Search results
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Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997
they may account for 20% of the total mass (Kock, 1992; Everson et al., 1996). Arising from this, we ... as a percentage increases, in the case of female Antarctic fish, to over 20% in the months leading up ... sampled in 65 months on the South Georgia shelf and 2 160 sampled in 20 months from the Shag Rocks shelf ... 80-Jan 81 No sample (Feb 81 normal) Nov 82 Nov 83-Jan 84 Nov-Dec 85 No sample Sept 87 June 90 ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Author(s): Everson, I. and K.-H. Kock
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Factors affecting the incidental mortality of seabirds in the Dissostichus eleginoides fishery in the southwest Atlantic (Subarea 48.3, 1995 season)
Observation (Conservation Measure 80 / XIII). As a result of this and of the participation of Argentina ... /20. CCAMLR, Hobart, Australia. Dalziell, J. and M. de Poorter. 1993. Seabird mortality ... Cientifica de la pesca de Dissostichus eleginoides a bordo del BP Arbumasa XXIII en la Subarea 48.3 (20 de ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 79–91 : Author(s): Moreno, C.A., P.S. Rubilar, E. Marschoff and L. Benzaquen
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Methodology of data collection on net selectivity and accidental mortality of fish passing through the mesh of the codend
@ - OT 0 ~o 145 MM. HOMep ~yrra o 1 2 3 4 ,IJ;Hana30H 0-55 65-100 105-145 H3MepeHHR, MM 30-80 90 ... 6 16 26 7 17 27 8 18 28 9 19 29 10 20 30 - 114 - ___ .n, ____ _6~ _ '\_ h -y. a l cl ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 99-121 : Author(s): VNIRO (USSR)
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Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic Peninsula region
(1984) based their calculations on a three year life span of krill. Their age group 1 (20 to 43 mm ... ), for example, supported data on length frequencies from whale stomachs and found high abundances of 20 to 30 ... (Stein, 1979; Wittstock and Zenk, 1983; Nowlin and Zenk, 1988). An average velocity of 20 cm/sec ... 89 80 Total Biomass (106 tonnes) 0.905 0.053 1.651 1.160 Table 3: Results of distribution mixture ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 159–176 : Author(s): Siegel, V.
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Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic
1 and 12 tooth- fi sh, ranging in size from 70 to 130 cm (4 to 20 kg) were found in sperm whale stomachs ... 12.8 43 28.9 0 0 C 496 32 6.5 87 17.5 73 14.7 D 338 20 5.9 138 40.8 6 1.8 E 209 12 5.7 34 16.3 75 ... 78 24.5 20 6.3 J 712 30 4.2 119 16.7 14 2 K 346 12 3.5 18 5.2 7 2 L 238 8 3.4 167 70.2 2 0.8 ... 1 361 43.2 2–3 47 25.3 2 265 31.7 4–5 25 13.4 3 146 17.5 6–8 34 18.3 4–5 56 6.3 9–10 20 10.8 ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 111–126 : Author(s): Purves, M.G., D.J. Agnew, E. Balguerías, C.A. Moreno and B. Watkins
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Preliminary model of krill fishery behaviour in Subarea 48.1
) and the South Shetland Islands (Subarea 48.1). Although only about 20% of the South Atlantic catch has been ... ; about 80 000 tonnes is taken annually. These catches are concentrated around the shelf break just ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 71–79 : Author(s): Agnew, D.J. and V.H. Marín
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A risk-management framework for avoiding significant adverse impacts of bottom fishing gear on Vulnerable Marine Ecosystems
Unlikely (3) 0 3 6 9 12 15 Possible (4) 0 4 8 12 16 20 Likely (5) 0 5 10 15 20 25L ik el ih oo d Almost ... a l., 20 04 ) D ir ec t P re se nc e of V M E - fo rm in g or ga ni sm s B en th ic ... s in A la sk a (H ei fe tz , 20 02 ) In d ir ec t Pr es en ce o f h ab it at fe at ur ... . 2008b. CCAMLR Statistical Bulletin, Vol. 20 (1997–2007). CCAMLR, Hobart, Austra- lia: 265 pp. CCAMLR ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 177–193 : Author(s): Martin-Smith, K
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A proposed management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
a 20-year period, and in particular the following four statistics which were intended to capture key ... features of the trade-off choices to be made: Catches achieved Average annual catch: 2026 2007 1 20 ... Industrial stability Average annual catch variation: 2026 1 12007 1 20 y s s ys s yy C C AAV ... the reference set OMs. The probability of Bsp falling below 20% of Ksp within the 20-year projec- tion period ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 33–69 : Author(s): Brandão, A. and D.S. Butterworth
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Low breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 season
as 'local' trips was identified as an outlier (Student-Newman- and those extending beyond 80 km as 'distant ... at the eastern side behaviour have been previously determined (Clarke of the island on 20 February ... 3). 20-24 Feb 1 25 Feb-l Mar I 2-6 Mar Mean foraging trip durations for males and females (using ... strategies. Polar Biol., 20 (4): 248-258. Crawford, R.J.M. and B.M. Dyer. 1994. Responses by four seabird ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 151–167 : Author(s): Irvine, L.G., J.R. Clarke and K.R. Kerry
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Analysis of haul data from the South Georgia krill fishery
hauls separated by distances of less than 2 km, and most (80%) separated by less than 7 km ... varied considerably. The proportion of medium- to large-sized catches (10 000-20 000 kg) was lowest ... in a narrow band approximately 20 km wide along the northern shelf (Figures 3, 4 and 5), particularly ... - E $ 600 -- a 0 - , , , , , , , 0 4 8 12 16 20 1200 1000 - 800 - 600 0 0 4 8 12 16 20 Hour ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 9–30 : Author(s): Trathan, P.N., I. Everson, E.J. Murphy and G.B. Parkes