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1. Using stationary acoustic platforms to assess precision and accuracy of acoustical krill surveys

   a regular basis deployed stationary platforms in the main area for commercial krill harvesting at ... a depth of ~20 m during daytime, while 24 % was found above ~20 m during night. A swarm detection ... approach suggested a similar pattern, 7 % of aggregated backscatter was found above ~20 m during daytime ...

   Meeting Document : WG-EMM-2019/32 : Author(s): T. Klevjer, G. Skaret and B.A. Krafft

2. Population and survival trends of wandering albatrosses (Diomedea exulans) breeding on Macquarie Island

   effort and survival varied markedly with breeding numbers declining from a peak in 1964 to near ... extinction levels in the mid 1980’s. Underlying this decline was a significant decrease in juvenile survival ... and, to a lesser extent, adult survival. These survival changes were coincident with changes in ... . Author(s):  A. Terauds, R. Gales, R. Alderman and G.B. Baker (Australia) Title:  Population and survival ...

   Meeting Document : WG-FSA-04/50 : Author(s): A. Terauds, R. Gales, R. Alderman and G.B. Baker (Australia)

3. Observations of demersal fish, benthic communities and seafloor composition of the Southern Ocean Atlantic sector from the ICEFISH 2004 cruise

   Abstract:  A multi-disciplinary research cruise in the Atlantic sector of the Southern Ocean was ... Rocks, South Georgia, the South Sandwich Islands, and Bouvetoya Island from 5 June to 30 June, 2004. A ... ICEFISH cruise trawl deployments was 9105 specimens of 29 species. A wide contrast in finfish and ... South Sandwich Islands and Bouvetoya, where the isolation of the latter island likely played a role in ...

   Meeting Document : WG-FSA-04/61 : Author(s): C.D. Jones, S.J. Lockhart and D.F. Doolittle (USA)

4. Maximum entropy reconstruction of stock distribution and inference of stock density from line-transect acoustic survey data

   Abstract:  We present a maximum entropy (MaxEnt) method for inferring stock density and mapping ... account of spatial correlation in the observed data and seeks to reconstruct a distribution of density ... a candidate solution under the constraint of the observed data to progress towards a converged ...

   Meeting Document : WG-EMM-02/35 : Author(s): A.S. Brierley, S.F. Gull and M.H. Wafy (United Kingdom)

5. ADDING CATCH AT AGE AND SURVEY DATA TO THE 48.3 TOOTHFISH CASAL ASSESSMENT

   very good. There is evidence for a size-based influence on post-tagging mortality, post-tagging growth ... recaptures at size improve. However, there is still some evidence for a sex-based influence on the fits ... recovered. A sex-disaggregated model was created, providing substantially similar fits and results to the ... cohort strength should be incorporated in calculations of TACs. A number of different mechanisms for ...

   Meeting Document : WG-SAM-09/13 : Author(s): D.J. Agnew and M. Belchier (United Kingdom)

6. Informative approaches to ageing Antarctic fishes

   ;physiological time'. In this regard otoliths and post-mitotic tissues may contain a large amount of ... biological and ecological information about a fish's age and past life history. In otoliths this ... possible to estimate the age of a large number of fish easily. Chemical analyses of stable isotopes and ... information. A thorough utilization of structural and chemical analyses; Antarctic fish otoliths may make it ...

   Meeting Document : CCAMLR/86/FA/07 : Author(s): R.L. Radtke and K.T. Hill (USA)

7. Results of the first winter longline survey to the northern Ross Sea region to investigate toothfish reproductive life history

   was successfully completed during June and July 2016. A total of 55 longlines sets were completed in ... aggregate earlier than females and that spawning begins in early July. There were a higher proportion of ... varied substantially among sets. Nineteen toothfish eggs were captured using a plankton net in the top ... of neutral buoyancy. We recommend that a survey be carried out from mid-July through August to ...

   Meeting Document : WG-FSA-16/37 : Author(s): D. Stevens, D. Di Blasi and S. Parker

8. Observation on the interactions between marine mammals and mid-water krill trawl

   conducted visually with the aid of a SLR Camera and a Marine Binocular. Sea surface observation in Subarea ... either. Simultaneous observation of krill swarms detected by the echosounder revealed a linkage between ... -filled trawl at sea surface seems to be a foraging related phenomenon. Author(s):  Y. Ying, G. Fan, X ...

   Meeting Document : WG-FSA-2019/60 : Author(s): Y. Ying, G. Fan, X. Zhao, J. Zhang, X. Wang and J. Zhu

9. Integrated weight longlines: potential for reduction of skate by catch in demersal longline fisheries

   weight longlines (IW) in a demersal longline fishery for effects on skate bycatch. Trials took place on ... two vessels targeting Pacific cod (Gadus macrocephalus) over a five-month period in the Bering Sea ... performed in specific regions where skate bycatch is a problem. Author(s):  K. Dietrich and E. Melvin (USA ...

   Meeting Document : WG-FSA-07/51 : Author(s): K. Dietrich and E. Melvin (USA)

10. The krill fishery observer manual – points to be revised

    sea tries to follow the manual as a whole, many conflicts arise. This document points out that the ... necessary revision must be undertaken by simulating the observer’s work onboard as a package of krill ... observer form, so that it would be reformed as a user friendly manual Author(s):  S. Kawaguchi (Japan ...

    Meeting Document : WG-EMM-02/29 : Author(s): S. Kawaguchi (Japan)

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