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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 : Автор(ы): 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 : Автор(ы): 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 ... successfully reduce seabird incidental take in all years, regions, and fleets (88 percent to 100 percent ... relative to controls with no deterrent). This proposed action is prompted for two reasons: 1) An industry ...
Meeting Document : WG-FSA-02/53 : Автор(ы): 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
Abstract: Over the past few years WG-EMM has been developing a management procedure for the krill ... 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 ...
Meeting Document : WG-EMM-08/12 : Автор(ы): P.N. Trathan and S.L. Hill (United Kingdom)
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Biological features of the icefish Champsocephalus gunnari from commercial catches in Subarea 48.3 during the period from 8 December 1999 until 31 January 2000
frequency peaks under 27-29 and 33 cm for fish aged 3 and 4 years. The by-catch of small size ... capitus was 11.9% and 1.3 and by parasitic copepods Eubrachiella antarctica- 37% and 3. Author(s): V.L ...
Meeting Document : WG-FSA-00/20 : Автор(ы): V.L. Senioukov (Russia)
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Uncertainty in green weight estimates from Norwegian krill fishing vessels
an issue raised repeatedly within CCAMLR for a number of years, resulting in a modification to the C1 ... krill fishery for Euphausia superba in the Antarctic. These vessels have in recent years contributed to ... results and procedures. Author(s): G. Skaret and T. Knutsen (Norway) Title: Uncertainty in green weight ...
Meeting Document : WG-EMM-13/41 : Автор(ы): G. Skaret and T. Knutsen (Norway)
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Anthropogenic feather soiling, marine debris and fishing gear associated with seabirds at Bird Island, South Georgia, 2000/01
. Quantities of fishing gear remained within the levels of previous years for all other species. Marine debris ... albatrosses. The recently noted trend of black-browed albatrosses regurgitating marine debris continued. Two ... grey-headed albatrosses. One Antarctic prion stomach, out of five dissected, contained a small piece of ... at South Georgia. Author(s): Delegation of the United Kingdom Title: Anthropogenic feather soiling ...
Meeting Document : SC-CAMLR-XX/BG/07 : Автор(ы): Delegation of the United Kingdom
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Diet variability and reproductive performance of macaroni penguins (Eudyptes chrysolophus) at Bird Island, South Georgia
2010. Crustaceans were the main prey accounting for over 90 % of the diet by mass. Antarctic krill ... (Euphausia superba) was the main prey in 17 out of 22 years. Amphipods (Themisto gaudichaudii) were the main ... diet. 59 % of all diets were dominated (> 90 % by mass) by euphausiids, 15 % were dominated by fish ... gross energy content of individual meals was often above average in years when the diets contained fewer ...
Meeting Document : WG-EMM-12/17 : Автор(ы): C.M. Waluda, S.L. Hill, H.J. Peat and P.N. Trathan (United Kingdom)
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Apparent decrease of Weddell seal numbers in the western Ross Sea
from seals tracked by satellite indicate wider foraging range during winter than 20 years ago. A large ... imagery during 2008-2012 indicated many fewer Weddell seals (Leptonychotes weddellii) at the two major ... -scale seal monitoring program is required to prove that the fishery is not involved. Author(s): D.G ... . Ainley, M.A. Larue (USA), I. Stirling (Canada), S. Stammerjohn and D.B. Siniff (USA) Title: Apparent ...
Meeting Document : WG-EMM-14/44 : Автор(ы): D.G. Ainley, M.A. Larue (USA), I. Stirling (Canada), S. Stammerjohn and D.B. Siniff (USA)
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Fatty acid signature analysis from the milk of Antarctic fur seals and southern elephant seals from South Georgia: implications for diet determination
misleading. This study examined fatty acid profiles in milk from two species of pinniped from the Southern ... fur seals (Arctocephalus gazella) in 3 consecutive years, from 1991- 1993 (n=72) and from Southern ... acids 16:4 n1, 18:2 n6, 18:4 n3, 18:4 n1 and 20:5 n3 and by higher levels of 18:0, 18:1 n9/ n11 (i.e. 18 ... :1 n9 co- eluting with 18:1 n11) and 20:1 n9. Fatty acid signatures from the milk of Antarctic fur ...
Meeting Document : WG-EMM-99/44 : Автор(ы): D.J. Brown, I.L. Boyd, G.C. Cripps and P.J. Butler (United Kingdom)
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