Résultats de la recherche
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Simulating performance of trend analysis for setting catch limits in exploratory toothfish research plans
Abstract: Catch limits for toothfish in research blocks were set for the 2017/18 season using a ... developed and tested as a matter of priority for WG-SAM-18. We formalised and codified the rules and ... developed a simulation approach to examine the performance of the trend analysis rules for scenarios with ... high or low abundance, high or low uncertainty in biomass estimates, and for populations with ...
Meeting Document : WG-SAM-18/23 : Auteur(s): S. Hoyle, S. Parker, A. Dunn and S. Mormede
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The integrated krill assessment model for Subarea 48.1 with future catches meeting alternative decision rules
Abstract: Model results and diagnostics for the integrated assessment model for krill in Subarea ... , and WG-FSA in a number of papers since 2011. The assessment model for krill in Subarea 48.1 is offered ... as a tool for CCAMLR to use in managing the krill fishery in Subarea 48.1. Author(s): D. Kinzey, G.M ... . Watters and C.S. Reiss Title: The integrated krill assessment model for Subarea 48.1 with future catches ...
Meeting Document : WG-SAM-16/36 Rev. 1 : Auteur(s): D. Kinzey, G.M. Watters and C.S. Reiss
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Summary of notifications for krill fisheries in 2010/11
Abstract: Seven Members submitted notifications for a total 15 vessels for krill fisheries in ... submitted for exploratory fisheries for krill in 2010/11. The total notified, expected level of catch of ... krill in 2010/11 is 410000 tonnes. Author(s): Secretariat Title: Summary of notifications for krill ...
Meeting Document : WG-EMM-10/06 : Auteur(s): Secretariat
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Using compact video camera technology for rapid deep-sea benthic habitat assessment
Antarctic Division (AAD) for deployment on commercial fishing gear to observe interactions with the Southern ... camera for broad-scale and rapid deep-sea benthic habitat assessment, during a recent AAD marine science ... voyage on the shelf-break of East Antarctica, greatly improved the efficiency of selection of sites for ... quantitative sampling. The system is also promoted for estimates of krill biomass, swarm dynamics and ...
Meeting Document : WG-EMM-10/24 : Auteur(s): G.P. Ewing, R. Kilpatrick, A.J. Constable and D.C. Welsford (Australia)
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Diagnostic plots of stock assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region to 2016/17
Abstract: We provide extensive diagnostic plots for the 2017 models R1 and R3 for Antarctic ... well as their main diagnostics are described in Mormede (2017). The CASAL files for the assessment ... models were provided to the CCAMLR Secretariat as a zip file. In this paper we present the results for ... function components. Author(s): S. Mormede Title: Diagnostic plots of stock assessment models for ...
Meeting Document : WG-FSA-17/38 : Auteur(s): S. Mormede
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Selectivity parameters for Notothenia gibberifrons Lönnberg, 1905 and Champsocephalus gunnari Lönnberg, 1905 obtained during ‘8611 ANTARCTICA’ expedition
Abstract: Mesh selectivity experiments for several finfish species were conducted during the ... results obtained for Notothenia gibberifrons and Champsocephalus gunnari. Selection factors calculated ... following different methods with a codend mesh of 68 mm were 2.87 for Notothenia gibberifrons and 3.10 for ... Champsocephalus gunnari. Author(s): Delegation of Spain Title: Selectivity parameters for Notothenia ...
Meeting Document : SC-CAMLR-VII/BG/43 : Auteur(s): Delegation of Spain
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Data requirements for research fishing
Abstract: There are currently two sets of requirements for reporting data from vessels conducting ... fishing for research purposes (i.e. research fishing): (1) research fishing conducted under Conservation ... reporting requirements for research fishing. A harmonised approach is proposed to WG-SAM for consideration ... observer continuing to use cruise reports and logbooks, and any supplementary data requirements for ...
Meeting Document : WG-SAM-12/07 : Auteur(s): Secretariat
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Research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Subarea 48.6
by all effective vessels were analyzed for the improvement of stock assessment in the research blocks ... . The stock sizes for five research blocks (48.6_1, 48.6_2, 48.6_3, 48.6_4 and 48.6_5) were estimated by ... using the CPUE method (using Division 88.2H as a reference area) for Dissostichus mawsoni in block ... relatively consistent with the observed numbers for D. mawsoni in the block 48.6_2 for 2012/13 and 2013/14 ...
Meeting Document : WG-SAM-15/06 : Auteur(s): Delegation of Japan
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A revised Krill Trawl logbook for the 2019 season
data collection requirements for krill observers were discussed, with recommendations tabled in the WS ... -SISO Convener’s Report (SC-CAMLR-XXXVI/08) for amendments to the krill e-logbook used by SISO observers ... . This paper summarizes the changes to the e-logbook for proposed introduction in the 2019 season. Author ... (s): CCAMLR Secretariat Title: A revised Krill Trawl logbook for the 2019 season Microsoft Word ...
Meeting Document : WG-EMM-18/39 : Auteur(s): CCAMLR Secretariat
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The random stratified trawl survey to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari in the waters surrounding Heard Island (Division 58.5.2) for 2017
for the survey. The unstratified density of Champsocephalus gunnari (mackerel icefish) was only ... slightly larger than that of 2016 and 2.5 times the average. For the managed by-catch species, unstratified ... densities were lower than the average for Channichthys rhinoceratus (unicorn icefish), Lepidonotothen ... measurements were taken for nearly 13,500 fish and for more than half of those biological measurements were ...
Meeting Document : WG-FSA-17/14 Rev. 1 : Auteur(s): G.B. Nowara, T.D. Lamb and P. Ziegler