Search results
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The random stratified trawl survey to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari in the waters of Heard Island (Division 58.5.2) for 2016
April, with the completion of 163 stations. The survey was conducted for the second year on the FV Atlas ... Cove. Sampling protocols such as the design and the duration of the hauls were similar to last year’s ... , with the completion of 163 stations. The survey was conducted for the second year on the FV Atlas Cove. Sampling ... protocols such as the design and the duration of the hauls were similar to last year’s survey ...
Meeting Document : WG-FSA-16/23 : Author(s): G.B. Nowara, T.D. Lamb and D.C. Welsford
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Multinational large-scale krill synoptic survey in CCAMLR Area 48 in 2019 – survey plan and protocol for consideration by SG-ASAM 2018
of the CCAMLR 2000 survey, that was undertaken in the year 2000. The basis for comparisons will depend ... survey, that was undertaken in the year 2000. The basis for comparisons will depend on the degree ...
Meeting Document : SG-ASAM-18/07 : Author(s): B.A. Krafft, O.A. Bergstad, T. Knutsen, G. Skaret and G. Macauley
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Potentially commercial invertebrates on Ob Bank: Moroteuthis ingens (Oegopsida) and Paralomis aculeata (Anomura) (Division 58.4.4)
are now an object of intense interest for the scientific and fishery organizations of the member countries ... an object of intense interest for the scientific and fishery organizations of the member countries ...
Meeting Document : WG-FSA-96/15 : Author(s): Pshenichnov, L.K.
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Light levels experienced by foraging Antarctic fur seals, Arctocephalus gazella
summer. Depth and light measurements were made during 11 foraging trips which lasted on average (± SE ... measurements were made during 11 foraging trips which lasted on average (± SE) 7.1 ± 0.7 d. A total of 25657 ...
Meeting Document : WG-EMM-99/28 : Author(s): D.J. McCafferty, I.L. Boyd and T.R. Walker (UnitedKingdom)
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Regionalisation of the Southern Ocean: a statistical framework
. Regionalisation algorithms attempt to partition a broad spatial area into discrete spatial regions, each with ... relatively homogeneous and predictable ecosystem properties but with properties different from neighbouring ...
Meeting Document : WG-EMM-06/37 : Author(s): B. Raymond and A. Constable (Australia)
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Theoretical considerations for estimating the density of cohorts and mean recruitment of Patagonian toothfish (Dissostichus eleginoides) based on research trawl survey data
theoretical issues involved with estimating cohort densities from length density data from trawl surveys with ...
Meeting Document : WG-FSA-04/92 : Author(s): C.R. Davies, E.M. van Wijk and A.J. Constable (Australia)
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Effect of orientation on broadband acoustic scattering of Antarctic krill Euphausia superba: implications for inverting zooplankton spectral acoustic signatures for angle of orientation
echo spectra had a more erratic structure, with several closely spaced nulls of variable depth. The ... pattern of changes in echo spectra with orientation for the experimentally measured acoustic returns was ...
Meeting Document : WG-EMM-99/41 : Author(s): L.V. Martin Traykovski (USA), R.L. O’Driscoll (New Zealand) and D.E. McGehee (USA)
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DEFINING TAG RATES AND TACS TO OBTAIN SUITABLY PRECISE ABUNDANCE ESTIMATES FOR NEW AND EXPLORATORY FISHERIES IN THE CCAMLR CONVENTION AREA
. With respect to the tagging-based abundance estimator, we use the Lincoln-Petersen method and derive a ... give us an abundance estimate with a coefficient of variation of 30% for the Patagonian toothfish stock ...
Meeting Document : WG-SAM-08/06 : Author(s): R.M. Hillary (UK)
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An underwater setting method for surface longliners, to minimise the accidental/incidental capture of seabirds
are reported in this document. One with the tube opening facing forward was unsuccessful,in flushing ... trials to the setting depth of 1.5 metres. A second trial was undertaken with the backward facing U tube ...
Meeting Document : WG-FSA-97/53 : Author(s): Walshe, K.A.R., Parnes, P.
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Implanted identification tags in penguins: implantation methods, tag reliability and long-term effects (draft version)
problems associated with the use of implanted devices. The transponder removed from one bird had developed ... with iodine or alcohol. The problem of tag migration is yet to be quantified and may be more difficult ...
Meeting Document : WG-EMM-Methods-96/08 : Author(s): Kerry, K., Clarke, J.