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

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  1. Results of fish stock assessment survey, South Georgia region, November - December 1986

    trawl equipped with 80 mm mesh and a 20 mm liner. Distance between wing nets averaged 20.6 m, and ... %, respectively, of the 1984/85 estimates. Specimens ranged in length from 27-68 cm, with a mean length of ... obtained north and southeast of South Georgia (Figure 4), with the single largest catch (204.8 kg ... , with an overall mean length of 22.3 cm. Depending on the age-length schedule used, - 148 - modes ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 143-183 : Auteur(s): Gabriel, W.L.

  2. Midwater trawl catchability as an aspect of a quantitative assessment of krill biomass conducted using a trawl census survey

    trawl parameters. Reliability of biomass assessments will improve with better knowledge of trawl ... will improve with better knowledge of trawl catch ability and krill distribution patterns. A ... this regard: • specific biomass densities are determined practically with the same degree of ... ). Distributional patterns were assessed in accordance with a set of standard methods (Anon., 1985b). The ... catch with krill biomass estimates obtained using echo integrators located in the effective trawling ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 257–272 : Auteur(s): Kasatkina, S.M.

  3. Preliminary model of krill fishery behaviour in Subarea 48.1

    restricted to the four months December to March, compares favourably with the historical distribution of ... Agnew and Marin Table 5: Distribution of catches predicted by the model with the imposition of a l00 ... , Australia V.H. Marin Depto. de Ciencias Ecologicas Universidad de Chile, Santiago, Chile Abstract A ... restricted to the four months December to March, compares favourably with the historical distribution of ... ~xcx Ha Cylrre XHWHMKOB. Agnew and Marin Resumen Se presenta un modelo simple del ...

    Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 71–79 : Auteur(s): Agnew, D.J. and V.H. Marín

  4. Moulting interval and growth of juvenile Antarctic krill fed different concentrations of the diatom Phaenodactylum tricornutum in the laboratory

    field. Growth conditions of krill in the Southern Ocean are discussed, with special reference to the ... krill in the Southern Ocean are discussed, with special reference to the available food concentration ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 223-225 : Auteur(s): Ikeda, T. and P.G. Thomas

  5. Sensitivity analysis for parameters of predatory species CCAMLR Ecosystem Monitoring Program

    vertebrate population parameters of interest with acceptable reliability. To comment on the suitability of ... simulated, and variances estimated if no real data exist, the use of actual data with 'real' variance ... enables estimates of required sample sizes for specified detection capabilities to be made with greater ... most instances the data were collected in conjunction with other research programs with their own ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 411–432 : Auteur(s): Whitehead, M.D.

  6. Patagonian toothfish in international waters of the Southwest Indian Ocean (Statistical Area 51)

    made at depths between 360 and 1 950 m. D. eleginoides was present in all hauls, with catches varying ... 950 m. D. eleginoides was present in all hauls, with catches varying from 53 to 1 158 kg. The ... , comparing the current length structure of catches with others from previously described places. Results ... being present in all hauls, with catches varying from 53 to 1 158 kg. This circumstance makes it ... seems that the presence of this front as a dynamic process, in combination with the presence of ...

    Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 207–214 : Auteur(s): López Abellán, L.J

  7. Brief comments on the simulation study made by Professor Butterworth on krill fishing by an individual Japanese trawler

    . Finally, attention is drawn to the unrealistic behaviour of the simulation model with respect to the ... behaviour of the simulation model with respect to the values used for the minimum catch rate per overall ... , the demand for each product can be seen to change from year to year. We do, therefore, agree with him ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 347–350 : Auteur(s): Ichii, T. and Y. Endo

  8. Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a krill abundance index

    correlations with previously published interannual series of acoustic density estimates from scientific surveys ... cant correlations with previously published interannual series of acoustic density estimates from ... the krill supply to the factory, with the result that production is constant above this point. By ... fi shing grounds matched reasonably well with the two survey boxes. Statistical methods Analysis ... levels of bssmu.f. Analysis of CPST The same methods were used to model CPST (kg/min) with the ...

    Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 1–28 : Auteur(s): Kawaguchi, S., S. Candy, S. Nicol, K. Taki and M. Naganobu

  9. Revised estimates of seabed areas within the 500 m isobath of the South Orkney Islands (subarea 48.2) and consequences for standing stock biomass estimates of nine species of finfish

    donnees acoustiques sur le fond marin disponibles depuis peu. La region est comprise entre 60.2"-62.2'5 ... fond marin & l'intkrieur de l'isobathe 500 m (C.-&-d. de 0 a 500 m) sont calcul6es par intervalles de ... 50 m de profondeur. Les calculs de la surface reposent sur la surface interpolee de fond marin ... , Chionodraco rastrospinosus and Lepidonotothen squamifrons. Estimates of standing stock biomass, along with ...

    Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 197–204 : Auteur(s): C.D. Jones

  10. Krill (Euphausia superba Dana) resources and distribution in the Wilkes Land area in the seasons 1986 to 1989

    involved in the survey with one vessel conducting commercial krill fishing. The whole survey area from the ... with one vessel conducting commercial krill fishing. The whole survey area from the coast to ... commercial-sized trawl with a vertical opening of 42 to 44 m. Mesh size in the codend was 10 mm. A trawl ... found covered by ice with krill concentrations observed in immediate proximity to the ice edge. When ... with gyres. This is particularly obvious from the data for subarea I in 1988 and for subarea Il in ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 149–162 : Auteur(s): Dolzhenkov, V.N. and V.P.Timonin

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