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Report on fish by-catch during exploratory fishing activities in Division 58.4.3a (Elan Bank) between 2008 and 2018
(Dissostichus eleginoides) last submitted in 2018 by Japan and France in Division 58.4.3a (WG-FSA-18/61). We ... analyzed bycatch composition in number and biomass during the period 2008-2018 to investigate the inter ... -annual variations in bycatch patterns, spatial distribution and biological parameters of the main bycatch ... strong effects of gear and bathymetry on bycatch composition and biomass. As shown in others regions ...
Meeting Document : WG-FSA-2019/56 : Автор(ы): C. Péron, C. Chazeau, N. Gasco and F. Massiot-Granier
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Changes in the diet of the South Georgia shag Phalacrocorax georgianus at the South Orkney Islands along four consecutive years
molluscs (mainly octopods and bivalves) and polychaetes. Harpagifer antarcticus (in 1995 and 1998) and ... prey in all of the seasons and predominated in mass in 1995 and 1996, followed by Notothenia coriiceps ... and L. nudifrons. In 1997 G. gibberifrons and N. coriiceps were the species that most contributed to ... the diet whereas N. coriiceps and H. antarcticus did in 1998. Our results differ from those reported ...
Meeting Document : WG-EMM-00/8 : Автор(ы): R. Casaux and A. Ramón (Argentina)
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Preliminary information on inshore demersal fish from the Danco Coast, Antarctic Peninsula, in the 1999/00 summer season
Abstract: A total of 1103 inshore notothenioid fish were caught by means of trammel-nets in four ... ), Danco Coast, West Antarctic Peninsula, in the summer season of 2000. The families Nototheniidae ... . Gobionotothen gibberifrons and Trematomus newnesi followed in importance. In general, the ichthyofauna agreed in ... occurrence of G. gibberifrons in the Danco Coast. This supports the hypothesis that the commercial fishery ...
Meeting Document : WG-FSA-00/63 : Автор(ы): R. Casaux, E. Barrera-Oro, A. Baroni and A. Ramón
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Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Bird Island, South Georgia during the 1997 winter and 1997/98 pup-rearing season
. Only seven seals were observed entangled in the winter, a drop of 59% from 1996. Four of these records ... were from adult females, a much higher proportion than in previous years. The number of entanglements ... in the summer was the lowest recorded to date, being 52% lower than in 1996/97. The percentage of ... entanglements in packaging bands was higher than recent years in both summer and winter. Only one seal sustained ...
Meeting Document : SC-CAMLR-XVII/BG/11 : Автор(ы): Delegation of the United Kingdom
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Results of E.L. Holmberg 1995 fish survey in Subarea 48.3
Abstract: The survey comprised 48 bottom trawl hauls taken in subarea 48.3. About 80% of the ... hauls were intended as replicates of the position of hauls in the 1994 survey, allowing site by site ... and 1.0 miles from those in the previous survey. Mean densities were obtained considering the spatial ... aggregation of stations in a nested ANOVA model. An increase over last year's values was observed in the ...
Meeting Document : WG-FSA-95/35 : Автор(ы): Marschoff, E., Madirolas, A., Balestrini, C., Tossonotto, G., Gonzalez, B., Calcagno, J.
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INDICATIVE ESTIMATES OF BIOMASS AND YIELD OF WHITSON’S GRENADIER (M. WHITSONI) ON THE CONTINENTAL SLOPE OF THE ROSS SEA IN SUBAREAS 88.1 AND 88.2
Abstract: Catch limits currently in place for macrourids in Subareas 88.1 and 88.2 are defined as ... being equal to 16% of the catch limit of Dissostichusspp. in these subareas. The 16% was based on the ... ratio of the by-catch limit for macrourids to the catch limit for Dissostichus spp. in Division 58.5.2 ... in 2002/03 (CCAMLR-XXI, para 11.53). The bycatch limit for macrourids in Division 58.5.2 had in turn ...
Meeting Document : WG-FSA-08/32 : Автор(ы): S.M. Hanchet, D. Fu and A. Dunn (New Zealand)
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Fish and squid in the diet of king penguin chicks, Aptenodytes patagonicus, during winter at sub-Antarctic Crozet Islands
of the fish diet, constituting together 32 % by mass. The three main species of myctophids eaten in ... summer by king penguins were either very rare in winter (Electrona carlsbergi) or accounted for a smaller ... other myctophids, which are rarely consumed in summer, contributed 24% of the diet by mass in winter ... Electrona subaspera = 1.0%). The greater diversity of prey in winter suggests a more opportunistic feeding ...
Meeting Document : WG-EMM-97/09 : Автор(ы): Cherel, Y., Ridoux, V., Rodhouse, P.G.
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Milk fatty acid signatures indicate both major and minor shifts in foraging ecology of lactating Antarctic fur seals
fatty acids in the marine food chain and it may be useful in determining the composition of seal diets ... or in detecting changes in diets. We apply fatty acid signature analysis to milks collected from ... ), mid (n=11), and late (n=8) foraging trip intervals, and demonstrate its use in detecting shifts in ... prey intake which correspond with changes observed in diving and foraging behavior during a poor food ...
Meeting Document : WG-EMM-97/14 : Автор(ы): Boyd, I.L., Iverson, S.J., Arnould, J.P.Y.
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Catch per unit effort data from the early years of commercial krill fishing operations in the Atlantic sector of the Antarctic
Abstract: Catch Per Unit Effort data are presented from krill fishing operations in CCAMLR ... in single years, between years on a Subarea and Area basis, and between oceanic and shelf regions ... observed in the years 1975/76 and 1980/81, wheras the lowest CPUE occurred in Subarea 48.3 in 1977/78. The ... expressed in this regard. Depending on the circumstances a CPUE index may seriously under- or overestimate ...
Meeting Document : WG-EMM-97/22 : Автор(ы): Sushin, V., Siegel, V.
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Tooth growth in male Antarctic fur seals (Arctocephalus gazella) from South Georgia: an indicator of long-term growth history
in longitudinal sections of teeth. Mean age at death was 7∙69 ± 0∙07 years and this showed a small ... provided an indication of body growth, Tooth growth rate was lowest in seals which died early (age 4 years ... ) and increased with age at death. Changes in the growth pattern of teeth suggested that fur seals which ... became sexually mature early also died early. Tooth growth layers deposited in each calendar year were ...
Meeting Document : WG-CEMP-93/11 : Автор(ы): I.L. Boyd and J.P. Roberts (United Kingdom)
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