Search results
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Fishery Report 2015: Closed fishery for Dissostichus spp. in Divisions 58.4.4a and 58.4.4b
fishery for Dissostichus spp. in Division 58.4.4 began as a new fishery in 1998 (Conservation Measure (CM ... to consider this fishery as ‘new’ (CCAMLR-XVIII, paragraph 10.14), the fishery was reclassified ... are required to submit, within their general new (CM 21-01) and exploratory (CM 21-02) fisheries notifications ... (82) 7.5 (81) 5.9 (85) 6.4 (76) France Saint Andre 7.2 (82) Required tagging rate ...
Document : Site Section: Publications
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Fishery Report: Dissostichus eleginoides South Georgia (Subarea 48.3)
model has several new features: • catch-at-age data from 1998–2007 are used in the model; • revised ... . However, the issues raised at the meeting about estimating new tag growth-shock parameters, how ... patterns seen in the TOP 48.3 9 fits to the tag–recapture data all suggest that this new model ... , before any decision is made on whether this new model should be adopted for use at WG-FSA for stock ...
Document : Site Section: Publications
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Population assessment of Patagonian toothfish in the north of Subarea 48.4 – 2010 update
are very similar to that from the previous season with a B0 of 1,123 t (compared to 1,127 t in the 2009 ... assessment) and B2010/B0 of 92.8%. Sustainable yield calculated according to the CCAMLR decision rules is 41 ... these from the CASAL assessment reduced B0 to 963 tonnes though had a minimal effect on B2010/B0 (89.7 ...
Meeting Document : WG-FSA-10/39 : Author(s): J. Roberts and D. Agnew (UK)
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Assessment models for Patagonian toothfish in research block 5843a_1 of Division 58.4.3a, Elan Bank
of selectivity for legal fishery were estimated; uniform prior was used for initial biomass (B0) estimate ... . The MPD estimate of B0 was 464 and 772 tonnes in R.0.1 and R.1 models, respectively. The current ... and 810 tonnes) were slightly higher than those by MPD for each model. MCMC posterior traces for B0 seem ... using six options changing conditions, i.e. estimate/fix for given parameters, uniform-log prior for B0 ...
Meeting Document : WG-FSA-14/22 : Author(s): K. Taki (Japan)
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Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000
Peninsula area), 1980/81–1999/2000 Abstract / Description: Inter- and intra-annual variability ... of commercial krill trawling positions for the 1980/81 to 1999/2000 seasons in the area north of the South ... ), 1980/81–1999/2000 ... Inter- and intra-annual variability of commercial krill trawling positions for the 1980/81 to 1999 ... 1981 /82 25.3 324.9 1982/83 No data 276.7 1983/84 167.6 241.7 1984/85 42.1 85.9 1985/86 79.5 ... November, in 1984/85, 1987/88, and 1992/93-1994/95 they started from January, and in the 1982/83 season ... of commercial krill trawling positions for the 1980/81 to 1999/2000 seasons in the area north of the South ... I'emplacement des chalutages commerciaux de krill des saisons 1980/81 B 1999/2000 au nord des iles Shetland du ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 25–36 : Author(s): Kawaguchi, S. and K. Segawa
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Preliminary biomass estimation of Antarctic krill based on the swarm-based method for CCAMLR Division 58.4.1 in 2018/19 using data obtained by Japanese survey vessel Kaiyo-maru
by the dB difference method is necessary before producing finial B0 in Division 58.4.1 in 2018/19. Author ... Biomass (B0) of Antarctic krill for CCAMLR Division 58.4.1 in 2018/19 was preliminarily estimated ... in the Echoview template used in this analysis. Comparison with B0 estimated by the dB difference method ... is necessary before producing finial B0 in Division 58.4.1 in 2018/19. ...
Meeting Document : SG-ASAM-2019/02 : Author(s): K. Abe, R. Matsukura, N. Yamamoto, K. Amakasu and H. Murase
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Revised CASAL model for D. eleginoides with updated biological parameters at Division 58.4.4b
impact on estimated B0 at the block 1 of Division 58.4.4b. On the other hands, the degree of IUU ... estimation potentially has large impact on the CASAL B0 estimation. The results of MCMC indicates future ... not have large impact on estimated B0 at the block 1 of Division 58.4.4b. On the other hands, the degree ... of IUU estimation potentially has large impact on the CASAL B0 estimation. The results of MCMC indicates ...
Meeting Document : WG-SAM-2019/30 : Author(s): T. Okuda and F. Massiot-Granier
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DEVELOPMENT OF RECOVERY PLANS FOR DEPLETED TOOTHFISH STOCKS IN THE INDIAN OCEAN SECTOR OF THE SOUTHERN OCEAN
with the estimated time series of historical catches are used to provide estimates of B0 for this Division ... (i) the probability of being depleted below 0.2B0 and (ii) the time to recovery to 0.5 B0. These scenarios indicate ... with the estimated time series of historical catches are used to provide estimates of B0 for this Division ... (i) the probability of being depleted below 0.2B0 and (ii) the time to recovery to 0.5 B0. These scenarios indicate ...
Meeting Document : WG-FSA-09/44 : Author(s): D.C. Welsford, A.J. Constable and J.P. McKinlay (Australia)
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Fishery Report 2017: Dissostichus eleginoides Heard Island Australian EEZ (Division 58.5.2)
assessment, the 2017 assessment took into account (i) new fishery observations up to the end of 2016 ... including new ageing data from the RSTS and commercial fishery from 2015/16, (ii) updated growth ... estimation for a model based on the Baranov equations versus a new mortality equation. CCAMLR Science, 18 ... were in agreement and indicated that a B0 of around 80 000 tonnes was most likely, tag-releases from ...
Document : Site Section: Publications
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Fishery Report 2018: Dissostichus eleginoides Heard Island Australian EEZ (Division 58.5.2)
into account (i) new fishery observations up to the end of 2016 including new ageing data from the RSTS ... estimation for a model based on the Baranov equations versus a new mortality equation. CCAMLR Science, 18 ... (D. mawsoni) and D. eleginoides for the ‘assessed’ fisheries in Subareas 48.3, 88.1 and 88.2 and Division ... 50–60 cm, while those caught by longline measured between 50 and 125 cm with a mode around 70–80 cm ...
Document : Site Section: Publications