Résultats de la recherche

1. Vertical migrations of mackerel icefish (Champsocephalus gunnari) on the South Georgia shelf

   commercial concentrations of C. gunnari in years of high abundance of the species (1982/83, 1983/84 and 1986 ... considered in the paper. A distinct pattern of daily vertical migrations of C. gunnari was observed on the ... South Georgia shelf. During the day, fish concentrate near the bottom in concentrations 5 to 7 m thick ... may be used for clarification of survey techniques used in stock assessment. For a number of years ... variation de la biomasse du poisson des glaces (Champsocephalus gunnari) calculee a partir des donnees des ... . gunnari. pendant les annees d'abondance de l'espece (1982/83, 1983/84 et 1986/87). La capture par heure ... de peche est analysee en fonction de l'heure a laquelle elle a ete realisee. 11 est tenu compte a la ... , CIS 3 4 du Sud presentent de nettes tendances. Pendant la journee, les poissons se ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 3–14 : Auteur(s): Frolkina, J.A. and V.I. Shlibanov

2. Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined with various codends

   . It was found that the selectivity properties of twine codends are unsatisfactory in the case of ... used in fishing for them requires further research. It should first of all cover twine codends with a ... des poissons des glaces de la Mer de scotia; les raisons principales etant : l'utilisation d'un ... materiau lourd dans leur construction, le choix inapproprie de la taille du maillage, et certains aspects ... que la taille de maillage optimale de ce cuI de chalut pour la selection des poissons des glaces de ... antarctiques, en particulier les pOissons des glaces de la Mer de Scotia et ceux de la Georgie du Sud, des ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 1-48 : Auteur(s): Zaucha, J.

3. The foraging range of Adélie penguins at Béchervaise Island, Mac. Robertson Land, Antarctica, and its overlap with the krill fishery

   when the sea became ice free to the coast. Concentrations of krill, Euphausia superba, which have in ... . Robertson Land Coast (approximately 150 000 pairs) and any future harvest of krill in the region. The ... in the South Shetland and South Orkney Islands and reflects the distance offshore of krill, one of ... de manchots Adelie se reproduisant a l'lle Bechervaise, pres de la base Mawson (Terre Mac ... lors de quatre sorties alimentaires (deux femelles et quatre males) pendant la periode d'incubation ... janvier 1992 alors que les oiseaux elevaient des poussins. Les sorties alimentaires de la plupart des ... oiseaux les ont menes jusqu'a la rupture de pente du plateau continental (isobathe 1 000 m) distante ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 337–344 : Auteur(s): Kerry, K.R., J.R. Clarke and G.D. Else

4. Acoustic data analysis and models of krill spatial distribution

   / Description:  Acoustic data obtained on 4-5 January 1987 aboard the R/V Professor Siedlecki were used in three ... descriptors of krill spatial aggregation: power spectra for krill biomass fluctuations in space, semivariogram ... pour les fluctuations de la biomasse du krill dans I'espace, semivariogramme (autocorrelation ... spatiale de la biomasse du krill) et distribution de frequences de la biomasse estimee de krill. Le ... , le spectre semble diminuer considerablement en intensite. La semivariance de la biomasse ne varie ... pas de maniere significative pour la plupart des distances entre les points, sauf pour les distances ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 311–329 : Auteur(s): Morin, A., A. Okubo and K. Kawasaki

5. e-sc-xxviii-a8.pdf

   ... 30 April 2010 in La Jolla, USA. RECOMMENDATIONS TO THE SCIENTIFIC COMMITTEE 90. The Subgroup ... ............................................................................. 477 PROVIDE ADVICE THAT WILL ASSIST IN QUANTIFYING UNCERTAINTIES IN KRILL B0 ESTIMATES ... ........................................... 478 Review recent results including developments in target strength modelling and observations on ... B0 based on the current understanding of uncertainties in various parameter values application/pdf attached to:SG-ASAM-09

   Meeting Report : SG-ASAM-09

6. KRILL CATCHES INDICATE THE IMPACT OF THE EL-NIŇO – SOUTHERN OSCILLATION RELATED PROCESSES ON THE DISTRIBUTION OF KRILL BIOMASS BETWEEN SUBAREAS OF THE ATLANTIC SECTOR OF ANTARCTIC

   associated with La Niňa event in the South Pacific. The mechanisms for these phenomena associated with the ... fishery management issues. Krill catch data in Subareas 48.1, 48.2 and 48.3 are compared to the AMLR ... analysis suggest that the dynamics of krill biomass in fishable aggregations in Subareas 48.1 and 48.2 is ... negative anomalies of catches in the important Subarea 48.2 are seen in the year of oceanographical regime ...

   Meeting Document : WG-EMM-09/47 : Auteur(s): V. Spiridonov (Russia)

7. e-sc-xxx.pdf

   ... ________________________________________________________________________________________ This document is produced in the official languages of the Commission: English, French, Russian ... Committee for the Conservation of Antarctic Marine Living Resources held in Hobart, Australia, from 24 to ... ADVANCES IN STATISTICS, ASSESSMENTS, MODELLING, ACOUSTICS AND SURVEY METHODS ... . eleginoides in the northern area .............................................. 16 Dissostichus spp. in the application/pdf attached to:SC-CAMLR-XXX

   Meeting Report : SC-CAMLR-XXX

8. Movement and growth of tagged Dissostichus eleginoides around South Georgia and Shag Rocks (Subarea 48.3)

   Rocks (Subarea 48.3) Abstract / Description:  In 2000 the UK started a Patagonian toothfish ... experimental pot fishing in 2000 and 2001, and have been at liberty from one to two years. Four fish were ... tagged and recaptured from the same longline vessel in 2002 after up to two months at liberty. The fish ... and there have been no reported recaptures of these fish tagged at South Georgia or elsewhere in the ... campagnes d’évaluation des poissons de fond et les campagnes des observateurs de la CCAMLR. Parmi elles ... chimique permanente sur l’otolithe et indiquant la date de l’injection et de la relâche. A ce jour, 51 ... poissons ont été recapturés, pour la plupart autour des îlots Shag, site de l’activité de pêche la plus ... intense. La plupart des poissons recapturés à ce jour avaient été marqués et relâchés lors de la pêche ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 101–111 : Auteur(s): Marlow, T.R., D.J. Agnew, M.G. Purves and I. Everson

9. The use of predator-derived krill length-frequency distributions to calculate krill target strength

   calculated from acoustic data. Changes in the lengthfrequency distribution of krill over a period of a few ... weeks produced a 10% difference in TS, whereas simultaneous samples from predators and nets produced ... l'abondance du krill et la performance des prkdateurs est fondamentale a l'approche de gestion des ressources ... Pvidence la n6cessitP d'obtenir des dolmPes simultanPes de frequence des longueurs. En regroupant les ... collecte des donnkes du navire, il deviel-tdra possible d'obtenir, pour certaines pPriodes de la saison ... , des estimations importantes de la biomasse de krill que n'avaient jalnais pu produire les campagnes ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 155–163 : Auteur(s): Reid, K. and A.S. Brierley

10. An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort

    performs better in the case of zero detections and can potentially better handle the evasion of detection ... method used directly affects the system. This is the prevention/detection problem, in which the greater ... fishing (in the simulation datasets) for a given estimated level of fishing is very large. This range of ... sont proches de ceux de la méthode d’Agnew et Kirkwood (2005), ce qui suggère que la méthode actuelle ... de détections nulles et peut mieux traiter les cas d’évasion de la détection d’activités illégales ... la quantité de pêche et la quantité de pêche qui avait été estimée pour un nombre donné de sorties ... augmentation tant de l’estimation que du niveau moyen de pêche illégale. Ceci laisse entendre que la méthode ...

    Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 143–161 : Auteur(s): Ball, I

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