Search results
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An assessment of toothfish in Subarea 48.3 using CASAL
). For the baseline assessment incorporating two fleets, the 2005 vulnerable biomass was estimated to be ... 45,893 t, and the spawning stock biomass was estimated to be 120,360 t, around 67% of its unexploited ... level. For the alternative single fleet assessment, the 2005 vulnerable biomass was estimated to be ... 49,943 t, and the spawning stock biomass was estimated to be 100657 t, some 64% of its unexploited level ...
Meeting Document : WG-FSA-05/16 : Author(s): R.M. Hillary, G.P. Kirkwood and D.J. Agnew (United Kingdom)
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Evaluation of de la Mare’s composite standardised index for generating a simple time-series summary of many long-term datasets on Antarctic predators: consequences of missing values and criteria for inclusion of predator parameters
in that year. In this respect, the robustness of the index is dependent on that subset of parameters being ... of being able to make correct decisions based on the index despite the uncertainties or variability ... in that year. In this respect, the robustness of the index is dependent on that subset of parameters being ... of being able to make correct decisions based on the index despite the uncertainties or variability ...
Meeting Document : WG-EMM-98/45 : Author(s): A. Constable (Australia)
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Using production models to assess the stock of Paralomis spinosissima around South Georgia Island
removals should not be greater than the number of crabs that recruit to the fishery during the course of a ... (TAC) for the 1993/94 crab fishery. An optimal TAC was determined to be about 300 t. However, this TAC ... movement may be important to the recruitment process, a TAC for all of South Georgia cannot be estimated by ...
Meeting Document : WG-FSA-93/23 : Author(s): George Watters (USA)
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A simulation study of krill fishing by an individual Japanese trawler (SC-CAMLR-VI/BG/37)
concentrations perform better, but collection of the requisite data may not be practical. Other approaches (e.g ... . research vessel surveys) need to be considered to monitor changes in the number, distribution and size of ... imprecise. Priority needs to be given to improving the krill distribution model underlying the analysis ... ; this probably requires that scientific surveys be planned to operate in small areas concurrently with ...
Meeting Document : WS-KCPUE-89/04 : Author(s): D.S. Butterworth (South Africa)
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A simulation study of krill fishing by an individual JAPANESE trawler
concentrations perform better, but collection of the requisite data may not be practical. Other approaches (e.g ... . research vessel surveys) need to be considered to monitor changes in the number, distribution and size of ... imprecise. Priority needs to be given to improving the krill distribution model underlying the analysis ... ; this probably requires that scientific surveys be planned to operate in small areas concurrently with ...
Meeting Document : SC-CAMLR-VII/BG/37 : Author(s): D.S. Butterworth (Invited Expert)
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Revised research plan for toothfish in Divisions 58.4.4 a and 58.4.4b by Shinsei maru No. 3 in 2012/13
4, paragraphs 5.19-21). CVs of 20 % achievable from the biomass estimates may be achieved within ... the next 2012/13 survey seems to be appropriate for the newly targeted area. To apply mark-and ... recapture studies, tagging rate of ≥ 5 fish / ton will be conducted. Only Trot line system will be used for ...
Meeting Document : WG-FSA-12/58 Rev. 1 : Author(s): Delegation of Japan
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Results of the third CCAMLR sponsored research survey to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea, February 2014 and development of the time series
abundance from a well-designed survey could be a useful input into the Ross Sea stock assessment model. The ... area to identify areas of high subadult abundance which could be included as strata in future annual ... their unique nature. We recommend the survey be continued to provide information on year class strength ... and an index of local abundance to be incorporated in the stock assessment. Author(s): S. Mormede ...
Meeting Document : WG-FSA-14/51 : Author(s): S. Mormede, S.J. Parker, S.M. Hanchet, A. Dunn (New Zealand) and S. Gregory (United Kingdom)
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A simulation study of krill fishing by an individual Japanese trawler
collection of the requisite data may not be practical. Other approaches (e.g. research vessel surveys) need ... to be considered to monitor changes in the number, distribution and size of krill concentrations ... be given to improving the krill distribution model underlying the analysis; this probably requires ... that scientific surveys be planned to operate in small areas concurrently with fishing vessels. File ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 1–108 : Author(s): Butterworth, D.S.
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Reproductive ecology of Antarctic toothfish, Dissostichus mawsoni (Norman, 1937) (Actinopterygii: Nototheniidae), in the Antarctic waters (SSRUs 58 and 88)
March, 2016. Female ratios were found to be 0.49 in both areas, showing higher female occurrence with ... was found to be 0.53, and displayed the tendency of increase with increase in the total length 140 cm ... are as follows. The average gonadosomatic index of the fish was found to be 2.16, with 2.57 for female ... was found to be 3.88, with 4.18 for female and 3.53 for male. Frequency of ovarian development stages ...
Meeting Document : WG-FSA-18/65 : Author(s): J.-W. Kim, S.-G. Choi, S. Chung and D.H. An
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Data collection and sharing
regularly notify CCAMLR of potentially relevant research and monitoring being conducted in the Convention ... and monitoring being conducted in the Convention Area. This includes fishery catch and effort, observer programs ...
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