Search results
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DEVELOPMENT OF RECOVERY PLANS FOR DEPLETED TOOTHFISH STOCKS IN THE INDIAN OCEAN SECTOR OF THE SOUTHERN OCEAN
(i) the probability of being depleted below 0.2B0 and (ii) the time to recovery to 0.5 B0. These scenarios indicate ... (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 ... with the estimated time series of historical catches are used to provide estimates of B0 for this Division ...
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: Dissostichus eleginoides South Georgia (Subarea 48.3)
as well as the new (2009) assessment. Model B0 (thousand tonnes) Bcurrent (thousand tonnes ... (blue), old fleet (black) and new fleet (broken green). Figure 5: Fits to the survey (left), non ... -cetacean corrected new fleet (middle) and cetacean-corrected new fleet CPUE series of the reference ... for the stock assessment model used for this stock, the Working Group noted that the new model presented in WG ...
Document : Site Section: Publications
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A single-area stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in SSRU 88.2E for the 2004/05 season
, D.J. Gilbert and S.M. Hanchet (New Zealand) Title: A single-area stock assessment model of Antarctic ... A. Dunn, D.J. Gilbert and S.M. Hanchet (New Zealand) ... parameters. MCMC estimates of initial (equilibrium) spawning stock abundance (B0) were very uncertain ... as 91.8% B0 (95% C.I.s 83.1–97.1%). Estimated yields, using the CCAMLR decision rules, were estimated ...
Meeting Document : WG-FSA-05/31 : Author(s): A. Dunn, D.J. Gilbert and S.M. Hanchet (New Zealand)
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region to 2018/19
estimates using the updated data for 1998–2017, new data from 2018 and 2019, revised growth and length ... included. Models estimates using the updated data for 1998–2017, new data from 2018 and 2019 ... : No Delegation responsibility for releasing documents: New Zealand ... data for 1998–2019 and age and abundance data from the Ross Sea Shelf survey for 2012–2019. Tag ...
Meeting Document : WG-FSA-2019/08 : Author(s): A. Dunn
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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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Fishery Report 2014: Closed fishery for Dissostichus spp. in Divisions 58.4.4a and 58.4.4b
began as a new fishery in 1998 (Conservation Measure (CM) 138/XVI). Following the Commission’s ... . in the Convention Area had rendered it unrealistic to consider this fishery as ‘new’ (CCAMLR-XVIII, paragraph 10.14 ... to submit, within their general new (CM 21-01) and exploratory (CM 21-02) fisheries notifications ... Shinsei Maru No. 3 3.6 (51–59) - 6.1 (100) 5.3 (95) 6.1 (82) 7.5 (81) 5.9 (85) Required tagging ...
Document : Site Section: Publications
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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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Fishery Report 2013: Closed fishery for Dissostichus spp. in Divisions 58.4.4a and 58.4.4b
began as a new fishery in 1998 Conservation Measure (CM) 138/XVI. Following the Commission’s ... . in the Convention Area had rendered it unrealistic to consider this fishery as ‘new’ (CCAMLR-XVIII, paragraph 10.14 ... VME taxa 26. All Members are required to submit, within their general new (CM 21-01 ... 0 0 0 0 0 104 2007 closed 0 0 0 0 0 109 2008 closed (80) 0 18 <1 58 77 0 2009 closed 0 0 0 0 0 0 2010 closed ...
Document : Site Section: Publications
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e-sc-v-a4.pdf
... in interpretation increase with the size (and presumed age) of fish. NEW RESEARCH 5. One working paper ... presented to the Group (Doc. 2) reported new fish stock assessments. The results of this study, covering ... . This was confirmed by new studies. The VPA analysis was repeated using the most recent age and length data ... . This gives the following values. Year 1980/81 1981/82 1982/83 1983/84 1984/85 1985/86 Catch (tonnes) 1299 ... differences in interpretation increase with the size (and presumed age) of fish. NEW RESEARCH 5. One ... working paper presented to the Group (Doc. 2) reported new fish stock assessments. The results of this ... that recruitment in recent years was also much less than earlier. This was confirmed by new studies ... : Season 1979/80 1980/81 1981/82 1982/83 1983/84 1984/85 1985/86 Total catch (tonnes) 11,308 6,287 4,031 application/pdf attached to:WG-FSA-86
Meeting Report : WG-FSA-86
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ASSESSMENT OF PATAGONIAN TOOTHFISH POPULATION IN THE NORTH OF SUBAREA 48.4 USING DATA FROM A FOUR-YEAR TAGGING EXPERIMENT
Petersen and local CPUE estimates, with a B0 of 1143 t and B2009/B0 of 85%. 9. The sustainable yield ... , with a B0 of 1143 t and B2009/B0 of 85%. 9. The sustainable yield calculated according to CCAMLR decision ...
Meeting Document : WG-FSA-09/17 : Author(s): J. Roberts and D.J. Agnew (United Kingdom)