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Is the attempt to estimate the biomass of Antarctic fish from a multi-species survey appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited
appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited Abstract ... / Description: Notothenia rossii was the fi rst target species in Southern Ocean fi sheries. The species was ... already heavily fished at the beginning of the 1970s. The closure of the fishery for this species in 1985 ... violated in the case of N. rossii, which is non-randomly distributed such that a large proportion of the ... 8611’, Biología pesquera. In: Resulta dos de la Campaña ‘Antártida 8611’. Publ. Espec., Insti. Esp ... 8604 La Jolla Shores Drive, La Jolla, CA 92037, USA Abstract Notothenia rossii was the fi rst target ... intensive au début des années 1970. La fermeture de la pêche de cette espèce en 1985 faisait partie des ... premières mesures de conservation adoptées par la CCAMLR. En général, la biomasse de poisson dans une sous ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 141–153 : Автор(ы): Kock, K.-H., M. Belchier and C.D. Jones
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Towards the development of a management plan for mackerel icefish (Champsocephalus gunnari) in Subarea 48.3
gunnari) in Subarea 48.3 Abstract / Description: Management of the mackerel icefish (Champsocephalus ... gunnari) at South Georgia is complicated by the likelihood of substantial periodic variations in natural ... mortality rates. These may be associated with increased consumption of C. gunnari by Antarctic fur seals in ... years of poor krill availability. Thus natural ortality of C. gunnari may, in some years, increase by a ... . gunnari in Subarea 48.3 realizan en el programa de seguimiento del ecosistema de la CCRVMA (CEMP) para ... generalizado de la CCRVMA (GYM), que toma en cuenta las variaciones periodicas de las tasas de mortalidad ... median value is 0.1, is exceeded in all the scenarios considered here and does not seem workable. De la ... mortalite naturelle. Ces variations peuvent @tre associees 21 l'accroissement de la consommation de C ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 63–77 : Автор(ы): Agnew, D.J., I. Everson, G.P. Kirkwood and G.B. Parkes
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Testing the performance of a recompiled version of TrawlCI to calculate confidence intervals of abundance in surveys of Patagonian toothfish (Dissostichus eleginoides) and mackerel icefish (Champsocephalus gunnari)
. We attribute this to differences in the minimisation routines of the recompiled version. We conclude ... long-term yield of Dissostichus eleginoides or Champsocephalus gunnari Author(s): T.D. Lamb, W.K. de ... la Mare and A.J. Constable (Australia) Title: Testing the performance of a recompiled version of ... TrawlCI to calculate confidence intervals of abundance in surveys of Patagonian toothfish (Dissostichus ...
Meeting Document : WG-FSA-SAM-05/14 : Автор(ы): T.D. Lamb, W.K. de la Mare and A.J. Constable (Australia)
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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 : Автор(ы): Hewitt, R.P. and D.A. Demer
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Estimation of the biomass of krill in Prydz Bay during January/February 1991, February/March 1992 and January/ February 1993 using echo integration
Abstract: Hydroacoustic surveys of the abundance of krill (Euphausia superba) in the Prydz Bay ... region were undertaken in January/February 1991, February/March 1992 and January/February 1993. The ... surveys indicated some association of krill with the shelf break in the western part of the survey area ... and the centre of the Prydz Bay region but also found that the shelf break was in general not a region ...
Meeting Document : WG-Krill-94/21 : Автор(ы): T. Pauly and I. Higginbottom (Australia)
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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 ... 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 ... multimodale, a une distribution de longueurs unimodale d’une valeur maximale constante quelle que soit la ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 27–45 : Автор(ы): 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 : Автор(ы): 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 : Автор(ы): Macaulay, M.C.
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A candidate process for managing the krill fishery at a local scale for krill predators, particularly in the early phases of the development of the krill fishery
application is demonstrated. Author(s): A. Constable, S. Kawaguchi, C. Southwell, L. Emmerson, W. de la Mare ... Abstract: In this paper, we develop a candidate management system for the krill fishery suitable ... for achieving objectives for krill and its predators in local areas. We also indicate how this ... management system can be made operational in the early phases of a fishery in a local area, which can then be ...
Meeting Document : WG-EMM-15/55 Rev. 1 : Автор(ы): A. Constable, S. Kawaguchi, C. Southwell, L. Emmerson, W. de la Mare, P. Ziegler, D. Welsford and J. Melbourne-Thomas (Australia)
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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 : Автор(ы): USSR
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