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1. Detection and quantitative estimation of krill concentrations by hydroacoustic instruments

   in areas surveyed. The task of detecting surface concentrations of krill can be solved with the help ... FIBEX program. It was shown that the hydroacoustic device Simrad SK-120, with TVG switched off, is ... detecting surface concentrations of krill can be solved with the help of towed acoustic antennae. The ... shown that the hydroacoustic device Simrad SK-120, with TVG switched off, is capable of registering ... eddies, with certain oxygen, silicon, phosphorus concentrations and other hydrological conditions. Such ... . With the onset of darkness, the groups and aggregations usually come closer to the surface and ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 123-139 : Author(s): Yudanov, K.I.

2. Estimating krill recruitment and its variability

   and above) of 0.339 with a standard deviation (SD) of 0.100. The corresponding result for recruitment ... nine surveys is 0.552 with a standard deviation of 0.074. A number of the assumptions needed for ... number of krill aged one year to the number of krill aged one year and above) of 0.339 with a standard ... two-year-old krill to the number aged two and above) from nine surveys is 0.552 with a standard ... . The problem with krill is that there is no reliable method of direct age determination. One indirect ... with the length frequency distributions of each age class. It is clear that there is little prospect ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 55–69 : Author(s): de la Mare, W.K

3. Status of the krill stock around Elephant Island in 1991/92 and 1992/93

   AROUND ELEPHANT ISLAND IN 1991192 AND 1992193 V. Loeb Moss Landing Marine Laboratories PO Box 450 ... austral summers of 1991/92 and 1992/93 are described and compared with information from previous years ... other years appears to be associated with female maturity development and spawning during the early ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 7–33 : Author(s): Loeb, V. and V. Siegel

4. Models of tag shedding for double tagging as a function of time at liberty and approximate solutions for the single tagging model in CASAL

   software applies this model correctly for fish released with a single tag but does not have the facility at ... present to correctly apply the KW model for fish released with two tags. The solution of Dunn et al. (2005 ... combined with a sensitivity analysis that varies the KW constant rate parameter in CASAL assessments ...

   Meeting Document : WG-SAM-11/12 : Author(s): S.G. Candy (Australia)

5. Fish and invertebrate by-catch from Australian fisheries for D. eleginoides and C. gunnari in Division 58.5.2

   with distances travelled ranging between 1 and 7 nautical miles. The time at liberty varied between 208 ... and 823 days, with most skates at liberty for approximately one year. Estimates of growth were very ... low, with average increments of 12 mm per year in total length, 17 mm per year in disk width and 0.1 ...

   Meeting Document : WG-FSA-03/73 : Author(s): E.M. van Wijk and R. Williams (Australia)

6. Uncertainty in echosounder calibrations

   , 0.3, and 0.1 dB with standard deviations of 0.0, 0.3, and 0.2 dB, respectively. The operative measure ... (derived by peak intensities), differed from the theoretical values by-0.2, O.4, and 0.2 dB with standard ... are consistent with predictions (Blue, 1984), and prior experimental results (Demer and Hewitt, 1993 ...

   Meeting Document : WG-EMM-96/40 : Author(s): Soule, M.A., Demer, D.A.

7. Pilot study on electrophoretic variation and stock structure in the mackerel icefish, Champsocephalus gunnari, South Georgia waters

   commercially-exploited mackerel icefish, Champsocephalus gunnari, together with a preliminary assessment of ... revealed average levels of genetic variability, with the proportion of polymorphic loci, P = 0.278, mean ... requires analysis of larger sample sizes with more comprehensive electrophoretic screening. Genetic data ...

   Meeting Document : WG-FSA-90/10 : Author(s): G.R. Carvalho and D.P. Lloyd-Evans (United Kingdom)

8. Responding to climate change: Adélie penguins confront astronomical and ocean boundaries

   averaged 12,760 km, with the longest being 17,600 km, and were in part facilitated by pack ice movement ... pack, and used areas with high sea-ice concentration, ranging from 75-85%, about 500 km inward from the ... ice edge. They also used locations where there was some twilight (2-7 hr with sun < 6° below ...

   Meeting Document : WG-EMM-10/P11 : Author(s): G. Ballard, V. Toniolo, D.G. Ainley, C.L. Parkinson, K.R. Arrigo and P.N. Trathan

9. Reports on abundance and biological information on toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in 2011/12 season

   SSRU in 2010/11. A total of 172 individuals of toothfish with good physical condition and single-hooked ... of size between the fish released with tag and that of overall catch was high (θ=81 %). Fish with ...

   Meeting Document : WG-SAM-12/16 : Author(s): K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan)

10. Revised research plan for toothfish in Divisions 58.4.4 a and 58.4.4b by Shinsei maru No. 3 in 2012/13

    2011/12 fishing season with the aims of providing the data required for assessments of the population ... three years with an annual research catch of approximately 50 tonnes. The estimate (976 tonnes) using ... normal trotline system, we would increase the comparison tests with trotline and Spanish line systems. We ...

    Meeting Document : WG-FSA-12/58 Rev. 1 : Author(s): Delegation of Japan

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