Résultats de la recherche
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Variations in echosounder calibration with temperature, and some possible implications for acoustic surveys of krill biomass
0.086 Antarctic 16 17 15 15 15 15 Mean Calibrated Transducer Gain, dB (SD) Europe 26.6 ... - see Simrad, 1993 section P2260E, pp. 15-16), which would equate to a 52.5% underestimation of krill ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 273–281 : Auteur(s): Brierley, A.S., C. Goss, J.L. Watkins and P. Woodroffe
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Distribution and size–age composition of Antarctic krill (Euphausia superba) in the South Orkney Islands region (CCAMLR Subarea 48.2).
(0.002% by weight). The size of E. frigida ranged from 15 to 24 mm. All individu- als of E. frigida were ... cohort) of less than 30 mm TL, down to 15 mm in Subarea 48.2 (Krafft and Skaret, 2009; Gulyugin et al ... this study: the trawl used on the Maxim Starostin caught E. frigida with TL of 15–to 25 mm. Had E ... 47–48 49–50 51–52 53–54 55–56 57–58 59–60 61–62 mm % 20 15 10 5 0 –5 –10 ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 123–134 : Auteur(s): Sologub, D.O. and A.V. Remeslo
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Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.1
2007/08 <1 <1 177 10 15 3 197 10 2008/09 <1 108 54 60 2009/10 2 <1 96 51 ... Globalpesca II 5841C 20 3 23 Globalpesca II 5841G 20 1 21 Korea, Republic of Insung No. 2 5841E 15 6 21 ... Insung No. 1 5841E 20 15 35 Insung No. 1 5841G 20 59 79 Namibia Antillas Reefer 5841C 17 7 24 ... No. 701 * Spain Tronio * * * 3.2 Fixed parameter values 15. None available for this ...
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Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.1
22 152 2006/07 69 9 16 170 193 188 2007/08 <1 <1 177 10 15 3 197 10 2008/09 ... Korea, Republic of Insung No. 2 5841E 15 6 21 Insung No. 2 5841G 20 29 49 New Zealand San Aspiring ... , Republic of Insung No. 1 5841C 8 8 Insung No. 1 5841E 20 15 35 Insung No. 1 5841G 20 59 79 Namibia ... 14. None available for this fishery. 4. Stock assessment 15. WG-FSA-08/63 examined expected tag ...
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Growth and age/length structure of populations of Notothenia (Lepidonotothen) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean
life cycle; 15 year old specimens were recorded in our samples. Both sexes of N. squamifrons have high ... 15 years old. Specimens of the younger and older age/length groups generally appeared in small ... Islands. The age of these fish varied from 1 to 15 years. In the first years of the fishery (1969 to 1972 ... ) and 7 to 12 years in the Kerguelen Islands area (153 to 188 g). (Hi) Specimens aged 1 to 15 are ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 123–139 : Auteur(s): Zaitsev, A.K.
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Whales: Trophic modelling of the Ross Sea
Antarctic in summer. Mori & Butterworth (2004) used values equivalent to Q/B=15 y-1 (minke whale) and 8.3 y ... larger than northern hemisphere orca by about 1.1 m (males) and 0.6 m (females), or by about 15 ... period in the wild suggest about 12–16 months, with 15 months the best estimate (Nishiwaki & Handa 1958 ... penguins; 2% crabeater seals; 1% Weddell seals; 5% large demersal fishes; 10% medium demersal fishes; 15 ...
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Schedule of Conservation Measures in Force 1998/1999
Subarea 48.3 Dissostichus eleginoides From 15 April to 31 August 1999 or until the catch limit is reached ... . mawsoni From 15 April to 31 August 1999, or until the catch limit for Dissostichus eleginoides in Subarea ... of 60°S from 15 February until 15 October 1999 or until the catch limit is reached. 166/XVII ... season Division 58.4.3 Dissostichus spp., New longline fishery From 15 April to 31 August 1999 or ...
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Fishery Report: Champsocephalus gunnari Heard Island (Division 58.5.2)
525 1974/75 - - 9 710 1976/77 - - 15 201 1977/78 - - 5 166 1989/90 - - 2 1991/92 - - 5 1992/93 ... Age 4: 358–373 mm SDs related linearly to the mean Yes Bounds on intercept (start, step) 1, 50 (15 ... bootstrap estimates of biomass. Nominal date of survey = 15 July 2007. Stratum Estimate SE Lower CI ... -age 15. An estimate of the proportion of biomass-at-age was calculated and presented in Table 6 ...
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Review of length-weight relationships for Antarctic krill
shows that the results may differ by 15% when using length-weight relationships for kriU at different ... stage M 0.00083 3.561 15-59 114 3B gravid Siegel (1986a) F 0.00115 3.457 15-59 114 3C, D gravid M ... ) December 0.00086 3.551 15-59 250 gravid Siegel (unpubl. data) January 0.00205 3.325 23-60 228 gravid ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 145–155 : Auteur(s): Siegel, V.
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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 ... estimate (max) Conservative scale factor 48.1 15 892 735 2 950 000 5.39 5 812 500 2.73 48.2 24 638 ... Regional scale total 60 296 425 8 459 304 7.13 15 397 067 3.92 * There was no local monitoring program ... Is krill management precautionary? limits. Rates above 9.3% occurred in 3 of 15, 2 of 16, and 5 of ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Auteur(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