Search results

1. Integration of CPUE data into assessments using the Generalised Yield Model

   the GYM assessments. Ces trois dernisres annees, le groupe de travail de la CCAMLR charge de ... 116valuation des stocks de poissons (WG-FSA) a accord6 une haute priorit6 ?I la mise en place de m6thodes ... moyen des donnbes sur la legine australe (Dissosticlzlls elegirioides) dans la sous-zone 48.3. La ... par le GYM. Resumen Durante los ultimos tres afios, el grupo de trabajo sobre la evaluation de ... into assessments using the Generalised Yield Model (GYM). In this paper, we propose a method, based on ... the use of importance sampling, for incorporating information on trends in standardised CPUEs into GYM ... eleginoides) in Subarea 48.3. The method requires only very small adjustments to the computer program ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 65–74 : Author(s): Kirkwood, G.P. and A.J. Constable

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

   , correspond a la classe forte de l'annee 1988. Pe310Me C ~eJIblO H3ytIeHH5I COCT05IHH5I 3anaca ... du stock de ChampsocephaZus gunnari en zone de Georgie du Sud. En fevrier 1990, la composition par ... aux groupes de taille de 16 a 18, de 24 a 26 et de 30 a 34 cm. La determination des ages n'a ete ... dans les captures. Deux des niveaux optimaux dans la composition par tailles correspondent aux ... in the South Georgia area in 1990 Abstract / Description:  In January/February 1990 the UK and the ... the status of the Champsocephalus gunnari stock in the South Georgia area. In February 1990 the size ... -26 and 30-34 cm. Only vertebra samples (n =140) were used in age determination. Age groups from 1+ to ... 9+ were present in catches. Two peaks in size composition correspond with fish of the 1987 and 1985 ...

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

3. Diet of the Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (Subarea 88.1)

   followed in importance in the diet. Résumé Une analyse du régime alimentaire de la légine antarctique ... (Dissostichus mawsoni) capturée à la palangre de fond dans la mer de Ross a été effectuée pour les saisons de ... ; leur longueur totale variait de 62 à 197 cm. La proportion d’estomacs vides était élevée (34% en 2001 ... , 1972; Zhivov and Krivoruchko, 1990; McKenna, 1991; García de la Rosa et al., 1997; Pilling et al ... bottom longline in the Ross Sea during the 2001 and 2002 fishing seasons was analysed (3 937 and 5 426 ... stomachs examined respectively). Fish sampled in 2001 were caught at depths of 317 to 2 154 m and ranged ... from 58 to 190 cm in total length (TL). Fish sampled in 2002 were caught at depths of 815 to 1 623 m ... and ranged from 62 to 197 cm TL. A high proportion of stomachs were empty (34% in 2001 and 49% in 2002 ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 113–123 : Author(s): Fenaughty, J.M., D.W. Stevens and S.M. Hanchet

4. A rationale for conservation areas within Antarctic waters

   approaches within these major conservation areas. La mise en vigueur des mesures de conservation ... potentielles enumerees a l'Article IX 2 de la Convention necessite "la designation de secteurs et de sous ... -secteurs selon la repartitiondes populations de res sources marines vivantes de l'Antarctique" (Article ... IX 2 (b). Afin de selectionner des limites significatives pour ces regions, la circulation de ... :  The application of potential conservation measures listed in Article IX 2 of the Convention requires ... marine living resources’ (Article IX 2 (b)). In order to select meaningful boundaries for such areas ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 513-535 : Author(s): Chittleborough, R.G.

5. Spawning locations of mackerel icefish at South Georgia

   la sous-zone 48.3 de la CCAMLR (Georgie du Sud et ilots Shag). En parallPle sont examinees de ... nouvelles donnees issues des p6cheries commerciales et des campagnes de recherche. Les auteurs arrivent la ... conclusion que tout semble indiquer que la ponte a lieu en avril, prPs des c8tes de la Gkorgie du Sud ... , notamlnent dans les baies, ou en leur proximite, le long de la c8te nord de l'ile. Les poissons se ... . There are also indications of a possible second spawning season in January, although the evidence is ... weak. Concentrations of larval icefish within Cumberland Bay are an order of magnitude higher than in ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 107–118 : Author(s): Everson, I., A.W. North, A. Paul, R. Cooper, N.C. McWilliam and K.-H. Kock

6. Validation of sink rates of longlines measured using two different methods

   is the archival nature of the data collected. Résumé La vitesse d’immersion des palangres à lest intégré (lignes ... à lest de plomb intégré de 50 g.m–1 dans deux fi ls de la ligne de fond – ou, en anglais, IW-50) a été ... bouteilles en plastique vides (méthode de la bouteille). Avec les bouteilles, la vitesse d’immersion ... à 2 m était en moyenne de 0,23 ± 0,07 m.s–1, alors que les TDR la situaient à 0,17 ± 0,03 m.s–1. Cette ... sight behind waves or in congregations of seabirds before the target depth was reached. No TDRs were ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 179–187 : Author(s): Wienecke, B. and G. Robertson

7. By-catch of fish in the krill fishery

   . (Los encabezamientos de las columnas corresponden a la tabla 1.) Ca1culo del numero total de ... de kriU. Les resultats indiquent que la capture accessoire de poisson dans la pecherie commerciale ... observado capturas accidentales de draco ray ado durante la pesca de krill realizada por un buque de ... investigaci6n. Las conc1usiones indican que la pesca fctica accidental que ocurre en la pesquerfa comercial de ... Paper Title:  By-catch of fish in the krill fishery Abstract / Description:  Observations are ... results indicate that the by-catch of fish in the commercial krill fishery may be significant in some ... areas of the South Georgia shelf. The problem is thought to be least in open ocean krill fishing. File ...

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

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

   maximum par jour (~BL/IP) du krill juvenile a ete ca1cu1e comme etant de 0,047 mm par jour-1 ce qui est ... apportee a la concentration d'alimentation disponible. Note: Le texte integral de ce document sera ... CONCENTRACIONES DE LA DIATOMEA PHAENODACTYLUM TRICORNUTUM EN EL LABORATORIO T. Ikeda, P.G. Thomas (Australia ... llegar a una concentracion de 1.0 mgC 1-1. No se observo efecto adicional de las concentraciones de ... concentrations of the diatom Phaenodactylum tricornutum in the laboratory Abstract / Description:  Juvenile ... 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 ... available food concentration. Note: The full text of this paper will be published under the above title in ...

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

9. Status of the FIBEX acoustic data from the West Atlantic

   can find no explanation for this difference. Resume Les auteurs ont reexamine les donnees de la ... campagne d'evaluation acoustique du secteur occidental de 1'Atlantique pour verifier la coherence des ... navires), ne semble pas avoir affect6 la biomasse estimee. Les estimations derivees des donnees de la ... . Resumen Se han examinado nuevamente 10s datos de la prospeccion acustica FIBEX, realizada en el sector ... :  Data from the FIBEX acoustic survey in the West Atlantic sector have been re-examined to check the ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 35–48 : Author(s): Trathan, P.N. and I. Everson

10. Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997

    C, par rapport ?i la densite de krill provenant des campagnes d'evaluation acoustiques menPes en un m@me ... constitue un bon indicateur de la densite locale de krill. I1 est peu probable qu'il soit affect6 par le ... indication des variations court terme de l'abondance du krill disponible. I1 peut illustrer la densite du ... en cours sous les auspices de la CCAMLR. JIeJpr~asr pb16a (Chur~7l~.soce/1hal~s gurzncrri ... Paper Title:  Variations in condition indices of mackerel icefish at South Georgia from 1972 to ... responds rapidly to changes in krill density and therefore can provide indications of short-term variations ... in krill availability. Condition index provides a useful proxy for krill density and is likely to be ... of considerable value in interpreting the results from ecosystein assessments such as that in ...

    Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Author(s): Everson, I. and K.-H. Kock

Pages