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

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

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

   to 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 ... and there were 14 taxa for which the frequency of occurrence was >1% in any subarea (of which 7 were ...

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

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

   uncertainty and the large range of magnitude (>6 orders of magnitude) in trophic flows between different ... , 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 not yet been ... of parameter uncertainty and the large range of magnitude (>6 orders of magnitude) in trophic flows between ...

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

4. 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

   species: α = 1.254 + 0.03512* TL- 0.02463* Depth- 0.7668* Area Where α<0.5 indicates M. caml and α&gt ... ;<0.5 indicates M. caml and α>0.5 indicates M. whitsoni. Based on withholding data ... regression coefficient, R=0.776 [F (4, 522) = 272.9, p < 0.001], the proportion correctly identified ... subareas 88.1 and 88.2 [t (218) = 4.20, p < 0.001 ***], which provides some evidence that they could ...

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

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

   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 in the krill fishery ... in both datasets. The length-frequency distribution of all taxa for which >200 fish were measured had ... modal size class of <10 cm. ...

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

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

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

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

   -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 every ... temperature (August SST) from the preceding year. A quadratic regression (r 2 = 0.42, P<0.05) provides ... , 2005-2007) of high values (µ > 30 g m-2) interspersed with years (1999-2000, 2004, 2009-2010 ...

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

8. 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 ... with maturity stage > I. However, the results in reading for 40 reference samples provided by AAD were less ... consistent with those read by the AAD readers. The Japanese reader tended to overestimate for < 30 years ...

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

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

   (µ, 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 ... 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).   ...

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

10. Fish by-catch in the krill fishery: 2016 update

    % Lepidonotothen larseni. The length-frequency distribution of all taxa for which >100 fish were measured had ... modal size class of <10 cm. The fish species taken as by-catch in the krill fishery are the same ... larseni. The length-frequency distribution of all taxa for which >100 fish were measured had modal size ... class of <10 cm. The fish species taken as by-catch in the krill fishery are the same species ...

    Meeting Document : WG-FSA-16/04 : Author(s): CCAMLR Secretariat

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