Search results
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Shedding new light on the life cycle of mackerel icefish in the Southern Ocean
Abstract: Mackerel icefish (Champsocephalus gunnari) has a widespread distribution in the ... in the north mature one year earlier than in the south. They have a much shorter life span and die ...
Meeting Document : WG-EMM-03/4 : Author(s): K.-H. Kock (Germany) and I. Everson (United Kingdom)
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Results and standing stock biomass estimates of finfish from the 2001 US AMLR bottom trawl survey of the South Shetland Islands (Subarea 48.1)
Abstract: The United States Antarctic Marine Living Resources (U.S. AMLR) program conducted a ... finfish in the South Shetland Islands has yet to reach a level at which commercial exploitation would be ...
Meeting Document : WG-FSA-01/33 Rev. 1 : Author(s): C.D. Jones, K.-H. Kock, D. Ramm, J. Ashford, S. Wilhelms, T. Near, N. Gong and H. Flores
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Some components of uncertainty in the CCAMLR 2000 acoustical survey of krill
absorption, and beam characteristics. Uncertainty in krill target strength (TS) was estimated using a ... scattering model. The combined measurement and sampling variance was estimated from a simulation which ...
Meeting Document : WG-EMM-00/49 : Author(s): D.A. Demer (USA)
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Revised estimates of seabed areas within the 500 m isobath of the South Orkney Islands (Subarea 48.2) and consequences for standing stock biomass estimates of nine species of finfish
Abstract: A revised bathymetric map of the South Orkney Islands (Subarea 48.2) was generated ... estimates, though changes in area are specific to the depth interval. There is a corresponding change in ...
Meeting Document : WG-FSA-99/33 : Author(s): C.D. Jones (USA)
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ANNUAL REPORT FROM SCAR TO CCAMLR
directly to CCAMLR or are of potential interest to CCAMLR. This includes a report on outcomes from SCAR’s ... Southern Ocean Observing System (SOOS). SCAR has amalgamated its birds and seals groups into a new Expert ...
Meeting Document : CCAMLR-XXVIII/BG/34 : Author(s): Submitted by SCAR
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CIRCULATION IN THE ROSS SEA SECTOR OF THE SOUTHERN OCEAN: REPRESENTATION IN NUMERICAL MODELS
particular, the models sugges a pair of cyclonic gyres separated by shallow bathymetry around 180º E that ... . Rickard (New Zealand), M. Roberts (United Kingdom), M.J.M. Williams, A. Dunn, M.H. Smith and M. Pinkerton ...
Meeting Document : WG-EMM-09/41 : Author(s): G.J. Rickard (New Zealand), M. Roberts (United Kingdom), M.J.M. Williams, A. Dunn, M.H. Smith and M. Pinkerton (New Zealand)
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QUANTIFYING MOVEMENT BEHAVIOUR OF VESSELS IN THE ANTARCTIC KRILL FISHERY
a distinct pattern. Mean between-haul distances were generally longer when catch levels fell below ... for describing a generalised fishery model. Updates for some of the parameters for the krill fishery ...
Meeting Document : WG-EMM-09/P05 : Author(s): S. Kawaguchi and S.G. Candy
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Fish as diet of the blue-eyed shag, Phalacrocorax atriceps bransfieldensis at Half-Moon Island, South Shetland Islands
Abstract: Thirty eight regurgitated casts collected in a colony at Half-moon Island, South ... . gibberifrons, the fish species (and their size and age ranges) were identical to those found in a similar study ...
Meeting Document : WG-CEMP-94/32 : Author(s): E.R. Barrera-Oro and R.J. Casaux (Argentina)
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Acoustic data analysis and models of krill spatial distribution
biomass estimate. The wavenumber spectrum resembles a white noise at scales of 2-20 km, although at scales ... . These results of data analysis suggest that krill patch size or rather a basic swarm size should be ...
Meeting Document : SC-CAMLR-VII/BG/25 : Author(s): United States of America
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Using mark-recapture and catch-age data to estimate fishing and natural mortality for the Patagonian toothfish at South Georgia
Abstract: This paper develops a Bayesian mark-recapture model for estimating both fishing and ... model was applied to, a consistent picture emerged. Both natural and fishing mortality were estimated to ...
Meeting Document : WG-FSA-SAM-06/06 : Author(s): R.M. Hillary and D.J. Agnew (United Kingdom)