Résultats de la recherche

1. 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

2. 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

3. Krill (Euphausia superba Dana) resources and distribution in the Wilkes Land area in the seasons 1986 to 1989

   commercial-sized trawl with a vertical opening of 42 to 44 m. Mesh size in the codend was 10 mm. A trawl ... , the third includes the southernmost extremity of the continental slope from 64°10' to 65°00'S and the ... 41 9.4 283 11.6 2 to 4 April 10 1988 73 5.2 195 14.2 7 to 10 April 11 1989 367 16.4 504 185.2 ... 1988 12 2.8 113 1.4 5 February 6 1988 10 5.0 410 4.1 6 to 7 February 7 1988 274 40.0 1430 392.5 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 149–162 : Auteur(s): Dolzhenkov, V.N. and V.P.Timonin

4. Fishery Report 2014: Exploratory fishery for Dissostichus spp. in Division 58.4.3a

   for the progression between stages. 10. In order to obtain the data necessary for a stock ... all the fish that are caught by that vessel. Each vessel catching more than 10 tonnes of each species ... . Values for the tag-overlap statistic are not calculated for catches of less than 10 tonnes (*). Tbs ... . taken by a single vessel in any two 10-day periods exceeds 1 500 kg in a 10-day period and exceeds 16 ...

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5. Fishery Report 2017: Exploratory fishery for Dissostichus eleginoides in Division 58.4.3a

   fisheries (see Appendix 1). Biological data 10. The collection of biological data under CM 23-05 is ... . Each vessel catching more than 10 tonnes of each species of Dissostichus is required to achieve a ... catches of less than 10 tonnes (2007–2014) or less than 30 fish tagged (since 2015) (*). - indicates that ... days. 20. If the catch of Macrourus spp. taken by a single vessel in any two 10-day periods exceeds ...

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6. 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

7. Fishery Report 2018: Exploratory fishery for Dissostichus eleginoides in Division 58.4.3a

   Appendix 1). Biological data 10. The collection of biological data under CM 23-05 is conducted as part ... . Each vessel catching more than 10 tonnes of each species of Dissostichus is required to achieve a ... . Values for the tag-overlap statistic are not calculated for catches of less than 10 tonnes (2007–2014 ... Macrourus spp. taken by a single vessel in any two 10-day periods exceeds 1 500 kg in a 10-day period and ...

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8. 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

9. 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

10. 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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