Search results
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A generalised model for evaluating yield and the long-term status of fish stocks under conditions of uncertainty
p o c ~ , C M C P T H O C T ~ , S ~ B I I C R U I Y I O OT ~ o s p a c ~ a CeneKTMBHOCTb I? Ce30HHbIe TeHACHL(I?I? ~ P O M ~ I C ~ O B O ~ ~ CMePTHOCTII ... . Pe3yJIb~aTbl MOneJIM CpaBHMBaloTCR C pe3yJIbTaTaMW MMeIoUHXCX aHanII30B MOAenI? BbIJIOBa KpMJIX. B 3TY ... monthly (30-day) intervals where the krill grow in the first three months (90 days), the median spawning ... (a) 1.21 I 0 10 20 30 40 50 60 Length (mm) Selectivity (b) 1.6 1 1 0 2 4 6 Age (years) Relative ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 31–54 : Author(s): Constable, A. and W.K. de la Mare
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Beyond MSY: a consideration of definitions of management objectives
indeterminate but certainly less than 30% of the biggest observed stock. Bearing in mind that all these stocks ... (Csirke and Sharpe 1984) suggests that MNR for clupeoid species occurs at stock sizes some 30-50 ... any desired percentage (say 30%) of that in the unexploited stock. Further, the nature ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 299-322 : Author(s): Gulland, J.A.
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Fitting Euphausia superba into Southern Ocean food-web models: a review of data sources and their limitations
are the wet mass m–2 (i.e. bio- mass density) and no. m–2 (numerical density). The current paradigm ... 2) sample from the near surface (typically ~10 m depth for acoustics) down to ~200 m and in areas ... estimates for this area (see Table 2). Survey CCAMLR Area (see Figure 1) Area surveyed (million km2 ... outdated method for estimation of krill biomass Atkinson et al. 222 Table 2: Estimates of total ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 219–245 : Author(s): A. Atkinson, S. Nicol, S. Kawaguchi, E. Pakhomov, L. Quetin, R. Ross, S. Hill, C. Reiss, V. Siegel, G. Tarling (submitted to the 2008 Joint CCAMLR-IWC Workshop)
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Feeding and food intake of Electrona carlsbergi (Tåning, 1932) Myctophidae
egale a environ 15 fois le poids du corps du poisson. Pe3lOMe B JIeTHe-oceHHHti ce30H BH,lI ... of reproduction and feeding of Myctophidae in the Southwest Atlantic. Voprosy ikhtiologii, 30 (2): 229-237. 413 ... the day. Local Time Time Span Variation in Total (hours) Index of Fullness (0/000) 0.30 - 07.30 ... 7 7.9 - 21.00 7.30 - 09.30 2 21.0 - 47.0 9.30 - 10.30 1 47.0 - 50.4 10.30 - 12.30 2 50.4 - 4.2 12.30 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 411–416 : Author(s): Gerasimova, O.V.
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Analysis of haul data from the South Georgia krill fishery
CCAMLR Science, Vol. 5 (1998): 9-30 ANALYSIS OF HAUL ... hauls was significantly different for the different months of the season (Fs30a = 16.90; F4,z822 ... "30fW), a two-sample T-test based on 10 daylight hours (hours 0700 to 1659) and 14 night-time hours ... -30. Hamner, W.M., P.P. Hamner, S.W. Strand and R.W. Gilmer. 1983. Behaviour of Antarctic krill ...
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
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Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea
) Ltd Private Bag 14-901, Kilbirnie Wellington, New Zealand Email – m.francis@niwa.co.nz Abstract ... ) reach about 30–35 cm total length at age 2+ (Horn, 2002), compared with A. georgiana which grows ... the bands and lead to greater counting precision. Ob tain ing samples of small skates (PL less than 30 cm ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 183–194 : Author(s): Francis, M.P. and C. Ó Maolagáin
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Distribution and relative abundance of juvenile icefish (Champsocephalus gunnari) from a trawl survey of the South Georgia shelf in June–July 1985
r. B paifoHax II1en bcpa H CKnOHa, BbIcTyrraKlU\HX 3a rrpeAenbI OXpaH5IeMOH 12 -MHn bHOH 30HbI BOKpyr KmmoH ... yqaCTKH BHYTPH 12-MHJIhHOH 30HbI. * * * * * * * * * * - 58 - DISTRIBUTION AND RELATIVE ABUNDANCE ... opening of the trawl was 8 m; the vertical opening was 6 m. The area covered in 30 minutes was 0.004416 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 55-63 : Author(s): Boronin, V.A., G.P. Zakharov and V.P. Shopov
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By-catch of fish in longline catches off the Kerguelen Islands (Division 58.5.1) during the 1995/96 season
to 30 April 1996 over the depth range 300 to 1 700 m. Bottom longlines, carrying 3 800 hooks each ... Experimental Deep-sea Fishing Cruise 17 Feb 96 - 30 Apr 96 300 - 1 700 % 0 0 0.01 0.64 ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 175–193 : Author(s): Duhamel, G., P. Pruvost and D. Capdeville
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Target strengths of Antarctic krill (Euphausia superba)
SC-CAMLR-VII/BG/30 TARGET STRENGTHS OF ANTARCTIC KRILL ... kHz TS (dB} at 120 kHz Event Mean no. - no. 1 7 1 9 20 26 28 30 36 37 43 47 50 52 54 ... 132 -74.5 -47.3 132 23h16m 351 33.7 33.3 4.8 100 -82.8 -56.1 206 -76.2 -47.4 206 23h 1m 752 30 ... .5 30.4 2.4 300 -87.8 -57.3 202 -77.3 -46.2 202 38h38m 390 29.7 29.6 2.2 100 -83.6 -56.4 189 -74.6 -46.3 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 265–279 : Author(s): Everson, I., D.G. Bone, J.L. Watkins and K.G. Foote
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Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed distribution around South Georgia
operated in water depths of about 200 and 500 m over a restricted area of about 30 x 20 km. There were ... . Environment-krill relations in the South Georgia marine ecosystem. CCAMLR Science, 3: 13-30. Hydrographic ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Author(s): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt