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Quantifying vessel performance in the CCAMLR tagging program: spatially and temporally controlled measures of tag-detection rates
rates. Sensitivities that used space windows of 10, 50, 100 and 200 km were also in- vestigated. The ... , 50 or 75% of their recaptures randomly, repeating each process 10 times. Results showed that, as ... detection rate index corresponds to the 10 simulations carried out, excluding confidence intervals ... –0.75 50 0.54–1.21 75 1.13–1.43 100 1.66 10 25 0.19–0.43 50 0.44–0.77 75 0.73–1.01 100 ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 73–80 : Autor(es): Mormede, S. and A. Dunn
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Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines
, 1997). A total of 10 000 replicates were performed on randomly sampled differences of mean CPUEs ... with 10 000 replicates. Depredation case Mean CPUE loss ± SE (g hook–1) Cd Cu E (hooks) Bloss ... (° S ) 44 45 46 47 48 Gasco et al. 10 consistent estimates. Spatial CPUE comparisons ... GLMMs in further studies. This study spans a total of 10 years to estimate losses, which gives a more ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Autor(es): Gasco, N., P. Tixier, G. Duhamel and C. Guinet
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New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf of the Kerguelen Islands
(one station per 5' latitude X 10' longitude rectangle) used, both with the Bongo sampler and the ... - - - ' , ' i " " " ' " " " ' I " " 0 10 20 30 Total length (cm) Figure 2: Quarterly LFDs for C. gunnari ... J l l l l l / , , , 3 I " " " " I " " . I ' I ' ' " ' E a 0 10 20 30 2. 0 Total length ... 10 surveys of the inner shelf (Figure 5). Values range from 9 to 2 499 C. gunnari per hour of ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 21–34 : Autor(es): Duhamel, G
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Catch per unit effort (CPUE) data from the early years of commercail krill fishing operations in the Atlantic sector of the Antarctic
28 $18 3 702 33 1 950 226 20 9 599 1 217 109 7 915 652 135 5 340 1 856 10 RESULTS ... differences in the efficiency of various types of vessel opcrations). CPUE values in Table 1 exceeding 10 ... 48.3 only (see also Figure 64. CPUE SE N 10 079 1 250 163 5 698 678 186 4 923 366 122 12 516 ... et al. 10 20 30 40 50 60 70 Total length (mm) 10 20 30 40 50 60 70 Total length (mm) Figure ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 31–50 : Autor(es): Siegel, V., V. Sushin and U. Damm
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Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys
distribuidas a 10 largo de las costas de las islas Shetland del Sur y Orcadas del Sur. Las capturas de kril ... aumentos considerables de las capturas es muy probable que ocurra antes de 10 que se podria esperar en ... species is estimated as within a 10 to 90 km radius of breeding sites at these times of year: Ad6lie ... (Trivelpiece et al. (1986),25 to 50 km (CCAMLR, 1990); gentoos 10 km (Croxall et al., 1984), 17 km ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 287–303 : Autor(es): Agnew, D.J.
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Areas of seabed within selected depth ranges in CCAMLR Subarea 48.3, South Georgia
°52' - 54°42' 53°36' - 54°58' 53°10' - 54°59' 53°50' - 54°25' 54°00' - 54°15' 54°02' - 54°20' 54 ... (degrees West) 30°00' - 45°00' 30°00' - 45°00' 36°25' - 37°15' 35°40' - 36°10' 35°38' - 36°36' 37°04 ... ' - 38°27' 37°35' - 38°02' 37°10' - 37°56' 36°53' - 37°22' 36°27' - 37°05' 36°10' - 36°42' 35°55 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 459–466 : Autor(es): Everson, I. and S. Campbell
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Patterns and processes in the distribution and dynamics of Antarctic krill
attraction of krill to account for the small-scale aggregations. File: 07-Levin-et-al.pdf ... are further aggregated into concentrations or patches over a large spatial extent of the order of 10 ... water temperature in the Antarctic Ocean south of Africa. Deep-Sea Research 33 (10): 1327-1343. 288 ... Figure 1: 10-3 0.01 .10 Cycles/Km 1.00 Mean spectral plots for krill, in vivo fluorescence, and ... .' .' ........ "'" ........................... 6 8 10 DISTANCE (km) ...... 12 , .' .' 14 Figure 6: Semivariogram of log10 krill ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 281–299 : Autor(es): Levin, S.A., A. Morin and T.M. Powell
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A generalised model for evaluating yield and the long-term status of fish stocks under conditions of uncertainty
captura y por 10 tanto permite que se hagan evaluaciones del rendimiento para pesquerias existentes. Como ... year to numerically solve equation 10, in the absence of fishing, to determine the approximate median ... fishing mortality in each year 0.4 - 1.0 constant = 1 38-42 10 none 1.5 1E-05 L, K No of ... -exploitation spawning biomass at some time over the 20-year projection period is equal to 10%. + Values in ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 31–54 : Autor(es): Constable, A. and W.K. de la Mare
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Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined with various codends
Island was too scarce to fit the ogive (Figure 9). - 10 - The selectivity ogive for Scotia Sea ... South Georgia and South Shetland Islands (Figure 10). Although the curves were characterized by an ... steel on tape 3.5 x 20 braided no finish 102 outer chafer steelon twisted JJ 10 braided no finish 120 ... Georgia 7 1 663 1 093 notothenia South Shetland IS. 8 10 609 4 253 Elephant I. Scotia Sea South ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 1-48 : Autor(es): Zaucha, J.
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Significant intra-annual variability in krill distribution and abundance at South Georgia revealed by multiple acoustic surveys during 2000/01
and west survey boxes suggested that semivariance reached a plateau at a range of less than 10 km ... . Since our original transects were spaced more than 10 km apart, relationships between data points from ... chose to retain every other of the 10 transects from the original pre-2000 design (see Brierley et al ... canyon. Stations were placed at 10 km intervals along this long transect, with the intention of ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 71–82 : Autor(es): Brierley, A.S., C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst