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1. Histopathology of Antarctic krill (Euphausia superba) bearing black spots

   , whereas the presence of multiple bacterial species suggests that the infections were likely to be ... observations revealed that the black spots were melanized nodules. A single melanized nodule often contained ... always accompanied by a tumor-like mass of unknown large heteromorphic cells, which seemed to be derived ... from a gonadal tissue. These results suggest that the krill were affected by bacterial infections ...

   Meeting Document : WG-EMM-07/29 : Автор(ы): S. Miwa, T. Kamaishi, T. Matsuyama, T. Hayashi and M. Naganobu (Japan)

2. The early life history and the onset of scale formation in the Patagonian toothfish, Dissostichus eleginoides Smitt, 1898

   suggests that the annulus may not be completed before spring. Length composition of fish Author(s):  K.-H ... far from being resolved when the first 'winter ring' is formed. Available information ...

   Meeting Document : WG-FSA-93/14 : Автор(ы): K.-H. Kock (Germany)

3. Revisiting krill ageing method using eyestalk cuticles

   for improving the precautionary management of krill fisheries. The only method to date that has shown ... promise in the determination of the absolute age of krill is that of Kilada et al. (2017), which involves ... eyestalk sections is also difficult, inter-laboratory calibration of this method should be conducted as a ... matter of priority. It is also important to discuss and agree on terminology on the structures that are ...

   Meeting Document : WG-EMM-2019/45 : Автор(ы): S. Kawaguchi, T. Barnes, N. Waller, B. Farmer, D. Hayes, R. Kilada, C. Reiss, G. Zhu, B. Krafft, A.-L. Agnalt, T. Ichii and T. Matsuda

4. The Ross Sea cephalopod community: insights from stable isotope analysis

   Abstract:  Based on mass balance modeling and mixed trophic impact analysis, cephalopods have been ... identifications. Generally, squid clustered into two distinct isotopic groups, one with depleted isotope ... signatures typical of feeding on relatively low trophic level prey within the Ross Sea, and the second with ... elevated isotopic signatures typical of feeding on relatively high trophic level prey with some suggestion ...

   Meeting Document : WG-EMM-12/55 : Автор(ы): D.R. Thompson, M.H. Pinkerton, D.W. Stevens (New Zealand), Y. Cherel (France), S.J. Bury (New Zealand)

5. Seabird mortality in the longline fishery for Patagonian toothfish at the Prince Edward Islands: 1996–1997

   important that observers continue to be placed aboard all vessels to monitor catches of both fish and birds ... . This paper summarizes the mortality of seabirds associated with this fishery during the year July 1996 ... (EEZ). However, the total fishing effort is estimated, based on landings, to be between 20 and 50 ... Thalassarche chyrsostoma and Yellow-nosed Albatrosses T. chlororhynchos (together 23 %), and giant petrels ...

   Meeting Document : WG-FSA-97/51 : Автор(ы): Boix-Hinzen, C., Enticott, J.W., Ryan, P.G., Wanless, R., Purves, M., Nel, D.C.

6. 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 ... 48.3 showed that the number of fur seal (Arctocephalus gazelle) around the fishing vessel increased ... from late July to August then decreased in September, and over 85% of the fur seals was observed ... the behavior of the seal and the depth of krill swarms. It is speculated that when krill swarms were ...

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

7. Conflict or co-existence? Foraging distribution and competition for prey between Adélie and chinstrap penguins

   Orkney Islands during the breeding seasons of 2000 and 2001. Satellite tracking data from of 19 Adélie ... between the two species, however, in a year of normal resource availability (2001) there was no such ... colony than chinstrap penguins (mean 58 km) in 2000 but not in 2001 (mean 58 km and 35 km respectively ... % lower in chinstrap penguins. Both species achieved above average breeding success in 2001. The changes ...

   Meeting Document : WG-EMM-02/15 : Автор(ы): A.S. Lynnes, K. Reid, J.P. Croxall and P.N. Trathan (United Kingdom)

8. EFFECT OF STERN-SETTING TUNNEL ON THE SINK RATE OF INTEGRATED WEIGHT LONGLINE (IWL)

   before the WG-IMAF meeting and it is intended that the results will be tabled separately at the meeting ... stern-setting tunnel, and the proposed experimentation to evaluate this method's effect on the sink ... the exit point at the water line on the vessel's transom. The exit point of the tube is ... understood to be slightly off-centre towards the downward-swing side of the propeller. The sink rate of IWL ...

   Meeting Document : WG-FSA-08/38 : Автор(ы): I. Hay and G. Robertson (Australia)

9. Proposal for an acoustic krill biomass survey in CCAMLR Division 58.4.2

   data to that used on the CCAMLR2000 survey. The survey will be conducted from a single ship and will ... comment so that any suggestions can be incorporated into the final design which will be presented to the ... is intended to produce a new estimate of B0 for this Division so that a revised precautionary catch ... limit can be established by CCAMLR. The planned survey will utilise a standardised design as adopted in ...

   Meeting Document : WG-EMM-04/37 : Автор(ы): S. Nicol, S. Kawaguchi, T. Jarvis and T. Pauly (Australia)

10. Summary of the toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2018/19

    that catch limits in the ASR be calculated following the trend analysis rules developed by WG-FSA for ... 2014. Few age data are currently available after 2014. We recommend that further ageing of toothfish in ... the ASR be made a priority to develop annual age-length keys and age frequencies. We further recommend ... 882_2 are: 882H: 240 t catch and allowing a maximum of 20% change in the catch limit from 200 t ...

    Meeting Document : WG-FSA-2019/12 : Автор(ы): J. Devine and S. Parker

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