Résultats de la recherche
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Changes in the fish biomass around Elephant Island (Statistical Subarea 48.1) from 1976 to 1996
two years of the fishery. Results of bottom trawl surveys conducted by Germany in the vicinity of ... Abstract: Finfish stocks in the Antarctic Peninsula region (CCAMLR Statistical Subarea 48.1) have ... been exploited from 1978179 to 1988189 with most of the commercial harvesting taking place in the first ... Elephant Island in the 1980s showed that stocks of Champsocephalus gunnari, Notothenia rossii ...
Meeting Document : WG-FSA-97/27 : Auteur(s): Kock, K.-H.
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TIMING OF CLUTCH INITIATION IN PYGOSCELIS PENGUINS ON THE ANTARCTIC PENINSULA: TOWARDS AN IMPROVED UNDERSTANDING OF OFF-PEAK CENSUS CORRECTION FACTORS
through the breeding cycle. In this paper we present an analysis relating to both of these two challenges ... (62°28′ S, 60°46′ W), Admiralty Bay, King George Island (62°10′ S, 58°30′ W), Humble Island (64°46′ S ... , 64°06′ W), and Petermann Island (65°10′ S, 64°10′ W)) in relationship to potential drivers of clutch ... initiation in all three of the penguin species examined (Adélie, gentoo, and chinstrap). We present a ...
Meeting Document : WG-EMM-PSW-08/15 : Auteur(s): H.J. Lynch, W.F. Fagan, R. Naveen, S.G. Trivelpiece and W.Z. Trivelpiece (USA)
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REPORT OF THE UK GROUNDFISH SURVEY AT SOUTH GEORGIA (CCAMLR SUB-AREA 48.3) IN JANUARY 2009
Abstract: In January 2009 the UK undertook a bottom trawl survey of CCAMLR Sub-area 48.3 on the ... FV Sil. A total of 71 random and representative 30 min tows were made giving good geographic coverage ... assumed to be 3+. Very few juvenile fish were observed except in the south eastern sector of the South ... GROUNDFISH SURVEY AT SOUTH GEORGIA (CCAMLR SUB-AREA 48.3) IN JANUARY 2009 Approval: Approved ...
Meeting Document : WG-FSA-09/09 : Auteur(s): M. Belchier, R.E. Mitchell, M.A. Collins, L. Kenny, M. Taylor, J. Nelson and L. Featherstone (United Kingdom)
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Preliminary assessment of toothfish in Subarea 48.3
were high numbers of the 2001 cohort in commercial catches in 2009 onwards. It is likely that it is ... due to a combination of a strong 2001 cohort and a change in selectivity for the commercial fleet, but ... recruitment suggests a long-term yield of 3 200 t. If year class strengths have been low since 1994 and ... surveys and the stabilisation of both SSB and CPUE that a long-term yield in the region of 2 000 tonnes ...
Meeting Document : WG-FSA-11/33 Rev. 1 : Auteur(s): T. Peatman, R.E. Mitchell, G. Parkes and D.J. Agnew (United Kingdom)
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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 : Auteur(s): Cooper, J., A.C. Wolfaardt and R.J.M. Crawford
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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 : Auteur(s): A.K. Miller and W.Z. Trivelpiece (USA)
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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 : Auteur(s): 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)
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 ... area on the northern slope of shelf was revealed. Difference in feeding spectrum of these groups was ...
Meeting Document : WG-FSA-96/16 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): F.F. Litvinov, V.A. Sushin, G.A. Chernega and O.A. Berezhinskiy (Russia)