Résultats de la recherche

1. The foraging range of Adélie penguins – implications for CEMP and interactions with the krill fishery

   reproduccion situadas a gran distancia entre si, a lo largo de la costa este de la Antirtida entre 10s 55"E ... par satellite de manchots Addie de sept colonies de reproduction largement espacees le long de la ... possible que la p@cherie de krill entre en competition avec les manchots, notamment lorsque les conditions ... glaciaires permettent a la flottille de p&che de s'approcher de la bordure du plateau continental ou lorsque ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 75–87 : Auteur(s): Kerry, K.R., J.R. Clarke, S. Eberhard, H. Gardner, R.M. Lawless, S. Corsolini, S. Focardi, E. Franchi, D. Rodary and R. Thomson

2. Mesopelagic fish of the Southern Ocean - summary results of recent Soviet studies

   these species are summarized in tables with details on area, season and source of data. Some data, e.g ... . length composition of samples, are also illustrated in figures. The importance of studies on the role of ... myctophids in the Antarctic ecosystem is highlighted. File:  26-Sabourenkov.pdf ... de l'ecologie et de la distribution generales de ces especes. Quelques donnees sont disponibles sur ... les resultats de ces etudes publies recemment. La description generale des Myctophidae mesopelagiques ... informaci6n recogida hasta ahora es suficiente para describir de modo general, la distribuci6n y ecologia de ... detallada sobre el area, temporada y fuente de datos. Algunos datos, como por ejemplo la composici6n por ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 433–457 : Auteur(s): Sabourenkov, E.N.

3. Utilising data from ecosystem monitoring for managing fisheries: development of statistical summaries of indices arising from the CCAMLR Ecosystem Monitoring Program

   correlated (>0.6). Criteria for inclusion of parameters in the indices are discussed when parameters are ... statistical procedure adopted by WG-EMM in 1996 for identifying anomalies in CEMP parameters. The power of the ... appeared in the data. An alternative procedure, using estimates of the mean and variance of baseline time ... in CCAMLR. File:  06delamare-constable.pdf ... general de las estadisticas de multiples variables, y toma en cuenta la covariancia entre 10s parametros ... also a scalar given by: de ia Mare and Constable Table 1: Means and coefficients of variation ... was to have the same parameters missing from the years in which data were missing, de la Mare and ... ARISING FROM THE CCAMLR ECOSYSTEM MONITORING PROGRAM W.K. de la Mare Current Address: Marine and ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 101–117 : Auteur(s): de la Mare, W.K. and A.J. Constable

4. Size at sexual maturity of Patagonian toothfish (Dissostichus eleginoides)

   (Dissostichus eleginoides) caught in the commercial fishery within Subarea 48.3. The results for 1996 indicate ... that L m50 occurs at 78.5 cm total length for male and 98.2 cm for female fish. In 1997 the results for ... male fish were essentially the same. For female fish there is evidence that in 1997 a significant ... allowing for this bias indicates that L m50 for female fish in 1997 was no different to that for 1996. The ... phenomenon are discussed. Resume Analyses de la taille a la maturite sexuelle d'echantillons de legine ... australe (Dissostichus eleginoides) captures par la pGche commerciale de la sous-zone 48.3. Pour 1996, les ... , il semble qu'une proportion importante (de 25 a 43%) de poissons ayant atteint la maturite sexuelle ... femelles, la valeur de Lm50 en 1997 ne diffPre pas de celle de 1996. Les consequences de ce phenomPne sont ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 37–46 : Auteur(s): Everson, I. and A.W. Murray

5. Physical oceanographic setting of the Siedlecki January 1987, South Shetland Island data set

   data set Abstract / Description:  In the vicinity of the northern tip of the Antarctic Peninsula, the ... relatively cold and low in salinity throughout the water column and prone to deep reach convective events ... -Scotia Confluence in the Bransfield Straits is associated with abundant krill populations. It is ... this abundance. Resume Aux alentours de I'extremite nord de la Peninsule Antarctique, du detroit ... de Bransfield et des I'les Shetland du Sud, les eau x froides polaires de la mer de Weddell ... rencontrent les eaux circumpolaires plus chaudes venant de I'ocean Pacifique. La se forme une serie de ... fronts connus sous le nom collectif de Confluence de Weddell-Scotia. Au sein de la region de la ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 161-184 : Auteur(s): Gordon, A.L.

6. Indices of prey availability near the Seal Island CEMP site: 1990 to 1996

   / Description:  Four indices of prey availability are calculated from surveys conducted in the vicinity of the ... these indices may be useful in modelling krill predator breeding success as a function of prey ... reproduisant a I'ile Seal. Les indices derives de ces donnees indiquent que bien que ia densite moyenne des ... Fisheries Science Center PO Box 271, La Jolla CA 92038, USA Abstract Four indices of prey ... moyennes, relatives aux proies, de la densite, de la profondeur, de la distance de l'ile Seal et de la ... proies ait varie d'un facteur de presque cinq de 1990 B 1996, leur repartition demeure le long de la ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 37–45 : Auteur(s): Hewitt, R.P., G. Watters and D.A. Demer

7. Do krill and salps compete? Contrary evidence from the krill fisheries

   krill in the catches was evident when both salps and krill were taken together. In the Livingston Island ... clear relationship was observed in the Elephant Island area. Possible reasons for these phenomena are ... . Laboratory-measured grazing and ingestion rates of the salp, Tha l ia democratica Forskal, and the ... National Research Institute of Far Seas Fisheries 5-7-1 Orido, Shimizu, Shizuoka, Japan 424 W. K. de la ... . Resume La capture accessoire de salpes et la decoloration du krill (krill 'vert') causees par un ... chalutiers japonais pechant le krill autour de la peninsule Antarctique. La variabilite saisonniPre et ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 205–216 : Auteur(s): Kawaguchi, S., T. Ichii, M. Naganobu and W.K. de la Mare

8. Use of the Leslie stock depletion model for the assessment of local abundance of Patagonian toothfish (Dissostichus eleginoides)

   used to examine local patterns in catch per unit effort (CPUE) in the longline fisheries for Patagonian ... presents a re-working and synthesis of previous analyses to examine whether declines in CPUE can be ... in localised areas for periods of at least three days. The results suggest that there is greater ... potential for application of the model in some areas than in others, but in general there is no sufficiently ... d'epuisement de Leslie a 6te utilise pour examiner les tendances locales de la capture par unite d'effort de ... pcche (CP-UE) des pccheries B la palangre de legine australe (Dissostichus eleginoides) autour de la ... Georgie du Sud et le long de la c6te Pacifique du Chili. L'auteur de cette communication a repris les ... calculs et fait une synthese des analyses precedentes dans le but d'examiner la possibilite de modeliser ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 55–77 : Auteur(s): Parkes, G., C.A. Moreno, G. Pilling and Z. Young

9. Length-based assessments revisited – why stock status and fishing mortality of long-lived species such as toothfish cannot be inferred from length-frequency data alone

   / Description:  In many of CCAMLR’s new and exploratory fisheries, stock assessment techniques are still in ... development. The failure of the tag-recapture program to provide robust assessments in many areas and doubts ... and fishing mortality from length-frequency data alone. In this paper, a number of length-based stock ... assessment methods are revisited and some limitations in their ability to draw robust inferences about stock ... 14 True Z/K Sl op e es tim at e of Z /K L m ea n L 7 5 S lo pe e st im at e of Z ... as indices of relative abundance in comparisons between areas and in de- pletion studies (McKinlay ... mortality. methods The Generalised Yield Model (GYM) (Consta- ble and de la Mare, 1996; Constable et al ... -recapture data from the main trawl ground. CCAMLR Science, 18: 29–45. Constable, A.J. and W.K. de la Mare ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 57–73 : Auteur(s): Ziegler, P.E., D.C. Welsford and A.J. Constable

10. Areal and seasonal extent of sea-ice cover off the northwestern side of the Antarctic Peninsula: 1979 to 1996

    four periods of extensive ice cover during the last 18 years. Variability in seasonal timing, areal ... with features described by Stammerjohn and Smith (1996) for ice cover in the Bellingshausen Sea ... . Periods of extensive winter ice cover peaked in 1980, 1986, 1991and 1995 and were foreshadowed by the late ... of sea-ice cover were integrated over time to produce an annual index of sea-ice cover in units of 10 ... ~~phaus ia superba) and possible causes for its variability. Mar. Ecol. Prog. Ser., 123: 45-56. Smith ... , in the Antarctic Peninsula area. Resume L'a~ialyse de la couverture saisonniere de glace de mer ... Southwest Fisheries Science Center PO Box 271, La Jolla CA 92038, USA Abstract Analysis of seasonal ... d'un secteur de 1.25 X 10" km2 au large de la partie nord-ouest de la peninsule Antarctique met en ...

    Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 65–73 : Auteur(s): Hewitt, R

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