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Chinstrap penguins alter foraging and diving behaviour in response to krill size
have fluctuated in recent years. We therefore examined the diet of chinstrap penguins at Livingston ... Abstract: Penguins may exhibit plasticity in their diving and foraging behaviors in response to ... changes in prey availability. Chinstrap penguins are dependent predators of Antarctic krill in the Scotia ... Sea region. Both the sizes of krill found in penguin diets and acoustic estimates of krill biomass ...
Meeting Document : WG-EMM-07/11 : Autor(es): A.K. Miller and W.Z. Trivelpiece (USA)
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Trends in population size and breeding success at colonies of macaroni and rockhopper penguins, Marion Island, 1979/80–1995/96
Paper Title: Trends in population size and breeding success at colonies of macaroni and ... penguin colonies investigated decreased in size over the study period, while the other two remained stable ... . The only significant relationship between inter-season trends in the number of pairs breeding at the ... period, while the other remained stable. Trends in the number of pairs breeding at the three rockhopper ... summarised in Cooper and Brown (1990), the count of incubating macaroni penguins was conducted between 20 ... CCAMLR Science, Vol. 4 (1997): 89-103 TRENDS IN ... investigated decreased in size over the study period, while the other two remained stable. The only ... significant relationship between inter-season trends in the number of pairs breeding at the three colonies ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 89–103 : Autor(es): Cooper, J., A.C. Wolfaardt and R.J.M. Crawford
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Location and intensity of the Soviet krill fishery in the Elephant Island area (South Shetland Islands), 1988/89
Paper Title: Location and intensity of the Soviet krill fishery in the Elephant Island area ... from 21 November 1988 to 25 March 1989. Although the total catch of the USSR in this season reached a ... low. In 1988/89 only one standard fishing vessel operated in the area over 40% of the time. The ... highest catch-per-unit-effort was observed in January 1989 (7.7 tonnes per hour of trawling on average ... Elephant Island between 600 -600 30'S and 54°-55°W. In December 1988, krill was targetted in a larger ... the third one located to the west of Elephant Island in the area between 61 °-61 °30'S and 56°-57°W ... the area far from Elephant Island, 59°30'-600 30'S and 53°-54°W (Figure 6f). Early in January 1989 ... of Elephant Island (53°-54°30'S and 59°30' -600 30'W) was the main fishing ground in the first half ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 305–335 : Autor(es): Sushin, V.A. and A.S. Myskov
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Some specific characteristics of Dissostichus eleginoides biology in the vicinity of the Kerguelen Islands (Division 58.5.1)
Abstract: For recent years Dissostichus eleginoids is the main target species of trawling and ... long-line fisheries in the vicinity of the Kerguelen Islands. Results of research made by the author on ... board the fishing vessel "Poltava" in the summer season 1991-1992 were the base for the ... present paper. Regular direct distribution of size groups D. eleginoides in depth range within the fishing ...
Meeting Document : WG-FSA-96/16 : Autor(es): Pshenichnov, L.K.
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Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Bird Island, South Georgia during the 1998 winter and 1998/99 pup-rearing season
here. The number of seals observed entangled in the winter (13) represented an 86 % increase on the ... records started. Two animals (15 %) were entangled in polypropylene straps, down by 50 % on the 1997 ... entangled in the summer (24) was the fourth lowest total recorded, being 84 % more than the 1997/8 summer ... of animals showing severe injuries (30 %) was a contrast to 1997/98 when none was noted ...
Meeting Document : SC-CAMLR-XVIII/BG/05 : Autor(es): Delegation of the United Kingdom
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Soviet krill fishery in 1977–1992, Part 1. Distribution, fishing effort, interannual situation patterns
types of FE distribution in subsequent groups of years: Type I: 1981 and 1982, partly 1979/1980: FE was ... Abstract: The data on Soviet krill fishery in i977-1992 are presented. The fishing effort (FE ... ) developed in 1977-1991 was 50086 fishing days in total. According to the pictures presented FE was ... concentrated in subarea 48.1 in January-April, then moved to 48.3 via 48.2. Type II: 1983, 1984, 1985, and 1986 ...
Meeting Document : WG-EMM-01/57 : Autor(es): F.F. Litvinov, V.A. Sushin, G.A. Chernega and O.A. Berezhinskiy (Russia)
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IDENTIFYING PATTERNS IN DIET OF MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) AT SOUTH GEORGIA USING BOOTSTRAPPED CONFIDENCE INTERVALS OF A DIETARY INDEX
significantly between years and age classes but there was little regional difference in diet. In general diet ... Abstract: Ontogenetic, inter-annual and regional variations in diet were investigated in mackerel ... icefish, Champsocephalus gunnari, in three successive summer seasons around South Georgia. Stomachs from ... sp. and took smaller quantities of E. superba. In a season of poor krill availability (summer of 2003 ...
Meeting Document : WG-FSA-08/29 : Autor(es): C.E. Main, M.A. Collins, R. Mitchell and M. Belchier (UK)
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Diet composition of Champsocephalus gunnari in Subarea 48.3, Dr Eduardo Holmberg survey, February/ March 1994
in common levels, equivalent to those of previous years (e.g. 1985, 1992). However, high proportions ... Abstract: The diet composition of the icefish Champsocephalus gunnari caught in the Subarea 48.3 ... in February/March 1994 was analyzed using the frequency of occurrence (%) method. Krill (Euphausia ... and Shag Rocks; fish were found in the stomachs more frequently than in past seasons around South ...
Meeting Document : WG-FSA-94/27 : Autor(es): E. Barrera-Oro, R. Casaux and A. Roux (Argentina)
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Proposal for the establishment of a marine CCAMLR MPA in the Weddell Sea (Antarctica) – First conceptual outline
Abstract: In recent years, CCAMLR member states undertook substantial efforts to designate marine ... protected areas (MPAs) in the Southern Ocean. While MPA planning for six domains is underway, for three ... domains CCAMLR member states were asked to take the lead in MPA planning. At the CCAMLR meeting in 2012 ... , the Commission welcomed the offer of Germany to take the lead in developing a Weddell Sea MPA for ...
Meeting Document : WG-EMM-13/22 : Autor(es): K. Teschke, B. Dorschel, J. Gutt, S. Hain, H. Hellmer, K. Jerosch, R. Knust, K.-H. Kock, M. Schlüter, V. Siegel and T. Brey (Germany)
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Preliminary results on the distribution and abundance of Antarctic krill (Euphausia superba) in the Weddell Sea, Southern Ocean
; where the first year (2014) of the study logged acoustic data during daytime only whilst surveys in ... krill relative to their predators in the Southern Ocean during annual logistic summer trips and ... later years (2015-2016) logged data all day long. Target sampling was conducted using the Methot ... krill (Euphausia superba) in the Weddell Sea, Southern Ocean Microsoft Word File: asam-18-09.docx ...
Meeting Document : SG-ASAM-18/09 : Autor(es): F.W. Shabangu