Résultats de la recherche

1. 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 : Auteur(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)

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

   variation was seen within collections. Comparisons with previously collected genetic data from Heard and ... collections. Comparisons with previously collected genetic data from Heard and McDonald Island collections (n ... indicated restricted gene fl ow, with fi sh at each of the fi shing locations comprising independent units ... are contigu- ous with water no deeper than 600 m separating the two areas (Williams et al., 2002). In ... and compared these data with previ- ously collected genetic data from collections of D. eleginoides ...

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

3. 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 : Auteur(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)

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 : Auteur(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. 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 : Auteur(s): Zimarev, Yu.V., S.M. Kasatkina and Yu.P. Frolov

6. 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 : Auteur(s): D. Maschette, S. Wotherspoon and P. Ziegler

7. DNA barcoding highlights a cryptic species of grenadier (genus Macrourus) in the Southern Ocean

   Abstract:  The genus Macrourus is a small group of bentho-pelagic fishes with three species ... barcoding revealed low intra-species (0.0-0.002) and inter-species (0.006-0.020) sequence divergences, with ... same Ross Sea region specimens classified individuals into two groups: one with 9 pelvic fin rays, pale ... body colour, and a single row of relatively long teeth, and a second group with 8 pelvic fin rays, dark ...

   Meeting Document : WG-FSA-10/33 : Auteur(s): P.J. Smith (New Zealand), D. Steinke (Canada), P.J. McMillan, A.L. Stewart, S.M. McVeagh (New Zealand), J.M. Diaz De Astarloa (Argentina), D. Welsford and R.D Ward (Australia)

8. Physical data used in space averaging: Trophic modelling of the Ross Sea

   (MIZ); (3) open pack, first-year sea ice (OP); (4) close pack, first-year sea ice (CP); (5) multi-year ... Ross Sea with (1) open water/ice free areas (OW); (2) marginal ice zone (MIZ); (3) open pack, first ... intense localised burst of primary production associated with the Ross Sea polynya adjacent to the ... (data from Davey 2004). With divisions as shown in Table 1, 66% of the study area is shelf, 12% is ...

   Document : Site Section: Publications

9. Fishery selection for Patagonian toothfish in CCAMLR Subarea 48.3, asymptotic or dome shaped?

   waters as they age and increase in size and, in combination with the practical difficulties associated ... with deploying fishing gear at increasing depths, there is the potential for a dome shaped selection ... with age and size to arise. However this type of selection pattern is associated with the estimation of ... age with depth, is suggested as an indicator that a dome selection pattern is unlikely in the 48.3 ...

   Meeting Document : WG-SAM-15/29 : Auteur(s): C. Darby, V. Laptikhovsky and M. Soeffker (United Kingdom)

10. NCP Engagement Strategy and review

    Abstract:  Efforts to engage NCPs have so far met with modest success. The Secretariat proposes to ... work with Members on a new approach in 2019, targeting NCPs that are important in toothfish trade with ... Members, and working with those Members to approach the NCPs. Author(s):  CCAMLR Secretariat Title:  NCP ...

    Meeting Document : CCAMLR-XXXVII/BG/07 : Auteur(s): CCAMLR Secretariat

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