Résultats de la recherche

1. An iterative model to construct an age/length key to assess the age composition of a new fishery for Dissostichus eleginoides in Chilean waters

   composition of catch for Dissostichus eleginoides was obtained with the application of a single age/length key ... composition of catch for Dissostichus eZeginoides was obtained with the application of a single age/length ... model with the EM algorithm to correct estimates of stock composition and to convert length to age ... . 3. ALGORITMO EM DE HOENIG AND HEISEY 3.1 Indices i = 1,2, .. n j = 1,2, .. a k= 1,2 s= 1,2 ... .2 nzj2 - a :LP(i / j)(s+l) n~i j=1 (2) (3) (4) (5) (6) En la etapa 5, si D no es ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 11–20 : Auteur(s): Robotham, V. H. and Z. Young U.

2. Remarks on the natural mortality of Dissostichus eleginoides in Subarea 48.3

   M estimated by fishing depth and hook type with different growth parameters although there were ... and hook type with different growth parameters although there were differences in M between fishing ... exploited fish populations, with special refence to source of bias in catch sampling. Rapp. P.V. Reun. CIEM ... = 7848). Se utilizaron los panimetros de von Bertalanffy obtenidos independientemente por 3 autores y se ... von Bertalanffy y T es la edad donde N,* W t toma su valor maximo. 3. RESULTAOOS 3.1 Efecto del ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 21–30 : Auteur(s): Moreno, C.A. and P.S. Rubilar

3. Midwater trawl catchability as an aspect of a quantitative assessment of krill biomass conducted using a trawl census survey

   trawl parameters. Reliability of biomass assessments will improve with better knowledge of trawl ... will improve with better knowledge of trawl catch ability and krill distribution patterns. A ... this regard: • specific biomass densities are determined practically with the same degree of ... ). Distributional patterns were assessed in accordance with a set of standard methods (Anon., 1985b). The ... catch with krill biomass estimates obtained using echo integrators located in the effective trawling ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 257–272 : Auteur(s): Kasatkina, S.M.

4. Moulting interval and growth of juvenile Antarctic krill fed different concentrations of the diatom Phaenodactylum tricornutum in the laboratory

   0.047 mm day –1, which is too slow to support the hypothesised 2-year life-span of this animal in the ... field. Growth conditions of krill in the Southern Ocean are discussed, with special reference to the ... slow to support the hypothesised 2-year life-span of this animal in the field. Growth conditions of ... krill in the Southern Ocean are discussed, with special reference to the available food concentration ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 223-225 : Auteur(s): Ikeda, T. and P.G. Thomas

5. Patagonian toothfish in international waters of the Southwest Indian Ocean (Statistical Area 51)

   made at depths between 360 and 1 950 m. D. eleginoides was present in all hauls, with catches varying ... 950 m. D. eleginoides was present in all hauls, with catches varying from 53 to 1 158 kg. The ... , comparing the current length structure of catches with others from previously described places. Results ... being present in all hauls, with catches varying from 53 to 1 158 kg. This circumstance makes it ... seems that the presence of this front as a dynamic process, in combination with the presence of ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 207–214 : Auteur(s): López Abellán, L.J

6. Brief comments on the simulation study made by Professor Butterworth on krill fishing by an individual Japanese trawler

   . Finally, attention is drawn to the unrealistic behaviour of the simulation model with respect to the ... , the demand for each product can be seen to change from year to year. We do, therefore, agree with him ... behaviour of the simulation model with respect to the values used for the minimum catch rate per overall ... made on the basis of CRmin (the minimum catch rate per overall elapsed time). Over a range of 1 to 3 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 347–350 : Auteur(s): Ichii, T. and Y. Endo

7. Some comments on the procedure for testing estimators of krill abundance which utilise survey data

   computer generation of krill distribution patterns, which are compatible with existing information on the ... computer generation of krill distribution patterns, which are compatible with existing information on the ... variations, with effort allocated so as to minimise the anticipated variance. Further, within any stratum ... procedure proposed, to obtain an abundance estimate; and (iv) comparing that abundance estimate with the ... spatial correlation patterns exhibited by actual krill distributions are compatible with a simple two ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 191–205 : Auteur(s): Butterworth, D.S., D.L. Borchers and D.G.M. Miller

8. An assessment of the merits of length and weight measurements of Antarctic krill Euphausia superba

   predictors of wet or dry weight in Antarctic krill Euphausia superba Dana are standardised with new data on ... Antarctic krill Euphausia superba Dana are standardised with new data on the relationships of three length ... Statistics, Plymouth Polytechnic, Drake Circus, Plymouth PL4 8AA, UK. 3. Institut fur Meereskunde an der ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 371-373 : Auteur(s): Morris D.J., J.L. Watkins, C. Ricketts, F. Buchholz, and J. Priddle

9. Additional data on anti-Brucella antibodies in Arctocephalus gazella from Cape Shirreff, Livingston Island, Antarctica

   detected in one sample with the RB test, and in five of the 86 samples (5.8%) using the c-ELISA test. These ... Bvucelln spp. were detected in one sample with the RB test, and in five of the 86 samples (5.8%) using the ... ., 1999; Bricker et al., 2000). This isolated pathogen shows a close relationship with bacteria from the ... ) named Bvilcella nzauis, with three biovars (Jahans et al., 1997). There are possible similarities in ... the southernmost breeding populations of A. gazelln, with a current population size of 20 139 ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 147–154 : Auteur(s): Blank, O., P. Retamal, P. Abalos and D. Torres

10. On the presence of Paralomis spinosissima and Paralomis formosa in catches taken during the Spanish survey Antártida 8611

    hauls where Paralomis spp. were found, together with the qualitative composition of the fish fauna ... surveyed. The location of the hauls where Paralomis spp. were found, together with the qualitative ... opening of 12 m, a vertical opening of 3.5 m, a mesh size of 68 mm in the codend and was equipped with ... the haul and the species of fish caught together with the crabs. It also contains information on the ... caught during the cruise, with a maximum of nine specimens being taken in a single haul (station 140 ...

    Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 165–173 : Auteur(s): López Abellán, L.J. and E. Balguerías

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