Resultados de la búsqueda

1. A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region incorporating multi-year mark-recapture data

   bio- mass estimates were less likely. The profiles were Li ke lih oo d (– ln L) 80 60 40 20 ... RSR. 60° S 65° S 70° S 75° S 80° S 150 °E 160° E 170°E 180°E 170°W 160°W 150°W Figure 1 ... ’ mark-recapture data included 72% of all released tagged fish and 80% of all recapture events of ... 0 40 60 80 100 ...

   Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 39–62 : Autor(es): Mormede, S., A. Dunn and S.M. Hanchet

2. Distribution and size–age composition of Antarctic krill (Euphausia superba) in the South Orkney Islands region (CCAMLR Subarea 48.2).

   % 70 % 60 % 50 % 40 % 30 % 20 % 10 % 0% 10 0% 90 % 80 % 70 % 60 % 50 % 40 % 30 % 20 % 10 ... % 0% 10 0% 90 % 80 % 70 % 60 % 50 % 40 % 30 % 20 % 10 % 0% 10 0% 90 % 80 % 70 % 60 % 50 ... + 3+ 4+ 5+ 2 3 4 5 6 7 2 3 4 5 6 Size–age groups (a) % 20 10 0 –10 –20 –30 29–30 31–32 ... 47–48 49–50 51–52 53–54 55–56 57–58 59–60 61–62 mm % 20 15 10 5 0 –5 –10 ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 123–134 : Autor(es): Sologub, D.O. and A.V. Remeslo

3. Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea

   determine Pelvic length (cm) 0 20 40 60 80 100 T ho rn le ng th ( m m ) 0 2 4 6 8 10 12 14 ... the Ross Sea P el vi c le ng th (c m ) (c) (b) (a) 0 2 4 6 8 10 12 14 0 20 40 60 80 ... ( cm ) 0 20 40 60 80 Males (N = 58) With outliers Without outliers E ti t d 0 2 4 6 8 10 12 14 ... 0 20 40 60 80 Both sexes (N = 137) With outliers Without outliers A B C 2 Both sexes (N ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 183–194 : Autor(es): Francis, M.P. and C. Ó Maolagáin

4. A review of data on abundance, trends in abundance, habitat use and diet of ice-breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   al., 1971), the Amundsen– Bellingshausen Seas region (135°W–80°W) in 1971/72 (unadjusted or hauled ... ), south Indian Ocean (20°E–90°E) and Weddell Sea (20°E–60°W)). The haul-out model developed for ... 1979/80 (Table 2, Figure 3). The densities of seals hauled out in sam- pled areas were estimated using ... seals, the proportion of seals underwater around so- lar midday in the summer months is between 20 ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 49–74 : Autor(es): Southwell, C., J. Bengtson, M. Bester, A.S. Blix, H. Bornemann, P. Boveng and M. Cameron, J. Forcada, J. Laake, E. Nordøy, J. Plötz, T. Rogers, D. Southwell, D. Steinhage, B.S. Stewart and P. Trathan

5. Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia

   ) fis hi ng e ff or t (1 00 0 ho ok s) 0 20 40 60 80 100 120 0 50000 100000 150000 ... 10 20 30 40 50 60 70 80 90 0 50000 100000 150000 200000 250000 est. population (n) pr oj ... 250000 est. population (n) fis hi ng e ff or t (1 00 0 ho ok s) 0 20 40 60 80 100 120 ... 40 20 0 90 80 70 60 50 40 30 20 10 0 0 50000 100000 150000 200000 250000 ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 47–63 : Autor(es): Agnew, D.J., G.P. Kirkwood, J. Pearce and J. Clark

6. Diet study of Antarctic toothfish caught in the east Antarctic based on stomach content, fatty acid and stable isotope analyses

   frozen at −20°C until further analysis. FAMEs were analysed by a gas chromatograph (GC; Agilent ... for 20 replicates of urea was approximately 0.1‰ and 0.3‰ for δ13C and δ15N respectively. Data ... the major FAs contributing to this were 18:0, 16:1, 22:6n3, 20:3n3 and 16:0. PCA analyses showed ... analyses to infer diet of Antarctic tooth- fish caught in the southern Ross Sea. CCAMLR Science, 20: 21–36 ...

   Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 29–44 : Autor(es): Park, H.J. , I. Yeon, E. Han, Y.J. Lee, S.M. Hanchet, G.W. Baeck, Y. Kwon, S.G. Choi, D.W. Lee and C.K. Kang*

7. The status of krill (Euphausia superba DANA) resources in CCAMLR Statistical Divisions 58.4.2 and 58.4.3 from 1988 to 1990. Results of acoustic surveys

   census surveys have been carried out over the whole area (south of 600 S between 60 and 80° E) and, in ... and 15 m deep were most frequent. Dispersed concentrations up to 20 miles in length were also ... ..... ~ ,...; .-> -+a c::o:> 66 0 00' \-!l.W. ~O' 20' ~O' 40' • I • • • • • • • i ... • .J1I7O' ~_~6' 5~' 80' 8Z' 6~' 8G' Gfl' 70' n ?lj' 'i'G' 78' 80' 62')~ ...... -l ...... Figure 4 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 163–173 : Autor(es): Bibik, V.A. and V.N. Yakovlev

8. Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea

   ut h G eo rg ia W es t ( SG W ) 0. 03 20 10 1 0. 59 59 18 89 0. 02 53 80 ... 3 0 20 40 60 80 100 Krill biomass density (g m-2) A 1 st an d ar d d ev ia te y ... = 0.7892Ln(x) - 2.5574 R2 = 0.4198 -3 -2 -1 0 1 2 3 0 20 40 60 80 100 Krill biomass density (g m-2 ... R2 = 0.1163 -3 -2 -1 0 1 2 3 0 20 40 60 80 100 Krill biomass density (g m-2) A 2 st an d ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Autor(es): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins

9. Biomass, abundance and distribution of fish in the Kerguelen Islands EEZ (CCAMLR Statistical Division 58.5.1)

   1987 and 1988 (SKALP surveys; see Duhamel, 1993a), nearly 20 years after the beginning of fish- ery ... from 6 September to 9 October 2006 (with two stations on 19 and 20 October 2006) in the whole area of ... 000 tonnes) and C. rhinoceratus (54 000 tonnes). All the other species had a bio- mass lower than 20 ... Species Biomass (tonnes) SD Lower limit Upper limit Dissostichus eleginoides 123 971 20 155 73 494 263 ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 1–32 : Autor(es): Duhamel, G. and M. Hautecoeur

10. Status of krill target strength

    method (MacLennan, 1990). This was facilitated by use of a pulse of 20 IlS duration, hence with nominal ... the daytime in compact swarms deeper than 80 m, and in the night-time in a thick diffuse layer ... between 20 and 40 m. 106 By measuring Sy, with 1 ms pulse duration, and determining the number ... the depth of the ground rope varied from 35 to 80 m. The density was thus determined, and equation (9 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 101–126 : Autor(es): Foote, K.G., D. Chu and T.K. Stanton

Páginas