CCAMLR needs to renew its vigilance with respect to marine debris and should consider ... Abstract: Surveys of Antarctic fur seals entangled in man-made marine debris were carried out for ... the third consecutive winter and fifth consecutive summer at Bird Island, South Georgia. In the 1992 ... years and with twice as many seals suffering serious injuries. Almost all animals involved were juvenile ...
Meeting Document : SC-CAMLR-XII/BG/06 : Автор(ы): Delegation of United Kingdom
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Distributions and predator-prey interactions of macaroni penguins, Antarctic fur seals, and Antarctic krill near Bird Island, South Georgia
hill Euphausia superba, near Bird Island, South Georgia, South Atlantic Ocean, in February 1986 ... . Simultaneous surveys of marine birds, Antarctic fur seals and Antarctic krill were conducted along a series of ... between the distributions of predators and their prey with respect to the abundance of krill in the water ... column and marine habitats near the colonies. Antarctic fur seals and macaroni penguins showed positive ...
Meeting Document : WG-CEMP-93/12 : Автор(ы): G.L. Hunt, Jr (USA), D. Heinemann (USA) and I. Everson (United Kingdom)
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Beach debris survey – Main Bay, Bird Island, South Georgia, 2003/04
, all marine vessels operating in the region should continue to make efforts to comply with the correct ... Abstract: During the fourteenth year of standardised beach surveys of man-made debris at Bird ... 1.82 kg since last year to 5.39 kg. The highest proportion of marine debris collected comprised ... pieces), indicating that debris is still being lost by vessels into the marine environment. Therefore ...
Meeting Document : SC-CAMLR-XXIV/BG/15 : Автор(ы): 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 2000 winter and the 2000/01 breeding season
Abstract: Results of the survey of entanglements of Antarctic fur seals at Bird Island, South ... reported here. The number of entanglements showed an increase from recent years, with 20 entanglements ... observations). Of those entanglements where the animal could be sexed, males dominated the observations, with ... the winter months at Bird Island. Plastic packaging bands accounted for the majority of all ...
Meeting Document : SC-CAMLR-XX/BG/03 : Автор(ы): 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 1993 winter and 1993/94 pup-rearing season
Abstract: Surveys of Antarctic fur seals entangled in man-made marine debris were carried out for ... the fourth consecutive winter and sixth consecutive summer at Bird Island, South Georgia. In the 1993 ... in 1990 and 1991. Nearly all animals were juveniles, half with severe injuries and the proportion of ... affected were female (previous highest 40%); combined with the highest proportion of adults and of severe ...
Meeting Document : SC-CAMLR-XIII/BG/03 : Автор(ы): Delegation of United Kingdom
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Two decades of variability in krill predators at Bird Island, South Georgia and their potential as ecosystem indicators
Abstract: The breeding performance of seabirds and seals at Bird Island, South Georgia, in the ... Southern Ocean, has been recorded annually for over two decades as part of a large marine ecosystem ... survival and mass). Krill in the diet was correlated across the three bird species (gentoo, Pygoscelis ... variability associated with krill availability. This was characterised by skewed anomalies with more ...
Meeting Document : WG-EMM-12/16 : Автор(ы): S.L. Hill, C.M. Waluda, H.J. Peat and S. Fielding (United Kingdom)
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Entanglement in man-made debris of Antarctic fur seals at Bird Island, South Georgia
Abstract: Neck collars of man-made marine debris were seen on 208 Antarctic fur seals (and ... removed from 170) during the 142 days of the 1988-89 pup-rearing season at Bird Island, South Georgia ... . This represents at least 0.1% of the total Bird Island population and a minimum of 0.4% of animals in ... problem at South Georgia is similar to that with northern fur seals at the Pribilof Islands, where a ...
Meeting Document : CCAMLR-VIII/BG/05 : Автор(ы): J.P. Croxall, S. Rodwell and I.P. Boyd (United Kingdom)
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