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  1. Assessments of the stocks of Notothenia rossii marmorata and Champsocephalus gunnari in the South Georgia area

    for Conservation of Nature and Natural Resources Avenue du Mont Blanc 1196 Gland, Switzerland 1. NOTOTHENIA ... by weight, the mean weight of fish caught is used where this is recorded. Where this is not recorded ... in the USSR samples. This means that the biomass estimates will overestimate the catchable biomass available ... , unless the quota were set very conservatively. Regulation of the maximum level of fishing mortality ... in the South Georgia area Abstract / Description:  The stocks of Notothenia rossii marmorata and ... estimates from surveys by the FRG. These data indicate that the stock of N. rossii in 1985 was about 2.5% of ... Paper Title:  Assessments of the stocks of Notothenia rossii marmorata and Champsocephalus gunnari ... Champsocephalus gunnari in the South Georgia area are assessed using USSR age sample data and recent biomass ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 1-21 : Author(s): Cooke, J.G.

  2. Biomass of myctophids in the Atlantic sector of the Southern Ocean as estimated by acoustic surveys

    surveys were conducted in the region, where concentrations of myctophids were observed. Values of mean ... track was estimated by means of the formulae: p- Mo N- cr(L) (1) or P- Mo (2) w- 103crkg ... (L) then cr(L) = 41t · 100.1-TS(L) (3) crkg = cr~) (4) where PN = mean density (fish per square mile ... ), Mo = mean echo intensity over the transect (number of echo readings covered) (MZ/square miles ... Paper Title:  Biomass of myctophids in the Atlantic sector of the Southern Ocean as estimated by ... acoustic surveys Abstract / Description:  Acoustic surveys carried out in the summer and autumn of 1987 ... -1989 estimated the biomass of myctophids in the Atlantic sector of the Southern Ocean between 48° and ... species, Electrona carlsbergi, were found only in some limited areas. The bulk of the surveyed biomass of ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 417–431 : Author(s): Filin, A.A., K.V. Gorchinsky and V.M. Kiseleva

  3. Population genetic structure of Patagonian toothfish in the West Indian Ocean sector of the Southern Ocean

    0.662 0.918 0.463 0.810 0.942 Mean N 38.3 36 36.8 28.3 34.5 38 24.3 Nallele 1.5 10.8 10 14.8 ... the null hypothesis does not mean that stock structuring does not exist within this sector, only ... . Conservation Biology, 14: 1287–1297. Williams, R., A.J. Smolenski and R.W.G. White. 1994. Mitochondrial DNA ... Paper Title:  Population genetic structure of Patagonian toothfish in the West Indian Ocean sector ... structure of Patagonian toothfish (Dissostichus eleginoides) in the West Indian Ocean sector of the Southern ... of the Southern Ocean Abstract / Description:  Molecular markers were used to investigate the stock ... Ocean. Four collections of D. eleginoides from Kerguelen (n = 1), Crozet (n = 1) and Prince Edward and ...

    Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 21–32 : Author(s): Appleyard, S.A., R. Williams and R.D. Ward

  4. Bias in the estimation of krill yield from using a deterministic formulation of the median unexploited spawning biomass

    annuels B long terme. Monenb BbInOBa KpHnR H 0 6 0 6 W e ~ ~ a R MOAenb BbIn ... H YEcneHHocTH HccneAyeMoro sanaca. B HacToxmee BpeMX AHTKOM HCIIOJIb3yeT MOAenb BbInOBa KpHJIR AnR OnpeAeneHHx ... O ~ P ~ H H Y ~ H H ~ ~ Ha BMJIOB KPHnR, B TO BpeMR KaK GY-~ofleJIb TIpHMeHReTCR AJIR PaCveTa BbInOBa IInaBHHKOBbIX pb16 ... flnX flaHHOr0 IIpOrOHa. B MOAeJIM BbInOBa KPHJIR HCnOnb3yeTCR CMeWeHHaR OUeHKa ... Paper Title:  Bias in the estimation of krill yield from using a deterministic formulation of the ... ) whether the stock became critically depleted in that trial and (ii) the status of the stock at the end of ... method for correcting this bias in the level of escapement. The GYM uses an unbiased estimate of the ... yield. The results show that the biased estimate results in a bias of the probability of critical ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 1–8 : Author(s): Constable, A.J. and W.K. de la Mare

  5. A simulation study of the method of refining the natural mortality coefficient with Champsocephalus gunnari in Subarea 48.3 used as an example

    that the free component of the regression equation between the mean-weighted coefficient of natural mortality ... component of the regression equation between the mean-weighted coefficient of natural mortality as defined ...

    Meeting Document : WG-FSA-91/25 : Author(s): P.S. Gasiukov and R.S. Dorovskikh (USSR)

  6. Krill biomass estimates for two survey boxes to the north east and north-west of South Georgia in January 1996: the beginning of a five-year monitoring program

    for estimates of length frequency distributions. Weighted mean krill lengths of 29.5 mm for box 1 and 32.0 mm ... for estimates of length frequency distributions. Weighted mean krill lengths of 29.5 mm for box 1 and 32.0 mm ... , δmvbs < 2 dB), and a mean weighted biomass and variance estimate for each fraction was derived from ... 1= -39.13 dB, in box 2 = -39.03 dB). Weighted mean krill density estimates (and their weighted variances ...

    Meeting Document : WG-EMM-96/18 : Author(s): Watkins, J.L., Murray, A.W.A., Brierley, A.S.

  7. Assessing the feasibility of regional surveys of land-based predator abundance in the Southern Ocean: a framework for decision making and planning

    that it be applied at the workshop to a selected region as a means of both assessing and/or developing the framework ... that it be applied at the workshop to a selected region as a means of both assessing and/or developing the framework ...

    Meeting Document : WG-EMM-02/45 : Author(s): C. Southwell (Australia)

  8. Robust characterisation of the age structure, growth and recruitment of toothfish in the Macquarie Island and Heard Island and McDonald Islands fisheries

    population dynamics of toothfish including growth rates, mean recruitment levels and interannual variability ... population dynamics of toothfish including growth rates, mean recruitment levels and interannual variability ...

    Meeting Document : WG-FSA-12/P07 : Author(s): D.C. Welsford, S.G. Candy, J.J. Verdouw and J.J. Hutchins

  9. Long-term study of the at-sea distribution of seabirds and marine mammals in the Scotia Sea, Antarctica

    Right, Fin and Minke, which had different abundances during our study. Fin whale had the highest mean ... and Minke, which had different abundances during our study. Fin whale had the highest mean encounter rate ...

    Meeting Document : WG-EMM-14/06 Rev. 1 : Author(s): J.L. Orgeira, M. Alderete, Y.G. Jiménez and J.C. González (Argentina)

  10. An updated glossary of terms relevant to the management of Vulnerable Marine Ecosystems (VMEs) in the CCAMLR Area

    between the terms and the means by which terms might be combined quantitatively to inform the evaluation ... and the means by which terms might be combined quantitatively to inform the evaluation of fishing impacts ...

    Meeting Document : WG-FSA-10/28 : Author(s): B.R. Sharp and S.J. Parker (New Zealand)

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