Résultats de la recherche

1. PROPOSITION DE CAMPAGNE DE RECHERCHE FINANCEE PAR LA CCAMLR VISANT A SURVEILLER L'ABONDANCE DES PRE-RECRUES DE LEGINE ANTARCTIQUE DANS LE SECTEUR SUD DE LA MER DE ROSS

   chronologique de campagnes d'évaluation à la palangre pour suivre les pré-recrues (&lt ... ;100 cm LT) de légine dans le sud des SSRU 881.J et 881.L (secteur sud de la mer de Ross ...

   Meeting Document : SC-CAMLR-XXX/07 : Auteur(s): Delegation of New Zealand

2. Updated models of the habitat use of Patagonian toothfish (Dissostichus eleginoides) on the Kerguelen Plateau around Heard Island and the McDonald Islands (Division 58.5.2)

   depth. Proportion of females increased at shallower (<500m) and deeper (>1200m) depths, whereas a ... (Dissostichus eleginoides) in the CCAMLR area, with landings of  >5000 t.yr-1 from the French EEZ (Division ... , immature, fish were mostly found over the Plateau (<400m) and banks tops (i.e. Shell Bank), whereas ... larger fish inhabit deeper waters (>1500m) especially on the eastern part of the Plateau, where the ...

   Meeting Document : WG-FSA-14/42 : Auteur(s): C. Péron and D.C. Welsford (Australia)

3. Update on the analysis of fish by-catch in the krill fishery using data from the CCAMLR Scheme of Scientific Observation

   0.98 and there were 14 taxa for which the frequency of occurrence was >1% in any subarea (of which 7 ... were Channichthids). The modal size class of the fish taxa for which >100 length measurements were ... available all had a modal size of <10cm. Extrapolation of the mass of fish in the bycatch data would ...

   Meeting Document : WG-EMM-14/31 Rev. 1 : Auteur(s): Secretariat

4. A PRELIMINARY BALANCED TROPHIC MODEL OF THE ECOSYSTEM OF THE ROSS SEA, ANTARCTICA, WITH EMPHASIS ON APEX PREDATORS

   parameter uncertainty and the large range of magnitude (>6 orders of magnitude) in trophic flows between ... , the adjustments required for balance from the parameters estimated a priori were <46% (biomass ... ), <15% (production, consumption), and <28% (diet fractions). The balanced model presented here has ...

   Meeting Document : WG-EMM-08/42 : Auteur(s): M.H. Pinkerton, J.M. Bradford-Grieve and S.M. Hanchet (New Zealand)

5. Discrimination of two species of grenadier (Gadiformes, Macrouridae), Macrourus whitsoni and M. caml, in the Ross Sea region of the Southern Ocean (CCAMLR Subareas 88.1 and 88.2) on the basis of otolith morphometrics

   discrimination between the two species: α = 1.254 + 0.03512* TL- 0.02463* Depth- 0.7668* Area Where α<0.5 ... indicates M. caml and α>0.5 indicates M. whitsoni. Based on withholding data for testing in 10 folds, the ... multiple linear regression coefficient, R=0.776 [F (4, 522) = 272.9, p < 0.001], the proportion ... in α for M. whitsoni between subareas 88.1 and 88.2 [t (218) = 4.20, p < 0.001 ***], which ...

   Meeting Document : WG-FSA-14/63 : Auteur(s): M.H. Pinkerton, C. Ó Maolagáin, J. Forman and P. Marriott (New Zealand)

6. Variability and predictability of Antarctic krill swarm structure

   1 swarms were generally small (< 50 m long) and were not very tightly packed (< 10 ind m-3 ... , containing swarms that were isolated (>100 km away from the next swarm). The distribution of swarm types ... significant explanatory power (P<0.05): surface fluorescence, PAR, krill maturity and krill body length ...

   Meeting Document : WG-EMM-10/P10 : Auteur(s): G.A.Tarling, T. Klevjer, S. Fielding, J. Watkins, A. Atkinson, E. Murphy, R. Korb, M. Whitehouse and R. Leaper

7. Fish by-catch in the krill fishery: 2018 update

   frequently reported in both datasets. The length-frequency distribution of all taxa for which >200 fish ... were measured had modal size class of <10 cm. Author(s):  CCAMLR Secretariat Title:  Fish by-catch ...

   Meeting Document : WG-FSA-18/10 : Auteur(s): CCAMLR Secretariat

8. Interannual variability in Antarctic krill (Euphausia superba) density at South Georgia, Southern Ocean: 1997 – 2013

   , 2001-2003, 2005-2007) of high values (µ > 30 g m-2) interspersed with years (1999-2000, 2004, 2009 ... -2010) of low density (µ < 30 g m-2). This pattern showed three different periods, with fluctuations ... sea-surface temperature (August SST) from the preceding year. A quadratic regression (r 2 = 0.42, P&lt ...

   Meeting Document : WG-EMM-14/P04 : Auteur(s): S. Fielding, J. Watkins, P. Trathan et al.

9. Preliminary studies on age, growth and size at sexual maturity of Dissostichus eleginoides in the Ob-Lena Bank in the 2007/08 season

   tended to overestimate for < 30 years, but underestimate for > 30 years, as compared to AAD readers ... , respectively, assuming animals with maturity stage > I. However, the results in reading for 40 reference ...

   Meeting Document : WG-FSA-11/16 : Auteur(s): K. Taki, T. Iwami and M. Kiyota (Japan)

10. Inter-annual variability in krill density at South Georgia: 1997–2012

    , mean density for the area) showed several years of moderate to high values (µ > 30 gm-2 ... ) interspersed with years (1999-2000, 2004, 2009-2010) of very low density (µ < 30 gm-2).   Author(s):  S ...

    Meeting Document : WG-EMM-13/14 : Auteur(s): S. Fielding, J.L Watkins, P. Trathan, P. Enderlein, C. Waluda, C. Goss, G. Stowasser, G. Tarling and E. Murphy (United Kingdom)

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