Résultats de la recherche
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Proposed methodology for the assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank (Division 58.4.3b)
resource in this area, and the lack of a scientific basis for setting catch limits in these areas (SC-CAMLR ... of grounds through analysis of spatial pattern in catch and effort; • Construction of standardised ... (?) to satisfy the CCAMLR decision rules. • Analysis of relative catch rates of bycatch groups and target ... species The input data for this assessment is the C2 catch and effort data held by CCAMLR for the fishery ...
Meeting Document : WG-SAM-07/8 : Auteur(s): D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)
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An assessment of longlining operations for Dissostichus eleginoides on board the Chilean-registered longliner BF Cisne Verde during March–May 1997 around South Georgia (Subarea 48.3)
. Previous catch rates were used to set daily sampling effort, and accurately achieved a CCAMLR sampling ... was only 0.8% of the mean daily catch rate; total by-catch by numbers was less than 5%. Consistent ... exclusion effects may be important in determining the catch taken by longlines. Continuing decreases in size ...
Meeting Document : WG-FSA-97/41 : Auteur(s): Ashford, J.R., Everson, I.
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The annual random stratified trawl survey to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari in the Heard Island region (Division 58.5.2) for 2012
RSTS were generally high in comparison with previous years, with the total fish catch being twice as ... the long-term average, except for those of Channichthys rhinoceratus which was 10% lower. The catch of ... skates was also taken in 2012. The catch of invertebrates in the 2012 survey, 4 t, was about half that of ... for coral, with a reported catch of 0.6 t, being significantly greater than the long term average (50 ...
Meeting Document : WG-FSA-12/25 : Auteur(s): G.B. Nowara and T. Lamb (Australia)
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A preliminary stock assessment in SSRUS 486A, G: A Bayesian and CPUE based biomass dynamic model
Abstract: The present report analyses data regarding CPUE, tagging and catch and their ... sets in which both species are present, and thus, an analysis of catch intention was implemented by ... using multivariate statistical approach of the catch composition. Standardisation of CPUE was done by ... analysed in terms number of tagged and recovered individuals, and tag size-overlap. Catch reported and ...
Meeting Document : WG-SAM-13/29 : Auteur(s): R. Wiff, J.C. Quiroz (Chile) and R. Scott (United Kingdom)
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Revised stock assessment of the Patagonian toothfish, Dissostichus eleginoides, in research block C of Division 58.4.4 (Ob & Lena Banks) using CASAL
assessment of stock status of D. eleginoides in SSRU C was made by Japan using a CASAL catch-at-length model ... tested to highlight the contribution of IUU catch and selectivity, data weighting methods and catch-at ... -age or catch-at-length data. The median MPD estimates of the initial B 0 are around 500 and 900 tons ...
Meeting Document : WG-FSA-14/06 : Auteur(s): A. Rélot-Stirnemann (France)
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The annual random stratified trawl survey in the waters of Heard Island (Division 58.5.2) to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari for 2015
, including the net used were identical to previous surveys. The catch rate of D. eleginoides was twice that ... of 2014 and two and a half times that of the long-term average for the survey. The C. gunnari catch ... rate was at about half the average. For the managed bycatch species catch rates were higher than the ... average for C. rhinoceratus, macrourids and skates, but lower for L. squamifrons. The catch of ...
Meeting Document : WG-FSA-15/11 : Auteur(s): G.B. Nowara, T.D. Lamb and D.C. Welsford (Australia)
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Revised CASAL model for D. eleginoides with updated biological parameters at Division 58.4.4b
estimation of IUU catch” and “1.5 Update CASAL model” (SC-CAMLR-37 Report, Annex12). A single-sex age ... 58.4.4b. The base model (M1) did not explicitly consider either IUU catch and depredation; those were ... future predictions of toothfish biomass under current catch level (19 tonnes) with/without depredation ... and IUU catch. Author(s): T. Okuda and F. Massiot-Granier Title: Revised CASAL model for D ...
Meeting Document : WG-SAM-2019/30 : Auteur(s): T. Okuda and F. Massiot-Granier
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Species identification and age estimation for the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea
whitsoni) from the Ross Sea Abstract / Description: Samples of macrourid rattail by-catch from the ... , Wellington New Zealand Abstract Samples of macrourid rattail by-catch from the toothfi sh fi shery in the ... than 1% of the catch. Macrourids, almost exclusively Macrourus whitsoni, comprised a substantial by ... -catch of the fi shery and accounted for about 10% of total landed weight (Hanchet et al., 2002). In ... -catch, the species is clearly of com- mercial importance, and is in need of monitoring and management ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 37–51 : Auteur(s): Marriott, P., P.L. Horn and P. McMillan
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2007 assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
updated to take account of further catch, GLM standardised CPUE and catch-at-length information that has ... 500 tonnes or less, unless a large proportion of the catch is to be taken by pots (which avoid the ...
Meeting Document : WG-FSA-07/34 Rev. 1 : Auteur(s): A. Brandão and D.S. Butterworth (South Africa)
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Spawning periods and locations of Champsocephalus gunnari in Subarea 48.3 (South Georgia and Shag Rocks): a review
Abstract: Analysis of recent commercial catch, research survey and larval data for mackerel ... measure restricting the total allowable catch during the assumed spawning period from March-May is ... brooding seabirds being caught as by-catch. Author(s): S. Clarke, M. Belchier and M.A. Collins Title ...
Meeting Document : WG-FSA-07/55 : Auteur(s): S. Clarke, M. Belchier and M.A. Collins