Résultats de la recherche

1. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2006/07 season

   (equilibrium) spawning stock abundance (B0) for the 2007 reference model were estimated as 71 200 t (95% C.I.s ... 59 570–87 900 t), and current (B2007) biomass was estimated as 81.9% (78.4–85.4%). Estimated yields ... for the reference case, using the CCAMLR decision rules, were 2700 t. Similar estimates of initial ... (median B0=78 480 t, yield=2988 t), and where the 2007 recaptures from all vessels were added to the New ...

   Meeting Document : WG-FSA-07/37 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)

2. Krill fishery report: 2012 update

   reported to May 2012 was 78468 t, mostly taken from Subarea 48.1 in December, April and May. Seven vessels ... were fishing, at the time of preparing this report, and 935 t of krill has been reported so far for ... June. The forecast total catch of krill for this season ranges approximately from 108000 to 151000 t ... . In 2010/11, 13 vessels fished for krill in Area 48 and the total catch of krill was 180986 t; two ...

   Meeting Document : WG-EMM-12/05 : Auteur(s): Secretariat

3. An assessment of toothfish in Subarea 48.3 using CASAL

   45,893 t, and the spawning stock biomass was estimated to be 120,360 t, around 67% of its unexploited ... 49,943 t, and the spawning stock biomass was estimated to be 100657 t, some 64% of its unexploited level ... , which were 53,600 t and 55,600 t respectively (Agnew and Payne 2005: WG-FSA-05/17) but the confidence ... , the estimated long term yield is 4910 t for the baseline two-fleet assessment, while for the one-fleet ...

   Meeting Document : WG-FSA-05/16 : Auteur(s): R.M. Hillary, G.P. Kirkwood and D.J. Agnew (United Kingdom)

4. A von Bertalanffy growth model for Division 58.5.2 fitted to length-at-age data and a comparison of predicted with observed growth from mark–recapture data

   Fabens form of the VB growth model. Formulae for adjusting predictions for bias imparted by the use of ... -age for young fish.  Author(s):  S.G. Candy, A.J. Constable, T. Lamb and R. Williams (Australia) Title ...

   Meeting Document : WG-FSA-SAM-06/07 : Auteur(s): S.G. Candy, A.J. Constable, T. Lamb and R. Williams (Australia)

5. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in SSRU 882E including data from the 2005/06 season

   and recapture data and the all vessel tag-release and recapture data (B0= 10 300 t and 9 530 t ... median estimated as 10 300 t (95% credible intervals 5 340–25 210 t), and current (B2006) biomass ... estimated to be 352 t for the reference case and 366 t for the all vessels case, assuming a future fishing ...

   Meeting Document : WG-FSA-06/48 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)

6. An assessment of the impact of krill fishery on penguins in the South Shetlands

   equivalent amount (3,000-10,000 t/10-day) for the following three months, with its increased fishing ... penguins is estimated to be large in the shelf and slope near King George Island (11,680 t/10-day), whereas ... small near Livingston (2,570 t/10-day) and Elephant (220 t/10-day) Islands. This little overlap between ... . Author(s):  T. Ichii, M. Naganobu and T. Ogishima (Japan) Title:  An assessment of the impact of krill ...

   Meeting Document : WG-KRILL-93/07 : Auteur(s): T. Ichii, M. Naganobu and T. Ogishima (Japan)

7. OPERATIONAL DIFFICULTIES IN IMPLEMENTING THE CCAMLR TAGGING PROTOCOL IN DIVISION 58.4.1 IN 2007/08

   closed on 30 January 2008). • The vessel caught a total of 9.757 t of Dissostichus mawsoni in Division ...

   Meeting Document : WG-FSA-08/16 : Auteur(s): A.T. Lozano and O. Pin (Uruguay)

8. Krill (Euphausia superba) distribution in relation to water movement and phytoplankton distribution off the northern South Shetland Islands

   north of the islands, as usual. Tracks of drifting buoys (with curtain drogues at 30 m depth where krill ... late January 1991, i.e. 1.78 million t (56 g/m2), should be regarded as the lower level for the shelf ...

   Meeting Document : WG-KRILL-91/22 : Auteur(s): Delegation of Japan

9. Revised assessment models for Patagonian toothfish in research block 58.4.3a_1 of Division 58.4.3a, Elan Bank for the years 2005–2014

   was calculated at 30 tonnes. The fishing bias to the shallow areas should be avoided because the ... projection period in the model. Author(s):  K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan ...

   Meeting Document : WG-FSA-15/22 : Auteur(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)

10. Preliminary results of stock estimation for D. mawsoni using CASAL in the research block 48.6_2

    . The MCMC estimates of B0 (18143.15t) and current biomass (17431.60 t) are much higher than the latest ... biomass estimates by CPUE-by-seabed method (3029 t) and Chapman method (4223 t). CCAMLR decision rule risk ... under the current catch level (170 t) become nearly zero (Table 3). Although the preliminal CASAL model ... 48.6. Author(s):  T. Okuda Title:  Preliminary results of stock estimation for D. mawsoni using CASAL ...

    Meeting Document : WG-FSA-18/72 : Auteur(s): T. Okuda

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