Résultats de la recherche
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Operational interactions of sperm whales and killer whales with the Patagonian toothfish industrial fishery off southern Chile
fi shing grounds, six sight- ings of 10 sperm whales were made, fi ve of sea lions and two of fur ... observed in only 10% of these. Figure 3: Number of individuals of most recurrent cetacean species – (a ... Sep Oct Nov Dec Month S pe rm w ha le s (in di vi du al s) 0 10 20 30 40 50 60 70 ... 80 90 E ffo rt ( ha ul s ob se rv ed ) (a) 0 5 10 15 20 25 30 35 40 45 Jan Feb ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 127–140 : Auteur(s): Hucke-Gaete, R., C.A. Moreno and J. Arata
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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 : Auteur(s): Everson, I., D.G. Bone, J.L. Watkins and K.G. Foote
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Acoustic estimates of krill density at South Georgia, 1981 to 1998
density estimate falling within the 95% confidence limits of the mean arising from 10 transects, we ... conducted the following simulation. Using individual transect means for the 10-transect surveys exhibiting ... combinations in which four transects could be selected from 10. The 210 four-transect means resulting from ... mean for all 10 transects. RESULTS Best estimates of krill density at South Georgia from 1981 to ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Auteur(s): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson
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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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): Agnew, D.J.
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VME Taxa Classification Guide
. Colony size can be 10–20 cm in diameter These are stalked (goose barnacles) and non-stalked (acorn ... spherical, rigid structure, typically 2–10 cm in diameter. Covered with small spines and 10 distinct ... invertebrates in New Zealand waters. New Zealand Aquatic Environment and Biodiversity Report No. 10. 282 p ... www.ccamlr.org/pu/e/e_pubs/VME_guide.pdf CCAMLR VME Taxa Classification Guide Conservation Measure 22-07 ...
Document : Site Section: Publications
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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 : Auteur(s): Everson, I. and S. Campbell