Search results
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On possibility of using acoustic method to improve quality of Champsocephalus gunnari biomass estimates in Subarea 48.3
Abstract: An attempt has been made to study icefish as an object of acoustic survey basing on the ... obtained from the catches by midwater trawl to those estimated with TS in situ measurements for fish ... of improving Ch.gunnari stock state estimation could be an application of acoustic method to evaluate ...
Meeting Document : WG-FSA-00/31 : Author(s): S. Kasatkina (Russia)
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SUMMARY OF NOTIFICATIONS FOR KRILL FISHERIES IN 2009/10
for an exploratory fishery for krill in Subarea 48.6. Author(s): Secretariat Title: SUMMARY OF ... Abstract: Seven Members submitted notifications for a total 13 vessels for krill fisheries in ... NOTIFICATIONS FOR KRILL FISHERIES IN 2009/10 Approval: Approved ...
Meeting Document : WG-EMM-09/07 : Author(s): Secretariat
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Calculating effective releases and recaptures for stock assessments based on tag detection and tagging mortality indices
developed using a methodology which controls for the spatial and temporal variability of fishing operations ... included in the stock assessment for the Ross Sea region and Amundsen Sea region, with the understanding ... pairwise method utilised an index of tag detection with an arbitrary threshold to determine which tag data ... estimate effective tag releases and effective numbers of fish inspected for tags based on those indices ...
Meeting Document : WG-SAM-14/30 : Author(s): S. Mormede (New Zealand)
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Krill biomass and distribution variability in Subarea 48.3 in June 1991
survey. Horizontal extension of swarms amounted to 120 m, however about 70% of swarms were of 30 ... survey. Horizontal extension of swarms amounted to 120 m, however about 70% of swarms were of 30 ...
Meeting Document : WG-CEMP-92/35 : Author(s): S.M. Kasatkina, E.I. Timokhin, P.P. Fedulov and K.E. Shulgovskiy (Russian Federation)
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Observations of demersal fish, benthic communities and seafloor composition of the Southern Ocean Atlantic sector from the ICEFISH 2004 cruise
Georgia, the South Sandwich Islands, and Bouvetoya Island from 5 June to 30 June, 2004. A description ... Georgia, the South Sandwich Islands, and Bouvetoya Island from 5 June to 30 June, 2004. A description ...
Meeting Document : WG-FSA-04/61 : Author(s): C.D. Jones, S.J. Lockhart and D.F. Doolittle (USA)
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Feedback management through effort regulation
Abstract: The interim distribution of the trigger level in the fishery for Antarctic krill (CM 51 ... the predators that depend on it. Progressing the development of an operational FBM system in ... with the fishing industry. Presenting the industry with clearly defined data requirements for the ... . Here we outline a FBM strategy proposal for subarea 48.1, primarily enacted though a combination of ...
Meeting Document : SC-CAMLR-XXXV/BG/29 Rev. 1 : Author(s): Delegation of Norway
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Coastal weather drives foraging behaviour of chinstrap penguins, Pygoscelis antarctica
the ecosystem in an adaptive framework for sustainably managing krill catch levels, performance ... indices of krill predators have been proposed as a proxy for krill abundance. However, there are several ... context, our study capitalises on the occurrence of an unexpected El Niño event to characterise how ... that penguin foraging behaviour is modified by scale-dependent processes, which if not accounted for ...
Meeting Document : WG-EMM-18/P14 : Author(s): A.D. Lowther, P. Trathan, A. Tarroux, C. Lydersen and K.M. Kovacs
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Development of a fine-scale model of land-based predator foraging demands in the Antarctic
for a number of reasons. An alternative method of calculating an index of fishery-predator interaction ...
Meeting Document : WG-Joint-94/08 : Author(s): D.J. Agnew and G. Phegan (Secretariat)
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Distributions and predator-prey interactions of macaroni penguins, Antarctic fur seals, and Antarctic krill near Bird Island, South Georgia
factored out, we were able to demonstrate an additional influence of Antarctic krill abundance at ... measurement scales between 10 and 100 km for Antarctic fur seals and for macaroni penguins at the scale of 70 ... to 100 km. Water depth was an important correlate of Antarctic krill and Antarctic fur seal ... macaroni penguins were concentrating their foraging for krill in the vicinity of the shelf-break. Author(s ...
Meeting Document : WG-CEMP-93/12 : Author(s): G.L. Hunt, Jr (USA), D. Heinemann (USA) and I. Everson (United Kingdom)
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Seasonal variation in the diet of Arctocephalus gazella at 25 de Mayo/King George Island, South Shetland Islands, Antarctica
Abstract: The trophic study of Arctocephalus gazella is an essential tool for assessing its ... diet during an annual cycle. To our knowledge, this is the first report of the feeding habits of A ... winter 2004 and summer 2004/05 on the coasts of Stranger Point, Isla 25 de Mayo/King George. For the ...
Meeting Document : WG-EMM-15/37 : Author(s): A. Harrington, G.A. Daneri, A.R. Carlini, D.S. Reygert and A. Corbalán (Argentina)