Résultats de la recherche
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Acoustic estimates of krill biomass in the Elephant Island area: 1981–1993
Paper Title: Acoustic estimates of krill biomass in the Elephant Island area: 1981–1993 Abstract ... / Description: Acoustic estimates of krill biomass in the vicinity of Elephant Island are presented for the ... BIOMASS IN THE ELEPHANT ISLAND AREA: 1981 - 1993 R.P. Hewitt Southwest Fisheries Science Center La ... /m2. Resume Estimations acoustiques de la biomasse du krill a proximite de l'ile Elephant pour les ... fondees sur des releves precedents ajustes en fonction de la definition recemment proposee de la reponse ... acoustique d u krill (Greene et al., 1991). Les estimations de la biomasse oscillent entre 267 X 103 ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 1–5 : Auteur(s): Hewitt, R.P. and D.A. Demer
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Geographical differences in the condition, reproductive development, sex ratio and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Subarea 88.1)
Paper Title: Geographical differences in the condition, reproductive development, sex ratio and ... study indicate measurable differences in a number of indices from toothfish found on the Ross shelf ... population had a unimodallength distribution at a consistent peak over all sampling seasons in comparison ... with the southern group (in which the distribution was multimodal), showed a consistent and ... 1.274 0.153 1588 1.291 0.155 27 Jan–17 Mar 02 1949 1.270 0.150 3220 1.280 0.170 12 Jan–23 Feb 03 992 ... les bancs et les caractéristiques topographiques plus isolés du nord. Il s’agit de la distribution ... développement reproductif. Les échantillons de D. mawsoni prélevés dans la partie nord de la mer de Ross ... montrent que cette composante de la population, contrairement au groupe du sud dont la distribution est ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 27–45 : Auteur(s): Fenaughty, J.M
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Assessments of the stocks of Notothenia rossii marmorata and Champsocephalus gunnari in the South Georgia area
in the South Georgia area Abstract / Description: The stocks of Notothenia rossii marmorata and ... Champsocephalus gunnari in the South Georgia area are assessed using USSR age sample data and recent biomass ... estimates from surveys by the FRG. These data indicate that the stock of N. rossii in 1985 was about 2.5% of ... . * * * * * * * * * * EVALUATIONS DES STOCKS DE NOTOTHENIA ROSSII MARMORATA ET CHAMPSOCEPHALUS GUNNARI DANS LA ZONE DE LA GEORGIE ... DU SUD J.G. Cooke (UICN) Les stocks de Notothenia rossii et de Champsocephalus gunnari dans la ... zone de la Georgie du sud sont evalues en utilisant les donnees d'echantillons d'age sovietiques et ... les estimations nkentes de la biomasse realisees cl partir d 'etudes de la Republique Federale ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 1-21 : Auteur(s): Cooke, J.G.
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Statistical problems in krill stock hydroacoustic assessments
Paper Title: Statistical problems in krill stock hydroacoustic assessments Abstract / Description ... applied to establish biomass in a survey area and the second is the improvement in accuracy of target ... -strength measurements. In the case of statistical methods, there are no clear guidelines for deciding what ... the population is fixed in space, relative to the sampling interval. There remain several unsatisfied ... la seconde est celle de I'amelioration de la precision des mesures de la reponse acoustique. Dans ... des methodes de recherche presument que la population est fixe sur le plan spatial, en rapport avec ... recherche et d'analyse des resultats. Pour ce qui est de la precision concernant la reponse acoustique ... , I'interet semble se trouver non pas dans la quantite absolue de biomasse presente dans une region, mais ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 301–309 : Auteur(s): Macaulay, M.C.
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Soviet proposals for a program of ecosystem monitoring in the Commonwealth Sea and Prydz Bay
Paper Title: Soviet proposals for a program of ecosystem monitoring in the Commonwealth Sea and ... Monitoring Program in the Prydz Bay area is proposed. Major components of the program are observations of ... Scientific Committee. PROPOSITIONS SOVIETIQUES POUR UN PROGRAMME DE CONTROLE DE L' ECOSYSTEME DANS LA MER ... DU COMMONWEALTH ET LA BAlE DE PRYDZ U.R.S.S. Les grandes lignes d'un programme international en ... cooperation au sein de la CCAMLR et port ant sur le controle de l' ecosysteme dans la baie de Prydz ont ete ... ' echant1110nnage et que toutes les activites relatives a la recherche soient coordonnees par les membres de la ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 355-362 : Auteur(s): USSR
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Preliminary results of a bottom trawl survey around Elephant Island in October and December 1987
Paper Title: Preliminary results of a bottom trawl survey around Elephant Island in October and ... Polarstern in October and December 1987. Preliminary results indicate rather stable stock compositions in ... Chaenocephalus aceratus, Notothenia gibberifrons and N. neglecta at least since February 1985. In N. rossii the ... proportion of larger (= older) fish in the catches increased. Composition of the catches of C. gunnari ... depuis fevrier 1985. En ce qui concerne N. rossii, la proportion de poissons plus ages dans les prises ... etait en augmentation. La composition des prises de C. gunnari etait nettement differente de celle des ... saisons precedentes, ce qui denoterait un echange avec C. gunnari d'autres plateaux de la zone de la ... de 1985. En N. rossii aument6 la proporci6n de peces de mayor tamafio (= de mas edad). La 185 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 185-200 : Auteur(s): Kock, K.-H.
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Food consumption by predators in a CCAMLR integrated study region
Paper Title: Food consumption by predators in a CCAMLR integrated study region Abstract ... consumption of seabird predators is provided. This model is a development of earlier ones used in the South ... Georgia Integrated Study Region and incorporates new features, allowing for seasonal variation in predator ... structure et le mode de fonctionnement d'un modele destine It evaluer la consommation de nourriture des ... oiseaux de mer predateurs. Ce modele a ete elabore sur des modeles anterieurs utilises dans la zone ... d'etude integree de la Georgie du Sud; de nouvelles caracteristiques qui tiennent compte de la variation ... saisonniere du poids des predateurs (et donc des besoins en energie), de la composition du regime alimentaire ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 489–519 : Auteur(s): Croxall, J.P., C. Ricketts and A.G. Wood
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Effect of line sink rate on albatross mortality in the Patagonian toothfish longline fishery
Paper Title: Effect of line sink rate on albatross mortality in the Patagonian toothfish longline ... vessels using bird-scaring lines and setting lines in propeller turbulence, longline sink rates >0.3 m ... turbulencia producida por la helice reducirian significativamente la captura incidental de albatros si ... palangre de 1'In Sung 66 (systeme espagnol de palangre double) utilisee pour la p&che B la legine. Orins ... , par une meilleure connaissance de la vitesse d'immersion des palangres et des capacites de plongke ... en fonction de la distance entre les lests. Des vitesses d'immersion asymptotiques (0,l-0,15m/s) ont ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 133–150 : Auteur(s): Robertson, G.G
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Myctophids in the diet of Antarctic predators
Paper Title: Myctophids in the diet of Antarctic predators Abstract / Description: The aim of ... , whales, fish and squids) in order to help evaluate the importance of myctophids in their diets. This ... review covers publications for the period since 1984-85 to the present. In total, over 50 publications ... found in the diet of one species of squid, 18 species of fish (Nototheniidae- eight, Channichthyidae ... methods, be carried out in different seasons and have a wide geographical coverage. Resume La ... de 1984/85 a nos jours. En tout, plus de 50 publications contenaient des informations sur la ... la plus elevee de Myctophidae. Le manchot royal de la region du front polaire antarctique de l'ocean ... , Gynmodraco acuticeps, de la mer Kosmonavtov (secteur de l'ocean Indien) pourrait etre le deuxieme predateur ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 335–368 : Auteur(s): Sabourenkov, E.
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Preliminary model of krill fishery behaviour in Subarea 48.1
Paper Title: Preliminary model of krill fishery behaviour in Subarea 48.1 Abstract / Description ... : A simple model of the behaviour of the krill fishery in FAO Statistical Subarea 48.1 (South Shetland ... catches in the subarea. A number of management scenarios are considered which involve the closure of (i) a ... Elephant Islands in alternate years would result in an average yearly catch similar to that at present ... anual semejante a la actual. Sin embargo, en esta hipdtesis ia captura se concentraria mas en las ... cuatro meses en la ~u%drea 48.1. 5e presentan 10s limites de confianza para las ca turas totales ... de la pecherie de krill dans la sous-zone 48.1 de la FAO (iles Shetland du Sud et peninsule ... antarctique). Les parametres du modPle sont derives des donnees de la p@cherie chilienne des annees 1989 a ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 71–79 : Auteur(s): Agnew, D.J. and V.H. Marín