Search results
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Observation of seabirds in the Southern Ocean in 1988/89
two. The average speed was about 15 knots and the distance between two sequential observations ... in an area of new pan-ice from 10 to 15 cm thick; ice density was from 8 to lOpoints. The smallest number ... was observed in the Indian Ocean sector to the north of 65° to 63°S and its numbers on occasion reached 15 ... 526 to form flocks consisting of 15 to 20 birds and were sighted in ice massifs near Antarctic ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 521–542 : Author(s): Vagin, A.V. and V.V. Popov
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Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
catch limits for Subareas 48.1 to 48.4. These limits are 25%, 45%, 45% and 15% of the trigger level ... 9.7 119.1 2007 32.4 61.1 2008 16.8 2009 16.1 28.8 2010 13.3 15.1 2011 13.2 212.8 59.0 2012 ... ) 0.15 0.53 39 Is krill management precautionary? Is current management precautionary ... 15 892 735 2 950 000 5.39 5 812 500 2.73 48.2 24 638 790 5 480 370* 4.50 8 137 530 3.03 48.3 17 211 ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Author(s): Hill, S.L., A. Atkinson, C. Darby, S. Fielding, B.A. Krafft, O.R. Godø, G. Skaret, P.N. Trathan and J.L. Watkins
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Assessment and tag program adaption methods for exploratory fisheries in the CAMLR Convention Area: an example application for Division 58.4.3a
, as the CV will scale pro- portionally with the square root of the dispersion: 1 1 2 T CV N T T . (15 ... ) The expression for the CV in abundance in equa- tion (15) now contains only the number of releases (via the tags ... the number of releases. Indeed the expression in equation (15) is simply a slightly more complex version ... abundance CV using the formula in equation (15) to the actual CV in abundance as predicted ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 101–113 : Author(s): Hillary, R.M
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[node:field-journal-volume]:37-51
of 15 years), and a few species are slow growing and very long lived (e.g. Bergstad, 1995; Andrews et ... specimens. Mean total lengths at maturity were estimated to be 46 cm (15 cm snout–vent length) for males ... for M. whitsoni 44 Marriott et al. 0 10 20 30 40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 45 50 ... % 20% 30% 40% 50% 60% 70% 80% 90% 100% 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 ...
Science Journal Paper : 37–51
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Species identification and age estimation for the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea
of 15 years), and a few species are slow growing and very long lived (e.g. Bergstad, 1995; Andrews et ... specimens. Mean total lengths at maturity were estimated to be 46 cm (15 cm snout–vent length) for males ... for M. whitsoni 44 Marriott et al. 0 10 20 30 40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 45 50 ... % 20% 30% 40% 50% 60% 70% 80% 90% 100% 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 37–51 : Author(s): Marriott, P., P.L. Horn and P. McMillan
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Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica
CCAMLR Science, Vol. 15 (2008): 139–165 139 ... in the Ross Sea, Antarctica Introduction There are about 15 species of icefish (Chan- nichthyidae), all ...
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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Low genetic diversity in the Antarctic toothfish (Dissostichus mawsoni) observed with mitochondrial and intron DNA markers
) with Smith and Gaffney 46 15 restriction enzymes (Alu I, Ava II, BstN I, BstU I, Cfo I, Dpn I, Hae III ... haplotypes and 15 variable nucleotide positions (Kuhn and Gaffney, unpubl.). Although cytochrome ... wide dispersal across the range of the species. Small juvenile (4–15 cm long) D. mawsoni are believed ... antarcticum) in surface waters (0–100 m) over bottom depths of 400–2 000 m; while larger immature fi sh (15 ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 43–51 : Author(s): Smith, P.J. and P.M. Gaffney
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Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data
, and the range during each month tended to be smaller than that in the same months in SO (15–83 m) (Table ... K NI T 0 5 10 15 20 25 Jan. 0 20 40 60 NIT DWN MTW SRS MRN DAY AFT SST ETW DSK NIT ... Jul. 25 20 15 10 5 0 16 12 8 4 0 0 40 80 120 0 40 80 120 160 200 0 80 160 240 ... T 0 5 10 15 20 25 Jul. 0 40 80 120 160 NIT DWN MTW SRS MRN DAY AFT SST ETW DSK NIT 0 4 8 12 16 ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 163–172 : Author(s): Taki, K., T. Hayashi and M. Naganobu
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Areas of seabed within selected depth ranges in CCAMLR Subarea 48.3, South Georgia
' - 54°42' 53°36' - 54°58' 53°10' - 54°59' 53°50' - 54°25' 54°00' - 54°15' 54°02' - 54°20' 54°14 ... ' - 54°33' 54°20' - 54°33' 54°05' - 54°23' 54°03' - 54°23' 53°50' - 54°15' Longitude Range ... (degrees West) 30°00' - 45°00' 30°00' - 45°00' 36°25' - 37°15' 35°40' - 36°10' 35°38' - 36°36' 37°04 ... 0.0 0.0 3599.2 54 0 40 0.0 0.0 0.0 0.0 0.0 0.0 3599.2 54 0 39 0.0 0.0 15.8 260.6 457.5 482.7 2382.6 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 459–466 : Author(s): Everson, I. and S. Campbell
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The status of krill (Euphausia superba DANA) resources in CCAMLR Statistical Divisions 58.4.2 and 58.4.3 from 1988 to 1990. Results of acoustic surveys
(5 to 6 shoals per mile) of up to 200 m in length and 15 m deep were most frequent. Dispersed concentrations up ... to be 0.8±O.15 g/m2. The most stable concentrations of krill (5500 g/m2 maximum) were observed over ... °30' to 67°08'S 53800 25 4 167 9.0±1.5 0.8±0.15 (February to early March) flJo to 690£ Table ... ' 15' 76' ..- $ Figure 2: Density ofkri1l in February/early March 1989 (macro- and-meso-scale surveys ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 163–173 : Author(s): Bibik, V.A. and V.N. Yakovlev