Résultats de la recherche

1. Detailed distribution of krill fishing around South Georgia

   Abstract:  The distribution of kri!! harvesting effort and associated catch rates has previously ... only been available to the scientific community in the form of sub-area or fine-scale(0.5 ° latitude by ... 1 ° longitude) recorded statistics. Earlier analyses of these data have shown this was a shelf-break ... fishery over much of the Scotia Sea. Although these statistics give a general idea of where the fishery ...

   Meeting Document : WG-EMM-96/64 : Auteur(s): Parkes, G., Everson, I., Trathan, P.N., Murphy, E.J.

2. Size variations associated with abundance changes in juvenile Notothenia rossii observed at Potter Cove, South Shetland Islands, since the end of the fishery in the area

   Abstract:  Samp1es of fjord fish of the species N. rossii and N. neglecta collected at Potter Cove ... mean sizes of pre-recruit N. rossii was clearly observed along the whole sampling period. This was ... interpreted as a consequence of a significant reduction in the influx of the youngest age classes into inshore ... waters followed by the departure of the older (and more abundant) specimens offshore. These changes are ...

   Meeting Document : WG-FSA-91/13 : Auteur(s): E. Marschoff and E. Barrera-Oro (Argentina)

3. Target strength estimation of Antarctic krill, Euphausia superba by cooperative experiments with commercial trawlers

   Abstract:  An estimate of target strength of Antarctic krill, Euphausia superba was obtained by a ... series of cooperative experiments between research vessel and commercial krill trawler. Estimated target ... strength per 1g wet weight of Antarctic krill was-66.ldB a t the frequency of 200kHz. Average size of krill ... was 47.48mm and 0.873g. Author(s):  Delegation of Japan Title:  Target strength estimation of ...

   Meeting Document : SC-CAMLR-VIII/BG/30 : Auteur(s): Delegation of Japan

4. Results of the groundfish survey carried out in CCAMLR Subarea 48.3 in January 2010

   vessel. Catch-weighted length frequencies of mackerel icefish indicated that although 3+ sized fish ... mean biomass of 52,329 tonnes was estimated for mackerel icefish, with a lower 1-sided 95% CL of 24,334 ... and low availability of krill to mackerel icefish in the area (evidenced by dietary analysis) in 2009 ... , this increase in biomass was unexpected. The importance of krill in the mackerel icefish diets was ...

   Meeting Document : WG-FSA-10/38 : Auteur(s): R.E. Mitchell, M. Belchier, S. Gregory, L. Kenny, J. Nelson, J. Brown and L. Feathersone (UK)

5. 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

6. 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)

7. 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)

8. 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

9. 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

10. 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)

Pages