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Commission pour la conservation de la faune et la flore marines de l'Antarctique

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  1. On the problem of fish tagging

    Abstract:  Data on bottom trawl catch of tagged fish are presented as well as results of tagging ... of some Antarctic fish in Subarea 88.1. Use of marked trawl hooks as an additional method of fish ... tagging is proposed for discussion. Author(s):  V.G. Prutko (Ukraine) Title:  On the problem of fish ...

    Meeting Document : WG-FSA-03/50 : Auteur(s): V.G. Prutko (Ukraine)

  2. Krill distribution patterns in the Atlantic sector of the Antarctic during the CCAMLR-2000 Survey

    Abstract:  The international CCAMLR Survey 2000 was conducted to support an updated estimate of ... the large scale krill biomass in the South Atlantic Sector of the Antarctic. Four vessels from Japan ... of acoustic targets. Analyses on the combined data sets from the net sampling program indicate that ... krill distribution showed three distinct geographical clusters of size frequency distributions. Small to ...

    Meeting Document : WG-EMM-00/6 Rev. 1 : Auteur(s): V. Siegel (Germany), S. Kawaguchi (Japan), F. Litvinov (Russia), V. Loeb (USA) and J. Watkins (United Kingdom)

  3. THE ISSUE OF NON-COMPLIANCE WITH CCAMLR TAGGING PROGRAM

    Exploratory Fisheries), the flag States of fishing vessels participating in exploratory fisheries are ... responsible for ensuring the tagging of Dissostichus spp., tag recovery and correct reporting. At CCAMLR XXVI ... assessment of compliance with the CCAMLR tagging program based on information contained in the Fish Stock ... Assessment Report 2007 and discovered a high level of non-compliance. The lack of reliable information can ...

    Meeting Document : CCAMLR-XXVII/BG/22 : Auteur(s): Delegation of Australia

  4. A REVIEW OF THE UNCERTAINTIES ASSOCIATED WITH PENGUIN POPULATION AND ABUNDANCE ESTIMATES FOR THE CCAMLR REGION

    Abstract:  This report reviews the availability of data describing penguin abundance in the CCAMLR ... Convention area, and the uncertainties in deriving overall abundance estimates from these counts. Counts of ... breeding colonies are available from a variety of sources and, when combined, coverage is thought to be ... been collected using various demographic units, and the timing of these have varied relative to ...

    Meeting Document : CCAMLR-IWC-WS-08/08 : Auteur(s): Trivelpiece, W., Fraser, B., Trathan, P., Ainley, D., Southwell, C., Bost, C., Hindell, M., Lyver, P., Ratcliffe, N., Woehler, E.

  5. Effects of sea-ice extent and krill or salp dominance on the Antarctic food web

    important during spring and summer through the formation of extensive and dense blooms. Although salps are ... reproduction and survival of krill larvae. Here we provide data from 1995 and 1996 that support hypothesized ... proportion of net primary production, and found correlations between herbivore densities and integrated ... chlorophyll-a that indicate that there is a degree of competition between krill and salps. Our analysis of the ...

    Meeting Document : WG-EMM-97/73 : Auteur(s): Hewitt, R., Trivelpiece, S., Fraser, W., Holm-Hansen, O., Siegel, V., Trivelpiece, W., Loeb, V.

  6. Fishes incidentally caught by Japanese Antarctic krill commercial fishery to the north of the South Shetland Islands in February 1997

    Niitaka Maru were made from 1 to 23 February, 1997 to the north of the South Shetland Islands. Among 80 ... hauls examined, a total of 61 specimens belonging to 4 families and 7 species, Electrona antarctica (50 ... hauls. Except for one channichthyid juvenile of Neopagetopsis ionah, by-catch fishes were referred to ... , Electrona antarctica of the Myctophidae was the most abundant. This species was found in 12 hauls, and its ...

    Meeting Document : WG-EMM-97/72 : Auteur(s): Iwami, T., Ichii, T., Naganobu, M., Kawaguchi, S.

  7. On the consequences of differentiating between adult and sub-adult survival rates in the krill-predators model

    growth rates, thus solving problems of lack of self-sustainability encountered in earlier model analyses ... split of the overall density dependence effect between the first year and following sub-adult years of ... life. Since evaluations of the level of resilience of a predator to krill fishing depend on the values ... annual population growth rate of 10%. Author(s):  Butterworth, D.S., Thomson, R.B. Title:  On the ...

    Meeting Document : WG-EMM-95/39 : Auteur(s): Butterworth, D.S., Thomson, R.B.

  8. Preliminary results of a feeding trial on the blue-eyed shag Phalacrocorax atriceps

    bransfieldensis during 45 days of the austral summer at Jubany Station, King George Island, South Shetland Islands ... improve the accuracy of weight estimations of fish ingested, calculated y means of equations based on ... otolith-lengths. The shag produced a total of 16 pellets, with a frequency of 1 every 2.5 days. It ... ingested willingly a mean ration equivalent to 31% of its mass, which is a higher energy requirement than ...

    Meeting Document : WG-CEMP-94/29 : Auteur(s): R. Casaux, M. Favero, E. Barrera-Oro and P. Silva (Argentina)

  9. Age distribution of breeding female Antarctic fur seals in relation to changes in population growth rate

    Abstract:  The age distribution of breeding female Antarctic fur seals at Bird Island, South ... Georgia, in 1988 was compared with the age distribution of a sample obtained in 1971-1973. The mean age in ... ), which was significantly lower than in 1971-1973. Indicators of population size suggested that population ... -1972. Exponential models fitted to the frequency distribution of age-classes greater than age 5 years ...

    Meeting Document : WG-CEMP-91/21 : Auteur(s): I.L. Boyd, N.J. Lunn, P. Rothery and J.P. Croxall (United Kingdom)

  10. Dense populations of the Antarctic scallop (Adamussium colbecki) in Terra Nova Bay (Subarea 88.1J): potential VMEs adjacent to the Terra Nova Bay ASPA (No. 161)

    Abstract:  Benthic communities of the Terra Nova Bay area (Ross Sea) close to the Italian station ... Mario Zucchelli is located, have been largely investigated in the last couple of decades. All the ... acquired knowledge supports the presence of very rich and diversified communities. This has led to the ... establishment of an ASPA (N° 161). The Antarctic scallop, Adamussium colbecki (Smith, 1902), is one of the most ...

    Meeting Document : WG-EMM-12/23 : Auteur(s): M. Chiantore and M. Vacchi (Italy)

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E-mail: ccamlr [at] ccamlr [dot] org
Téléphone: +61 3 6210 1111
Fax: +61 3 6224 8744
Adresse: 181 Macquarie Street, Hobart, 7000, Tasmania, Australia

 

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