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1. APPLYING A TS-PROBE FOR MEASURING ANTARCTIC KRILL (EUPHAUSIA SUPERBA) TARGET STRENGTH IN SITU: PROCEDURES AND DATA ANALYSIS

   and analysis with some results for one selected station are presented. A Simrad EK60 split beam system ... transducers with 7o half power beam opening angles. The orientation of the probe was monitored with sensors ... transducer platform with the purpose of measuring the orientation of the organisms. All system communication ... documented through recordings with hull-mounted ship echosounders and verified through net samples. The probe ...

   Meeting Document : SG-ASAM-09/13 : Author(s): G. Skaret, L. Calise and E. Ona (Norway)

2. Selectivity and two biomass measures in an age-based assessment of Antarctic krill (Euphausia superba)

   using two forms of selectivity (logistic or double-logistic) with time-constant or annually varying ... samples and (2) hydroacoustic sampling were combined with length-compositions from the nets. Sixteen model ... configurations using different combinations of the two biomass surveys with the various options for modeling ... selectivities were examined. Parameters were estimated in phases with the sequential order of the phases ...

   Meeting Document : WG-EMM-15/P07 : Author(s): D. Kinzey, G.M. Watters and C.S. Reiss

3. CCAMLR Personal Information Form

   Network (IECN) of the Australian Department of Home Affairs. In completing this form, you give your ... Network (IECN) of the Australian Department of Home Affairs. In completing this form, you give your ...

   Webform

4. Relationships between oceanographic environment and distribution of krill and baleen whales in the Ross Sea and adjacent waters, Antarctica in 2004/05

   ecosystem in the Ross Sea and its adjacent waters with a joint survey the R/V Kaiyo Maru and the Japanese ... zooplankton and fishes as well as baleen whales with an oceanographic environment index (namely MTEM-200 which ... distribution patterns that could be approximately segregated patterns with MTEM-200. Humpback whales mainly ... distributed in the waters warmer than 0℃, which agreed with the Antarctic Circumpolar Current (ACC) zone, with ...

   Meeting Document : WG-EMM-08/31 : Author(s): M. Naganobu, S. Nishiwaki, H. Yasuma, R. Matsukura, Y. Takao, K. Taki, T. Hayashi, Y. Watanabe, T. Yabuki, Y. Yoda, Y. Noiri, M. Kuga, K. Yoshikawa, N. Kokubun, H. Murase, K. Matsuoka, T. Iwami and K. Ito (Japan)

5. Reproductive analysis of Dissostichus mawsoni in SSRU 5841C-a for the exploratory longline fishery in 2012/13 of Korea

   vulnerable with a big range of about 1,000-2,000 t per SSRU in 58.4.1. However, there is not enough data to ... 0.54 displaying the tendency increased with the total length became larger. The gonadosomatic index of ... of growing stage, initial vitellogenic oocytes with approximately 150 ㎛ of egg size was mainly ... proportion with 46.3% at the mature stage, and followed by the growing stage with 29.3%, and ripe stage with ...

   Meeting Document : WG-SAM-13/27 : Author(s): I.J. Yeon, J.S. Lee, Y.J. Kwon, M.A. Jeon, S.K. Choi, K.J. Seok, D.W. Lee, K.Y. Ku and H.J. Kim (Republic of Korea)

6. Revised reproductive analysis of Dissostichus mawsoni in SSRU 58.4.1 C for the Korean exploratory longline fishery in 2012/2013

   vulnerable with a big range of about 1,000-2,000 t per SSRU in 58.4.1. However, there is not enough data to ... displaying the tendency increased with the total length became larger. The gonadosomatic index of the female ... stage, initial vitellogenic oocytes with approximately 150 ㎛ of egg size was mainly observed. The egg ... stain. Frequency of ovarian development stages of the toothfish showed the highest proportion with 46.3 ...

   Meeting Document : WG-FSA-13/45 : Author(s): I.J. Yeon, J.S. Lee, Y.J. Kwon, M.A. Jeon, S.K, Choi, K.J. Seok, D.W. Lee, K.Y. Ku and H.J. Kim (Republic of Korea)

7. Midwater trawl catchability in relation to krill and possible ways of assessing gross catch

   and netting and also the probability that krill will come into contact with various parts of the net ... as it passes through the trawl sides. Studies were based on the results of 250 hauls made with a 72 ... /308 trawl. Catchability was worked out with the aid of fine-meshed chafers, hydroacoustic methods and ... theoretical calculations. A comparison of the experimental hydroacoustic assessment with the calculated one ... and also the probability that krill will come into contact with various parts of the net as it passes ... through the trawl sides. Studies were based on the results of 250 hauls made with a 72/308 trawl ... . Catchability was worked out with the aid of fine-meshed chafers, hydroacoustic methods and theoretical ... calculations. A comparison of the experimental hydroacoustic assessment with the calculated one demonstrated ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 87–113 : Author(s): Zimarev, Yu.V., S.M. Kasatkina and Yu.P. Frolov

8. Conservation Measure Conservation Measure 18/IX (1990)

   to the Executive Secretary as soon as practical alter they are issued. Each year the Executive Secretary shall ... management plan shall be reviewed every five years by the WG-CEMP and the Scientific Committee to determine ... MEASURES 1. ' Statements of prohibited activities; (a) throughout the site at all times of the year ... ; (b) throughout the site at defined parts of the year; (c) in parts of the site at all times of the year ...

   Conservation Measure : 18/IX (1990)

9. Exploration of CPUE standardisation variances in the Ross Sea (Subareas 88.1 and 88.2A South of 70°s) Antarctic toothfish (Dissostichus mawsoni) exploratory longline fishery

   (hooks/cluster) with Generalised Linear Models (GLMs). The model with total hook numbers was preferred ... with the lowest Akaike’s Information Criterion (AIC), however standardised catch rates over the fishing ... season differed little between the models with the three effort units, so the effect of the choice of ... effort unit on the estimated standardised catch rates is small. The parameters with the largest effects ...

   Meeting Document : WG-SAM-2019/25 : Author(s): D. Maschette, S. Wotherspoon and P. Ziegler

10. Target strengths of krill at 136 and 20 kHz

    into the ability of krill to reflect sound ("reflectability") has been going on for more than ten years ... . Ensonification of encaged live krill. For aggregations with mean lengths from 45 to 50 mm the mean single-krill ... target strengths range from-68 to-69 dB at 136 kHz. For aggregations with mean lengths from 43 to 47 mm ... . For aggregations with mean lengths from 47 to 50 mm the mean target strengths ranged from-71 to-75 dB ... . At the same frequency for aggregations with mean lengths in the range 41 to 47 mm the mean single ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 141–157 : Author(s): Kasatkina, S.M.

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