Résultats de la recherche

1. 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)

2. 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)

3. 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)

4. 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

5. 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)

6. 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

7. KRILL FISHERY REPORT: 2008 UPDATE

   preliminary estimate of the total catch of krill for the season is approximately 108343 t. This compares with ... : Availability of fishery and observer data; Time series of catch by season, Contracting Party and small-scale ... management unit; Species composition of by-catch; Occurrence of incidental catches of seabirds and mammals ...

   Meeting Document : WG-EMM-08/05 : Auteur(s): Secretariat

8. Preliminary investigations of an assessment model for skates and rays in the Ross Sea

   attempted to create a catch history of all skates and rays in the Ross Sea, and integrate these data with ... assessment model. We conclude that aspects of the catch history were very uncertain, including the species ... tagged or discarded. The size composition of the commercial catch was also very uncertain because of the ... multi-species catch has not been investigated. While is it plausible that a general model may be ...

   Meeting Document : WG-SAM-07/4 : Auteur(s): A. Dunn, S.M. Hanchet, S.L. Ballara and M.P. Francis (New Zealand)

9. Revised input parameters and implications for the Antarctic toothfish (Dissostichus mawsoni) stock assessment in Subareas 88.1 and 88.2

   Antarctic toothfish stock assessment for the Ross Sea fishery. In particular we review catch history, length ... -weight relationships, catch-at-length and catch-at age. In addition, we report some preliminary model ... with the location variables. The catch and CPUE indices for the Ross Sea Antarctic toothfish fishery ...

   Meeting Document : WG-SAM-07/6 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)

10. An investigation of integrated stock assessment methods for the Patagonian toothfish (Dissostichus eleginoides) in Division 58.5.2 using CASAL

    the abundances of juvenile fish but adding fishery catch-at-length data, including a standardised ... catch-per-unit-effort (CPUE) series. The base-case scenario was then extended to include estimates of ... IUU catch and mark-recapture data. Key sensitivity trials were also used to explore the tension ... . Although computer processing time is substantially increased, the inclusion of the catch-at-length and the ...

    Meeting Document : WG-FSA-SAM-06/14 : Auteur(s): A. Constable, S. Candy and I. Ball (Australia)

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