Resultados de la búsqueda
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Genetic analysis of Antarctic toothfish samples from the Southern Ocean to explore potential stock boundaries
58.4.2. D. mawsoni appeared to be characterized by low diversity; no genetic variation was detected with ... . It is recommended that the Ross Sea D. mawsoni be treated as a separate stock unit. Author(s): P.J ...
Meeting Document : WG-FSA-04/32 : Autor(es): P.J. Smith, S.M. McVeagh (New Zealand) and P.M. Gaffney (USA)
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Estimates of bird by-catch by IUU vessels in Subarea 48.3, 1998–2001
rates in the illegal fishery, and that these were more likely to be similar to the bird catch rates made ... bootstrapping option, which should be used by WG-FSA/IMAF in future estimates of bird bycatch rates are: a ...
Meeting Document : WG-FSA-03/56 : Autor(es): D.J. Agnew (United Kingdom)
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Notes for identifying the three macrourid species, M. holotrachys, M. whitsoni and M. carinatus in CCAMLR Subarea 48.3
scaled). The relative positioning of the second dorsal fin and the anal fin can also be used to ... , combinations of 2 or more characters should be successful. Genetic analysis of liver samples will confirm ...
Meeting Document : WG-FSA-02/29 : Autor(es): S.A. Morley, M. Belchier, M.G. Purves, T. Mulvey and J. Dickson (United Kingdom)
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An updated assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity and extension taking commercial catch-at-length data into account
previously, but a spawning biomass nevertheless still estimated to be heavily depleted and at a level of only ... the assessment model be refined to provide a consistent explanation of all the available data, as this ...
Meeting Document : WG-FSA-02/76 : Autor(es): A. Brandão, D.S. Butterworth, B.P. Watkins and L. Staverees (South Africa)
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Review of rattail and skate by-catch and analysis of rattail standardised CPUE from the Ross Sea toothfish fishery in Subarea 88.1 from 1997/98 to 2001/02
reviewed and the accuracy of data recording was investigated. Current systems were considered to be ... be a useful method for the on-going monitoring of this bycatch species, and continued monitoring of ...
Meeting Document : WG-FSA-02/40 : Autor(es): R.G. Blackwell and S.M. Hanchet (New Zealand)
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Some comments on the procedure of krill target strength assessment in echosurveys
in echosurveys is discussed. It is known that krill abundance and biomass estimation should be ... requires another approach to echosurveys, since two actually independent task should be solved in that case ...
Meeting Document : WG-EMM-98/21 : Autor(es): S.M. Kasatkina (Russia)
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The Ross Sea toothfish fishery: proposal for conditional transition of classification from exploratory to established
be undertaken. In fact, many biological characteristics of D. mawsoni are now well understood, and ... that it should be re-classified. To ensure that sufficient data are acquired to continue assessment of ...
Meeting Document : WG-FSA-11/32 : Autor(es): C. Jones (USA) and S. Hanchet (New Zealand)
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Unhappy feet: the reduction of Adélie and chinstrap penguin populations in the West Antarctic Peninsula/Scotia Sea
. Trivelpiece et al. argue that the reduction of the populations of both species could be attributed to changes ... significant impacts on these species. CM 51-07 should be maintained until sufficient information is acquired ...
Meeting Document : CCAMLR-XXX/BG/21 : Autor(es): Submitted by ASOC
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Estimation of catch rate and mean weight in the exploratory Dissostichus fisheries across Divisions 58.4.1 and 58.4.2 using generalised additive models
D. mawsoni) have been operating since 2003. Formal stock assessments have yet to be developed for ... shown to be an important area for pre-adult D. mawsoni. Development of similar models to analyse fishery ...
Meeting Document : WG-FSA-11/35 : Autor(es): D.C. Welsford (Australia)
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PROPOSAL TO VARY THE REQUIREMENT TO TEST SINK RATES FOR INTEGRATED WEIGHT LONGLINE (IWL) GEAR PRIOR TO ENTERING THE CONVENTION AREA
could instead be conducted in the first week of fishing inside the Convention Area, potentially reducing ... conditions to be satisfied include that the vessel used IWL gear in the immediate previous season that fully ...
Meeting Document : WG-FSA-08/36 : Autor(es): I. Hay (Australia)