Résultats de la recherche

1. Preliminary tag-recapture based population assessment of Antarctic toothfish in Subarea 48.4

   estimated from tagging returns to be 1068.7 tonnes. In previous years the harvest rate used for Patagonian ... . Wright, N. Walker, M. Söffker and T. Earl Title:  Preliminary tag-recapture based population assessment ...

   Meeting Document : WG-FSA-16/39 : Auteur(s): S. Wright, N. Walker, M. Söffker and T. Earl

2. Preliminary assessment models of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2005/06 season

   modifying the estimates from the models, suggesting that the new data had a similar pattern to that of ... numbers scanned, but smaller increase in the reported numbers recaptured. It is likely that this ... than the 2006 reference case, with the use of the lower M (0.13 y-1 rather than 0.15 y-1) resulting in ... slightly lower productivity, the yield estimate from the revised parameters model are likely to be slightly ...

   Meeting Document : WG-FSA-SAM-06/11 : Auteur(s): Dunn, A. & Hanchet, S.M.

3. A spatial multi-species operating model (SMOM) of krill–predator interactions in small-scale management units in the Scotia Sea

   model currently includes only two predator groups (penguins and seals) but is configured so that there ... is essentially no upper limit on the number of predator species which can be included. Given the ... combinations that essentially try to bound the uncertainty in the choice of survival estimates as well as the ... of stochastic replicates to explore different hypotheses such as that related to the transport of ...

   Meeting Document : WG-EMM-06/12 : Auteur(s): É. Plagányi and D. Butterworth (South Africa)

4. LENGTH AND AGE AT SPAWNING OF ANTARCTIC TOOTHFISH DISSOSTICHUS MAWSONI IN THE ROSS SEA

   that primary endogenous growth can occur for an extended period with oocytes accumulating at the ... fishing seasons. The female spawning ogive incorporates the proportion of sexually mature fish that do not ... slope region is estimated to be 16.6 yr (range 16.0–17.3) or 133.2 cm (range 130.9–135.7) by length ... slope with the age distribution in the northern area and the lack of evidence for skip spawning in the ...

   Meeting Document : WG-FSA-09/37 : Auteur(s): S.J. Parker and P.J. Grimes (New Zealand)

5. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2014–15

   changes in CPUE that were not consistent with biologically driven changes in abundance and are considered ... Abstract:  This report summarises the timing, depth, and location of fishing effort together with ... not to be indexing abundance. Length frequency distributions of Antarctic toothfish in the Ross Sea ... similar to that in the early period of the fishery – the reason for this is unclear. There has been a ...

   Meeting Document : WG-FSA-15/36 : Auteur(s): K. Large, S.M. Hanchet and S. Mormede (New Zealand)

6. Long-term forecast of the conditions of krill (Euphausia superba Dana) fisheries in the Antarctic part of the Atlantic Ocean

   . Mechanism of links can be explained as follows. It was stated that anomaly of the solar activity index is ... inversely linked with recurrence of zonal atmospheric transfers. The latter is directly associated with the ... index of krill abundance in the first of the abovementioned areas and inversely linked with one in the ...

   Meeting Document : WG-EMM-07/15 : Auteur(s): V.A. Bibik and V.A. Bryantsev (Ukraine)

7. Performance of an acoustic sonde design

   macrozooplankton and micronekton. It was concluded that in order to survey animals in the size range 0.5-5 cm, it ... would be expedient to use at least three and perhaps as many as 8-10 frequencies in the range 38-420 kHz ... frequencies are chosen. Each frequency represents the resonant condition of a circular piston transducer with ... single targets, assuming transmission near the cavitation limit but consistent with dynamic strength and ...

   Meeting Document : WG-EMM-95/09 : Auteur(s): Foote, K.G.

8. Review of CCAMLR’s partnership in FIRMS

   are planned. In 2009, the Commission requested that a review of future collaboration with FIRMS be ... cooperative working relationships with FAO and other agencies, and further cooperation with Parties which ...

   Meeting Document : CCAMLR-XXIX/18 : Auteur(s): Secretariat

9. Breeding biology of Adélie penguin (Pygoscelis adeliae) at Edmonson Point CEMP site (Ross Sea, Antarctica): report of the first five years

   predators, in this instance the Adélie penguin. It is believed that any such impact will be difficult to ... program is the possibility that the harvest of krill may impact on the reproductive success of its major ... will be subtle. Large sample sizes and long monitoring research will be required to detect change. The ... between the sea and their breeding colony and support these data with direct observations. The penguins at ...

   Meeting Document : WG-EMM-99/60 : Auteur(s): S. Olmastroni, S. Corsolini, F. Pezzo, S. Focardi (Italy) and K. Kerry (Australia)

10. Results of krill fishery in Subarea 48.2 in the 2009 season based on data of the Russian vessel Maxim Starostin

    used the continuous fishing method. 21 trawlings with the total duration of 1113,5 hours were carried ... hour trawling, krill length composition and biologicall conditions along with description of ... out during 71 fishing days. Mean catch per hour trawling is 5,6 t/h. Data on daily catch, catch per ...

    Meeting Document : WG-EMM-10/08 : Auteur(s): S.Yu. Gulyugin, V.E. Polonskiy and S.M. Kasatkina (Russia)

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