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Комиссия по сохранению морских живых ресурсов Антарктики

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  1. Results of phase I of the Russian research program for toothfish fishery in Subarea 88.3 during the 2010/11 season

    Abstract:  In accordance with decision of SC-CCAMLR in 2010, the Russian Federation conducted ... been made, the total number of exposed hooks being 87,096. The research program covered SSRU B, C, and ... D of Subarea 88.3. In SSRU A longlines were not investigated because ice conditions were difficult ... . All toothfish catches and by-catch were subjected to biological analysis. 30 toothfish individuals of ...

    Meeting Document : WG-FSA-11/36 : Автор(ы): Delegation of Russia

  2. A RISK ASSESSMENT TO ADVISE ON STRATEGIES FOR SUBDIVIDING A PRECAUTIONARY CATCH LIMIT AMONG SMALL-SCALE MANAGEMENT UNITS DURING STAGE 1 OF THE STAGED DEVELOPMENT OF THE KRILL FISHERY IN SUBAREAS 48.1, 48.2, AND 48.3.

    Abstract:  We used Foosa and the reference set of parameterizations developed by Watters et al ... . Implementation of Fishing Option 2 (using the subdivisions reported here) will require that the fishery mostly ... operate in pelagic SSMUs. Up to harvest rates of 0.5 x γ, this subdivision is unlikely to reduce predator ... populations to 75% or less of the abundances that might occur in the absence of fishing; the risks of such ...

    Meeting Document : WG-EMM-08/30 : Автор(ы): G.M. Watters, J.T. Hinke (USA) and S. Hill (United Kingdom)

  3. DISTRIBUTION OF KRILL AT THRESHOLD DENSITIES SUITABLE FOR FISHING IN THE ATLANTIC SECTOR: ANALYSIS OF THE 2000 SYNOPTIC SURVEY DATA

    shelf SSMUs in terms of the frequency of 1nm integration units with krill densities above and below a ... range of threshold values. 2. In general pelagic SSMUs had markedly lower frequencies of fishable ... smaller for higher thresholds. 4. The contrasting probability of encountering fishable concentrations in ... viable in pelagic SSMUs. This is despite the fact that the absolute abundance of both krill and fishable ...

    Meeting Document : WG-EMM-08/16 : Автор(ы): S. Hill and D. Agnew (United Kingdom)

  4. Estimation of size at maturity and calculation of an appropriate size limit for male Paralomis formosa

    Abstract:  A number of weighted smoothing splines were fit to data on carapace length and size ... -specific, median chela height of Paralomis formosa. The second derivative of the spline which made the best ... tradeoff between goodness of fit and smoothness was used as an estimate morphometric size at maturity ... . Bootstrapping techniques provided a bias-corrected estimate of morphometric size at maturity (sBc) equal to 80 ...

    Meeting Document : WG-FSA-96/35 : Автор(ы): Watters, G.

  5. A comparison of acoustic targets at South Georgia and the South Orkney Islands during a season of profound krill scarcity

    Abstract:  Dual frequency (38 and 120 kHz) acoustic surveys of shelf-break regions in the vicinity ... of Willis Islands, South Georgia and Coronation Island, South Orkneys, both in the Atlantic sector of ... zooplankton (smaller than krill). To counter the absence of krill length-frequency data from Coronation Island ... distribution in both regions was extremely patchy, resulting in a highly skewed frequency distribution of ...

    Meeting Document : WG-EMM-95/75 : Автор(ы): Watkins, J.L., Brierley, A.S.

  6. A comparison of geostatistical and random sample survey analyses of Antarctic krill acoustic data

    Abstract:  Data from the acoustic surveys of MV SA "Aghulas" and FRV "Walter Herwig ... geostatistical methods. Estimates of mean density (g m-2) of krill and their variances are compared with ... sampling theory. A further high-resolution geostatistical analysis of the MV SA "Aghulas" (ping ... -by-ping) data set of the density of each individual aggregation is also presented. These analyses ...

    Meeting Document : WG-EMM-95/76 : Автор(ы): Murray, A.W.A.

  7. Population assessment of Patagonian toothfish in the north of Subarea 48.4 – 2010 update

    Abstract:  The target tagging rate of 5 fish per tonne was exceeded by both vessels, with 232 D ... . eleginoides tag recaptures in 2009/10, a total of 72 in all seasons; The length-frequency of 2009/10 captures ... is consistent with the theory that the bulk of the biomass is dominated by a small number of cohorts ... currently assumed for the 48.3 population CASAL estimates of D. eleginoides population size in the North of ...

    Meeting Document : WG-FSA-10/39 : Автор(ы): J. Roberts and D. Agnew (UK)

  8. Pairwise tag performance: testing the sensitivity of the tag detection index and the mortality of tagged fish index

    Abstract:  Vessel-specific indices of tag detection rates and tagging mortality rates were ... temporal variability of fishing operations by pairing each individual tag release or recapture event with ... and in the same fishing season). The method showed that when the confounding effects of variable ... with respect to the tag detection index in the Ross Sea region. Here we present the results of ...

    Meeting Document : WG-FSA-13/50 : Автор(ы): S. Mormede (New Zealand)

  9. Background and criteria of establishment of Marine Protected Area (MPA) in the Weddell Sea

    Abstract:  Present work contains considerations and proposals of possible joint research of ... Russian and German scientists in the eastern part of the Weddell Sea. Data on potentially valuable for ... commercial fishing species in the eastern part of the Weddell Sea collected by German investigators in 1979 ... -1989 are also included, as well as results of Russian longline survey of Antarctic toothfish in 2013 ...

    Meeting Document : WG-EMM-14/23 : Автор(ы): A.F. Petrov, V.A. Bizikov, K.V. Shust and E.F. Uryupova (Russia)

  10. Report on 2015 Activities of the Southern Ocean Observing System relevant to the work of CCAMLR

    been steadily developing its work.  In this paper, we summarise the outcomes of strategic planning over ... .  These are described more fully in the paper.  In conclusion, we discuss the value of developing a ... 2015 and a recent meeting of the SSC and workshop aimed at implementing the strategic plan.  SOOS is ... of the CCAMLR area.  The capability working groups aim to develop long term capabilities of SOOS ...

    Meeting Document : WG-EMM-15/61 : Автор(ы): A. Constable (Australia), O.R. Godø (Norway) and L. Newman (SOOS)

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