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1. Report on the survey in Subarea 48.2 in 2015–2017

   48.2 on board the Ukrainian vessel SIMEIZ. Survey was conducted in accordance with the recommendations ... of the Scientific Committee and Commission. Obtained data will be used for the future biomass ... estimation of the target species and making decision for the possible future fishing on that fishing ground ...

   Meeting Document : WG-FSA-17/43 : Автор(ы): Delegation of Ukraine

2. Предложение по повышению уровня безопасности наблюдателей: автономные аппараты спутниковой двусторонней связи и персональные спасательные маяки

   of the CCAMLR System of Scientific Observation (SISO) to require that observers be equipped with ...

   Meeting Document : CCAMLR-XXXVII/20 : Автор(ы): Delegation of the USA

3. Is our attempt to estimate biomass of Antarctic fish from a multi-species survey appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited

   acoustic survey combined with a number of identification hauls might be the most promising approach to ... . rossii at the same time. These surveys are conducted under the assumptions that the target fish species ... violated in the case of N. rossii which shows an abundance which is extremely skewed in that a large ... thinly populated. In order to provide more accurate estimates of the species it is suggested that an ...

   Meeting Document : WG-FSA-03/12 : Автор(ы): K.-H. Kock (Germany), M. Belchier (United Kingdom) and C.D. Jones (USA)

4. Comparison of NASC values calculated by swarm-based and grid-based acoustic data processing methods for Antarctic krill density estimation

   -based acoustic data processing methods. All parameter settings were consistent with the reports of SG ... -ASAM-2017 except that the dB difference window of Sv 120 kHz-Sv 38kHz is set 0 to 20 dB. And the two ... Antarctic krill density estimation. The comparisons suggest that the calculated NASC values of swarm-based ... four surveys. Therefore, it is concluded that the krill density estimated by swarm-based and grid-based ...

   Meeting Document : SG-ASAM-18/04 Rev. 1 : Автор(ы): X. Yu, X. Wang and X. Zhao

5. Update on the Top Predator Alliance project, 2013–14 season: Killer whales

   TCKW with small and presumably suckling calves.  Given that lactation represents a significant energy ... lactation.  A comparison of energy expenditure with energy densities of fish prey indicates that available ... Type C killer whales (TCKW), have been identified as the top predators most likely to be directly ... dependency even if limited to a relatively brief period of the year.  We conclude that there is a probable ...

   Meeting Document : WG-EMM-14/52 : Автор(ы): R. Eisert, M.H. Pinkerton (New Zealand), L. Torres (USA), R.J.C. Currey, P.H. Ensor, E.N. Ovsyanikova, I.N. Visser (New Zealand) and O.T. Oftedal (USA)

6. Research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in Subarea 48.6 by South Africa and Japan

   distribution of sizes, GSI and Fulton’s condition factors for D. mawsoni in Subarea 48.6 suggest that northward ... spawning migration and southward feeding migration as Ross Sea stock. Life history seems to be related to ... that larvae are driven further eastward. We cannot identify an appropriate stock unit currently. The ... addition, we considered that only recaptures for 1 year at liberty is effective to estimate the ...

   Meeting Document : WG-SAM-16/07 : Автор(ы): Delegations of Japan and South Africa

7. The winter pack-ice zone provides a sheltered but food-poor habitat for larval Antarctic krill

   Abstract:  A dominant Antarctic ecological paradigm suggests that winter sea ice is generally the ... sector of the Southern Ocean contradict this view and present the first evidence that the pack-ice zone ... a more favourable food environment for high larval krill growth rates. We found that complex under ... , by providing structures that offer protection from predators and to collect organic material released ...

   Meeting Document : WG-EMM-18/P04 : Автор(ы): B. Meyer, U. Freier, V. Grimm, J. Groeneveld, B.P.V. Hunt, S. Kerwath, R. King, C. Klaas, E. Pakhomov, K.M. Meiners, J. Melbourne-Thomas, E.J. Murphy, S.E. Thorpe, S. Stammerjohn, D. Wolf-Gladrow, L. Auerswald, A. Götz, L. Halbach, S. Jarman, S. Kawaguchi, T. Krumpen, G. Nehrke, R. Ricker, M. Sumner, M. Teschke, R. Trebilco and N.I. Yilmaz

8. Investigations of krill transport factors in the local areas in the Scotia Sea: variability of krill distribution in the fishing grounds under the transport impact

   samples form the basis of this work. It is shown that the multiple replacements of the water masses in ... each study areas were accompanied with pulsatory pattern of krill transport, i.e. krill transported ... biomass portions with different commercial importance were transported into the fishing grounds. The ... fleet. The authors come to a determination that the development of krill stocks management procedures ...

   Meeting Document : WG-EMM-07/17 : Автор(ы): S.M. Kasatkina and V.N. Shnar (Russia)

9. Trophic interactions and population trends of killer whales (Orcinus orca) in the southern Ross Sea

   important to the whales, a relationship with potential parallels to that known between well-studied fish ... coincident with a decrease in the number and size of an important prey: Antarctic toothfish (Dissostichus ... mawsoni). Increasingly rare, large fish are much more energetically dense and may also be socially ... apparent relationship between RSKW prevalence and the availability of large toothfish, we speculate that ...

   Meeting Document : WG-FSA-12/P03 : Автор(ы): D.G. Ainley and G. Ballard

10. Assessing data requirements for tag-based estimates of local biomass in data-poor and exploratory fisheries

    Research Block 5843a_1 with a fixed exploitation rate and various tagging rate scenarios to assess the ... estimator. The results showed that tag-based biomass estimates obtained from a low numbers of recaptures ... will have a high risk of over-estimating biomass and that for a given number of tagged fish available a ... and the consequent number of tagged fish available. Simulations of toothfish populations could be ...

    Meeting Document : WG-SAM-17/13 : Автор(ы): L. Robinson, P. Burch and K. Reid

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