Résultats de la recherche
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Biotopic and spatial distribution of krill Euphausia superba Dana (Crustacea, Euphausiacea) length groupings in the Atlantic sector of Antarctic in summer 1984 and 1988
the basis of the data of two complex surveys carried out in the western Atlantic sector of Antarctic ... in summer 1984 and 1988. The large-length grouping is biotopically associated with the waters of the ... length structure was revealed in the survey 1988. It is assumed that the first grouping is transported ... impact of the secondary frontal zone dynamic conditions. Hydrometeorological conditions in summer 1988 ...
Meeting Document : WG-EMM-04/27 : Auteur(s): V.V. Lidvanov, A.V. Zimin, K.E. Shulgovsky (Russia)
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Report on fishery and scientific activity of Ukraine in the Antarctic in 1993/94
in subarea 48.2 from 01.03.1994 to 10.04.1994 and from the middle of the second ten-day period of May ... to the middle of the first t en-day period of June. GENERAL PETROV worked from 21.04 to 17.05 in ... Abstract: In the season of 1993-1994 Ukrainian fishing fleet conducted fisheries in two areas of ... Antarctic waters of the World Ocean: in the Atlantic (subareas 48.2 and 48.3) and the Indian (zone of the ...
Meeting Document : SC-CAMLR-XIII/BG/12 : Auteur(s): Observer (Ukraine)
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Trends in bird and seal populations as indicators of a system shift in the Southern Ocean
over the past 50 years in the southern Indian Ocean, the increase starting in mid 1960s and stabilizing ... in mid 1980s, being particularly important in the in the sub-Antarctic sector. At the same time with ... . These changes, together with the indications of a simultaneous decrease in secondary production in sub ... occurred in the Indian Ocean part of the Southern Ocean. This shift illustrates the high sensitivity of ...
Meeting Document : WG-EMM-03/53 : Auteur(s): H. Weimerskirch, P. Inchausti, C. Guinet and C. Barbraud (France)
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The State of Exploited Fish Stocks in the Atlantic Sector of the Southern Ocean in 1988
of the 1960s by the Soviet Union mainly. Notothenia rossii marmorata was the target species in the ... Abstract: Finfish have been harvested in the Atlantic sector of the Southern Ocean since the end ... first peak years 1969-71 which yielded about 500,000 tonnes in 2 seasons. Since 1975/76 fishing is ... guntheri. Catches of C. gunnari peaked at about 240,000, 220,000 and 100,000 tonnes in 1976-78, 1982-84 and ...
Meeting Document : WG-FSA-88/14 : Auteur(s): K.-H. Kock and F.-W. Köster (FRG)
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Preliminary data on the foraging habitat use by gentoo penguin in Byers Peninsula (Livingston Island) and chinstrap penguin in Deception Island, South Shetlands
Abstract: Data of basic parameters of foraging behaviour (foraging trip duration, total foraging ... trip distance, and maximum distance from the colony) and of foraging range for Gentoo penguin and ... Chinstrap penguin studied in Byers Peninsula and Deception Island respectively are given. Author(s): A ... gentoo penguin in Byers Peninsula (Livingston Island) and chinstrap penguin in Deception Island, South ...
Meeting Document : WG-EMM-18/40 : Auteur(s): A. Barbosa, J. Benzal, J. Belliure and J. Masello
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Horizontal and vertical distribution and demography of euphausiids in the Ross Sea and its adjacent waters in 2004/2005
occurred in the middle layers (400–600 m). Adult and juvenile E. crystallorophias were found at 200–300 m ... Abstract: The horizontal and vertical distribution and population structure of euphausiids in the ... towed samples. Nine species of euphausiids occurred in the survey area. Among them, Euphausia triacantha ... was dominant in biomass north of the southern boundary of the Antarctic circumpolar current (SB ...
Meeting Document : WG-EMM-08/P10 : Auteur(s): K. Taki, T. Yabuki, Y. Noiri, T. Hayashi and M. Naganobu
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Effects of variability in prey abundance on reproduction and foraging in chinstrap penguins (Pygoscelis antarctica)
optimally balance investment in current and future offspring. However, when trying to optimize investment in ... contend with large interannual fluctuations in prey availability and hence the cost of chick provisioning ... somewhere along the continuum between maintaining constant investment in foraging effort between years and ... letting chick provisioning fluctuate or holding chick provisioning constant and varying investment in ...
Meeting Document : WG-EMM-06/P6 : Auteur(s): D.A. Croll, D.A. Demer, R.P. Hewitt, J.K. Jansen, M.E. Goebel and B.R. Tershy (USA)
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Revised research plan for the exploratory longline fishery for Dissostichus spp. in Subarea 58.4.1 in 2014/15
Abstract: Most things related to Dissostichus spp. in the eastern side of Antarctic has not been ... to manage the eastern side area of Antarctic. Therefore, Korea notifies the participation in ... known well as namely the area is data poor areas. In the Division 58.4.1 there are two stocks; one ... sizes were vulnerable with a big range of about 1,000-2,000 t per SSRU in 58.4.1. During the 2004-2014 ...
Meeting Document : WG-FSA-14/38 : Auteur(s): Delegation of the Republic of Korea
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Foraging energetics of Antarctic fur seals in relation to changes in prey availability
account for the observed between-year difference in at-sea FMR of C. ursinus while foraging-trip duration ... when food was plentiful and when it was scarce. The energy expenditure and change in body mass of ... lactating female Antarctic fur seals, Arctocephalus gazella, foraging at sea was measured in two years using ... doubly labeled water at South Georgia Island. There was no difference between years in mass gain, water ...
Meeting Document : SC-CAMLR-VIII/BG/13 : Auteur(s): Delegation of United Kingdom
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Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using the Japanese fishery data
middle autumn and winter in each brightness category. Author(s): K. Taki, T. Hayashi and M. Naganobu ... Abstract: We examined seasonal variation in CPUE (catch per volume of trawled water) and diurnal ... fisheries data. Average trawling depth usually showed a marked diurnal change during summer and winter in SS ... did not show such diurnal vertical migration during winter in SG, being deepest around at morning ...
Meeting Document : WG-EMM-04/44 : Auteur(s): K. Taki, T. Hayashi and M. Naganobu (Japan)