Résultats de la recherche

1. On the very high likelihood of bycatch of ice krill (Euphausia crystallorophias) in the present-day fishery for Antarctic krill (E. superba)

   . superba). Furthermore there seemed to be little confidence amongst participants that under present ... observer practice any such bycatch would be detected – this despite the fact that fishers are obligated as ... fishery operates in geographic areas that overlap with the known range of Ice krill, that Ice krill and ... companies (ARK), the Marine Stewardship Council (MSC) and CCAMLR, it became apparent that no bycatch of Ice ...

   Meeting Document : WG-EMM-18/05 : Auteur(s): A.S. Brierley and R. Proud

2. Direct ageing of Antarctic krill (Euphausia superba) – potential utility of eyestalk sections for age determination

   superba). Recent studies (Kilada et al. 2012), have shown that annular growth bands are present in the ... examined and were determined to show distinct bands within the endocuticle consistent with their known age ... to 2014) using this technique to determine whether annuli could be resolved in wild samples across ... seasons.  Marks consistent with annuli observed in laboratory raised krill were observed. Length at age ...

   Meeting Document : WG-EMM-15/45 : Auteur(s): C. Reiss (USA), R. Kilada (Canada) and S. Kawaguchi (Australia)

3. REPORT ON A LONGLINE SURVEY CONDUCTED BY THE FV JANAS IN MAY 2008 ON BANZARE BANK, AND AN ASSESSMENT OF THE STATUS OF DISSOSTICHUS SPP. IN DIVISION 58.4.3B

   that the D. mawsoni population is almost entirely large mature fish with a bias towards males, which ... characteristics of the two species of Dissostichus indicate that species specific management should be considered ... , ranging between 0 and 225 kg.1000 hooks-1, consistent with toothfish being depleted to low densities ... , with D. mawsoni found across the entire survey area while D. eleginoides was mainly found on the ...

   Meeting Document : WG-FSA-08/57 : Auteur(s): D. Welsford, T. Robertson and G. Nowara (Australia)

4. Factors influencing Antarctic krill distribution in the South Shetlands

   factors were considered to be responsible for this characteristic distribution of krill. Diatoms were the ... . Hence, higher diatom biomass may be one of factors forming krill concentrations in the inshore and ... . The frontal zone was considered to be favorable spawning ground for krill: not only because of the ... chance of larvae's being transported to their nursery ground. Based on above mentioned factors, we ...

   Meeting Document : WG-KRILL-93/38 : Auteur(s): T. Ichii, H. Ishii and M. Naganobu (Japan)

5. Ecosystem modelling for the Antarctic krill fishery

   but there is concern that the reduction in krill biomass due tome fishery may have impacts on other ... . This can be achieved by studying community interactions, such as those between predators and preys, as ... University of Concepcion, Chile with the Fisheries Centre at University of British Columbia, Canada. In a ... pilot study Ecopath with Ecosim 4.0 is being used to develop two mass-balance models of the Antarctic ...

   Meeting Document : WG-EMM-01/65 : Auteur(s): T. Antezana, J. Cornejo, E. Bredesen, P. Faundez (Chile), A.W. Trites and T. Pitcher (Canada)

6. Diet composition of Champsocephalus gunnari in Subarea 48.3, Dr Eduardo Holmberg survey, February/ March 1994

   summer season; a fact that might be related with a significant change in surface temperature observed ... the coefficient Q (%) showed a greater importance of T. gaudichaudii with respect to krill. It is ... Georgia, in parallel with the virtual absence of mysids and Thysanoessa spp.. Krill was available for fish ... possible that the inconsistencies found between the results obtained by both methods are due to a ...

   Meeting Document : WG-FSA-94/27 : Auteur(s): E. Barrera-Oro, R. Casaux and A. Roux (Argentina)

7. Phytoplankton standing stocks in relation to krill in Antarctic waters

   lies between latitude 56° to 61° 17's and longitude 30° to 40°E is characterized by cold surface ... waters with temperature ranging from 0 to 3° C and high nutrient content. Phytoplankton cell counts in ... , with values ranging from 9.8 to 303.7m1/100m3. While the total catch per (IKMT) trawl ranged from 0.2 ... planktonic communities. The results indicate that areas favouring phytoplankton blooms and zooplankton ...

   Meeting Document : WG-EMM-98/34 : Auteur(s): X.N. Verlecar, R. Vijayakumar, F. Saldhana and L. Martins (India)

8. Revised reports on abundance and biological information of toothfish in Division 58.4.4 a & b by Shinsei maru No. 3 in 2012/13 season

   . It seems that larger fish > 140 cm are more damaged than smaller ones, which is consistent with ... relatively higher in 2011 but showed no clear tendencies with the years in SSRU C. Fish in single-hooked and ... the results in 2011/12 season. The possible maximum tagging rate was calculated to be 30.1 fish per ... recaptured in the same SSRU. No set was affected by killer whales in both SSRUs. Author(s):  K. Taki, T ...

   Meeting Document : WG-FSA-13/34 : Auteur(s): K. Taki, T. Ichii, T. Iwami and M. Kiyota (Japan)

9. Aspects of the ecology of the bigeye grenadier at South Georgia

   estimates suggest that M. holotrachys is a long lived and moderately slow growing species, reaching ages of ... index were found to be low (M= 0.09 And? = 2.82 respectively). Gonad maturity stage was described from ... macroscopic and histological investigation. Mature ovaries had oocytes at all developmental stages with ... between 22 and 55% likely to be spawned each year. Absolute fecundity ranged from 22,000 to 260,000 eggs ...

   Meeting Document : WG-FSA-03/16 : Auteur(s): S.A. Morley, T. Mulvey, J. Dickson and M. Belchier (United Kingdom)

10. Results of the Dissostichus spp. new fisheries projects in the Antarctic region (CCAMLR Statistical Subareas 48.1, 48.2 and 88.3)

    were used for the operations, with variable quantities of fishhooks (1 440-4 320), No. 9 Mustard Kirby ... ) were used as bait. The results of this research indicated that the Antarctic toothfish (D. mawsoni) was ... registered on the surroundings of Pedro I Island (Latitude 68°49'S), and from the Bellingshausen Sea ... (Latitude 70038'S) to the Clarence and Elephant Islands (Latitude 61°14'S). While the Patagonian ...

    Meeting Document : SC-CAMLR-XVII/BG/07 Rev. 1 : Auteur(s): Delegation of Chile

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