Search results
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Distribution of mackerel icefish (Champsocephalus gunnari) (Channichthyidae) around South Georgia at various stages of its life cycle
during its life cycle. Fish larvae inhabit the upper 100 m layer of pelagic waters. Young fish (<6 cm ... (m m ) 80 81 78 76 29 / 5– 7/ 6/ 19 90 L en gt h ra ng e (m m ) 60 –1 20 60 –1 00 ... 11 3 2 00 1 G iz hi ga M ea n le ng th (m m ) 10 8 10 8 10 8 99 30 / 5– 29 / 6 ... th (m m ) 11 3 10 0 11 6 10 1 8– 24 / 7/ 19 89 L en gt h ra ng e (m m ) 90 –1 50 ... 58 5 25 9 45 1 69 6 G iz hi ga M ea n le ng th (m m ) 10 3 10 1 10 8 10 0 7/ 7– 8 ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 49–69 : Author(s): Frolkina, Zh.A
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A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3
measures. Three years were analysed: 1998/99, 1999/2000 and 2000/01. Each year fully covered the period 1 ... catches attributable to IUU fishing were 776, 1 019 and 198 tonnes in 1998/99, 1999/2000 and 2000/01 ... respectively (a total over the three years of 1 994 tonnes). The distribution of estimated total bird catch was ... limits were calculated to be 54–2 017, 468–1 779 and 22–487 tonnes respectively for fish and 162–7 752, 1 ... been in Areas 6, 1 or 3. Furthermore, although fi shing vessels, cruise ships and research vessels do ... 91 .9 1 14 2 1. 54 5 9 S C is ne V er de 20 -M ar -9 7 30 -M ay -9 7 6 99 .8 ... 4 10 .2 44 4 0. 39 1 S E lq ui 16 -M ar -9 7 15 -M ay -9 7 7 18 3. 6 73 ... 58 .0 55 43 0. 74 1 6 S Is la Is ab el 01 -M ar -9 7 09 -A pr -9 7 11 18 ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Author(s): Agnew, D.J. and G.P. Kirkwood
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Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica
about 370–400 mm TL and 6–8 years of age. Counts of growth zones in sectioned otoliths were used to ... : = = − = × ∑ ∑ 1 1 1 1 IAPE 100 N R ij j jj i X X N R X (6) and 2 1 1 11 mean CV 100 R ij j N i jj ... total length (TL) and about 3–4 years of age, and that 95% were mature at about 370–400 mm TL and 6–8 ... environ 370–400 mm de LT et à 6–8 ans d'âge. Le comptage des zones de croissance des otolithes ... 6–8 ле�. Подс�е� зон рос�� по шлиф�м о�оли�ов испол��зов�лся для определения возр�с�� и п�р�ме�ров ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 139–165 : Author(s): Sutton, C.P., M.J. Manning, D.W. Stevens and P.M. Marriott
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An assessment of CCAMLR measures employed to mitigate seabird mortality in longlining operations for Dissostichus eleginoides around South Georgia
conservation measures, lines were set at night, weights (6-7 kg) were set at 50 m intervals along the line, all ... with CCAMLR conservation measures, lines were set at night, weights (6-7 kg) were set at 50 m ... CCAMLR, les lignes ont et6 posees de nuit, des lests (6-7 kg) ont et6 fixes a 50 m d'intervalle sur ... conservacion de la CCRVMA, las lineas se calaron por la noche con pesos (6-7 kg) colocados cada 50 metros a 10 ... carried two weights of c. 6 to 7 kg at a c. 50 m interval, one half-way along and the other at the end ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 217–230 : Author(s): Ashford, J.R. and J.P. Croxall
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Moulting interval and growth of juvenile Antarctic krill fed different concentrations of the diatom Phaenodactylum tricornutum in the laboratory
–5.0 mgC 1 –1. Intermoult period (IP) decreased, but an increment of body length per moult (∆BL) of ... juvenile krill increased, up to a concentration of 1.0 mgC 1 –1. No further effect of food concentrations ... on IP or (∆BL was seen at concentration beyond 1.0 mgC 1 –1. IP plateaued at 23.8 days and (∆BL ... 0.047 mm day –1, which is too slow to support the hypothesised 2-year life-span of this animal in the ... superba) were fed Phaeodactylum tricornutum, at concentrations ranging from 0.0-5.0 mgC 1 1. Intermoult ... to a concentration of 1.0 mgC 1-1 • No further effect of food concentrations on IP or 6BL was seen ... at concentration beyond 1.0 mgC 1-1 • IP plateaued at 23.8 days and 6BL, 1.14mm. From these results ... concentrations allant de 0.0-5.0 mgC 1-1. La periode d' entremue (IP) a diminue mais la longueur corporelle par ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 223-225 : Author(s): Ikeda, T. and P.G. Thomas
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The survivorship of rays discarded from the South Georgia longline fishery
waters shallower than 1 300 m (i.e. 1 200–1 300 m), 46% in waters 1 300–1 500 m, and 24% in waters ... between 1 500 and 2 000 m. These findings support CCAMLR’s recommendation that skates and rays be cut from ... . 6 0. 8 1. 0 3 3 4 3 13 3 2 1 3 4 44 3 4 1 2 3 1 4 83 2 2 13 5 5 1.0 0.8 0.6 ... 2000 -4 -2 0 2 4 wind s( w in d) 0 1 2 3 4 5 6 -1 0 -8 -6 -4 -2 0 pa rti al fo r s ex ... % in waters shallower than 1 300 m (i.e. 1 200–1 300 m), 46% in waters 1 300–1 500 m, and 24% in ... waters between 1 500 and 2 000 m. These fi ndings support CCAMLR’s recommendation that skates and rays ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 155–164 : Author(s): Endicott, M. and D.J. Agnew
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Results of a longline survey on seamounts in the southeast Atlantic and in Subarea 48.6 and Division 58.4.4
October and 1 December 1997, and several seamounts were surveyed to the south of Africa: close to the ... the isobaths and in depths down to 1 500-2 000 m. Numerically, catches were dominated by Patagonian ... vary from 1:1. Females accounted for 70% of individuals of more than 90 cm in total length. The stratum ... between areas. Catch per unit effort ranged from a maximum value of 359 kg/1 000 hooks on Ob and Lena ... n b I K a q (Dissostichus eleginoides): 6b1no B b I n O B n e H O 2822 0 ~ 0 6 1 1 3 T 0 r 0 B ... ~ I ~ ~ - 185 K r / 1 000 K p I O q K O B Ha 6 a H K e M e ~ e o p . Resumen Entre e122 de ... (including by depth strata and by area for all species caught. 6 teleosts, 1 channichthys and 1 Rajidae) and ... 5.78 1 0.17 6 1.02 No. Hooks 7 500 3 750 3 750 3 750 3 750 3 750 3 750 3 750 3 750 3 ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 99–116 : Author(s): López Abellán, L.J. and J.F. González Jiménez
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Validation of sink rates of longlines measured using two different methods
/ Description: Sink rates of integrated weight longlines (lines with 50 g.m –1 lead integrated into two strands ... plastic bottles (bottle method). Sink rates measured to 2 m with bottles averaged 0.23 ± 0.07 m.s –1 ... compared to 0.17 ± 0.03 m.s –1 recorded by TDRs. This difference was not statistically significant (t 12 ... ± 0.02 m.s –1) were significantly slower than those measured by TDRs (0.24 ± 0.03 m.s –1, t 10 = –3.851 ... ± 0.07 m.s–1 (n = 6) and 0.17 ± 0.03 m.s–1 (n = 8) for bottles and TDRs respectively. This difference ... with 50 g.m–1 lead integrated into two strands of the ground line – IW-50 lines) were measured during ... with bottles averaged 0.23 ± 0.07 m.s–1 compared to 0.17 ± 0.03 m.s–1 recorded by TDRs. This ... , sink rates measured using the bottle method (0.20 ± 0.02 m.s–1) were signifi cantly slower than those ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 179–187 : Author(s): Wienecke, B. and G. Robertson
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Distribution and size–age composition of Antarctic krill (Euphausia superba) in the South Orkney Islands region (CCAMLR Subarea 48.2).
+, 4+, 5+) dominated in Antarctic Circumpolar Current (ACC) waters in the northern parts. No 1+ age ... cohort was found in catches in 2009 or in 2010. This absence of 1+ E. superba is unlikely to be a result ... of trawl selectivity as adult Pygmy krill (E. frigida) (of the same size as 1+ krill) were present in ... 8°C 7°C 6°C 5°C 4°C 3°C 2°C 1°C 0°C –1°C 8°C 7°C 6°C 5°C 4°C 3°C 2°C 1°C 0°C –1°C ... + 2007 3+ 2006 4+ 2005 5+ males females mm n = 16 845 % 8 7 6 5 4 3 2 1 0 29 30 31 32 ... 57 52 47 42 37 Av er ag e le ng th (m m ) January February March 7 6 5 4 3 2 1 0 –1 –2 ... March 7 6 5 4 3 2 1 0 –1 –2 –3 –4 –5 –6 –7 –8 –9 –10 –11 –12 F/ M Average length of males Average ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 123–134 : Author(s): Sologub, D.O. and A.V. Remeslo
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Status of the coastal stocks of Dissostichus spp. in East Antarctica (Divisions 58.4.1 and 58.4.2)
analysis of local depletion events. Results indicated SSRU vulnerable population sizes of about 100–1 000 ... tonnes per SSRU in the west (Division 58.4.2) and 1 000–1 700 tonnes per SSRU in the east (Division ... allowable catch (1 380 tonnes). File: 03agnew-et-al.pdf ... population sizes of about 100–1 000 tonnes per SSRU in the west (Division 58.4.2) and 1 000–1 700 tonnes ... ) is much lower than the current total allowable catch (1 380 tonnes). Résumé Des pêcheries ... des SSRU s’élève à environ 100–1 000 tonnes par SSRU dans l’ouest (division 58.4.2) et à 1 000–1 700 ... faible que la capture totale admissible actuellement (1 380 tonnes). Резюме Поисковые промыслы видов ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 71–100 : Author(s): Agnew, D.J., C. Edwards, R. Hillary, R. Mitchell and L.J. López Abellán