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1. Risk categorisation for Macrourus whitsoni and Amblyraja georgiana in the Ross Sea

   georgiana, which are the major bycatch species in the exploratory fishery for toothfish in the Ross Sea ... from longlines whilst still in the water and release them. Macrourus whitsoni were categorized as ... overfishing, catch rates in the toothfish fishery have not declined, juveniles are not selected by the fishery ... , and comparison of longline and trawl catch rates with other Antarctic areas suggest that population in ...

   Meeting Document : WG-FSA-05/21 : Автор(ы): R.L. O’Driscoll (New Zealand)

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

   krill in CCAMLR Division 58.4.2 (the South West Indian Ocean Sector) in January-March 2006. The survey ... limit can be established by CCAMLR. The planned survey will utilise a standardised design as adopted in ... previous B0 surveys in the CCAMLR Area and will use a similar methodology for collecting an analysing the ... Working Group in 2005. Author(s):  S. Nicol, S. Kawaguchi, T. Jarvis and T. Pauly (Australia) Title ...

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

3. Catchability of midwater trawls in relation to krill fishery

   , krill aggregations distribution in the study area is discussed. It is shown that while the trawl ... selectivity affects krill length composition in each trawl sample, the trawl catchability affects the ... in the study area. Several approaches to trawl samples processing are discussed. It is shown that the ... trawl samples weighting against the catch corrected taking in account the trawl catchability for each ...

   Meeting Document : WG-EMM-98/20 : Автор(ы): S.M. Kasatkina (Russia)

4. Seabird by-catch in the Patagonian toothfish longline fishery at the Prince Edward Islands: 1997–1998

   Abstract:  Longline fishing for Patagonian toothfish Dissostichus eleginoides in the South African ... Exclusive Economic Zone around the Prince Edward Islands commenced in 1996. This paper summarises seabird ... is 13% more than the number of hooks reported set in 1996-97, but total effort probably declined ... during 1997-98 as a result of a decrease in the number of unsanctioned vessels operating in the area ...

   Meeting Document : WG-FSA-98/42 : Автор(ы): P.G. Ryan and M.G. Purves (South Africa)

5. Sexual ratio of Dissostichus eleginoides from longlines samples: a partial indicator of reproductive migration in Subarea 48.3

   and the third week of July 1996, in the subarea 48.3 shows that the sex ratio departs from the ... expected 1:l ratio being the females more abundant in the longline samples, except during May, when the ... bottom habitats, this finding suggests that: or the females remain in higher proportion in the habitat ... the longline fishing techniques, or both sexes rise in the water column for spawn. No one of these ...

   Meeting Document : WG-FSA-96/44 : Автор(ы): Moreno, C.A., Guerra, J., Zuleta, A.

6. Change-in-ratio and index-removal methods for population assessment and their application to snow crab (Chionoecetes opilio)

   Abstract:  Change-in-ratio and index-removal estimators are presented in a general form suitable ... for fisheries studies. We also show how to combine the two approaches in a single estimator. It is ... composition, in order to use these methods. We use the methods to estimate the population of legal-size snow ... crabs (Chionoecetes opillio) in St. Mary's Bay, Newfoundland, before and after the fishery, and to ...

   Meeting Document : WS-CRAB-93/10 : Автор(ы): X. Xu, E.G. Dawe and J.M. Hoenig (USA)

7. Analysis of operating conditions of the fishing vessel in relation to the distribution, biological state and behaviour of Antarctic krill (a contribution to the development of a simulation model)

   processing vessel producting krill meat. The vessel operated in the Commonwealth Sea, the Cosmonaut Sea and ... in twi Scotia Sea areas (off South Orkneys and off South Georgia) from February to June 1988. In all ... cause was tthe size composition of krill in the catches. Preference was given to larger krill. The ... density of krill in aggragtions usually remained at a high level and was a less important cause of area ...

   Meeting Document : SC-CAMLR-VIII/BG/23 : Автор(ы): Delegation of USSR

8. Update on the ‘Demersal interactions with marine benthos in the Australian EEZ of the Southern Ocean: an assessment of the vulnerability of benthic habitats to impact by demersal gears’ project

   Abstract:  We provide an update on progress in the FRDC and industry-funded project “Demersal ... interactions with marine benthos in the Australian EEZ of the Southern Ocean: an assessment of the ... vulnerability of benthic habitats to impact by demersal gears”. This project commenced in 2006 and is due to ... conclude with the publication of a final report in late 2011. Outputs of this project, including novel ...

   Meeting Document : WG-EMM-10/23 : Автор(ы): G.P. Ewing, D.C. Welsford and A.J. Constable (Australia)

9. Recent trends in numbers of Crozet shags breeding at the Prince Edward Islands

   decreased by more than 70% from 840 pairs in 1994/95 to 220 pairs in 2003/04 and then increased to some 500 ... pairs in 2008/09. The trends are thought to have been influenced by breeding success, which averaged ... were similar trends in numbers breeding and breeding success of gentoo penguins Pygoscelis papua, which ... doubled between the summers of 2001/02 and 2008/09. In 2008/09, some 600 pairs of Crozet shags were ...

   Meeting Document : WG-EMM-10/P02 : Автор(ы): R.J.M. Crawford, P.G. Ryan, B.M. Dyer and L. Upfold

10. Fishery selection for Patagonian toothfish in CCAMLR Subarea 48.3, asymptotic or dome shaped?

    Abstract:    Characterisation of fishery selection is key to reducing uncertainty in the ... waters as they age and increase in size and, in combination with the practical difficulties associated ... Patagonian toothfish (D. eleginoides) in Subarea 48.3 is used to determine whether there is sufficient ... 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 : Автор(ы): C. Darby, V. Laptikhovsky and M. Soeffker (United Kingdom)

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