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1. Reproduction in Antarctic notothenioid fish - a review

   although spawning is likely to take place annually. However, part of the populations of Champsocephalus ... gunnari in the Atlantic Ocean sector do not spawn each year. Gonadosomatic index (GSI) of females is 15–40 ... % at spawning. Apart from a few nototheniid species the GSI of males is much less and typi6dlly only 15 ... it is not attained until 70–80% of the maximum length. The only exception is Champsocephalus gunnari ...

   Meeting Document : SC-CAMLR-X/BG/12 : Автор(ы): Delegation of Germany

2. Analysis of variability of krill size and fish by-catch in Japanese krill fishery based on scientific observer data

   Antarctic krill commercial fishing vessels, we estimated the relationship between statistical precision and ... –2008 were analysed by using a hierarchical Bayesian model. The models were composed of multistage ... biological process error in the population dynamics from fishery process as observation error. In both krill ... length and bycatch fish number, the parameters estimated by MCMC hardly show difference among years, sub ...

   Meeting Document : WG-EMM-12/68 : Автор(ы): T. Okuda and M. Kiyota (Japan)

3. Distribution, density and relative abundance of Antarctic krill estimated by maximum likelihood geostatistics on acoustic data collected during commercial fishing operations

   Abstract:  There is a substantial harvestfor Antarctic krill in the Southern Ocean, butlittle ... regular scientific monitoring of the resource. Recently, however, the Commission for the Conservation of ... fisheries to increase the amount of relevant information available for making management decisions. We here ... the vessel ‘Saga Sea’ were processed to produce probability of presence, conditional density and ...

   Meeting Document : WG-EMM-16/P12 : Автор(ы): E.J. Niklitschek and G. Skaret

4. Evaluation of some processing techniques applied to acoustic recordings from two krill fishing vessels

   Abstract:  Acoustic data from krill fishing vessels have the potential to provide useful ... contributions to assess local krill abundance and distribution, and even as input to the CCAMLR feedback ... management system under development. The possibility to collect such data from the fleet has been ... demonstrated through a CCAMLR proof of concept, but processing is in most cases essential before any use of the ...

   Meeting Document : SG-ASAM-17/03 : Автор(ы): X. Wang, G. Skaret and O.R. Godø

5. 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 ... impact on the numbers of tagged fish recaptures and accuracy of tag-based estimates using the Chapman ... estimator. The results showed that tag-based biomass estimates obtained from a low numbers of recaptures ... Chapman-estimates to achieve a 25% level of accuracy at least 50% of the time, required a minimum of 6 ...

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

6. Developing priority variables (“ecosystem Essential Ocean Variables” – eEOVs) for observing dynamics and change in Southern Ocean ecosystems

   underlying causes are needed to report on their status and to guide management. Here we use the Framework on ... Ocean Observing (FOO) to begin developing ecosystem Essential Ocean Variables (eEOVs) for the Southern ... appropriate spatial and temporal scales and are useful to the extent that they contribute to direct estimation ... support assessments. In this paper we outline the rationale, including establishing a set of criteria, for ...

   Meeting Document : WG-EMM-16/P11 : Автор(ы): A.J. Constable, D.P. Costa, O. Schofield, L. Newman, E.R. Urban Jr., E.A. Fulton, J. Melbourne-Thomas, T. Ballerini, P.W. Boyd, A. Brandt, W. de la Mare, M. Edwards, M. Eléaume, L. Emmerson, K. Fennel, S. Fielding, H. Griffiths, J. Gutt, M.A. Hindell, E.E. Hofmann, S. Jennings, H.S. La, A. McCurdy, B.G. Mitchell, T. Moltmann, M. Muelbert, E. Murphy, T. Press, B. Raymond, K. Reid, C. Reiss, J. Rice, I. Salter, D.C. Smith, S. Song, C. Southwell, K.M. Swadling, A. Van de Putte and Z. Willis

7. On peculiarities of icefish (Champsocephalus gunnari) vertical distribution in different habitats

   Abstract:  The significant similarity of Kerguelen and South Georgia icefish Ch.gunnari ... populations ecology has been revealed. Fish of all lengths and ages are planktonphages. Fish of the first two ... age groups have been continuously found in the pelagic layer off South Georgia and Kerguelen-Heard ... . Immature fish also partially distribute in the pelagic layer both in the daytime and at night. Mature fish ...

   Meeting Document : WG-FSA-03/54 : Автор(ы): J.A. Frolkina (Russia) and V.V. Herasimchuk (Ukraine)

8. Aide memoire: Balleny Islands

   Abstract:  The Balleny Islands area contains special values which New Zealand believes are worthy ... of protection. New Zealand's past proposals have not yet achieved consensus support and the ... process for designating marine protection within the Antarctic Treaty System is not clearly established ... represents the best method of protecting the important values of the Balleny Islands would be developed for ...

   Meeting Document : WG-EMM-01/71 : Автор(ы): Delegation of New Zealand

9. Address given to citizen’s marine summit, Japan By Dr I. Everson

   Abstract:  The main aims of CCAMLR are reviewed in an essay which discusses the advances in the ... effectiveness of harvesting, arising from developments in science and technology in comparison with the ... essential between fishermen and scientists to ensure the provision of the data needed to test hypotheses ... related to the functioning of the Southern Ocean ecosystem. Although currently co-operation is fairly good ...

   Meeting Document : CCAMLR-XII/BG/11 : Автор(ы): Delegation of United Kingdom

10. Krill fishery report: 2005 update

    Abstract:  This report on the krill fishery in Area 48 has been prepared in a format similar to ... the “Fishery Reports” developed by WG-FSA in 2004. As reported to the CCAMLR Secretariat, 9 vessels ... from 6 Contracting Parties are fishing for krill in Area 48 in the 2004/05 season, and these vessels ... have taken 62049 t of krill to date. Two CCAMLR scientific observers have been deployed. The ...

    Meeting Document : WG-EMM-05/5 : Автор(ы): Secretariat

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