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Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data
(spatial scale 100 m) which then aggregate into concentrations of krill (spatial scale 10 nm) in a large ... " aggregate. Figures 10 and 11 show the results of this approach. Although circles are drawn in these figures ... , running the survey portion of the model developed in Mangel (1989) showed that the bias was only about 10 ... the majority of computations reported below v=10 kt; the other parameters are determined by the data ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 283–322 : Autor(es): Mangel, M.
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Analysis of results from demersal fish surveys at South Georgia, undertaken by the United Kingdom and the USSR, January and February 1990
946536 N=16 250 to 500 m 4553 N=10 Total 951895 N=33 CV=70% South Georgia Total 970848 N=70 CV=69 ... % The different systems of stratification do not change the results by more than 5 or 10%. These ... N=10 Total 302220 N=32 CV=49% South Georgia Total 321173 N=69 CV=46% The above analyses ... the extremely large hauls. Its validity for the intermediate sized hauls, between about 1 and 10 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 223–254 : Autor(es): (Report of a Joint UK/USSR Workshop, 23 to 27 July 1990)
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By-catch of fish in longline catches off the Kerguelen Islands (Division 58.5.1) during the 1995/96 season
almost equal (52% versus 48% respectively, n = 129) from 10 random samples used for length frequency ... 22 to 65 cm, a mode of 52 cm and a mean length of 45.9 cm (Figure 10). Specimens of L. sqt ... . Initial random samples ( n = 10) suggest that the first mode relates mainly to B. eatonii and the ... Total length (cm) Figure 10: Size distribution of Ant imora rostrata caught during experimental ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 175–193 : Autor(es): Duhamel, G., P. Pruvost and D. Capdeville
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Revised estimates of seabed areas within the 500 m isobath of the South Orkney Islands (subarea 48.2) and consequences for standing stock biomass estimates of nine species of finfish
extracting component depth strata. Seabed areas for 10 strata were computed from 0 to 500 m at 50 m ... the 10 strata. Table 2 summarises the number of polygons and average slopes for each of the 10 depth ... stratum size, as computed in equations 1 and 2 (i.e. a 10% increase in stratum size results in a 10 ... reduced by over 30% while the point estimate increased by about 10%. Because confidence limits about ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 197–204 : Autor(es): C.D. Jones
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Preliminary results of research activities of RV Evrika in the Scotia Sea in January-March 1988
" . ' .• T5.1~ .iI.97. <01 itS' .&5,S9,u .10It f!' , 17 I 99 .oD f5~ ,,105 .10' ,IU ,122 olH ,11" ,Ill ... 15 14 • ,11 ,21 ',7 (.!) '. I? 10 18 5 G ? , • '4 I. Network of survey stations (30 March-9 ... . ~ -/:>. Figure 6: . '~~'? J-}-;,\ '0'/,0 J ~l 'CJ { 0 I )(J.IU -~ r -1000 M : c=J o-j c:::J HO c=J 10 ... ~ 10·50 g 5-10 D 0-5 _ >500 Figure 8: 226 Krill concentrations off South Shetland Islands (a ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 215-229 : Autor(es): Maklygin, L.I., A.S. Fedorov, V.N. Shnar, Yu.A. Shulyakovsky, I.V. Krasovsky, Yu.D. Shuvaev and A.V. Kromsky
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Age determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula subarea (Subarea 48.1)
10 years and from 5 to 13 years, respectively. Comparison of mean length at certain age groups ... Total ~ Length ot s Length ot s 20.6 5 5/6 18/6 4 4/5 23 6 6 20.3 5 6 29.3 9 10 22.9 5 6 29.4 8 9 ... 24.2 6 5 31 1 0 10 24.7 6 6 31.6 1 0 11 25.1 6 6 25.6 7 7 29.9 9 9 30.1 9 10 31.2 9 9 31.7 1 0 ... 9/10 32.3 1 0 10 33.2 1 0 11 151 ....- Ul tv Table 2: Age group 4 5 6 7 8 9 1 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 143-160 : Autor(es): Barrera-Oro, E.
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Archival and satellite-linked data recorders
mantienen un registro completo de los parametros de zambullida de interes y producen por 10 tanto registros ... , which is equivalent to one depth reading every 10 seconds for one month. Because the unit employs a ... interruption by diving, breaking waves, etc. - 482 - 3. Transmissions must span a period of 5-10 minutes ... recovery Reference penguin depth 70x45xl0 30 film & radio- active beads < US$ 10 develop ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 475-493 : Autor(es): Hill, R.D.
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Analysis of changes in biomass of fish stocks in the South Georgia area in 1976/77-1986/87
- 185 - SC-CAMLR-VI/BG/40 (WG-FSA-87/10) ANALYSIS OF ... seasons (1976/77 and 1977/78) 10-year old fish and older predominated in the catch. Their share ... " 537 24 839 250-500 9 352 224 4 115 3 510 18 201 Total 13 815 864 2 963 15 351 10 047 43 040 1978 ... 41 950 250-500 2 845 7 020 9 065 Total 10 129 820 2 845 J2 774 7 020 53 588 1984/85 50-150 237 1 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 185-211 : Autor(es): Mucha, M. and W. Ślósarczyk
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Estimation of natural mortality using catch-at-age and aged mark-recapture data: a multi-cohort simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation.
( ) ( ){ } 1, 1 , 1 , exp 1 exp t a t a t a N N M C M M + + - = - ¢ ¢- - - (10) where M' = qM. So ... - tion and catch numbers-at-age (i.e. equations (3) to (10)). However, the process is made difficult by ... of 100 hauls where across hauls the expected num- ber of fish released was 10 giving 1 000 releases ... -function loess) Candy 10 fitted to the values of L. The PMLE of M obtained by taking the minimum of ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 1–27 : Autor(es): Candy, S.G.
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Target strengths of Antarctic krill (Euphausia superba)
IO)I{Hoti reOprHH. Pe3y~bTaTbI nOKa3bIBaroT, lITO Be~HlIHHbI CH~bI u,e~H 6bI~H npH6~H3HTe~bHO Ha 10 ... aproximadamente 10dB mas bajos de 10 que previamente se habfa supuesto. 265 1 . INTRODUCTION Euphausia ... 120 kHz modes together with UNIVERSAL SONAR transducers, each with nominal 10 deg beamwidth ... nominal 10 deg beamwidth. Integration of the squared echo signals was performed with the SIMRAD OD ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 265–279 : Autor(es): Everson, I., D.G. Bone, J.L. Watkins and K.G. Foote