Résultats de la recherche

1. EU PROPOSAL FOR AMENDMENT TO CCAMLR CONSERVATION MEASURE 10-04 TO INCLUDE KRILL VESSELS IN VMS REPORTING

   received from their krill vessels to the CCAMLR Secretariat (CM 10-04 para 10 and onwards). The Contracting ... widely recognised. CCAMLR Members acknowledge the need of ensuring a sustainable fishing activity on ... fishery, including significantly increased catches, is a potential threat to the Antarctic ecosystem ... . Vessel Monitoring System, a system used to detect and monitor the movements of vessels, is nowadays a ...

   Meeting Document : CCAMLR-XXIX/41 : Auteur(s): Delegation of the European Union

2. Recalculation of Antarctic krill (Euphausia superba) biomass off East Antarctica (30–80°E) in January–March 2006

   gm-2 (CV = 0.16) cf. 21.9 gm-2 (CV=0.16) of Jarvis et al. (2010), which equates to a krill biomass, B ... Jarvis et al. (2010) Deep-sea Res. Pt II 57:916-933.  Biomass recalculation methods conformed to the ... 0, of 28.43 (95% CI = 19.93 to 36.93) Mt cf. 28.75 (95% CI =19.63 to 37.87) Mt of Jarvis et al ... . (2010). Both the revised and Jarvis et al. (2010) point and variance estimates are practically identical ...

   Meeting Document : WG-EMM-12/31 : Auteur(s): M.J. Cox and S. Kawaguchi (Australia)

3. Research results from the SPRFMO exploratory fishing program for Antarctic toothfish 2016 and 2017

   al. 2008, Parker & Marriott 2012, Stevens et al. 2016). These results give a strong indication ... August 2016 (Fenaughty et al. 2016) and September 2017. Analysis of the information collected showed high ... except for two juvenile Patagonian toothfish. Sex ratios showed a high proportion of males to females ... partial starvation which would be consistent with a spawning event prior to the sampling in 2016 and 2017 ...

   Meeting Document : WG-FSA-18/39 : Auteur(s): J.M. Fenaughty, M. Cryer and A. Dunn

4. Models of larvae dispersion of Antarctic toothfish (Dissostichus mawsoni)

   circumpolar oceanographic model documented by Rickard et al. (2010). We used a finer resolution of simulated ... circumpolar models of larval dispersion for D. mawsoni developed by Hanchet et al. (2008) using the HiGEM ... et al. 2010) oceanographic model. The results are currently too preliminary to make conclusions about ... Abstract:  Antarctic toothfish (Dissostichus mawsoni) have a circumpolar distribution, and have ...

   Meeting Document : WG-FSA-12/48 : Auteur(s): A. Dunn, G.J. Rickard, S.M. Hanchet and S.J. Parker (New Zealand)

5. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–G for the years 2002–03 to 2010–11

   from all vessels led to a 20% increase in biomass. We believe that the SSRU 88.2C–G model provides a ... fish are caught and most of the effort has been concentrated. For our reference case we used a selected ... fishery led to a 10% increase of biomass, due to the low numbers of tags there, whilst including tag data ... better accounts for the age frequency structure of the north and south areas.   Author(s):  S. Mormede, A ...

   Meeting Document : WG-FSA-11/43 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)

6. Estimating the biodiversity and distribution of the northern part of the Kerguelen Islands slope, shelf and shelf-break for ecoregionalisation: benthos and demersal fish

   adults (Koubbi et al., 2001). More recently, the POKER I survey (2006), for demersal fish, POKER II (2010 ... (epi-, meso- and bathypelagic) (Duhamel et al., 2005). Fish larvae distribution showed that there is an ... island mass effect allowing retention of notothenioid larvae over the shelf (Koubbi et al., 1991 and 2009 ... species (Koubbi et al., 2000). Currently, 960 species have been recorded for benthos (Améziane et al ...

   Meeting Document : WS-MPA-11/09 : Auteur(s): N. Améziane, M. Eléaume, P. Pruvost, G. Duhamel and Kerguelen group (France)

7. Performance metrics to index the spatial coverage of mark-recapture data

   important focus topic for WG-SAM (SC-CAMLR-XXXIV, 2015, para 3.83). This paper outlines developments towards ... statistics: (i) a single measure of the degree of spatial overlap between the release of tagged fish and ... subsequent fishing effort for tag recovery, labelled the tag spatial overlap (TSO) statistic and (ii) a ... -recapture data, labelled the tag spatial bias (TSB) statistic. We apply the method to a single case study ...

   Meeting Document : WG-SAM-16/13 : Auteur(s): C. Marsh, A. Dunn and S. Mormede

8. Zooplankton target strength: volumetric or areal dependence?

   from similar experiments (Wiebe et al., 1990), and to the high-pass models, the regressions indicated ... that TS is proportional to the cross-sectional area of the animal. However, neither Wiebe et al. (1990 ... Born Approximation Model (Chu et al., 1993), indicated that animal behavior is an important factor in ... kHz and I MHz data were collected with a dual-beam sonar system and the 200 kHz data with a split-beam ...

   Meeting Document : WG-Krill-94/13 : Auteur(s): D.A. Demer and L.V. Martin (USA)

9. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H for the years 2002–03 to 2012–13

   the revised data selection method (R2), using a logistic selectivity for the northern fishery (R3 ... in 2010, 2011 and 2012 suggest a much lower biomass, and data from tags released from 2004 to 2009 ... suggest an intermediate biomass. The two models (R1 and R2) which estimate a higher biomass are those ... where the age data were more influential. However, these age data are not reliable because a single age ...

   Meeting Document : WG-FSA-13/52 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)

10. Revised continuation proposal of multi-Member research on Patagonian toothfish (Dissostichus eleginoides) exploratory fishery in 2018/19 in Division 58.4.3a by France and Japan

    , para. 3.121). France and Japan commonly notifies their intention to continue their exploratory ... Abstract:  France and Japan revised a research plan to continue investigating the populations of ... achieve a robust stock assessment. We present here a proposal for the continuation of the research plan as ...

    Meeting Document : WG-FSA-18/61 : Auteur(s): Delegations of France and Japan

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