Résultats de la recherche

1. By-catch of fishes captured by the krill fishing vessel Chiyo Maru No. 2 in Statistical Area 58 (January to March 1995)

   , these observers showed that fish were are captured with midwater trawl gear, and presen t i n t he ... ) provided efficient estimators for means and variances of data that come from a mixture distribution with ... j=21!nJ(n+1)(n+3) ...( n+2j-3) . (3) The variance of delta-distributed data with more than one ... non-zero observation is estimated as The variance of the mean of delta-distributed data with more ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 111–123 : Auteur(s): Watters, G

2. Results of the CCAMLR Antarctic fish otoliths/scales/bones exchange system

   examined with a binocular microscope using transmitted light and various magnifications. Otoliths are ... found to be unsuitable and staining with alizarin did not enhance the internal structures. Poor ... have been validated by comparing them with prominent peaks in length frequency compositions which are ... 84.2 X With the exception of readers 2 and 4, full agreement between two readers was usually much ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 197–226 : Auteur(s): Kock, K.-H.

3. Catch per unit effort and proportional recruitment indices from Japanese krill fishery data in Subarea 48.1

   time of maximum abundance were used. Net-haul data with small sample sizes (i.e. less than 20 hauls ... recruitment based on 2+ krill) values are summarised with values from scientific surveys in the Elephant ... of Log,,,CPUE with increasing years in the Livingston Island area (T = -0.695, n = 15, p = 0.0003 ... with sea-ice extent, the significance of the regression of sea-ice indices (Hewitt, 1997) against ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 47–63 : Auteur(s): Kawaguchi, S., T. Ichii and M. Naganobu

4. Assessments of by-catch in trawl fisheries at Heard and McDonald Islands

   -harvesting and/or non-commercial species that coincide in their distribution with currently targeted ... C. rhinoceratus given by Hureau (1966) were based on otoliths from only a few fish, with most fish ... regression with the cited mean sizes at age weighted by the numbers at age. Ages less than 3 and greater ... in Table 3, along with estimates for L. squamifrons published by Duhamel and Ozouf-Costaz (1985 ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 231–243 : Auteur(s): Constable, A.J., R. Williams and W.K. de la Mare

5. Distribution of mackerel icefish (Champsocephalus gunnari) (Channichthyidae) around South Georgia at various stages of its life cycle

   150–200 m, with less fi sh taken at 200–300 m. Only a few individuals were caught below the 300 m ... within the entire depth range surveyed, and most often at locations with a depth range of 100–350 m ... occurred at bottom depths of 100–150 m, however high numbers of fi sh were observed at locations with ... bottom depths of 250–300 m. In April, all mature fi sh were distributed in depths of up to 200 m, with ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 49–69 : Auteur(s): Frolkina, Zh.A

6. The use of analysis of penguin stomach contents in simultaneous study of prey and predator parameters

   diferentes niveles de digesti6n. A study of penguin diet conducted simultaneously with monitoring prey ... season). Sampling of krill introduces the problem of net selectivity which, together with krill swarming ... behaviour, makes it extremely difficult to ensure that the area of sampling coincides accurately with the ... classified in accordance with the day of the week of collection (e.g. Monday, Tuesday, etc.). The resulting ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 367–375 : Auteur(s): Marschoff, E. and B. González

7. Otolith microstructure of juvenile mackerel icefish (Champsocephalus gunnari) (Channichthyidae) in the South Georgia area

   ; Lisovenko, 1982; Frolkina, 1989, 1999, 2001, 2002) has demonstrated that fi sh with gonads at stages II ... –III have been observed throughout the year, while females with gonads at stage IV have only been ... polished otoliths were mounted with Canada balsam on a slide under a glass cover without any prior ... their fi rst year (fi rst-year fi sh); overwintered fi sh with the fi rst growth zone were called ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 173–181 : Auteur(s): Shcherbich, L.V

8. Krill biomass assessment in Statistical Area 48 from the RV AtlantNIRO data - Autumn 1989/90

   periphery of the Weddell Sea eddy (Fedulov et al., in press). Krill was taken with an Isaacs-Kidd net ... waters coincided with dynamic elements such as meanders, mesoscale circulations and parts of the Frontal ... Sandwich Islands study area, with the bulk of the stock concentrated in the Weddell Sea waters, suggests ... with mesh size 3.4 mm) are close to ours. Bearing this in mind, as well as the paucity of data and the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 115–121 : Auteur(s): Fedotov, A.C.

9. Toothfish, Dissostichus eleginoides, at South Georgia

   mm in diameter. The ova are in the developing phase consistent with the subjective observation that ... they were at stage 2 when caught. Testes are clearly developing and consistent with the observation ... that they were at stage 2. The gonads from all fish in this sample are therefore consistent with the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 255–261 : Auteur(s): Everson, I. and S. Campbell

10. Homogeneity of body length composition of Antarctic krill within the commercial zone

    of X2 exceeded the critical value of X2 with (m-I) (k-l) degrees of freedom, Ho was rejected. This ... test is not really suitable for DU smaller than 5. Therefore length classes with DUwith ... proportion of large and small size classes often varied between sequential hauls with the length modes being ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 17–28 : Auteur(s): Ichii, T.