Résultats de la recherche
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Milk fatty acid signatures indicate both major and minor shifts in foraging ecology of lactating Antarctic fur seals
year (austral summer 1990/1991). In lactating otariid females, milk fatty acids secreted during the ... dietary fatty acids consumed during the fattening period prior039; to parturition, whereas milk fatty ... away from breeding grounds and likely switch to a diet of krill during lactation. Additionally, at ... least in a poor food year, fur seals do not feed exclusively on krill throughout lactation but rather ...
Meeting Document : WG-EMM-97/14 : Auteur(s): Boyd, I.L., Iverson, S.J., Arnould, J.P.Y.
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Electronic monitoring of seabird interactions with trawl third-wire cables on trawl vessels – a pilot study
Economic Zone. EM systems, consisting of two closed circuit television cameras, GPS, hydraulic and winch ... one-month period in the fall of 2002. Detailed analysis of about 200 hours of fishing imagery occurred ... , representing 20 shoreside delivery vessel fishing events and 32 head and gut fleet fishing events. Results from ... monitoring the use and effectiveness of mitigation measures. Author(s): H. McElderry, J. Schrader, D ...
Meeting Document : WG-FSA-04/23 : Auteur(s): H. McElderry, J. Schrader, D. McCullough, J. Illingworth, S. Fitzgerald and S. Davis (USA)
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Electronic monitoring of seabird interactions with trawl third-wire cables on trawl vessels – a pilot study
Economic Zone. EM systems, consisting of two closed circuit television cameras, GPS, hydraulic and winch ... one-month period in the fall of 2002. Detailed analysis of about 200 hours of fishing imagery occurred ... , representing 20 shoreside delivery vessel fishing events and 32 head and gut fleet fishing events. Results from ... monitoring the use and effectiveness of mitigation measures. Author(s): H. McElderry, J. Schrader, D ...
Meeting Document : WG-FSA-04/23text : Auteur(s): H. McElderry, J. Schrader, D. McCullough, J. Illingworth, S. Fitzgerald and S. Davis (USA)
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Albatross mortality and associated bait loss in the Japanese longline fishery in the Southern Ocean
, it would be many millions of dollars greater. Apart from a concern for albatrosses, Japan039;s ... ill the problem is possible and that an overall reduction in excess of 90% could be achieved. Further ... monitoring is essential. Author(s): Brothers, N. 1991. Biol. Conservation, 55: 255-268. Title: Albatross ...
Meeting Document : WG-IMALF-94/06 : Auteur(s): Brothers, N. 1991. Biol. Conservation, 55: 255-268.
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Albatross mortality and associated bait loss in the Japanese longline fishery in the Southern Ocean
, it would be many millions of dollars greater. Apart from a concern for albatrosses, Japan039;s ... in the problem is possible and that an overall reduction in excess 0f 90 % could be achieved. Further ... monitoring is essential. Author(s): Delegation of Australia Title: Albatross mortality and associated bait ...
Meeting Document : CCAMLR-IX/BG/17 : Auteur(s): Delegation of Australia
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Preliminary assessment of Champsocephalus gunnari on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002
fraction (93%) of the population last year. Two assessments were undertaken as a result of the potentially ... significantly different from previous years but the one-sided lower 95% confidence bound was greater than in ... current estimates of length at age parameters would be for most of the fish to be three year olds. However ... , given the abundance of fish in the population and the age structure of fish last year, it would be more ...
Meeting Document : WG-FSA-02/47 : Auteur(s): A.J. Constable, R. Williams and T. Lamb (Australia)
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Stomach contents of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea region in 2010 and a comparison with 2003
two years. It is planned to carry out a more rigorous analysis of these data in the coming year ... . De Witt’s icefish, eel-cods, and glacial squid were also important occurring in about 20% of stomachs ... . Author(s): D.W. Stevens, J. Forman and S. Hanchet (New Zealand) Title: Stomach contents of Antarctic ...
Meeting Document : WG-FSA-10/22 : Auteur(s): D.W. Stevens, J. Forman and S. Hanchet (New Zealand)
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Trophic study of Ross Sea Antarctic toothfish (Dissostichus mawsoni) using carbon and nitrogen stable isotopes
and 88.1J) during two fishing seasons 2005/6 and 2006/7. The species sampled were: 6 fish: Antarctic ... glacialis (Gg, n=3), Kondakovia longimana (Kl, n=20), Psychroteuthis glacialis (Pg, n=20) and the Colossal ... range of 7 ‰ (9–16 ‰) in δ15N, which is equivalent to two trophic steps. All fish, except Antimora ... rostrata (2.7 ‰ range) showed a d15N range greater than 3.4 ‰ spanning more than one trophic step. This ...
Meeting Document : WG-EMM-08/27 : Auteur(s): S.J. Bury, M.H. Pinkerton, D.R. Thompson, S. Hanchet, J. Brown and I. Vorster (New Zealand)
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Changes to seabird avoidance regulations in Alaska demersal longline fisheries based on scientific research on effectiveness of mitigation measures
lines on larger vessels. Changes were based on research results from a two-year study conducted by the ... longline fisheries off Alaska. One of the main recommendations is for the required use of paired streamer ... relative to controls with no deterrent). This proposed action is prompted for two reasons: 1) An industry ... successfully reduce seabird incidental take in all years, regions, and fleets (88 percent to 100 percent ...
Meeting Document : WG-FSA-02/53 : Auteur(s): K.S. Rivera (USA)
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ALLOCATING THE PRECAUTIONARY CATCH LIMIT FOR KRILL AMONGST THE SMALL-SCALE MANAGEMENT UNITS IN AREA 48: THE IMPLICATIONS OF DATA UNCERTAINTIES
candidate methods for subdividing the catch limit and rejected one of them as unsuitable (Option 1 ... of two further options (Option 5- adjustable catch limits within SSMUs and Option 6- structured ... between these two (Option 4). In this paper we review the uncertainties relating to the spatial ... Abstract: Over the past few years WG-EMM has been developing a management procedure for the krill ...
Meeting Document : WG-EMM-08/12 : Auteur(s): P.N. Trathan and S.L. Hill (United Kingdom)