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1. Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons

   incapacite du Groupe de travail de la CCAMLR charge de l'evaluation des stocks de poissons (WG-FSA ... ) a evaluer proprement en 1991 le statut de la population de Champsocephalus gunnari par la VPA dans la sous ... -Shepherd et ADAPT, en remontant de 1991 a 1977. La structure d'age prevue, dominee ces demieres annees ... effectue par plusieurs combinaisons d'indices de campagnes d'evaluation et de CPUE. D'apres la VPA, la ... icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons ... Assessment (WG-FSA) to satisfactorily assess in 1991 the status of the Champsocephalus gunnari population in ... techniques, from 1991 back to 1977. The predicted age structure, dominated in recent years by the 1987 year ... -class (1 year olds in 1988), was quite robust, despite the use of various combinations of survey and ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 49–79 : Author(s): Parkes, G.

2. Potential nursery areas for fish in the Prydz Bay region

   pelagique a maillage fin a indique la possibilite que la region du plateau de la baie soit une nurserie de ... de la bordure du plateau. La classe de taille dominante etait celle de 45 mm de longueur standard ... specifique n'ait ete identifiee, l'ensemble du plateau de la baie Prydz pourrait etre considere comme une ... zone de nurseries. Pe3IOMe CbeMKa MeJIK05.llIeHHbIM pa3HOr JIy6HHHbIM TpaJIOM B 3aJIHBe IIpIO,ll3 ... Paper Title:  Potential nursery areas for fish in the Prydz Bay region Abstract / Description:  A ... survey with a fine-meshed midwater trawl in Prydz Bay in January/February 1991 indicated the potential ... all juvenile fish were caught in the top 50 m over the shelf, and more than 95% were Pleuragramma ... antarcticum. This species was abundant (up to 9 100 were caught in a 30 minute haul) especially near the shelf ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 369–380 : Author(s): Williams, R.

3. Target strengths of krill at 136 and 20 kHz

   en ensonifiant le kriU vivant en enceinte, par la methode de chalutage acoustique. Ensonification de ... et -81 dB. Pe3IOMe OueHKa CH~hl ue~H KPH~~ BhlnO~H~~aCb nYTeM 06~yqeHH~ )l{HBbIX oc06eti B ca~Ke ... , Kaliningrad 236999 CIS 141 Resumen Se calcul6 la potencia de blanco mediante la insonificaci6n de ... media de 45 a 50 mm, la potencia media del blanco de un ejemplar oscil6 entre -68 y -69 dB a 136 kHz ... . At the same frequency for aggregations with mean lengths in the range 41 to 47 mm the mean single ... -krill target strength is in the range-76 to-81 dB. File:  08-Kasatkina.pdf ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 141–157 : Author(s): Kasatkina, S.M.

4. Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey

   . Les courbes i) et iv) se rapportent aux cas exposes en detail dans la legende de la Figure ... d'exploitation de 20 ans et y pour les quatre cas exposes dans la lkgende de la Figure 1. Illustration des ... el grafico como 'old', la talla cuando la vulnerabilidad es 50%, ! : O , se toma de U 138,421 mm ... modPle d'exploitation de Beddington et Cooke (1983) etablissant la relation entre le rendement ... relate potential krill yield to a pre-exploitation survey estimate of krill biomass. In this paper, the ... fishing mortality, as specified by the Fourth Meeting, results in marked reductions in the probabilities ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Author(s): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew

5. Status of krill target strength

   and orientation parameters. Resume Les estimations empiriques de la reponse acoustique du krill sont ... l'identification du seuil. Les estimations theoriques de la reponse acoustique sont derivees du modele de ... entre la reponse acoustique et a la fois la taille des individus et la frequence de transmission, en ... . Plusieurs recommandations specifiques sont avancees pour une meilleure determination de la reponse ... aggregations of live euphausiids and should not be affected by a frequent cause of bias in single-animal ...

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

6. Line weights of constant mass (and sink rates) for Spanish system Patagonian toothfish longline vessels

   de conservation 25-02 de la CCAMLR exige que les navires utilisant des palangres de type espagnol ... mélange de pierres. Au cours des opérations de pêche, les sacs s'abrasent sur le fond de la mer, les ... déterminer le rapport entre la vitesse d'immersion de palangres équipées de sacs de pierres (de 4, 6 et 8 kg ... d'offrir aux armateurs la possibilité de substituer des lests en acier aux lests de pierres tout en ... with seabirds. The weights typically used are collections of rocks enclosed in netting bags. During ... the option of substituting steel weights for rock weights while remaining in compliance with the sink ... loss by toothed whales) were tested in the experiment. Spanish-system longlines with 8 kg rock weights ... from 0.68 m s –1 (4 kg rocks) to 1.31 m s –1 (8 kg steel) in the shallow depth ranges. Hydrodynamically ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 93–106 : Author(s): Robertson, G., C.A. Moreno, E. Gutiérrez, S.G. Candy, E.F. Melvin and J.P. Seco Pon

7. Book review – Biogeographic Atlas of the Southern Ocean

   :  This is a review of De Broyer, C., P. Koubbi, H.J. Griffiths, B. Raymond, C. Udekem d’Acoz, A.P. Van de Putte ... This is a review of De Broyer, C., P. Koubbi, H.J. Griffiths, B. Raymond, C. Udekem d’Acoz ... , A.P. Van de Putte, B. Danis, B. David, S. Grant, J. Gutt, C. Held, G. Hosie, F. Huettmann, A. Post ... of the Southern Ocean (De Broyer et al., 2014) has drawn on the richest source of biodiversity data collected ... Biogeographic Atlas of the Southern Ocean De Broyer, C., P. Koubbi, H.J. Griffiths, B. Raymond, C. Udekem ... d’Acoz, A.P. Van de Putte, B. Danis, B. David, S. Grant, J. Gutt, C. Held, G. Hosie, F. Huettmann ...

   Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 45-46 : Author(s): Reid, K.

8. Age and growth of Antarctic euphausiacea (crustacea) under natural conditions

   euphausiaces antarctiques provenant de la Peninsule Antarctique et du sud-est de la mer de Weddell ont ete ... etudiees. La fourchette de longevite est comprise entre deux ans pour Euphausia frigida et six ans pour ... non-lineaires. Aucune difference de croissance du krill n'a ete observee entre la region de la ... Peninsule Antarctique et l'est de la mer de Weddell. certaines opinions emises precedemment et differentes ... years for the krill Euphausia superba. Growth in length and weight was calculated by non-linear ... regressions. No difference in growth of krill was observed between the Antarctic Peninsula area and the ... and generation time of each species is given. In general, Antarctic euphausiids seem to remature and ... spawn at least twice and in some cases three times during their life, except for E. frigida which spawns ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 369-370 : Author(s): Siegel, V.

9. Survey design to estimate krill abundance during FIBEX

   . The analytical formulae for the analyses are also presented. . Resume L'un des objectifs principaux de la ... FIBEX (Premiere expenence internationale BIOMASS), 1981 etait d'etudier la methodologie de ... I'evaluation de I'abondance du krill. Le modele de prospection utilise dans la zone d'etude de l'Atlantique ... pour estimer I'abondance du krill ainsi que la collecte des donnees sur la taille, la densite et la ... methodology for assessing the abundance of krill. The survey design used in the southwest Atlantic study area ... of the FIBEX is described in this paper. Sampling involved the use of echo sounders for estimating ... krill abundance as well as collection of data on the size, density and distribution of krill swarms. In ... also collected. The study area was subdivided into several geographically distinct subareas in each of ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 253–263 : Author(s): Everson, I., I. Hampton and G.M. Jolly

10. Catch-at-age analysis applied to new fisheries: the case of Dissostichus eleginoides

    -similaires it celles generalement utilisees par la throrie de l'echantillonnage statistique. Dans une ... auteurs demontrent que pour la nouvelle pecherie, des analyses utilisant des donnees sur la capture ... d'evaluation des parametres des stocks de poissons. Cette nouvelle procedure est appliquee it la nouvelle ... pecherie de Dissostichus e/eginoides menee conformement it la reglementation de la CCAMLR au large du sud ... Abstract / Description:  Traditionally, the approach used in the assessment of new fisheries has been based ... resource by coarse methods. The main aim of such surveys is to monitor fishing operations in order to ... develop a comprehensive sampling design which will provide data in line with assessment procedures that ... are quite similar to those commonly used in the statistical sampling theory. These procedures are, to ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 3–9 : Author(s): Zuleta, A.V. and C.A. Moreno

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