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Krill biomass and distribution in Subarea 48.2 during summer 1996
density in the day-time amounted to 30.4 g/sq.m are comparable with density values, observed in the ... early summer season krill density may be higher. Krill biomass estimate (1.12 ± 0.093 mln.t) in acoustic ... biomass amounted to 2.00 ± 0.573 mln.t with a coefficient of variance 12.5%. Author(s): Kasatkina, S.M ...
Meeting Document : WG-EMM-97/49 : Автор(ы): Kasatkina, S.M., Abramov, A.M., Polischuk, M.I., Sushin, V.A.
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Results of the first winter longline survey to the northern Ross Sea region to investigate toothfish reproductive life history
aggregate earlier than females and that spawning begins in early July. There were a higher proportion of ... reared for several days in flow through incubators. Egg buoyancy measurements, conducted with fertilised ... eggs in density gradient cylinders, are being analysed and compared with CTD data to indicate the depth ...
Meeting Document : WG-FSA-16/37 : Автор(ы): D. Stevens, D. Di Blasi and S. Parker
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Subgroup on Assessment Methods: Report to the Working Group on Fish Stock Assessment 2002
Abstract: Over the last two years, discussions in WG-EMM, WG-FSA and the Scientific Committee ... archiving. 3. a proposed workplan for the future, including a timetable for work in the 2003 intersessional ... quality of the assessments. This paper amalgamates the correspondence from during the year and the papers ... incorporating into assessments 2. a draft plan for assessments at WG-FSA this year, including reporting and ...
Meeting Document : WG-FSA-02/80 : Автор(ы): A.J. Constable (Subgroup Coordinator)
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IDENTIFYING PATTERNS IN DIET OF MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) AT SOUTH GEORGIA USING BOOTSTRAPPED CONFIDENCE INTERVALS OF A DIETARY INDEX
following year (2005). This may have been a result of mortality of age 2+ and 3+ fish, which were more krill ... significantly between years and age classes but there was little regional difference in diet. In general diet ...
Meeting Document : WG-FSA-08/29 : Автор(ы): C.E. Main, M.A. Collins, R. Mitchell and M. Belchier (UK)
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Proposal for an experimental crab fishery in Subarea 48.3
years/fishing seasons. Phase 1 occurs at the start of the first fishing season and is a "survey ... second fishing season. Phase 3 commences just prior to the close of the second fishing season. In this ...
Meeting Document : WG-FSA-93/22 : Автор(ы): George Watters (USA)
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Are penguins and seals in competition for Antarctic krill at South Georgia?
consumers of Antarctic krill. In recent years the population of fur seals has increased whereas that of ... 1989 and 2000. Foraging ranges of the two species showed considerable overlap in both years but the ... concentrations of foraging activity were significantly spatially segregated. Over the last 12 years the ... prevalence of krill in the diet of the two predators differed with less krill in the diet of macaroni ...
Meeting Document : WG-EMM-01/22 : Автор(ы): K.E. Barlow, I.L. Boyd, J.P. Croxall, I.J. Staniland, K. Reid and A.S. Brierley (United Kingdom)
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2004/05
eight years in Subarea 88.1 and for four years in Subarea 88.2 with a large amount of data collected on ... total catch1. Comparison of the location of fishing effort with ice distribution over the past six years ... toothfish and the associated bycatch. The 2005 D. mawsoni catch was the highest on record with a total of ...
Meeting Document : WG-FSA-05/29 : Автор(ы): S.M. Hanchet, M.L. Stevenson, N.L. Phillips and A. Dunn (New Zealand)
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Geographical differences in the condition, reproductive development, sex ratio, and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Statistical Subarea 88.1)
toothfish Dissostichus mawsoni from mid-December to early April during the 2000-01 to 2004-05 fishing ... a consistent peak over all sampling seasons in comparison with the southern group in which the ...
Meeting Document : WG-FSA-05/52 : Автор(ы): J.M. Fenaughty (New Zealand)
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Interannual variation in the diet of the Antarctic prion Pachyptila desolata at South Georgia
regurgitated by adult birds during five breeding seasons at Bird Island, South Georgia. In all years the diet ... was mainly crustaceans, with a small proportion of myctophid fish and trace amounts of cephalopods ... . Antarctic krill Euphausia superba was the dominant prey item in three years and was replaced by calanoid ... copepods, especially Rhincalanus gigas and Calanoides acutus, in two years of low krill abundance ...
Meeting Document : WG-EMM-97/12 : Автор(ы): Croxall, J.P., Edwards, T.M., Reid, K.
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Solutions to seabird by-catch in Alaska’s demersal longline fisheries
years, regions, and fleets (88% to 100% relative to controls with no deterrent), despite the fact that ... Abstract: This research program compared seabird bycatch mitigation strategies over 2 years (1999 ... fishery for Pacific cod. We conducted tests over two years to account for inter-annual variation and allow ... we saw orders of magnitude variation in bycatch across years and in the case of the sablefish fishery ...
Meeting Document : WG-FSA-01/35 : Автор(ы): E.F. Melvin, J.K. Parrish, K.S. Dietrich and O.S. Hamel (USA)
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