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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 : Autor(es): 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. 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 : Autor(es): 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)

3. 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 : Autor(es): 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)

4. 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 : Autor(es): D. Maschette, S. Wotherspoon and P. Ziegler

5. 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 : Autor(es): 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)

6. 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 : Autor(es): C. Darby, V. Laptikhovsky and M. Soeffker (United Kingdom)

7. 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 : Autor(es): CCAMLR Secretariat

8. Ecosystem indicators: factors affecting the choice of predator performance indices for use in monitoring programmes

   . Using indices of predator performance from four species of krill-eating predator together with ... the summer showed the closest relationship with krill abundance, especially those for species with ... parameters showed no functional response relationship with annual krill abundance estimates. Combining the ... summer parameters into a single combined index provided a better fit with the krill data than any of the ...

   Meeting Document : WG-EMM-03/43 : Autor(es): K. Reid (United Kingdom)

9. CLIMATE CHANGE AND THE ANTARCTIC MARINE ENVIRONMENT: MANAGEMENT IMPLICATIONS

   and timescales, of the various processes consequent on climate change. With current levels of ... greatest amount. All of the risks described in this paper probably vary with latitude and longitude, with ... regional climate change, with local intensity of fishing or tourism, and with local foodweb structure, etc ...

   Meeting Document : WG-EMM-09/24 : Autor(es): P.N. Trathan and D. Agnew (United Kingdom)

10. Report on the CCAMLR Marine Debris monitoring program

    decreased, while debris associated with wandering albatrosses increased considerably from the previous year ... Abstract:  Data on beach surveys, debris associated with seabird colonies, marine mammal ... trawl origins. Plastic packaging bands continue to be found in beach surveys, with an increase in open ... associated with grey-headed albatrosses remains consistent, debris associated with black-browed albatrosses ...

    Meeting Document : WG-FSA-15/15 : Autor(es): CCAMLR Secretariat

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