Résultats de la recherche

1. Sensitivity investigation of the SDWBA Antarctic krill target strength model to fatness, material contrast and orientation

   angle φ (i.e. Demer and Conti, 2003): 12 1 1 2 ( ) ( ) e 4 J (2 cos ) d cos pos j pos i bs ... j r j tilt pos tilt kf a k a κ ρφ γ γ β β - ×= -ò k r r     (1) where km = 2πf ... /cm is the wave number in the medium m with the subscripts 1 and 2 refer- ring to the surrounding ... mass density, ( )2 21 1 2 2 1c cκγ ρ ρ= - related to the compressibility 21/ ( )i i icκ ρ= , 1k ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 97–122 : Auteur(s): Calise, L. and G. Skaret

2. A hybrid approach to acoustic classification and length estimation of krill

   a fl uid sphere (Johnson, 1977): 44 2 / / 42 / 1/4 4 / 4 / /2 / 1.5 ; 1 1.5 1 ; 1 1.5 1 ... each of the organisms in the dominating sound-scatter volume at the frequency j if f ; • km = (2π/c ... approximately the input/output values: 1 2 44 1 1 2 4 44 2 2 1.5 , 1 2; 1.5 , 2 1 m r r r m r r a k f a ... sharper than the second. The sensitivity of Δfj / fi to afj / fi is given by: 2 4 4 3 / 22 4 4 / 4 ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 33–58 : Auteur(s): Azzali, M., I. Leonori and G. Lanciani

3. Fishery Report: Exploratory fishery for Dissostichus spp. (TOT) in Subarea 48.6

   1.2 IUU catch ........................................................................... 2 1.3 ... Size distribution of catches ........................................................ 2 2. Stocks ... exploratory. 2. The limits on the exploratory fishery for Dissostichus spp. in Subarea 48.6 are described ... D G A 48.6 48.4 58.4.2 58.4.4 TOT 48.6 2 200 tonnes; final reported catch: 190 tonnes ...

   Document : Site Section: Publications

4. Fishery Report: Champsocephalus gunnari Heard Island (Division 58.5.2)

   Size distribution of the catches .................................................... 2 2. Stocks ... 1973/74 - - 7 525 1974/75 - - 9 710 1976/77 - - 15 201 1977/78 - - 5 166 1989/90 - - 2 1991/92 ... 1 160 2 1999/00 2 916 137 2000/01 2 1 150 1 136 2001/02 2 885 865 2002/03 2 2 980 2 345 2003/04 ... 2 292 78 2004/05 2 1 864 1 851 2005/06 1 1 210 660 2006/07 1 42 1 2007/08 1 220 199 2008/09 1 ...

   Document : Site Section: Publications

5. Revised age and growth estimates for Antarctic starry skate (Amblyraja georgiana) from the Ross Sea

   in the previous study by Francis and Ó Maolagáin (2005). Reader 2 (M.J. Gallagher) developed the ... larger sample size. Reader 2 aged a subset of 100 thorns four times: the first reading was considered a ... of his previous counts. Reader 2’s fourth reading was used as his age estimate. Counting began ... regarded as clear and unambiguous (readability 1 or 2). Within-reader comparison indicated a high pre ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 211–220 : Auteur(s): Francis, M.P. and M.J. Gallagher

6. Annual changes in species composition and abundance of myctophid fish in the north of South Georgia (Subarea 48.3), Antarctica, during austral winters from 2002 to 2008

   Agency 2-12-4 Fukuura, Kanazawa-ku, Yokohama Kanagawa, 236-8648 Japan Abstract Species composition ... : 44 34 76 13 2 66 26 10 2 M yc to ph id ae 38 .6 32 .4 67 ... .8 34 .1 9. 1 69 .2 52 .0 E. a nt ar ct ic a 0. 0 5. 9 17 .8 ... 38 .5 11 .8 G . b ra ue ri 2. 3 2. 9 2. 2 0. 0 0. 0 0. 0 0 ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 155–163 : Auteur(s): Iwami, T., M. Naganobu, K. Taki and M. Kiyota

7. Fishery Report: Dissostichus eleginoides Heard Island (Division 58.5.2)

   1.2 IUU catch ........................................................................... 2 1.3 ... Size distribution of catches ........................................................ 2 2. Stocks ... 58.5.2 for the 2009/10 season was 2 550 tonnes (CM 41-08) for the period from 1 December 2009 to 30 ... 1995/96 - 297 0 0 0 0 0 0 1996/97 2 3800 0 0 1927 1927 7117 9044 1997/98 3 3700 0 0 3765 3765 4150 ...

   Document : Site Section: Publications

8. Fish stock assessment survey in Subarea 48.3

   . 1 British Antarctic Survey, Cambridge, UK 2 Renewable Resources Assessment Group, Imperial College ... ) . 2. SURVEY AREA AND DESIGN The survey was aimed at providing information representative of the ... representative of a station within each depth stratum and at each location is shown in Table 2. 26 A ... ., 1989) in 1989 was used, full net drawings with nominal mesh sizes are given in Figure 2. All netting ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 25–67 : Auteur(s): Everson, I., G. Parkes, K.-H. Kock, S. Campbell, Z. Cielniaszek and J. Szlakowski

9. Results of fish stock assessment survey, South Georgia, December 1987 - January 1988

   /85 (Kock 1985a), 1986/87 (Gabriel 1987), and 1987/88. 2. METHODS The 1987/88 survey took place ... randomly assigned to specific locations within stratum (stratum 1: 50-150 m, stratum 2: 151-250 m ... estimates in Table 2. A brief summary of the length information for the 1987/88 survey is given in Table 3 ... the catch was from stratum 2 (15/31/1 *)(Table 1). The stratified mean catch per tow was 27.7 kg and ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 19-52 : Auteur(s): McKenna, Jr., J.E. and S.B. Saila

10. Fishery Report: Dissostichus eleginoides Kerguelen Islands (Division 58.5.1)

    1.2 IUU catch ........................................................................... 2 1.3 ... Size distribution of catches ........................................................ 2 2. Stocks ... of the French EEZ, and the adjacent Australian EEZ in Division 58.5.2. 1.1 Reported catch 2 ... October 2010 was 2 977 tonnes, and the catch history is shown in Table 1. The fishery began in 1984/85 ...

    Document : Site Section: Publications

Pages