Search results
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Alternative method of the age composition assessment on the basis of surveys length data using mixture distributions
comparison of this method and the method by de la Mare for length series, estimated with Aitchison’s method ... tested on the length series obtained with the bootstrap method on the basis of the above mentioned ...
Meeting Document : WG-FSA-05/78 : Author(s): P. Gasyukov (Russia)
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The three-frequency method for classifying the species and assessing the size of two euphausiids (Euphausia superba and Euphausia crystallorophias)
acoustic estimates of euphausiid lengths, derived from the fluid sphere model, are compared with lengths ... January/February 2000. The results are compared with those obtained from the standard method. Author(s ...
Meeting Document : WG-EMM-02/37 : Author(s): M. Azzali, G. Lanciani and I. Leonori (Italy)
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REPORT ON A RANDOM STRATIFIED TRAWL SURVEY TO ESTIMATE DISTRIBUTION AND ABUNDANCE OF DISSOSTICHUS ELEGINOIDES AND CHAMPSOCEPHALUS GUNNARI IN THE HEARD ISLAND REGION (DIVISION 58.5.2) FOR 2008 AND 2009
generally reduced from the previous year’s survey, with the catch of toothfish being one third of that for ... than that of 2008, with the catches of toothfish and icefish being four and five times higher ...
Meeting Document : WG-FSA-09/34 : Author(s): G.B. Nowara (Australia)
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ADULT ANTARCTIC KRILL FEEDING AT ABYSSAL DEPTHS
early 20th century, coupled with subsequent work with both nets and echosounders, indicated that the ...
Meeting Document : WG-EMM-08/P01 : Author(s): A. Clarke and P.A. Tyler
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ESTIMATING THE SWEPT AREA OF DEMERSAL LONGLINES BASED ON IN-SITU VIDEO FOOTAGE
, the section of line visible to the camera swept sideways, interacting with sessile benthic organisms ... to be comparable with that of demersal trawls. We also provide evidence that benthic fauna that are ...
Meeting Document : WG-FSA-08/58 : Author(s): D. Welsford and R. Kilpatrick (Australia)
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Vessel notification
Inspection if it were to be combined with a reliable system of advance notification of fishing vessels ... compared with the performance of a satellite-based vessel monitoring system (Inmarsat-C/GPS), which is also ...
Meeting Document : CCAMLR-XIV/13 : Author(s): Secretariat
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Using mark-recapture and catch-age data to estimate fishing and natural mortality for the Patagonian toothfish at South Georgia
between natural and fishing mortality. The model essentially follows tagged cohorts, with the estimated ... analysed with the model. The ages covered by the analysed cohorts ranged from 5 to 13. In the model runs ...
Meeting Document : WG-FSA-SAM-06/06 : Author(s): R.M. Hillary and D.J. Agnew (United Kingdom)
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Results of the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in the 2013/14 season
, together with the estimation of the total Biomass in the entire SSRU using a depletion model. There have ... abundance by tag-recapture models. The IEO is starting the process of reading otoliths with ageing purposes ...
Meeting Document : WG-SAM-14/12 Rev. 1 : Author(s): R. Sarralde, L.J. López-Abellán and S. Barreiro (Spain)
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The demersal fish communities of the shelf and slope of South Georgia and Shag Rocks (CCAMLR Subarea 48.3)
(400-600m) diversity increases with the presence of many benthopelagic species including Stomiiformes ... Southern Ocean. Clear regional differences in the shelf community are apparent with differences observed in ...
Meeting Document : WG-FSA-14/26 : Author(s): S. Gregory, M.A. Collins and M. Belchier (United Kingdom)
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Assessment of stone crab (Lithodidae) density on the South Georgia slope using baited video cameras
formosa was estimated. Numbers of crabs increased rapidly following bait emplacement, with total numbers ... ). Density was not significantly correlated with depth, temperature or current speed and variability was ...
Meeting Document : WG-FSA-03/77 : Author(s): M.A. Collins, C. Yau, F. Guillfoyle, P. Bagley, I. Everson, I.G. Priede and D. Agnew (United Kingdom)