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Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica
mature at about 340–360 mm total length (TL) and about 3–4 years of age, and that 95% were mature at ... total length (TL) and about 3–4 years of age, and that 95% were mature at about 370–400 mm TL and 6–8 ... matures à environ 340–360 mm de longueur totale (LT) et à environ 3–4 ans d'âge, et que 95% l'étaient à ... мм и в возр�с�е примерно 3–4 год�, и ��о 95% были половозрелыми при ОД около 370–400 мм и в возр�с�е ... de longitud total (TL) y a los 3–4 años de edad, y un 95% había madurado alrededor de los 370–400 mm ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 139–165 : Autor(es): Sutton, C.P., M.J. Manning, D.W. Stevens and P.M. Marriott
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Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around South Georgia
= 0.29) for age classes 3 and 4 but declines with increasing age to 60% (M = 0.51) for age class 5 and ... - E a, f F 0 8 6 -5 -10 -1 5 -20 3 4 5 6 7 8 9 Age (years) Olsen Frolkina Kock ... from equations 1 to 4 for each season from data used in Figure 1 and assuming that fish are fully ... (from 2 ) M (from il) n The chi-squared statistic, equation 4, indicates that survivorship was ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 245–257 : Autor(es): Everson, I
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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
) used, typical of pelagic gear (20–35 m), and the vessel speed of 10 knots (demersal gear is rarely ... (4% to 23%) and not signifi cant. Importantly however, seabird behaviour as measured by attacks on ... 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 ... m) (Melvin et al., 2001; Melvin, 2003). In Alaskan fi sheries, this distance is 60 m for vessels ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 189–201 : Autor(es): Melvin, E.F., B. Sullivan, G. Robertson and B. Wienecke
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Age determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula subarea (Subarea 48.1)
32.5 + 46 +9 + 20 >-' Ut Ul Table 3: Age group 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 ... ~ N 0'= 42 0 8 r ~n N~ = 53 ~ 6 4 z 2 ---- >- 14 16 18 20 22 24 26 28 30 32 34 36 38 u z t4 ... w :::> 12 ~ iO t N cf= 15 0 0::: 8 r B ~ I.L N~ = 22 6 4 2 14 16 18 20 22 24 26 28 30 ... age-length for N. gibberifrons from both localities. Potter Cove and Low I. fishes ranged from 4 to ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 143-160 : Autor(es): Barrera-Oro, E.
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The survivorship of rays discarded from the South Georgia longline fishery
12 hours, adjusted for the ‘50% survivorship’ category of Table 1. 0% 20% 40% 60% 80% 100 ... 20 0 Endicott and Agnew 160 Table 4: Results of a binomial GLM in S-plus examining the ... hydrant was situated approximately 4 m below the sea surface. Monitoring of the water tem- peratures in ... have a sharp decline in survivorship: between 1 400 and 1 700 m there is an expected 35% survivorship ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 155–164 : Autor(es): Endicott, M. and D.J. Agnew
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Biology and harvesting of Dissostichus eleginoides around the Kerguelen Islands (Division 58.5.1)
................................. " .................. . 20 40 60 80 Lt (2crIl interval) 250 - 350 m -+- 350 - 450 m n=235 n=1069 100 120 -*- 450m ... les plus frequemment observes dans les captures au chalut (30-60 a 50-100 cm) appartiennent aux ... 4), ainsi que les distributions de frequences de longueurs observees simultanement (Figure 5 ... 35% de l' effort de peche total. Les tendances observees a 1'aide d'un indice standardise base sur ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 85–106 : Autor(es): Duhamel, G.
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Diurnal variations in biological characteristics of krill, Euphausia superba Dana, to the west of the South Orkney Islands, 24 March to 18 June 1990 - based on data reported by a biologist-observer
J '~~~:Y.~."'. \/ 8~!----~~~.~--~-4~~--------*~~-------------- 31 33 35 37 39 41 43 45 47 49 51 53 ... composition of males were much stronger than for females over periods from 0 to 2,2 to 4 and 6 to 8 hrs (the ... to 14 and 18 to 20 hrs. Some changes were also observed in females, but they were less evident than ... particular size intervals: 47 to 48 mm for Station I, 43 to 44 or 45 to 46 mm for Station VII (see Figure 4 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 201–222 : Autor(es): Vagin, A.V., R.R. Makarov and L.L. Menshenina
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A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia
(m2) 8 1 2 4 0.1 Max. nets/haul 1 3 1 9 9 60 25 2 1 Cruise JBlO JB1 1 JR03 JR06 JR1 1 JR17 ... Peninsula). CCAMLR Science, 4: 19-35. Siegel, V., V. Loeb and J. Groger. 1998. Krill (Euphausia superba ... JR28 RMT FNET MNET VKSS LHPR RMT25 10 1 0 6 0 0 20 1 0 0 0 0 1 0 5 0 0 0 0 9 1 0 0 5 18 2 1 0 ... 2 0 10 2 1 0 0 0 19 4 0 0 0 0 Total 17 21 6 15 23 13 23 Watkins MATERIALS AND ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Autor(es): Watkins, J.L
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Seabird interactions with longlining operations for Dissostichus eleginoides around South Georgia, April to May 1994
-seven line sets were observed and 98 deaths of seabirds were recorded over 20 sets; no deaths occurred ... albatrosses. The average mortality rate for the 20 sets was 0.48 birds/1 000 hooks and maximum mortality 3.12 ... deaths of seabirds were recorded over 20 sets; no deaths occurred during hauls. The 16 sets made at ... albatrosses. The average mortality rate for the 20 sets was 0.48 birds/l 000 hooks and maximum mortality ... lignes a et6 observee; sur 20 d'entre elles, 98 morts accidentelles d'oiseaux marins ont et6 ... Sud. Le taux de mortalite moyen pour les 20 poses etait de 0,48 oiseau/l 000 hamecons et la ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 111–121 : Autor(es): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno
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Marine debris and fishing gear associated with seabirds at sub-Antarctic Marion island, 1996/97 and 1997/98: in relation to longline fishing activity
HeIIpoMbICnOBbIe MOpCKHe O T ~ P O C ~ I . 6b1JI0 H ~ ~ R ~ H O 60 BepesovHblx neTenb, ~ c n o n ~ 3 o ~ a ~ r u ... Prince, 1996). Both unregulated and sanctioned longline fishing for Patagonian toothfish within the 20 ... giganteus) (n = 72) and grey-headed albatross (Diomedea (Thalassarche) chrt~~ostoma) (n = 70) nests (Table ... 1996197 1 3 4 5 1997198 1 3 15 19 3 1 2 2 Total 1 3 1 18 23 3 1 7 2 ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 85–96 : Autor(es): Nel, D.C. and J.L. Nel