Résultats de la recherche
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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)
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Preliminary results from a study examining spatial structure and connectivity in Patagonian toothfish (Dissostichus eleginoides) in the South Atlantic section of the Southern Ocean
signatures could discriminate between geographic locations along the Scotia Arc and along the eastern South ... material in the otolith nuclei, formed during the early life history: similar nucleus signatures can be ... caught further west, implying a stock boundary. Although fish caught off the eastern North Scotia Ridge ... ) Title: Preliminary results from a study examining spatial structure and connectivity in Patagonian ...
Meeting Document : WG-FSA-03/86 Rev. 1 : Auteur(s): J.R. Ashford (USA), A. Arkhipkin (United Kingdom) and C.M. Jones (USA)
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Mean circulation and hydrography in the Ross Sea sector, Southern Ocean: representation in numerical models
bathymetric constraints. Western and eastern cyclonic gyral systems separated by shallow bathymetry around 180 ... 900m at the gyral eastern end compare favourably with float data. On-shelf model depth-averaged west ... have components associated with isopycnal gradients in both light and dense waters. The climate models ... . Roberts, M.J.M. Williams, A. Dunn and M.H. Smith (2010) Title: Mean circulation and hydrography in the ...
Meeting Document : WG-EMM-10/P13 : Auteur(s): G.J. Rickard, M.J. Roberts, M.J.M. Williams, A. Dunn and M.H. Smith (2010)
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Revised research plan for the exploratory longline fishery for Dissostichus spp. in Division 58.4.2 in 2014/15
Abstract: Most things related to Dissostichus spp. in the eastern side of Antarctic has not been ... 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 100-1,500 t per SSRU in 58.4.2. During the 2004-2014 ... fishing seasons in Division 58.4.2, 1,618 Dissostichus spp. were tagged and released, but any tagged fish ...
Meeting Document : WG-FSA-14/39 : Auteur(s): Delegation of the Republic of Korea
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Revised research plan for the exploratory longline fishery for Dissostichus spp. in Subarea 48.6 in 2014/15
Abstract: Most things related to Dissostichus spp. in the eastern side of Antarctic has not been ... known well as namely the area is data poor areas. In the Division 58.4.1 there are two stocks; one ... -2014 fishing seasons in Subarea 48.6, 3,589 Dissostichus spp. were tagged and released, but only 4 ... considering the precautionary catch limit. Therefore, the catch limits that the meeting got in 2013 meetings ...
Meeting Document : WG-FSA-14/37 : Auteur(s): Delegation of the Republic of Korea