Resultados de la búsqueda

1. Modelling catch and effort data using generalised linear models, the Tweedie distribution, random vessel effects and random stratum-by-year effects

   ij i ij = = ( ) + ′ +⎡⎣⎢ ⎤⎦⎥ + ′′ = = exp log , ,..., ; η ε 1 11,...,ni (8) where ui is a ... . Equation (8) can be fi tted using penalised quasi-likelihood (PQL) (Schall, 1991; Breslow and Clayton ... , 1993). Once equation (8) has been fi tted, ‘population-average’ (PA) estimates (Zeger et al., 1988 ... extended quasi-deviance (see equation (3.1) of Lee and Nelder, 2001) for equation (8) that extends the ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 59–80 : Autor(es): Candy, S.G

2. Estimating optimal observer coverage in the Antarctic krill fishery

   variation is obtained ˆ SE y CV z . (8) Using estimates 2ˆ U and 2ˆ in equation (2) to obtain ˆSE Y ... , equation (8) was applied to achieve an estimate of how ˆCV Z is likely to change with different levels ... -3 2002-4 2002-5 2002-6 2002-7 2002-8 Years included in model V ar ia nc e ra tio b et w ee ... 26 6 75 52 28 20 6 Fe ol en t 20 02 52 0 23 6 17 7 75 16 8 34 95 ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 139–154 : Autor(es): Agnew, D.J., P. Grove, T. Peatman, R. Burn and C.T.T. Edwards

3. By-catch of fish in the krill fishery

   present in many of the catches. The breakdown of size classes in haul 53 is given in Table 8. Reference ... 2.50 57 4 54 52 35 8 165 165 40 50 27 945 2.25 58 4 54 47 35 16 110 350 75 250 25 1650 3.83 59 15 4 ... 1.25 82 1 5 62 36 35 34 320 320 50 50 30 950 0.75 Cruise of RV Evrika in 1987 9 8 1 57 15 26 31 ... 70 7 2 60 26 46 25 250 300 20 800 2050 1.67 71 8 2 60 23 46 16 1500 1500 1125 0.33 72 8 2 60 26 46 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 381–401 : Autor(es): Everson, I., A. Neyelov and Y.B. Permitin

4. Vertical migrations of mackerel icefish (Champsocephalus gunnari) on the South Georgia shelf

   catches decreases abruptly from 13-14 to 2-8 tonnes per hour of fishing. At night, catches were usually ... Pioner Latvii n=3 n=4 n=4 n= 10 n=9 n=9 n=8 n=5 n=8 n=8 n=3 n=3 April-May 1983 BMRT Bottom 4.8 2.4 2.8 ... 6.1 4.6 11.1 6.8 14.1 2.2 2.8 2.0 2.3 E. Krivosheev n= 11 n = 10 n=8 n= 11 n= 11 n= 13 n= 11 n= 13 n ... Mean catch 2122 2054 '-------_1686 2997 L__ ·- 200_ ·- 300 - -····- - ------- ··--- ··-- tjh 9 8 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 3–14 : Autor(es): Frolkina, J.A. and V.I. Shlibanov

5. Age determination of Champsocephalus gunnari Lönnberg, 1905 (Channichthyidae) taken in the South Georgia area in 1990

   lines, or more rarely a single wide one (Figures 2 to 8). Our age/length data were on the whole close ... 37.6 46.0 40.4 40.3 44.4 45.3 38.0 8 39.3 48.5 41.7 41.6 48.4 48.6 40.7 9 41.2 - 42.8 48.2 51.4 43.0 ... + 6+ 7+ 8+ 9+ 14-21 21-27 27-33 32-37 35-41 38-46 47-52 54 55 24 23 28 21 16 10 ... Ill). TL=38 cm. W=400 g. Age 6+years. 26 February 1990. Figure 8: Vertebrae of C. gunnari taken ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 285–293 : Autor(es): Kochkin, P.N.

6. Choosing distance between acoustic survey tacks

   formula 8' ::::; B where S', v', k' anda' are corrected values. (4) - 159 - Let us consider an ... error 8= vr302_202~20%=0.2. Assuming k=l, we use expression (3) to find a typical size 1= ~=100 miles ... interval of the 8 values. * Data from several actual hydroacoustic surveys were statistically ... !7.1 ': • 18.9 27! •• '12.2 • \ 8 ' '. ~ I 4 ~:~: ~7.6 25:7 95.7 ' '~4: • ':I4.0 .. 54,7 9.9 12 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 153-164 : Autor(es): Kalikhman, I.L., Z.I. Kizner, B.R. Zaripov and W.D. Tesler

7. Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?

   monitoring program, which suggests that local monitoring programs observe 8% to 37% of the biomass in each ... (%) 48.2 (%) 48.3 (%) 1996 1 1997 1 8 1998 2 7 1999 4 1 2000 2 88 2001 9 14 2002 4 3 ... 790 5 480 370* 4.50 8 137 530 3.03 48.3 17 211 300 28 934 594.84 1 447 037 11.89 48.4 2 553 600 ... Regional scale total 60 296 425 8 459 304 7.13 15 397 067 3.92 * There was no local monitoring program ...

   Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Autor(es): Hill, S.L., A. Atkinson, C. Darby, S. Fielding, B.A. Krafft, O.R. Godø, G. Skaret, P.N. Trathan and J.L. Watkins

8. Effect of line sink rate on albatross mortality in the Patagonian toothfish longline fishery

   be minimal). The hook line on the In Sung 66 entered the water about 8 m behind the vessel. Bait ... line was hauled at 1-1.5 knots, and hauling usually took about 8 hours. LONGLINE SINKING EXPERIMENT ... ) of black-browed albatrosses (Diomedea melanophrys) (Prince et al., 1994), the depth (8 m) that ... rate would be expected. For 35 and 50 m spacings, sink rates to 8 m depth (0.37 m/s and 0.24 m/s ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 133–150 : Autor(es): Robertson, G.G

9. Preliminary report on biological observations and exploratory fishing data collected in the South Georgia area during the 1985/86 cruise of MT Carina

   ,ul (ljs:1 ·8 'H °8 Ei O·r! ~'H ul (Ij m (Ij +> O·r! 8 145 Dec. I 10 49 104 h 10' 379.4 37.9 3642 )008 250 2 222 1 159 11 10 45 140 h 30' 178.9 ... 49 Jan. I 10 50 153 h 35'" 241.7 24.2 1574 975 196 144 167 31 . 61 11 8 35 109 h2O' 196.2 ·24.5 ... eleginoides '1984/85 - 2' 1 ' 8 1985/86 76 . 1 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 65-97 : Autor(es): Kreft, K. and J. Szynaka

10. Observations on haul-out patterns and trends in the breeding populations of southern elephant seal at Península Valdés (Patagonia) and Stranger Point (25 de Mayo - King George I.)

    carried out on 8 km of coastline; one isolated beach was determined to be representative of the original ... starting point of female arrival. - 457 - In stranger Point the rank was 8/9 to 23/9 and at Peninsula ... Valdes was 26/8 to 1/9. Similar differences were also found in the date of the peak of females ashore ... 2'0' j8=== -8 - T ;'9--' 2g 9 I I Rug Sep Dot Nov Deo Figure 1 Fluctuations in the number of ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 453-463 : Autor(es): Vergani, D.F., M.N. Lewis and Z.B. Stanganelli

Páginas