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1. Acoustic data analysis and models of krill spatial distribution

   , the spectra of temperature and chlorophyll appeared very similar, and the mean slopes of the temperature ... of the observations 67%) can be attributed to the first lognormal distribution (mean log (biomass)) = 0.18, SO=0.49 ... ) and one third (33%) to a second log normal distribution (mean=1.76, SO=0.51). These two distributions may ... correspond to the between and within patch biomass (mean biomass between patches = 2.8 g/m2, apparent mean ... / Description:  Acoustic data obtained on 4-5 January 1987 aboard the R/V Professor Siedlecki were used in three ... descriptors of krill spatial aggregation: power spectra for krill biomass fluctuations in space, semivariogram ... (spatial autocorrelation of krill biomass) and the frequency distribution of krill biomass estimate. The ... wavenumber spectrum resembles a white noise at scales of 2-20 km, although at scales smaller than 1 km the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 311–329 : Author(s): Morin, A., A. Okubo and K. Kawasaki

2. Differentiation of independent populations of Antarctic krill

   pattern ofEuphausia superba Dana. Trudy VNIRO, v. 77, p. 85-92. Makarov R.R. 1974. Dominance of larval ... . superba in the Southern Ocean subdivided into several independent sub-populations. The number of these sub ... :  Several countries have recently shown an interest in commercial krill fishing. An understanding of krill ... of recent studies in genetic and morphophysiological variability of krill and Antarctic water ... circulation. On the basis of the review, it is suggested that there is probably one composite population of E ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 275-281 : Author(s): USSR

3. On reproduction of Electrona carlsbergi (Tåning)

   H COBna,llaeT C JIeTHe-OceHHHM nepHO,llOM B IO)KHOM nOJIymapHJ.f. * Polar Research Institute of Marine ... . 1981. Results of the research cruises ofFRV Waiter Herwig to South America. Family Myctophidae ... of the Southern Ocean. From materials available it has been ascertained that E. carlsbergi spawns in ... presents results from histological examinations of gonads of Electrona carlsbergi from the Atlantic sector ... the notal waters. Maturation of females begins when body length reaches 76 to 78 mm. Vitellogenesis is ... . Maturation of ovaries is continuous, and spawning is serial. The spawning season is long and coincides with ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 397–409 : Author(s): Mazhirina, G.P.

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

   monitoring continued in discussions of the Commission for the Conservation of Antarctic Marine Living ... the mean. While data sets can be simulated, and variances estimated if no real data exist, the use ... Secretariat and Convener ofCEMP. This report summarizes some preliminary data on various Adelie penguin ... (K-S); z=0.037, p=0.354 and z=0.071, p=0.239 for 1987 and 1988 respectively). The means and variances ... such a treatment of data obtained at the Magnetic Island Adélie penguin colony in Prydz Bay in the 1987 ... Program Abstract / Description:  Following the request of the Scientific Committee of CCAMLR to conduct ... Paper Title:  Sensitivity analysis for parameters of predatory species CCAMLR Ecosystem Monitoring ... /88 and 1988/89 breeding seasons. The data on the following parameters were analyzed: adult weight on ...

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

5. Antarctic krill and ecosystem management – from Seattle to Siena

   , the Antarctic Treaty Consultative Parties initiated negotiations to provide for the management, conservation ... on the Conservation of Antarctic Marine Living Resources (‘CAMLR Convention’), which was signed in Canberra in 1980 ... 1) not only strove to ensure the conservation and rational use of Antarctic marine living resources directly ... Sustainable Yield (MSY) (Beverton and Holt, 1956; Sissenwine, 1978) as a means to set appropriate catch ... / Description:  This paper outlines CCAMLR’s development of a management approach for the Antarctic krill ... to be consistent with the objectives of the CAMLR Convention, particularly its Article II. Emphasis ... is given to the initiation of the CCAMLR Ecosystem Monitoring Program (CEMP) and the deliberations of ... approach developed in order to calculate a precautionary catch limit for the krill fishery in various ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 175–212 : Author(s): Miller, D.G.M

6. Growth and natural mortality of Patagonian rockcod (Patagonotothen guntheri shagensis) from Shag Rocks shelf

   was assessed by six different methods and was within a range of 0.63 to 1.06. The mean value of natural ... methods and was within a range of 0.63 to 1.06. The mean value of natural mortality M=0.8 was used ... and was within a range of 0.63 to 1.06. The mean value of natural mortality M=0.8 was used in calculations ... g with the mean weight of about 40 g. The maximum age of P.g. shagensis is 7 years and fish of 2 to 5 years ... method with F=O: M = Z where T t ' 1 = 0.94 f - t' mean age of fish, 3.42 years age of year ... is shown in Figure 2. The mean age of fish was determined from the data on age composition: T = 2 x 0.07 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 111–121 : Author(s): Shlibanov, V.I.

7. Characteristics of krill swarms from Prydz Bay

   , Antarctica, in December 1990. Swarm length, depth, thickness, Mean Volume Backscattering Strength (MVBS ... of Prydz Bay, Antarctica, in December 1990. Swarm length, depth, thickness, Mean Volume Backscattering ... length, depth, thickness, Mean Volume Backscattering Strength (MVBS) and inters warm length were ... costa. 1. IN1RODUCTION This paper explains the derivation of the CCAMLR.AUS dataset available ... as Mean Volume Backscattering Strength (MVBS) integrated in 25 m depth intervals over a 225 m range ... , and distance was calculated using mean speeds derived from the ship's positional data. The ping data ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 177–189 : Author(s): Agnew, D.J. and I.R. Higginbottom

8. Choosing distance between acoustic survey tacks

   of mean weighted assessment, global and local averaging. The statistical characteristics of field ... Acoustics, Bergen, Norway, 21-24 June 1982, No 65, 19 p. Kizner Z.1. Mathematical simulation as a means ... on the basis of typical size of the surveyed region, allowable relative error in the biomass estimate ... , and the variation coefficient of the density values of the krill concentrations. It is recommended ... that the suggested criterion be applied in real hydroacoustic surveys. File:  08-Kalikhman-et-al.pdf ... mathematical model was used to show that the distance between acoustic survey tacks can reasonably be selected ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 153-164 : Author(s): Kalikhman, I.L., Z.I. Kizner, B.R. Zaripov and W.D. Tesler

9. Can we use discriminant function analysis to sex penguins prior to calculating an index of a morphometric characteristic?

   that there is a difference between the real mean characteristic for a sex, and the apparent mean derived by sexing the birds ... of birds with greater than 80% success, the difference between the true and apparent mean is likely ... distributions are used to show that there is a difference between the real mean characteristic for a sex ... , and the apparent mean derived by sexing the birds using discriminant analysis. When discriminant functions ... normal distributions are used to show that there is a difference between the real mean characteristic ... for a sex, and the apparent mean derived by sexing the birds using discriminant analysis. When ... , the difference between the true and apparent mean is likely to be undetectable when fewer than 600 birds ... in males and females but the means are sufficiently close that there is some overlap between ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 259–272 : Author(s): Agnew, D.J.

10. Temporal variability and the interrelationships between CEMP parameters collected on Adélie penguins at Béchervaise Island

    was exam- ined in the correlation matrix analyses. This meant that some years were excluded from ... , the mean for each parameter for male and female birds was calculated and used in the Friedman analysis ... skewed. Mean trip duration for each bird was calculated and a pooled mean across birds used ... for correlations with breeding success were also reported. The mean standard deviation (SD) and coeffi cient ... output from the Automated Penguin Monitoring System (APMS), were also examined in terms of their ... Adélie penguins at Béchervaise Island Abstract / Description:  Temporal variability in a series of CCAMLR ... . The low degree of correlation between parameters collected before incubating nest counts with those ... correlation with breeding success. Results indicate that low weights of females at the time they depart after ...

    Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 75–90 : Author(s): Emmerson, L.M., J. Clarke, K.R. Kerry and C. Southwell

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