Résultats de la recherche

1. Progress towards an assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 882C–H for the years 2002/03 to 2017/18 using a two-area model

   region is split into two areas: the North (SSRU 88.2H) comprising large mature fish, and the South (SSRUs ... 88.2C–G) comprising a mix of large mature fish and small immature fish. Two-area stock assessment models ... collect mark-recapture data in the South to inform the estimation of biomass in the South. Simulation work ... models including data from four years of recapture data from the South. The assessment models were fit to ...

   Meeting Document : WG-FSA-18/37 : Auteur(s): S. Mormede and S. Parker

2. Materials on biodiversity in Subareas 48.6 and 48.5 in relation to the Weddell Sea MPA proposall

   fish species and krill  in the Subarea 48.5 and 48, 6.   The areas for fishing activity and protection ... Secretariat Workflow Status:  Content Approved Document Release Consent:  No Delegation responsibility for ...

   Meeting Document : CCAMLR-XXXVII/BG/23 : Auteur(s): Delegation of the Russian Federation

3. Materials on biodiversity in Subareas 48.6 and 48.5 in relation to the Weddell Sea MPA proposall

   fish species and krill  in the Subarea 48.5 and 48, 6.   The areas for fishing activity and protection ... Workflow Status:  Content Approved Document Release Consent:  No Delegation responsibility for releasing ...

   Meeting Document : CCAMLR-38/BG/33 : Auteur(s): Delegation of the Russian Federation

4. Notothenia (P.) guntheri stock status and TAC estimation in the area of Shag Rocks (Subarea 48.3)

   -0.9 (Atlantic Fisheries Research Institute data). To estimate terminal value of instantaneous fishing ... (Subarea 48.3) Abstract / Description:  Data on age composition of catches and fishing efforts for 1979/80 ... -1987/88 were used to analyse N. guntheri stock status. On the basis of these data using VPA method with ... TAC ESTIMATION IN THE AREA OF SHAG ROCKS (SUBAREA 48.3) K. Shust and R. Borodin Abstract Data ... . guntheri stock status. On the basis of these data using V P A method with different adjustments stock ... Research Institute data). To estimate terminal value of instantaneous fishing coefficient (F) different ... Tabla 1 Tabla 2 Tabla 3 Tabla 4 Tabla 5 Table Legends Data on average weight of N. guntheri ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 53-68 : Auteur(s): Shust, K. and R. Borodin

5. A proposed management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity

   resource in the Prince Edward Islands region is unclear because CPUE data suggest considerable depletion ... resource. The MP uses two data sources: the recent trend in longline CPUE and the mean length of the ... information would be necessary to guard against a change in selectivity towards greater catches of older fish ... developed which take account of the different selectivities of past longline and pot fisheries. These OMs ... catch- at-length data are generated. The change in selec- tivity to more smaller fish decreases the ... Working Group on Fish Stock Assessment regularly reviews assessments of these fisheries and develops ... of ‘data-poor’ species through Bayesian stock assessment methods. Final Report to Fisheries ... Islands region is unclear because CPUE data suggest considerable depletion, whereas catch-at-length ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 33–69 : Auteur(s): Brandão, A. and D.S. Butterworth

6. Choosing distance between acoustic survey tacks

   , and the variation coefficient of the density values of the krill concentrations. It is recommended ... analysis of data from actual hydroacoustic surveys. The model consists of two parts, one imitating ... distribution in the patch - 157 - obtained by analysing data from actual hydroacoustic microsurveys. A ... biomass estimate. The data from the numerical simulations, and results of their mathematical ... relationship (2) - 158 - The density values variation coefficient v can be estimated by the data from ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 153-164 : Auteur(s): Kalikhman, I.L., Z.I. Kizner, B.R. Zaripov and W.D. Tesler

7. Determination of a statistically based survey area suitable for hydroacoustic stock assessment of Euphausia superba in the Elephant Island, King George Island, Bransfield Strait area

   -series of data from 1981, 1984 and 1978-1989 permitted resolution of inter-year differences in standing ... data as to whether high or law standing stock is due to low production (ie. "good" year vs ... of krill and based on evaluating the variance structure of sampling within the area from a time ... probably encompasses the migratory range of a single group of krill within the period of observation and ...

   Meeting Document : SC-CAMLR-VIII/BG/32 : Auteur(s): Delegation of USA

8. A single-area stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea for the 2004/05 season

   , slope, and north). Model fits to the data were adequate, with the tag-release and recapture data ... single homogeneous area (single-area) with catch removals from three spatially based fisheries (shelf ...

   Meeting Document : WG-FSA-05/33 : Auteur(s): A. Dunn, D.J. Gilbert and S.M. Hanchet (New Zealand)

9. A false positive in the CCAMLR tag overlap statistic arising from low catch volume and consequent limited sample size

   minimum of 60% as specified in CM 41-01. A review of the data indicates that the number of fish tagged was ... of fish tagged did not match closely with that of the catch resulting in a the overlap statistic, as ... required by CM 41-01. The overall length range of the two data sets was similar indicating that this was ... not a case of only small fish being tagged. The low tag overlap statistic is shown to be a sampling ...

   Meeting Document : WG-FSA-14/31 : Auteur(s): C. Darby (United Kingdom)

10. Research plan for the 2018/19 exploratory longline fishery of D. mawsoni in Subarea 48.6 by Spain

    order to speed up the acquisition and data analysis, Spain proposes their collaboration with ZAF and JAP ... increase the acquisition of data necessary to achieve a fully stock assessment in the subarea in the ... fisheries in CCAMLR area, is an ice strengthened vessel that could contribute to achieve the catch limit by ...

    Meeting Document : WG-SAM-18/02 : Auteur(s): Delegation of Spain

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