Résultats de la recherche

1. The spawning dynamics of Patagonian toothfish in the Australian EEZ at Heard Island and the McDonald Islands and their importance to spawning activity across the Kerguelen Plateau

   industry conducted a joint project to study the reproductive dynamics of Patagonian toothfish (Dissostichus ... available for 12 563 individuals. The histology of male and female gonads was also analysed from specimens ... latitudinal range along the deep slope of the Kerguelen Plateau. A comparison of macroscopic staging of gonad ... resting mature animals (as confirmed by the presence of post-ovulatory follicles) from first maturing ...

   Meeting Document : WG-FSA-12/P08 : Auteur(s): D.C. Welsford, J. McIvor, S.G. Candy and G.B. Nowara

2. Comparison of catches for toothfish in 58.4.1, 58.4.2, and 48.6 from vessels with anomalous CPUE

   vessels in data-poor exploratory fisheries (Delegation of Korea 2013). That paper requested that the data ... Abstract:  An accurate history of catch is an important input into the assessment of toothfish ... stocks, and uncertainty or bias in the amount of catch from an area must be taken into account in the ... assessment of a stock. In 2013, Korea held a workshop on the anomalous CPUE data reported from some Korean ...

   Meeting Document : WG-FSA-13/57 Rev. 1 : Auteur(s): A. Dunn, B.R. Sharp (New Zealand), C. Darby (United Kingdom) and O.R. Godø (Norway)

3. Revised assessment models for Patagonian toothfish in research block C of Division 58.4.4, Ob & Lena Banks for the years 1989/1990 to 2012/13

   Abstract:  I made five sensitive runs of CASAL models for stock status assessments of Dissostichus ... eleginoides in research block C in Division 58.4.4 b on the assumption of constant year class strength and no ... addition, proportion mature for ages was calculated on the assumption of logistic curve fitting for the ... proportion of maturity index with stage 2+ and incorporated in the models. The median MPD estimates of the ...

   Meeting Document : WG-SAM-14/15 : Auteur(s): K. Taki (Japan)

4. A sentiment analysis of online content containing Antarctic krill fishing search terms

   Abstract:  The sentiment of online content containing Antarctic krill fishing and related search ... terms 12 was analysed to evaluate public perception of the fishery, as a consideration in management 13 ... decisions. The Antarctic krill fishery is managed by the Commission for the Conservation of 14 Antarctic ... combination of recent increases in catches and perceived 16 negative environmental impacts of fishing for ...

   Meeting Document : WG-EMM-17/18 : Auteur(s): J. Barrett, K. Reid and J. Jabour

5. Revised continuation proposal of a multi-Member longline survey on Patagonian toothfish (Dissostichus eleginoides) in Division 58.4.4b in 2018/19 by Japan and France

   Abstract:  Japan and France revised a plan to continue to investigate the populations of ... Japan so that selectivity and catch rates can be standardized across the vessels and impacts of ... depredation be minimized. Additional outcomes of the research relate to documenting the degree of depredation ... distribution, relative abundance, and life history of bycatch species. The plan represents a continuation of ...

   Meeting Document : WG-FSA-18/44 : Auteur(s): Delegations of Japan and France

6. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2006/07

   years in Subarea 88.1 and for five years in Subarea 88.2. This report summarises the large amount of ... the second highest on record with a total of 3431 t against a combined catch limit of 3579 t. The ... management of the SSRUs within the two subareas was changed for the 2006 season as part of a 3-year ... experiment (SC-CAMLR-XXIV). One of the aims of the experiment was to simplify the administration of the ...

   Meeting Document : WG-FSA-07/28 : Auteur(s): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)

7. Summary fact sheets for bioregionalisation of the Southern Ocean – examples from the Indian Ocean sector (Area 58)

   Abstract:  Factsheets outlining the physical and biological attributes of selected sectors of the ... CCAMLR convention area are presented. An overview of CCAMLR Area 58 (Indian Ocean Sector) illustrates ... bathymetry and major oceanographic features (fronts and sea ice extent) and describes the findings of the ... provide details of bathymetry, physical oceanography, cryosphere, geomorphology and benthic & pelagic ...

   Meeting Document : WS-BSO-07/9 : Auteur(s): K. Martin-Smith, P. O’Brien, B. Raymond and A. Constable (Australia)

8. Interactions between seabirds and deep water hake trawl gear: an assessment of impacts in South African waters 2004/05

   Abstract:  This study estimates the mortality of seabirds in the South African deep water hake ... trawl fishery. Observations of interactions between seabirds and trawl gear were made on 331 trawls ... frequently, with Shy Albatrosses comprising 43% and Black-browed Albatrosses 37% of birds killed. Small ... numbers of White-chinned Petrels (10%), Cape Gannets (7%) and Sooty Shearwaters (3%) also were killed ...

   Meeting Document : WG-FSA-06/41 : Auteur(s): B.P. Watkins, S.L. Petersen and P.G. Ryan (South Africa)

9. A statistical method for analysing the extent of IUU fishing in CCAMLR waters: application to Subarea 48.3

   Abstract:  1. This paper describes a new method for estimating IUU catch of fish and birds. It ... account of both “seen” and “unseen” IUU fishing through a simulation model to arrive statistically ... rigorous estimates and confidence intervals of fish and bird catch by IUU vessels. This method has not been ... extension to other regions of the Antarctic. 2. Of the sources of information on IUU fishing, Fishery ...

   Meeting Document : WG-FSA-02/4 : Auteur(s): D.J. Agnew and G.P. Kirkwood (United Kingdom)

10. Longline sink rates of an autoline vessel, and notes on seabird interactions

    Abstract:  A series of longline sink-rate trials were conducted with and without weights, from an ... , and the design was refined during the voyage. The aerial section of the tori line appeared to provide ... an effective deterrent to most seabirds. Statistical analyses of the data from the line sink rate ... of the attached weights. Data on line sink rate and tori line coverage suggest that quicker line sink ...

    Meeting Document : WG-FSA-01/44 : Auteur(s): N.W.McL. Smith (New Zealand)

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