Résultats de la recherche
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Analysis of variability of krill size and fish by-catch in the Japanese krill fishery based on scientific observer data
parameter is largest in among area variation. Variance component analysis Figures 7 and 8 demonstrate the ... span of Antarctic krill (4–7 years; Ikeda et al., 1985), krill populations consist of multiple ... effect and the haul effect on krill length: ijkl ij k ik iklY Y θ λ ω= + + + (6) ( )2~ N 0,k Vθ σ (7 ... ) ( )2~ N 0,ik YVλ σ (8) ( )2~ N 0,ikl Hω σ (9) where ijklY is the mean krill length in haul l of ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 31–47 : Auteur(s): Okuda, T. and M. Kiyota
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Birds: Trophic modelling of the Ross Sea
, taking from 7 to 34% of young. Leopard seals (Hydrurga leptonyx) take young when they enter the sea ... chick rearing; (4) autumn migration from the colony; (5) heavy feeding; (6) moult; (7) overwintering ... first eggs are laid about 8 d after arrival of the female, and subsequent eggs are laid at about 3 d ... to sea for 8–14 days, with the male left incubating. Thereafter, mates alternate incubation and ...
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A review of the effectiveness of streamer lines as a seabird by-catch mitigation technique in longline fisheries and CCAMLR streamer line requirements
Streamer Lines Hooks Observed Birds Killed By-catch Rate 1 8 307 6 0.722 2 60 847 11 0.181 3 85 042 2 ... , estimated that albatrosses (7 species) made 70% fewer attacks on longline baits when a streamer line was ... set in excess of 8 knots). White-chinned petrel (Procellaria aequinoctialis) dive rates (the best ... water within 8 m or less of the stern, Conservation Measure 25-02 (2002) could be ineffective in ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 189–201 : Auteur(s): Melvin, E.F., B. Sullivan, G. Robertson and B. Wienecke
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Pêcher en mer, pas en l'air
Convention Area. 7. A streamer line shall be deployed during longline setting to deter birds from ... appendix to this measure. 8. A device designed to discourage birds from accessing baits during the ... it is suspended from a point a minimum of 7 m above the water at the stern on the windward side of ... be shorter) and deployed from the leeward side of the hookline. 7 Plastic tubing should be of a ...
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Fishes of the Ross Sea Region – A field guide to common species caught in the longline fishery
distinguishing features and a size scale. 7. Distinguishing features. The main features that distinguish the ... species are provided. 8. Colour. The colours of live or freshly caught fish are described. 9. Size. The ... of the head in front of the operculum. 7 Pyloric caeca. Small tubes or sacs located at the rear ... the front, which may bear teeth. 8 SECTION 2. GUIDE TO FAMILIES 48a. Rajidae (hardnose ...
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Age–length composition of mackerel icefish (Champsocephalus gunnari, Perciformes, Notothenioidei, Channichthyidae) from different parts of the South Georgia shelf
conipositiol~ of mackerel icefish from the South Georgia shelf The trawl mouth was 18-25 m wide and 7-8 m ... 2 3 4 5 6 7 8 9 1 0 1 1 I 1988 Shag Rocks 41.6 8.4 23.8 22.6 3.7 0.3 East South Georgia 1.4 1.9 ... CCAMLR Scieilce, Vol. 8 (2001): 133-146 AGE-LENGTH ... observed between those t ~ 7 o groups and the easterin group. The larger number of mature fish in the ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 133–146 : Auteur(s): Frolkina, G.A
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Revised estimates of seabed areas within the 500 m isobath of the South Orkney Islands (subarea 48.2) and consequences for standing stock biomass estimates of nine species of finfish
Short Notes CCAMLR Science, Vol. 7 (2000): 197-204 ... PaCCMOTPeHHbIX BNAOB OqeHKa o6qet ~ H O M ~ C C ~ I BO3pOCna Ha 5-30% AJIR 8 BHAOB M COKpaTHJIOCb Ha 20% AnR ... presented in this paper. RESULTS Polygons (Number) na 3 663 5 642 7 202 11 074 18 119 32 351 ... densities and more uneven Everson, 1987 992.45 1 240.56 4 962.24 7 195.25 spatial distributions ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 197–204 : Auteur(s): C.D. Jones
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UK: 48.3 Assessment Summary
initial value of steepness set to 0.75. Free estimates 1985-(current-7) Year_range 1992-(current-6 ... , except first year and last 7 which are fixed to 1. Model relatively insensitive to changes in steepness ... @size_at_age_dist normal @size_at_age k 0.08 t0 -0.7 Linf 126 cv 0.08 @size_weight a 2.54e-8 b 2.8 ... parameter q[CPUESG2q].q lower_bound 1e-8 upper_bound 1e-1 prior uniform-log phase 1 @relative_abundance ...
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Scientific observations in CCAMLR fisheries – past, present and future
address this problem by having re- course to the scheme (SC-CAMLR, 1994, Annex 8, paragraph 4.3 ... Measure 41-01 (2004), paragraph 7) (see CCAMLR, 2004b). 0 10 20 30 40 50 60 1996 1997 1998 1999 ... has increased from 8% in 2000 to 67% in 2004 (Table 4). Most of the observers on krill vessels are ... Longline D. eleginoides 48.3 16 7 43 1997 Longline D. eleginoides 48.3, 58.6, 58.7, 88.1 30 27 90 Trawl ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 81–98 : Auteur(s): Sabourenkov, E.N. and E. Appleyard
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Zooplankton: Trophic modelling of the Ross Sea
(Brierley & Watkins 2000; Priddle et al. 1988). Azzali et al. (2006) show data from four 7 Italian ... response to the availability of different food sources. Krill seem to switch from 8 herbivory of ... -1, with a range of 7–30 y-1. 4.4 Unassimilated consumption Assimilation efficiency for non ... 10.9 gWW m-2, approximately equivalent to 0.5 gC m-2. (7) Huntley & Zhou (2000) as reported in ...
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